diff --git a/debian/icinga2-common.install b/debian/icinga2-common.install
index 72d547a76..d6b0451a5 100644
--- a/debian/icinga2-common.install
+++ b/debian/icinga2-common.install
@@ -2,7 +2,6 @@ debian/tmp/etc/icinga2
 debian/config/apt.conf        etc/icinga2/conf.d/hosts/localhost
 usr/bin/icinga2-build*
 usr/bin/icinga2-sign-key
-usr/bin/icinga2-migrate-config
 usr/sbin/icinga2-*-feature
 usr/sbin/icinga2-setup-agent
 usr/sbin/icinga2-discover-agent
diff --git a/doc/7-migration.md b/doc/7-migration.md
index 664768853..8af479ef1 100644
--- a/doc/7-migration.md
+++ b/doc/7-migration.md
@@ -8,14 +8,13 @@ Icinga 2 ships its own config migration script.
 
 ### <a id="configuration-migration-script"></a> Configuration Migration Script
 
-TODO
+In order to migrate existing configuration in Icinga 1.x format
+the Icinga CLI as part of the Icinga Web 2 project will provide
+a conversion module.
 
 Due to the complexity of the Icinga 1.x configuration format the migration
 script might not currently work for all use cases.
 
-The config migration script provides support for basic Icinga 1.x
-configuration format migration to native Icinga 2 configuration syntax.
-
 The migration script tries to preserve your existing template structure and
 adds new templates where appropriate. However, the original file structure is
 not preserved.
@@ -23,9 +22,6 @@ not preserved.
 The migration script uses templates from the Icinga Template Library where
 possible.
 
-    # mkdir /etc/icinga2/conf.d/migrate
-    # /usr/bin/icinga2-migrate-config -c /etc/icinga/icinga.cfg -o /etc/icinga2/conf.d/migrate
-
 ### <a id="manual-config-migration"></a> Manual Config Migration
 
 For a long-term migration of your configuration you should consider re-creating
diff --git a/tools/CMakeLists.txt b/tools/CMakeLists.txt
index 837226d2d..201400d0d 100644
--- a/tools/CMakeLists.txt
+++ b/tools/CMakeLists.txt
@@ -32,12 +32,6 @@ if(UNIX OR CYGWIN)
   )
 
   install(CODE "execute_process(COMMAND \"${CMAKE_COMMAND}\" -E create_symlink ./icinga2-enable-feature \"\$ENV{DESTDIR}${CMAKE_INSTALL_FULL_SBINDIR}/icinga2-disable-feature\")")
-
-  install(
-    FILES ${CMAKE_CURRENT_SOURCE_DIR}/migration/icinga2-migrate-config
-    DESTINATION ${CMAKE_INSTALL_BINDIR}
-    PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
-  )
 endif()
 
 if(MSVC)
@@ -51,4 +45,4 @@ if(MSVC)
     FILES ${CMAKE_CURRENT_SOURCE_DIR}/icinga2-setup-agent/bin/\${CMAKE_INSTALL_CONFIG_NAME}/Icinga2SetupAgent.exe
     DESTINATION ${CMAKE_INSTALL_SBINDIR}
   )
-endif()
\ No newline at end of file
+endif()
diff --git a/tools/migration/README b/tools/migration/README
index 791cefd03..2e7418461 100644
--- a/tools/migration/README
+++ b/tools/migration/README
@@ -1,99 +1,12 @@
-ICINGA 2 CONVERSION SCRIPT FOR ICINGA 1.x CONFIGURATION
-=======================================================
+Icinga 2 Migration Script
+=========================
 
-This config conversion script provides support for basic Icinga 1.x
-configuration format conversion to native Icinga 2.x configuration syntax.
+In order to migrate existing configuration in Icinga 1.x format
+the Icinga CLI as part of the Icinga Web 2 project will provide
+a conversion module.
 
-It won't just compile all objects and drop them at once, but keep your
-existing 1.x template structure, only adding a new host->service link relation.
+For work-in-progress details please check
 
-The script will also detect the "attach service to hostgroup and put
-hosts as members" trick from 1.x and convert that into Icinga2's template
-system.
+https://dev.icinga.org/issues/5821
+https://dev.icinga.org/issues/5929
 
-Furthermore the old "service with contacts and notification commands" logic
-will be converted into Icinga2's logic with new notification objects,
-allowing to define notifications directly on the service definition then.
-
-Commands will be split by type (Check, Event, Notification) and relinked where
-possible. The host's check_command is dropped, and a possible host check service
-looked up, if possible. Otherwise a new service object will be added and linked.
-
-Notifications will be built based on the service->contact relations, and
-escalations will also be merged into notifications, having times begin/end as
-additional attributes. Notification options will be converted into the new Icinga2
-logic.
-
-Dependencies and Parents are resolved into host and service dependencies with
-many objects tricks as well.
-
-Timeperiods will be converted as is, because Icinga2's ITL provides the legacy-timeperiod
-template which supports that format for compatibility reasons.
-
-Custom attributes like custom variables, *_urls, etc will be collected into the
-custom dictionary, while possible macros are automagically converted into the macro
-dictionary (freely definable macros in Icinga 2.x).
-
-All required templates will be inherited from Icinga2's Template Library (ITL).
-
-Regular expressions are not supported, also for the reason that this is optional in Icinga 1.x
-
-RUN
-# mkdir /etc/icinga2/migration
-# /usr/bin/icinga2-migrate-config -c /etc/icinga/icinga.cfg -o /etc/icinga2/migration/
-
-HELP
-# /usr/bin/icinga2-migrate-config -h
-
-VERBOSE
-# mkdir /etc/icinga2/migration
-# /usr/bin/icinga2-migrate-config -v -c /etc/icinga/icinga.cfg -o /etc/icinga2/migration/
-
-TEST
-Include /etc/icinga2/migration in /etc/icinga2/icinga2.conf and restart Icinga 2
-
-# vim /etc/icinga2/icinga2.conf
-
-include "migration/*.conf"
-
-# service icinga2 restart
-
-
-REQUIREMENTS
-- Perl:
-	Data::Dumper
-	File::Find
-	Storable qw(dclone)
-	Getopt::Long qw(:config no_ignore_case bundling)
-	Pod::Usage
-
-- Icinga2 ITL
-
-
-DEBUG
-Compile Icinga2 with --enable-debug=yes and start it with -x. Alternatively, define the
-ConsoleLogger Object and set severity to "debug".
-
-object ConsoleLogger "my-debug-log" {
-    severity = "debug"
-}
-
-
-NOTES
-- Excludes (will be ignored in member lists)
-- Wildcards (* means all)
-- additive + to += logic (only for the current object, does not work with users)
-- Dependencies (host deps and parents are merged)
-- Commands will be split into Check|Event|Notification Commands
-- null (disable inheritance) only works non-converted values (not on contacts, commands, etc) being 0
-- notification_options string w,u,f is converted to
-  notification_{state,type}_filter = (StateFilterWarning | StateFilterUnknown | NotificationFilterFlapping)
-- service escalations are converted into notifications with times = begin/end
-  begin = first_notification * notification_interval (now a time, not a counter)
-- custom variables, *_url, *image*, notes, 2d_coords will be collected and stashed into the "custom" dictionary
-  similar to the macros dictionary. note: attributes starting with a number must be quoted.
-
-TODO
-- Dependency attributes: failure_criteria, inherits_parents, timeperiods
-- Flapping Thresholds: old vs new logic
-- some special object tricks, regex
diff --git a/tools/migration/icinga2-migrate-config b/tools/migration/icinga2-migrate-config
deleted file mode 100755
index 54014951c..000000000
--- a/tools/migration/icinga2-migrate-config
+++ /dev/null
@@ -1,4659 +0,0 @@
-#!/usr/bin/env perl
-
-=pod
-/******************************************************************************
- * Icinga 2                                                                   *
- * Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org)    *
- *                                                                            *
- * This program is free software; you can redistribute it and/or              *
- * modify it under the terms of the GNU General Public License                *
- * as published by the Free Software Foundation; either version 2             *
- * of the License, or (at your option) any later version.                     *
- *                                                                            *
- * This program is distributed in the hope that it will be useful,            *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
- * GNU General Public License for more details.                               *
- *                                                                            *
- * You should have received a copy of the GNU General Public License          *
- * along with this program; if not, write to the Free Software Foundation     *
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
- ******************************************************************************/
-=cut
-
-=head1 NAME
-
-icinga2-migrate-config - Migrate Icinga 1.x config to Icinga 2 format
-
-=head1 SYNOPSIS
-
-icinga2-migrate-config -c <path to icinga.cfg from Icinga 1.x>
-                         -o <output directory for Icinga 2 config>
-                         [-O]
-                         [-v]
-                         [-h]
-                         [-V]
-
-Migrate Icinga 1.x configuration to new Icinga 2 configuration format.
-
-=head1 OPTIONS
-
-=over
-
-=item -c|--icingacfgfile <path to icinga.cfg>
-
-Path to the Icinga 1.x main configuration file "icinga.cfg".
-
-=item -o|--outputcfgdir <output directory for icinga2 config>
-
-Directory to the Icinga 2 configuration output.
-
-=item -O|--objectscache
-
-Use objects cache file instead of cfg_dir|file in icinga.cfg.
-
-=item --hosttmpl=<template name>
-
-Custom template name for all host objects.
-
-=item --servicetmpl=<template name>
-
-Custom template name for all service objects.
-
-=item --usertmpl=<template name>
-
-Custom template name for all user objects.
-
-=item --timeperiodtmpl=<template name>
-
-Custom template name for all timeperiod objects.
-
-=item --notificationtmpl=<template name>
-
-Custom template name for all notification objects.
-
-=item --checkcommandtmpl=<template name>
-
-Custom template name for all checkcommand objects.
-
-=item --notificationcommandtmpl=<template name>
-
-Custom template name for all notificationcommand objects.
-
-=item --eventcommandtmpl=<template name>
-
-Custom template name for all eventcommand objects.
-
-=item -v|--verbose
-
-Verbose mode.
-
-=item -h|--help
-
-Print help page.
-
-=item -V|--version
-
-print version.
-
-=cut
-
-#use warnings;
-#use strict;
-
-print "Disabled, requires additional config changes. For details please refer to https://dev.icinga.org/issues/5821\n";
-exit(1);
-
-use Data::Dumper;
-use File::Find;
-use Storable qw(dclone);
-use Getopt::Long qw(:config no_ignore_case bundling);
-use Pod::Usage;
-use POSIX qw(strftime);
-
-#use feature 'say';
-
-my $version = "0.0.3";
-
-# get command-line parameters
-our $opt;
-GetOptions(
-    "c|icingacfgfile=s"         => \$opt->{icinga1xcfg},
-    "o|outputcfgdir=s"          => \$opt->{icinga2xoutputprefix},
-    "O|objectscache"            => \$opt->{icinga1xobjectscache},
-    "hosttmpl=s"                => \$opt->{hosttmpl},
-    "servicetmpl=s"             => \$opt->{servicetmpl},
-    "usertmpl=s"                => \$opt->{usertmpl},
-    "notificationtmpl=s"        => \$opt->{notificationtmpl},
-    "timeperiodtmpl=s"          => \$opt->{timeperiodtmpl},
-    "checkcommandtmpl=s"        => \$opt->{checkcommandtmpl},
-    "notificationcommandtmpl=s" => \$opt->{notificationcommandtmpl},
-    "eventcommandtmpl=s"        => \$opt->{eventcommandtmpl},
-    "tmpl=s"                    => \$opt->{tmpl},
-    "tmpl=s"                    => \$opt->{tmpl},
-    "v|verbose"                 => \$opt->{verbose},
-    "h|help"                    => \$opt->{help},
-    "V|version"                 => \$opt->{version}
-);
-
-my $icinga1_cfg = "";
-my $icinga2_cfg = {};
-my $conf_prefix = "./conf";
-my $verbose = 0;
-our $dbg_lvl = 0;
-$icinga2_cfg->{'__I2EXPORT_DEBUG'} = 0;
-
-if(defined($opt->{icinga1xcfg})) {
-    $icinga1_cfg = $opt->{icinga1xcfg};
-}
-if(defined($opt->{icinga2xoutputprefix})) {
-    $conf_prefix = $opt->{icinga2xoutputprefix};
-}
-if(defined($opt->{verbose})) {
-    $verbose = $opt->{verbose};
-    $icinga2_cfg->{'__I2EXPORT_DEBUG'} = 1;
-    $dbg_lvl = 1;
-}
-
-if (defined $opt->{version}) { print $version."\n"; exit 0; }
-if ($opt->{help}) { pod2usage(1); }
-
-$icinga2_cfg->{'main'}= "$conf_prefix/icinga2.conf";
-$icinga2_cfg->{'resource'}= "$conf_prefix/resource.conf";
-$icinga2_cfg->{'hosts'}= "$conf_prefix/hosts.conf";
-$icinga2_cfg->{'services'}= "$conf_prefix/services.conf";
-$icinga2_cfg->{'users'}= "$conf_prefix/users.conf";
-$icinga2_cfg->{'groups'}= "$conf_prefix/groups.conf";
-$icinga2_cfg->{'notifications'}= "$conf_prefix/notifications.conf";
-$icinga2_cfg->{'timeperiods'}= "$conf_prefix/timeperiods.conf";
-$icinga2_cfg->{'commands'}= "$conf_prefix/commands.conf";
-
-$icinga2_cfg->{'itl'}->{'host-template'} = "";
-$icinga2_cfg->{'itl'}->{'service-template'} = "";
-$icinga2_cfg->{'itl'}->{'user-template'} = "";
-$icinga2_cfg->{'itl'}->{'notification-template'} = "";
-$icinga2_cfg->{'itl'}->{'timeperiod-template'} = "legacy-timeperiod";
-$icinga2_cfg->{'itl'}->{'checkcommand-template'} = "plugin-check-command";
-$icinga2_cfg->{'itl'}->{'notificationcommand-template'} = "plugin-notification-command";
-$icinga2_cfg->{'itl'}->{'eventcommand-template'} = "plugin-event-command";
-
-if (defined($opt->{hosttmpl})) {
-    $icinga2_cfg->{'customtmpl'}->{'host-template'} = $opt->{hosttmpl};
-    print "Custom host template: '" . $icinga2_cfg->{'customtmpl'}->{'host-template'} . "'\n";
-}
-if (defined($opt->{servicetmpl})) {
-    $icinga2_cfg->{'customtmpl'}->{'service-template'} = $opt->{servicetmpl};
-    print "Custom service template: '" . $icinga2_cfg->{'customtmpl'}->{'service-template'} . "'\n";
-}
-if (defined($opt->{usertmpl})) {
-    $icinga2_cfg->{'customtmpl'}->{'user-template'} = $opt->{usertmpl};
-    print "Custom user template: '" . $icinga2_cfg->{'customtmpl'}->{'user-template'} . "'\n";
-}
-if (defined($opt->{notificationtmpl})) {
-    $icinga2_cfg->{'customtmpl'}->{'notification-template'} = $opt->{notificationtmpl};
-    print "Custom notification template: '" . $icinga2_cfg->{'customtmpl'}->{'notification-template'} . "'\n";
-}
-if (defined($opt->{timeperiodtmpl})) {
-    $icinga2_cfg->{'customtmpl'}->{'timeperiod-template'} = $opt->{timeperiodtmpl};
-    print "Custom timeperiod template: '" . $icinga2_cfg->{'customtmpl'}->{'timeperiod-template'} . "'\n";
-}
-if (defined($opt->{checkcommandtmpl})) {
-    $icinga2_cfg->{'customtmpl'}->{'checkcommand-template'} = $opt->{checkcommandtmpl};
-    print "Custom checkcommand template: '" . $icinga2_cfg->{'customtmpl'}->{'checkcommand-template'} . "'\n";
-}
-if (defined($opt->{notificationcommandtmpl})) {
-    $icinga2_cfg->{'customtmpl'}->{'notificationcommand-template'} = $opt->{notificationcommandtmpl};
-    print "Custom notificationcommand template: '" . $icinga2_cfg->{'customtmpl'}->{'notificationcommand-template'} . "'\n";
-}
-if (defined($opt->{eventcommandtmpl})) {
-    $icinga2_cfg->{'customtmpl'}->{'eventcommand-template'} = $opt->{eventcommandtmpl};
-    print "Custom eventcommand template: '" . $icinga2_cfg->{'customtmpl'}->{'eventcommand-template'} . "'\n";
-}
-
-
-
-my $type_cnt;
-
-################################################################################
-# MAIN
-################################################################################
-
-# verify that we have something to read
-if ( !-f $icinga1_cfg) {
-    print "ERROR: Icinga 1.x config file '$icinga1_cfg' not found.\n";
-    pod2usage(1);
-}
-
-# the import
-debug("Start Icinga 1.x config import @".time);
-my $icinga1_cfg_obj;
-if (!defined($opt->{icinga1xobjectscache})) {
-    $icinga1_cfg_obj = parse_icinga1_objects($icinga1_cfg);
-} else {
-    $icinga1_cfg_obj = parse_icinga1_objects_cache($icinga1_cfg);
-}
-
-# global macros
-my $icinga1_global_macros = parse_icinga1_global_macros($icinga1_cfg);
-
-# the conversion magic inside
-debug("Start Icinga 1.x config migration @".time);
-my $icinga2_cfg_obj = migrate_2x($icinga2_cfg, $icinga1_cfg_obj, $icinga1_cfg_obj_cache, $icinga1_global_macros);
-
-# the export
-debug("Dump Icinga 2.x config @".time);
-dump_cfg_resource_2x($icinga2_cfg, $icinga1_global_macros);
-dump_cfg_obj_2x($icinga2_cfg, $icinga2_cfg_obj);
-
-# print stats
-print "######################################################################\n";
-print "# CONVERSION STATISTICS\n";
-print "######################################################################\n";
-
-print_sorted_hash($icinga2_cfg_obj->{'__I2_CONVERT_STATS'});
-
-debug("Icinga 2.x config migratione done @".time);
-
-=pod
-IMPORT OPTIONS
-=cut
-
-################################################################################
-# PARSE 1.x
-################################################################################
-
-sub get_key_from_icinga1_main_cfg {
-    my ($file, $key) = @_;
-
-    my @key_arr = ();
-
-    if ( !-f $file) {
-        print "cfg file $file does not exist!";
-        return;
-    }
-
-    if ( open ( my $fh, '<', $file ) ) {
-        while ( my $line = <$fh> ) {
-            chomp($line);
-            $line =~ s/#.*//;
-            if ($line =~ /^\s*$key=([^\s]+)/) {
-                push @key_arr, $1; # we may have multiple occurences
-            }
-        }
-    }
-
-    return @key_arr;
-}
-
-sub parse_icinga1_resource_cfg {
-    my $file = shift;
-
-    my @cfg = slurp($file);
-
-    my $global_macros = {};
-
-    foreach my $line (@cfg) {
-        $line = strip($line);
-
-        # skip comments and empty lines
-        next if ($line eq "" || !defined($line) || $line =~ /^\s+$/);
-        next if ($line =~ /^[#;]/ || $line =~ /;.*/);
-
-        #debug($line);
-        my ($macro_name, $macro_value) = split /=/, $line, 2;
-        $macro_name =~ /\$(.*)\$/;
-        $macro_name = $1;
-
-        $global_macros->{$macro_name} = escape_str($macro_value);
-    }
-
-    return $global_macros;
-
-}
-
-sub parse_icinga1_global_macros {
-    my $icinga1_cfg = shift;
-    my $global_macros;
-
-    my ($icinga1_resource_file) = get_key_from_icinga1_main_cfg($icinga1_cfg, "resource_file");
-
-    # resource.cfg
-    if(defined($icinga1_resource_file)) {
-        $global_macros = parse_icinga1_resource_cfg($icinga1_resource_file);
-    }
-
-    # special attributes in icinga.cfg (admin_*)
-    my ($admin_pager) = get_key_from_icinga1_main_cfg($icinga1_cfg, "admin_pager");
-    my ($admin_email) = get_key_from_icinga1_main_cfg($icinga1_cfg, "admin_email");
-
-    if (defined($admin_pager)) {
-        $global_macros->{'ADMINPAGER'} = $admin_pager;
-    }
-    if(defined($admin_email)) {
-        $global_macros->{'ADMINEMAIL'} = $admin_email;
-    }
-
-    return $global_macros;
-}
-
-sub parse_icinga1_object_cfg {
-    my $cfg_obj = shift;
-    my $file = shift;
-
-    my $obj = {}; #hashref
-    my $in_define = 0;
-    my $in_timeperiod = 0;
-    my $type;
-    my $append; # this is a special case where multiple lines are appended with \ - not sure if we support THAT.
-    my $inline_comment;
-
-    my $attr;
-    my $val;
-
-    my @cfg = slurp($file);
-
-    #debug("========================================================");
-    #debug("File: $file");
-    foreach my $line (@cfg) {
-        $line = strip($line);
-
-        #debug("Processing line: '$line'");
-
-        # skip comments and empty lines
-        next if ($line eq "" || !defined($line) || $line =~ /^\s+$/);
-        next if ($line =~ /^[#;]/);
-
-        # || $line =~ /;.*/);
-        $line =~ s/[\r\n\s]+$//;
-        $line =~ s/^\s+//;
-
-        # end of def
-        if ($line =~ /}(\s*)$/) {
-            $in_define = undef;
-            # store type for later
-            $cfg_obj->{'type_cnt'}->{$type} = $cfg_obj->{'type_cnt'}->{$type} + 1;
-            $type = "";
-            next;
-        }
-        # start of def
-        elsif ($line =~ /define\s+(\w+)\s*{?(.*)$/) {
-            $type = $1;
-            $append = $2;
-
-            next if (!defined($type));
-
-            if ($type eq "timeperiod") {
-                $in_timeperiod = 1;
-            } else {
-                $in_timeperiod = 0;
-            }
-
-            # save the type
-            $cfg_obj->{$type}->{$cfg_obj->{'type_cnt'}->{$type}}->{'__I2CONVERT_TYPE'} = $type;
-
-            # we're ready to process entries
-            $in_define = 1;
-            # save the current type counter, being our unique key here
-            next;
-        }
-        # in def
-        elsif ($in_define == 1) {
-
-            # first, remove the annoying inline comments after ';'
-            $line =~ s/\s*[;\#](.*)$//;
-            $inline_comment = $1;
-
-            # then split it and save it by type->cnt->attr->val
-            #($attr, $val) = split (/\s+/, $line, 2); # important - only split into 2 elements
-
-            # timeperiods require special parser
-            if ($in_timeperiod == 1) {
-                if ($line =~ /timeperiod_name/ || $line =~ /alias/ || $line =~ /exclude/) {
-                    $line =~ m/([\w]+)\s*(.*)/;
-                    $attr = strip($1); $val = strip($2);
-                } else {
-                    $line =~ m/(.*)\s+([\d\W]+)/;
-                    $attr = strip($1); $val = strip($2);
-                }
-            } else {
-                    $line =~ m/([\w]+)\s*(.*)/;
-                    $attr = strip($1); $val = strip($2);
-            }
-            # ignore empty values
-            next if (!defined($val));
-            next if ($val eq "");
-            #debug("cnt: $cfg_obj->{'type_cnt'}->{$type}");
-            #debug("line: '$line'");
-            #debug("type: $type");
-            #debug("attr: $attr");
-            #debug("val: $val");
-            #debug("\n");
-
-            # strip illegal object name characters, replace with _
-            if ( ($attr =~ /name/ && $attr !~ /display_name/) ||
-                    $attr =~ /description/ ||
-                    $attr =~ /contact/ ||
-                    $attr =~ /groups/ ||
-                    $attr =~ /members/ ||
-                    $attr =~ /use/ ||
-                    $attr =~ /parents/ ||
-                    $attr =~ /_period/
-                ) {
-                $val = strip_object_name($val);
-            }
-            # treat 'null' (disable) as '0'
-            if ($val eq "null") {
-                $val = 0;
-            }
-
-            $cfg_obj->{$type}->{$cfg_obj->{'type_cnt'}->{$type}}->{$attr} = $val;
-
-            # ignore duplicated attributes, last one wins
-        }
-        else {
-            $in_define = 0;
-        }
-
-    }
-
-    #debug("========================================================");
-
-    return $cfg_obj;
-
-}
-
-# the idea is to reduce work load - get all the existing object relations (host->service)
-# and have core 1.x already mapped that. we focus on getting the details when
-# needed, but do not print the object without templates - only if there's no other way.
-sub parse_icinga1_objects_cache {
-    my $icinga1_cfg = shift;
-
-    # functions return array in case of multiple occurences, we'll take only the first one
-    my ($object_cache_file) = get_key_from_icinga1_main_cfg($icinga1_cfg, "object_cache_file");
-
-    if(!defined($object_cache_file)) {
-        print "ERROR: No objects cache file found in $icinga1_cfg! We'll need for final object conversion.\n";
-        return -1;
-    }
-
-    if(! -r $object_cache_file) {
-        print "ERROR: objects cache file '$object_cache_file' from $icinga1_cfg not found! We'll need it for final object conversion.\n";
-        return -1;
-    }
-
-    my $cfg_obj_cache = {};
-
-    print "Processing file '$object_cache_file'...\n";
-    $cfg_obj_cache = parse_icinga1_object_cfg($cfg_obj_cache, $object_cache_file);
-
-    #say Dumper($cfg_obj_cache);
-
-    return $cfg_obj_cache;
-
-}
-
-# parse all existing config object included in icinga.cfg, with all their templates
-# and grouping tricks
-sub parse_icinga1_objects {
-    my $icinga1_cfg = shift;
-
-    my @cfg_files = get_key_from_icinga1_main_cfg($icinga1_cfg, "cfg_file");
-    my @cfg_dirs = get_key_from_icinga1_main_cfg($icinga1_cfg, "cfg_dir");
-
-    sub find_icinga1_cfg_files {
-        my $file = $File::Find::name;
-        return if -d $file;
-        if ($file =~ /\.cfg$/) {
-            push @cfg_files, $file;
-        }
-    }
-
-    foreach my $cfg_dir (@cfg_dirs) {
-        find(\&find_icinga1_cfg_files, $cfg_dir);
-    }
-
-    # check if there was nothing to include
-    if (!@cfg_files) {
-        print "ERROR: $icinga1_cfg did not contain any object includes.\n";
-        return -1;
-    }
-    #print "@cfg_files";
-
-    # now fetch all the config information into our global hash ref
-    my $cfg_objs = {};
-
-    foreach my $cfg_file (@cfg_files) {
-        print "Processing file '$cfg_file'...\n";
-        $cfg_objs = parse_icinga1_object_cfg($cfg_objs, $cfg_file);
-    }
-
-    #say Dumper($cfg_obj);
-    #say Dumper($cfg_obj->{'service'});
-
-    return $cfg_objs;
-}
-
-
-=pod
-MIGRATION
-=cut
-
-
-################################################################################
-## Validation
-#################################################################################
-
-sub obj_1x_is_template {
-    my $obj_1x = shift;
-
-    if (defined($obj_1x->{'register'})) {
-        if ($obj_1x->{'register'} == 0) {
-            return 1;
-        }
-    }
-
-    return 0;
-}
-
-sub obj_1x_uses_template {
-    my $obj_1x = shift;
-
-    if (defined($obj_1x->{'use'})) {
-        return 1;
-    }
-
-    return 0;
-}
-
-# check if notification object exists (2.x only)
-sub obj_2x_notification_exists {
-    my $objs = shift;
-    my $obj_type = 'notification';
-    my $obj_attr = '__I2CONVERT_NOTIFICATION_OBJECT_NAME'; # this must be set outside, no matter if template or not XXX
-    my $obj_val = shift;
-
-    #debug("My objects hive: ".Dumper($objs));
-
-    #debug("Checking for type=$obj_type attr=$obj_attr val=$obj_val ");
-    foreach my $obj_key (keys %{@$objs{$obj_type}}) {
-        my $obj = @$objs{$obj_type}->{$obj_key};
-        next if !defined($obj->{$obj_attr});
-        #debug("Getting attr $obj_attr and val $obj_val");
-        if ($obj->{$obj_attr} eq $obj_val) {
-            #debug("Found object: ".Dumper($obj));
-            return 1;
-        }
-    }
-
-    return 0;
-}
-
-# check if command object exists (2.x only)
-sub obj_2x_command_exists {
-    my $objs = shift;
-    my $obj_type = 'command';
-    my $obj_attr = '__I2CONVERT_COMMAND_NAME';
-    my $obj_val = shift;
-    my $command_type = shift;
-    my $command_type_attr = '__I2CONVERT_COMMAND_TYPE';
-
-    #debug("My objects hive: ".Dumper($objs));
-
-    #debug("Checking for type=$obj_type attr=$obj_attr val=$obj_val ");
-    foreach my $obj_key (keys %{@$objs{$obj_type}}) {
-        my $obj = @$objs{$obj_type}->{$obj_key};
-        next if !defined($obj->{$obj_attr});
-        #debug("Getting attr $obj_attr and val $obj_val");
-
-        next if $obj->{$command_type_attr} ne $command_type;
-
-        if ($obj->{$obj_attr} eq $obj_val) {
-            #debug("Found object: ".Dumper($obj));
-            return 1;
-        }
-    }
-
-    return 0;
-}
-
-# check if host service object exists (2.x only)
-sub obj_2x_host_service_exists {
-    my $objs = shift;
-    my $obj_attr = '__I2CONVERT_SERVICEDESCRIPTION';
-    my $obj_val = shift;
-
-    #debug("My objects hive: ".Dumper($objs));
-
-    #debug("Checking for type=$obj_type attr=$obj_attr val=$obj_val ");
-    foreach my $obj_key (keys %{$objs}) {
-        my $obj = $objs->{$obj_key};
-        next if !defined($obj->{$obj_attr});
-        #debug("Getting attr $obj_attr and val $obj_val");
-        if ($obj->{$obj_attr} eq $obj_val) {
-            #debug("Found object: ".Dumper($obj));
-            #say Dumper($obj);
-            return 1;
-        }
-    }
-
-    return 0;
-}
-
-# check if hostcheck service template object exists (2.x only)
-sub obj_2x_hostcheck_service_template_exists {
-    my $objs = shift;
-    my $obj_attr = '__I2CONVERT_TEMPLATE_NAME';
-    my $obj_val = shift;
-
-    #debug("My objects hive: ".Dumper($objs));
-
-    #debug("Checking for type=$obj_type attr=$obj_attr val=$obj_val ");
-    foreach my $obj_key (keys %{$objs}) {
-        my $obj = $objs->{$obj_key};
-        next if !defined($obj->{$obj_attr});
-        #debug("Getting attr $obj_attr and val $obj_val");
-        if ($obj->{$obj_attr} eq $obj_val) {
-            #debug("Found object: ".Dumper($obj));
-            #say Dumper($obj);
-            return 1;
-        }
-    }
-
-    return 0;
-}
-
-
-#################################################################################
-# Migration
-#################################################################################
-
-
-#################################################################################
-# Get Object Helpers
-#################################################################################
-
-# get host object by attr 'host_name'
-sub obj_get_host_obj_by_host_name {
-    my $objs = shift;
-    my $obj_type = 'host';
-    my $obj_attr = 'host_name';
-    my $obj_val = shift;
-
-    #debug("My objects hive: ".Dumper($objs));
-
-    #debug("Checking for type=$obj_type attr=$obj_attr val=$obj_val ");
-    foreach my $obj_key (keys %{@$objs{$obj_type}}) {
-        my $obj = @$objs{$obj_type}->{$obj_key};
-        next if !defined($obj->{$obj_attr});
-        #debug("Getting attr $obj_attr and val $obj_val");
-        if ($obj->{$obj_attr} eq $obj_val) {
-            #debug("Found object: ".Dumper($obj));
-            return $obj;
-        }
-    }
-
-    return undef;
-}
-
-# get service object by attr 'host_name' and 'service_description'
-sub obj_get_service_obj_by_host_name_service_description {
-    my $objs = shift;
-    my $obj_type = 'service';
-    my $obj_attr_host = shift;
-    my $obj_attr_service = shift;
-    my $obj_val_host = shift;
-    my $obj_val_service = shift;
-
-    #debug("My objects hive: ".Dumper($objs));
-
-    #debug("Checking for service with host_name=$obj_val_host service_description=$obj_val_service ");
-    foreach my $obj_key (keys %{@$objs{$obj_type}}) {
-        my $obj = @$objs{$obj_type}->{$obj_key};
-        next if !defined($obj->{$obj_attr_host});
-        next if !defined($obj->{$obj_attr_service});
-        #debug("Getting attr $obj_attr_host/$obj_attr_service and val $obj_val_host/$obj_val_service");
-        if (($obj->{$obj_attr_host} eq $obj_val_host) && ($obj->{$obj_attr_service} eq $obj_val_service)) {
-            #debug("Found object: ".Dumper($obj));
-            return $obj;
-        }
-    }
-
-    return undef;
-}
-
-# get contact object by attr 'contact_name'
-sub obj_get_contact_obj_by_contact_name {
-    my $objs = shift;
-    my $obj_type = shift;
-    my $obj_attr = shift;
-    my $obj_val = shift;
-
-    #debug("My objects hive: ".Dumper($objs));
-
-    #debug("Checking for type=$obj_type attr=$obj_attr val=$obj_val ");
-    foreach my $obj_key (keys %{@$objs{$obj_type}}) {
-        my $obj = @$objs{$obj_type}->{$obj_key};
-        next if !defined($obj->{$obj_attr});
-        #debug("Getting attr $obj_attr and val $obj_val");
-        if ($obj->{$obj_attr} eq $obj_val) {
-            #debug("Found object: ".Dumper($obj));
-            return $obj;
-        }
-    }
-
-    return undef;
-}
-
-# get user object by attr 'user_name'
-sub obj_get_user_obj_by_user_name {
-    my $objs = shift;
-    my $obj_type = 'user';
-    my $obj_attr = 'user_name';
-    my $obj_val = shift;
-
-    #debug("My objects hive: ".Dumper($objs));
-
-    #debug("Checking for type=$obj_type attr=$obj_attr val=$obj_val ");
-    foreach my $obj_key (keys %{@$objs{$obj_type}}) {
-        my $obj = @$objs{$obj_type}->{$obj_key};
-        next if !defined($obj->{$obj_attr});
-        #debug("Getting attr $obj_attr and val $obj_val");
-        if ($obj->{$obj_attr} eq $obj_val) {
-            #debug("Found object: ".Dumper($obj));
-            return $obj;
-        }
-    }
-
-    return undef;
-}
-
-# get template object by attr 'name'
-sub obj_get_tmpl_obj_by_tmpl_name {
-    my $objs = shift;
-    my $obj_tmpl_type = shift;
-    my $obj_attr_tmpl_name = shift;
-    my $obj_attr = 'name';
-
-    #debug("My objects hive: ".Dumper($objs));
-
-    #debug("Checking for template name with $obj_attr_tmpl_name");
-    foreach my $obj_key (keys %{@$objs{$obj_tmpl_type}}) {
-        my $obj = @$objs{$obj_tmpl_type}->{$obj_key};
-        next if !defined($obj->{$obj_attr});
-        # XXX it would be safe, but we cannot garantuee it here, so better check before if we want a template or not
-        if ($obj->{$obj_attr} eq $obj_attr_tmpl_name) {
-            #debug("Found object: ".Dumper($obj));
-            return $obj;
-        }
-    }
-
-    return undef;
-}
-
-
-# get hostgroup object by attr 'hostgroup_name'
-sub obj_get_hostgroup_obj_by_hostgroup_name {
-    my $objs = shift;
-    my $obj_type = 'hostgroup';
-    my $obj_attr = 'hostgroup_name';
-    my $obj_val = shift;
-
-    #debug("My objects hive: ".Dumper($objs));
-
-    #debug("Checking for type=$obj_type attr=$obj_attr val=$obj_val ");
-    foreach my $obj_key (keys %{@$objs{$obj_type}}) {
-        my $obj = @$objs{$obj_type}->{$obj_key};
-        next if !defined($obj->{$obj_attr});
-        #debug("Getting attr $obj_attr and val $obj_val");
-        if ($obj->{$obj_attr} eq $obj_val) {
-            #debug("Found object: ".Dumper($obj));
-            return $obj;
-        }
-    }
-
-    return undef;
-}
-
-#################################################################################
-# Get Object Attribute Helpers
-#################################################################################
-
-
-# get host_names by attr 'hostgroup_name'
-sub obj_get_hostnames_arr_by_hostgroup_name {
-    my $objs = shift;
-    my $obj_type = 'host';
-    my $obj_attr = 'hostgroups';
-    my $obj_val = shift;
-    my @host_names = ();
-
-    #debug("My objects hive: ".Dumper($objs));
-
-    #debug("Checking for type=$obj_type attr=$obj_attr val=$obj_val ");
-    foreach my $obj_key (keys %{@$objs{$obj_type}}) {
-        my $obj = @$objs{$obj_type}->{$obj_key};
-        next if !defined($obj->{$obj_attr});
-        #debug("Getting attr $obj_attr and val $obj_val");
-
-        foreach my $hg (@{$obj->{$obj_attr}}) {
-            if ($hg eq $obj_val) {
-                #debug("Found object: ".Dumper($obj));
-                push @host_names, $obj->{'host_name'};
-            }
-        }
-    }
-
-    return @host_names;
-}
-
-sub obj_get_usernames_arr_by_usergroup_name {
-    my $objs = shift;
-    my $obj_type = 'user';
-    my $obj_attr = 'usergroups';
-    my $obj_val = shift;
-    my @user_names = ();
-
-    #debug("My objects hive: ".Dumper($objs));
-
-    #debug("Checking for type=$obj_type attr=$obj_attr val=$obj_val ");
-    foreach my $obj_key (keys %{@$objs{$obj_type}}) {
-        my $obj = @$objs{$obj_type}->{$obj_key};
-        next if !defined($obj->{$obj_attr});
-        #debug("Getting attr $obj_attr and val $obj_val");
-
-        foreach my $user (@{$obj->{$obj_attr}}) {
-            if ($user eq $obj_val) {
-                #debug("Found object: ".Dumper($obj));
-                push @user_names, $obj->{'user_name'};
-            }
-        }
-    }
-
-    return @user_names;
-}
-
-# used after relinking all services with servicegroups
-sub obj_2x_get_service_arr_by_servicegroup_name {
-    my $objs_2x = shift;
-    my $objs = $objs_2x;
-    my $obj_type = 'service';
-    my $obj_attr = 'servicegroups';
-    my $obj_val = shift;
-    my @service_names = ();
-
-    #debug("My objects hive: ".Dumper($objs));
-
-    #debug("Checking for type=$obj_type attr=$obj_attr val=$obj_val ");
-    foreach my $obj_key (keys %{@$objs{$obj_type}}) {
-        my $obj = @$objs{$obj_type}->{$obj_key};
-        # this there's no attr, try template tree
-        my @servicegroups = ();
-        my $host_name = $obj->{'__I2CONVERT_SERVICE_HOSTNAME'};
-
-        # skip invalid resolved objects
-        if (!defined($host_name)) {
-            #say Dumper("missing host name...");
-            next;
-        }
-
-        if (defined($obj->{$obj_attr}) && scalar(@{$obj->{$obj_attr}} > 0)) {
-            push @servicegroups, @{$obj->{$obj_attr}};
-            #say Dumper("$obj_attr ========== found in object $obj->{'__I2CONVERT_SERVICE_HOSTNAME'}:$obj->{'__I2CONVERT_SERVICEDESCRIPTION'}");
-            #say Dumper(@servicegroups);
-        } else {
-            #say Dumper("START ------------------------");
-            #say Dumper($obj);
-            my @service_sgs = obj_2x_get_service_servicegroups($objs_2x,$obj,$host_name,$obj_attr);
-            #say Dumper(@service_sgs);
-            if (scalar @service_sgs > 0) {
-                push @servicegroups, @service_sgs;
-                #say Dumper("$obj_attr ========== found in template tree $obj->{'__I2CONVERT_SERVICE_HOSTNAME'}:$obj->{'__I2CONVERT_SERVICEDESCRIPTION'}");
-                #say Dumper(@servicegroups);
-                #say Dumper($obj);
-            }
-            #say Dumper("END ------------------------");
-        }
-        #debug("Getting attr $obj_attr and val $obj_val");
-
-        # check if servicegroup_name is in the array of servicegroups for this processed service
-        foreach my $servicegroup (@servicegroups) {
-            # skip templates
-            next if ($obj->{'__I2CONVERT_SERVICE_IS_TEMPLATE'} == 1);
-            if ($servicegroup eq $obj_val) {
-                #debug("Found object: ".Dumper($obj));
-                my $service_name;
-                $service_name->{'__I2CONVERT_SERVICE_HOSTNAME'} = $obj->{'__I2CONVERT_SERVICE_HOSTNAME'};
-                $service_name->{'__I2CONVERT_SERVICEDESCRIPTION'} = $obj->{'__I2CONVERT_SERVICEDESCRIPTION'};
-                push @service_names, $service_name;
-            }
-        }
-    }
-
-    return @service_names;
-}
-
-sub obj_1x_get_all_hostnames_arr {
-    my $objs = shift;
-    my $obj_type = 'host';
-    my $obj_attr = 'host_name';
-    my $obj_val = '*';
-    my @host_names = ();
-
-    #debug("My objects hive: ".Dumper($objs));
-
-    #debug("Checking for type=$obj_type attr=$obj_attr val=$obj_val ");
-    foreach my $obj_key (keys %{@$objs{$obj_type}}) {
-        my $obj = @$objs{$obj_type}->{$obj_key};
-        next if !defined($obj->{$obj_attr});
-        #debug("Getting attr $obj_attr and val $obj_val");
-
-        push @host_names, $obj->{$obj_attr};
-    }
-
-    return @host_names;
-}
-
-
-
-# get host_name from object
-sub obj_1x_get_host_host_name {
-    my $objs_1x = shift;
-    my $obj_1x = shift;
-    my $host_name = "";
-
-    # if this object is invalid, bail early
-    return undef if !defined($obj_1x);
-
-    # first, check if we already got a host_name here in our struct (recursion safety)
-    return $obj_1x->{'__I2CONVERT_HOSTNAME'} if defined($obj_1x->{'__I2CONVERT_HOSTNAME'});
-    delete $obj_1x->{'__I2CONVERT_HOSTNAME'};
-
-    # if this object got what we want, return (it can be recursion and a template!)
-    if(defined($obj_1x->{'host_name'})) {
-        $obj_1x->{'__I2CONVERT_HOSTNAME'} = $obj_1x->{'host_name'};
-        return $obj_1x->{'__I2CONVERT_HOSTNAME'};
-    }
-
-    # we don't have a host name, should we look into a template?
-    # make sure _not_ to use
-    if (defined($obj_1x->{'__I2CONVERT_USES_TEMPLATE'}) && $obj_1x->{'__I2CONVERT_USES_TEMPLATE'} == 1) {
-        # get the object referenced as template - this is an array of templates, loop (funny recursion here)
-        foreach my $obj_1x_template (@{$obj_1x->{'__I2CONVERT_TEMPLATE_NAMES'}}) {
-
-            # get the template object associated with by its unique 'name' attr
-            my $obj_1x_tmpl = obj_get_tmpl_obj_by_tmpl_name($objs_1x, 'host', $obj_1x_template);
-
-            # now recurse into ourselves and look for a possible service_description
-            $host_name = obj_1x_get_host_host_name($objs_1x,$obj_1x_tmpl);
-            # bail here if search did not unveil anything
-            next if(!defined($host_name));
-
-            # get the host_name and return - first template wins
-            $obj_1x->{'__I2CONVERT_HOSTNAME'} = $host_name;
-            return $obj_1x->{'__I2CONVERT_HOSTNAME'};
-        }
-    }
-    # no template used, and no host name - broken object, ignore it
-    else {
-        return undef;
-    }
-
-    # we should never hit here
-    return undef;
-}
-
-# get host_name(s) from service object
-sub obj_1x_get_service_host_name_arr {
-# service objects may contain comma seperated host lists (ugly as ...)
-    my $objs_1x = shift;
-    my $obj_1x = shift;
-    my @host_name = ();
-
-    # if this object is invalid, bail early
-    return undef if !defined($obj_1x);
-
-    # first, check if we already got a host_name here in our struct (recursion safety)
-    return $obj_1x->{'__I2CONVERT_HOSTNAMES'} if defined($obj_1x->{'__I2CONVERT_HOSTNAMES'});
-    delete $obj_1x->{'__I2CONVERT_HOSTNAMES'};
-
-    # if this object got what we want, return (it can be recursion and a template!)
-    if(defined($obj_1x->{'host_name'})) {
-
-        #print "DEBUG: found $obj_1x->{'host_name'}\n";
-
-        # convert to array
-        delete($obj_1x->{'__I2CONVERT_HOSTNAMES'});
-
-        # check if host_name is a wildcard, or a possible comma seperated list
-        # using object tricks - http://docs.icinga.org/latest/en/objecttricks.html#objecttricks-service
-        if ($obj_1x->{'host_name'} =~ /^\*$/) {
-            @host_name = obj_1x_get_all_hostnames_arr($objs_1x);
-        } else {
-            @host_name = str2arr_by_delim_without_excludes($obj_1x->{'host_name'}, ',', 1);
-        }
-        push @{$obj_1x->{'__I2CONVERT_HOSTNAMES'}}, @host_name;
-
-        #print "DEBUG: @{$obj_1x->{'__I2CONVERT_HOSTNAMES'}}";
-        return @host_name;
-    }
-
-    # we don't have a host name, should we look into a template?
-    # make sure _not_ to use
-    if (defined($obj_1x->{'__I2CONVERT_USES_TEMPLATE'}) && $obj_1x->{'__I2CONVERT_USES_TEMPLATE'} == 1) {
-        # get the object referenced as template - this is an array of templates, loop (funny recursion here)
-        foreach my $obj_1x_template (@{$obj_1x->{'__I2CONVERT_TEMPLATE_NAMES'}}) {
-
-            #say Dumper($obj_1x_template);
-
-            # get the template object associated with by its unique 'name' attr
-            my $obj_1x_tmpl = obj_get_tmpl_obj_by_tmpl_name($objs_1x, 'service', $obj_1x_template);
-
-            # now recurse into ourselves and look for all possible hostnames in array
-            @host_name = obj_1x_get_service_host_name_arr($objs_1x,$obj_1x_tmpl);
-            #print "DEBUG: from tmpl $obj_1x_template: " . join(" ", @host_name) . "\n";
-
-            # bail here if search did not unveil anything
-            next if(!@host_name);
-
-            # get the host_name and return - first template wins
-            # convert to array
-            delete($obj_1x->{'__I2CONVERT_HOSTNAMES'});
-            push @{$obj_1x->{'__I2CONVERT_HOSTNAMES'}}, @host_name;
-            return @host_name;
-        }
-    }
-    # no template used, and no host name - broken object, ignore it
-    else {
-        return undef;
-    }
-
-    # we should never hit here
-    return undef;
-}
-
-# get service_description from object
-sub obj_1x_get_service_service_description {
-    my $objs_1x = shift;
-    my $obj_1x = shift;
-    my $host_name = shift;
-    my $service_description = "";
-
-    # if this object is invalid, bail early
-    return undef if !defined($obj_1x);
-
-    # first, check if we already got a service_description here in our struct (recursion safety)
-    return $obj_1x->{'__I2CONVERT_SERVICEDESCRIPTION'} if defined($obj_1x->{'__I2CONVERT_SERVICEDESCRIPTION'});
-    delete $obj_1x->{'__I2CONVERT_SERVICEDESCRIPTION'};
-
-    # if this object got what we want, return (it can be recursion and a template!)
-    if(defined($obj_1x->{'service_description'})) {
-        $obj_1x->{'__I2CONVERT_SERVICEDESCRIPTION'} = $obj_1x->{'service_description'};
-        return $obj_1x->{'__I2CONVERT_SERVICEDESCRIPTION'};
-    }
-
-    # we don't have a service description, should we look into a template?
-    # make sure _not_ to use
-    if (defined($obj_1x->{'__I2CONVERT_USES_TEMPLATE'}) && $obj_1x->{'__I2CONVERT_USES_TEMPLATE'} == 1) {
-        # get the object referenced as template - this is an array of templates, loop (funny recursion here)
-        foreach my $obj_1x_template (@{$obj_1x->{'__I2CONVERT_TEMPLATE_NAMES'}}) {
-
-            # get the template object associated with by its unique 'name' attr
-            my $obj_1x_tmpl = obj_get_tmpl_obj_by_tmpl_name($objs_1x, 'service', $obj_1x_template);
-
-            # now recurse into ourselves and look for a possible service_description
-            $service_description = obj_1x_get_service_service_description($objs_1x,$obj_1x_tmpl,$host_name); # we must pass the host_name
-            # bail here if search did not unveil anything
-            next if(!defined($service_description));
-
-            # get the service description and return - first template wins
-            $obj_1x->{'__I2CONVERT_SERVICEDESCRIPTION'} = $service_description;
-            return $obj_1x->{'__I2CONVERT_SERVICEDESCRIPTION'};
-        }
-    }
-    # no template used, and not service description - broken object, ignore it
-    else {
-        return undef;
-    }
-
-    # we should never hit here
-    return undef;
-}
-
-# get service_description from object
-sub obj_1x_get_service_attr {
-    my $objs_1x = shift;
-    my $obj_1x = shift;
-    my $host_name = shift;
-    my $search_attr = shift;
-    my $service_attr = "";
-
-    # if this object is invalid, bail early
-    return undef if !defined($obj_1x);
-
-    # if this object got what we want, return (it can be recursion and a template!)
-    if(defined($obj_1x->{$search_attr})) {
-        return $obj_1x->{$search_attr};
-    }
-
-    # we don't have the attribute, should we look into a template?
-    # make sure _not_ to use
-    if (defined($obj_1x->{'__I2CONVERT_USES_TEMPLATE'}) && $obj_1x->{'__I2CONVERT_USES_TEMPLATE'} == 1) {
-        # get the object referenced as template - this is an array of templates, loop (funny recursion here)
-        foreach my $obj_1x_template (@{$obj_1x->{'__I2CONVERT_TEMPLATE_NAMES'}}) {
-
-            # get the template object associated with by its unique 'name' attr
-            my $obj_1x_tmpl = obj_get_tmpl_obj_by_tmpl_name($objs_1x, 'service', $obj_1x_template);
-
-            # now recurse into ourselves and look for a possible service_description
-            $service_attr = obj_1x_get_service_attr($objs_1x,$obj_1x_tmpl,$host_name,$search_attr); # we must pass the host_name and search_attr
-            #say Dumper($service_attr);
-            # bail here if search did not unveil anything
-            next if(!defined($service_attr));
-
-            # get the service attr and return - first template wins
-            return $service_attr;
-        }
-    }
-    # no template used, and not service description - broken object, ignore it
-    else {
-        return undef;
-    }
-
-    # we should never hit here
-    return undef;
-}
-
-# get service_description from object
-sub obj_1x_get_host_attr {
-    my $objs_1x = shift;
-    my $obj_1x = shift;
-    my $host_name = shift;
-    my $search_attr = shift;
-    my $host_attr = "";
-
-    # if this object is invalid, bail early
-    return undef if !defined($obj_1x);
-
-    # if this object got what we want, return (it can be recursion and a template!)
-    if (defined($obj_1x->{$search_attr})) {
-        return $obj_1x->{$search_attr};
-    }
-
-    # we don't have the attribute, should we look into a template?
-    # make sure _not_ to use
-    if (defined($obj_1x->{'__I2CONVERT_USES_TEMPLATE'}) && $obj_1x->{'__I2CONVERT_USES_TEMPLATE'} == 1) {
-        # get the object referenced as template - this is an array of templates, loop (funny recursion here)
-        foreach my $obj_1x_template (@{$obj_1x->{'__I2CONVERT_TEMPLATE_NAMES'}}) {
-
-            # get the template object associated with by its unique 'name' attr
-            my $obj_1x_tmpl = obj_get_tmpl_obj_by_tmpl_name($objs_1x, 'host', $obj_1x_template);
-
-            # now recurse into ourselves and look for a possible service_description
-            $host_attr = obj_1x_get_host_attr($objs_1x,$obj_1x_tmpl,$host_name,$search_attr); # we must pass the host_name and search_attr
-            #say Dumper($service_attr);
-            # bail here if search did not unveil anything
-            next if(!defined($host_attr));
-
-            # get the service attr and return - first template wins
-            return $host_attr;
-        }
-    }
-    # no template used, and not service description - broken object, ignore it
-    else {
-        return undef;
-    }
-
-    # we should never hit here
-    return undef;
-}
-
-# get service_description from object
-sub obj_1x_get_contact_attr {
-    my $objs_1x = shift;
-    my $obj_1x = shift;
-    my $search_attr = shift;
-    my $contact_attr = "";
-
-    # if this object is invalid, bail early
-    return undef if !defined($obj_1x);
-
-    # if this object got what we want, return (it can be recursion and a template!)
-    if(defined($obj_1x->{$search_attr})) {
-        return $obj_1x->{$search_attr};
-    }
-
-    # we don't have the attribute, should we look into a template?
-    # make sure _not_ to use
-    if (defined($obj_1x->{'__I2CONVERT_USES_TEMPLATE'}) && $obj_1x->{'__I2CONVERT_USES_TEMPLATE'} == 1) {
-        # get the object referenced as template - this is an array of templates, loop (funny recursion here)
-        foreach my $obj_1x_template (@{$obj_1x->{'__I2CONVERT_TEMPLATE_NAMES'}}) {
-
-            # get the template object associated with by its unique 'name' attr
-            my $obj_1x_tmpl = obj_get_tmpl_obj_by_tmpl_name($objs_1x, 'contact', $obj_1x_template);
-
-            # now recurse into ourselves and look for a possible contact attr
-            $contact_attr = obj_1x_get_contact_attr($objs_1x,$obj_1x_tmpl,$search_attr); # we must pass the search_attr
-            # bail here if search did not unveil anything
-            next if(!defined($contact_attr));
-
-            # get the contact attr and return - first template wins
-            return $contact_attr;
-        }
-    }
-    # no template used, and attr - broken object, ignore it
-    else {
-        return undef;
-    }
-
-    # we should never hit here
-    return undef;
-}
-
-# get servicegroups  from object (already 2x and _array_ XXX)
-sub obj_2x_get_service_servicegroups {
-    my $objs_2x = shift;
-    my $obj_2x = shift;
-    my $host_name = shift;
-    my $search_attr = shift;
-    my @service_groups;
-
-    #say Dumper("in obj_2x_get_service_attr");
-    # if this object is invalid, bail early
-    return undef if !defined($obj_2x);
-
-    # if this object got what we want, return (it can be recursion and a template!)
-    if(defined($obj_2x->{$search_attr}) && scalar(@{$obj_2x->{$search_attr}}) > 0) {
-        #say Dumper("in obj_2x_get_service_attr. found ");
-        #say Dumper($obj_2x->{$search_attr});
-        return @{$obj_2x->{$search_attr}};
-    }
-
-    # we don't have the attribute, should we look into a template?
-    # make sure _not_ to use
-    if (defined($obj_2x->{'__I2CONVERT_USES_TEMPLATE'}) && $obj_2x->{'__I2CONVERT_USES_TEMPLATE'} == 1) {
-        # get the object referenced as template - this is an array of templates, loop (funny recursion here)
-        foreach my $obj_2x_template (@{$obj_2x->{'__I2CONVERT_TEMPLATE_NAMES'}}) {
-
-            #say Dumper("in obj_2x_get_service_attr template");
-            #say Dumper($obj_2x_template);
-            # get the template object associated with by its unique 'name' attr
-            my $obj_2x_tmpl = obj_get_tmpl_obj_by_tmpl_name($objs_2x, 'service', $obj_2x_template);
-            #say Dumper($obj_2x_tmpl);
-
-            # now recurse into ourselves and look for a possible service_description
-            push @service_groups, obj_2x_get_service_servicegroups($objs_2x,$obj_2x_tmpl,$host_name,$search_attr); # we must pass the host_name and search_attr
-            #say Dumper($service_attr);
-            # bail here if search did not unveil anything
-            next if(scalar(@service_groups) == 0);
-
-            # get the service attr and return - first template wins
-            return @service_groups;
-        }
-    }
-    # no template used, and not service description - broken object, ignore it
-    else {
-        return undef;
-    }
-
-    # we should never hit here
-    return undef;
-}
-
-
-################################################################################
-# Conversion
-#################################################################################
-
-# convert CVs, *_url, etc into custom hash
-sub obj_convert_custom_attr_to_custom_hash {
-    my $obj = shift;
-    my $custom;
-
-    foreach my $key (keys %{$obj}) {
-        if ($key =~ /^_|_url$|notes|image|coords/ && $key !~ /__I2CONVERT/) {
-            my $new_key = ($key =~ /^\d/) ? "\"$key\"" : $key;
-            $custom->{$new_key} = escape_str($obj->{$key});
-        }
-    }
-
-    $obj->{'__I2CONVERT_CUSTOM_ATTR'} = $custom;
-
-    return $custom;
-}
-
-sub resolve_macro_attribute {
-    my $cfg_obj = shift;
-    my $obj = shift;
-    my $macro_name = shift;
-
-    my $macro_value;
-    my $attr_name;
-    my $obj_host;
-    my $host_name;
-
-    # NOTE: BIG FAT NOTE: we only support static configuration macros as arguments
-    # we cannot resolve macros which require the full configuration in memory, but
-    # only local service (or host related macros) for command arguments
-
-    # _ == custom var from host/service
-    if ($macro_name =~ /^_HOST(\w+)/) {
-        $attr_name = "_$1";
-        #debug("MACRO RESOLVER: found Host CV '$macro_name'.");
-
-        if (defined($obj->{'__I2CONVERT_HOSTNAME'})) {
-            $host_name = $obj->{'__I2CONVERT_HOSTNAME'};
-            $obj_host = $obj;
-        } else {
-            $host_name = $obj->{'__I2CONVERT_SERVICE_HOSTNAME'};
-            # first grab the according host object (this is a service object)
-            $obj_host = obj_get_host_obj_by_host_name($cfg_obj, $host_name);
-        }
-
-        $macro_value = obj_1x_get_host_attr($cfg_obj, $obj_host, $host_name, $attr_name);
-
-        #debug("MACRO RESOLVER: found $attr_name with value '$macro_value' on " . Dumper($obj_host));
-        return $macro_value;
-    }
-    elsif ($macro_name =~ /^_SERVICE(\w+)/) {
-        $attr_name = "_$1";
-
-        # if this is a host object, this macro is invalid! XXX
-        return undef if defined($obj->{'__I2CONVERT_HOSTNAME'});
-
-        #debug("MACRO RESOLVER: found Service CV '$macro_name'.");
-        $macro_value = obj_1x_get_service_attr($cfg_obj, $obj, $obj->{'__I2CONVERT_SERVICE_HOSTNAME'}, $attr_name);
-
-        #debug("MACRO RESOLVER: found $attr_name with value '$macro_value' on " . Dumper($obj));
-        return $macro_value;
-    }
-    else {
-        # XXX this is way too modular to actually work with macros not having any underscores and other magic
-        if ($macro_name =~ /^HOST(\w+)/) {
-            $attr_name = lc $1;
-            #debug("MACRO RESOLVER: found Host attribute '$macro_name'.");
-
-            if (defined($obj->{'__I2CONVERT_HOSTNAME'})) {
-                $host_name = $obj->{'__I2CONVERT_HOSTNAME'};
-                $obj_host = $obj;
-            } else {
-                $host_name = $obj->{'__I2CONVERT_SERVICE_HOSTNAME'};
-                # first grab the according host object (this is a service object)
-                $obj_host = obj_get_host_obj_by_host_name($cfg_obj, $host_name);
-            }
-
-            $macro_value = obj_1x_get_host_attr($cfg_obj, $obj_host, $host_name, $attr_name);
-
-            #debug("MACRO RESOLVER: found $attr_name with value '$macro_value' on " . Dumper($obj_host));
-            return $macro_value;
-        }
-        elsif ($macro_name =~ /^SERVICE(\w+)/) {
-            $attr_name = lc $1;
-
-            # if this is a host object, this macro is invalid! XXX
-            return undef if defined($obj->{'__I2CONVERT_HOSTNAME'});
-
-            #debug("MACRO RESOLVER: found Service attribute '$macro_name'.");
-            $macro_value = obj_1x_get_service_attr($cfg_obj, $obj, $obj->{'__I2CONVERT_SERVICE_HOSTNAME'}, $attr_name);
-
-            #debug("MACRO RESOLVER: found $attr_name with value '$macro_value' on " . Dumper($obj));
-            return $macro_value;
-        }
-        elsif ($macro_name =~ /^CONTACT(\w+)/) {
-            $attr_name = lc $1;
-            # XXX is that possible from command arguments?
-            # http://docs.icinga.org/latest/en/macrolist.html#availabilitychart (NO)
-        }
-    }
-
-    return undef;
-}
-
-sub resolve_macros {
-    my $cfg_obj = shift;
-    my $obj = shift;
-    my $str = shift;
-
-    if ($str =~ /^\$(\w+)\$$/) {
-        return resolve_macro_attribute($cfg_obj, $obj, $1);
-    } else {
-        return $str;
-    }
-}
-
-# convert notification_options to state|type_filter
-sub convert_notification_options_to_filter {
-    my $notification_options = shift;
-    my $filter = ();
-    @{$filter->{'state'}} = ();
-    @{$filter->{'type'}} = ();
-
-    # define all types
-    my $filter_names = {
-        'o' => 'StateFilterOK',
-        'w' => 'StateFilterWarning',
-        'c' => 'StateFilterCritical',
-        'u' => 'StateFilterUnknown',
-        'd' => 'StateFilterCritical', # down, treated as critical
-        's' => 'NotificationFilterDowntimeStart | NotificationFilterDowntimeEnd | NotificationFilterDowntimeRemoved',
-        'r' => 'NotificationFilterRecovery',
-        'f' => 'NotificationFilterFlappingStart | NotificationFilterFlappingEnd'
-    };
-    my $filter_by = {
-        'o' => 'state',
-        'w' => 'state',
-        'c' => 'state',
-        'u' => 'state',
-        'd' => 'state',
-        's' => 'type',
-        'r' => 'type',
-        'f' => 'type'
-    };
-
-    # split the string
-    my @options = str2arr_by_delim_without_excludes($notification_options, ',', 1);
-
-    # verify if there's 'n' (none) and ignore the rest then
-    if (grep /n/, @options) {
-        push @{$filter->{'state'}}, 0;
-        push @{$filter->{'type'}}, 0;
-        return $filter;
-    }
-
-    # recovery requires state up
-    if (grep /r/, @options) {
-        push @{$filter->{'state'}}, 'StateFilterOK';
-    }
-
-    # always add NotificationFilterProblem|Custom
-    push @{$filter->{'type'}}, 'NotificationFilterProblem';
-    push @{$filter->{'type'}}, 'NotificationFilterCustom';
-
-    # verify if there's 'a' (all) and add all filters
-    if (grep /a/, @options) {
-        foreach my $by (keys %{$filter_by}) {
-            push @{$filter->{$filter_by->{$by}}}, $filter_names->{$by};
-        }
-        return $filter;
-    }
-
-    # the selective way
-    foreach my $option (@options) {
-        push @{$filter->{$filter_by->{$option}}}, $filter_names->{$option};
-    }
-
-    return $filter;
-}
-
-# host|service_notification_commands are a comma seperated list w/o arguments
-sub convert_notificationcommand {
-    my $objs_1x = shift;
-    my $commands_1x = shift;
-    my $obj_1x = shift;
-    my $global_macros_1x = shift;
-    my $command_name_1x;
-    my @commands = ();
-    my $notification_commands_2x = ();
-    my $host_notification_commands;
-    my $service_notification_commands;
-
-    # bail early if this is not a valid contact object
-    return undef if (!defined($obj_1x->{'contact_name'}));
-
-    # bail early if required commands not available (not a valid 1.x object either)
-    if (defined($obj_1x->{'host_notification_commands'})) {
-        $host_notification_commands = $obj_1x->{'host_notification_commands'};
-    }
-    else {
-        # look in the template
-        $host_notification_commands = obj_1x_get_contact_attr($objs_1x,$obj_1x,'host_notification_commands');
-    }
-    if (defined($obj_1x->{'service_notification_commands'})) {
-        $service_notification_commands = $obj_1x->{'service_notification_commands'};
-    }
-    else {
-        # look in the template
-        $service_notification_commands = obj_1x_get_contact_attr($objs_1x,$obj_1x,'service_notification_commands');
-    }
-
-
-    # a contact has a comma seperated list of notification commands by host and service
-    my $all_notification_commands = {};
-    push @{$all_notification_commands->{'host'}}, split /,\s+/, $host_notification_commands;
-    push @{$all_notification_commands->{'service'}}, split /,\s+/, $service_notification_commands;
-
-
-    foreach my $obj_notification_command_key ( keys %{$all_notification_commands}) {
-
-        # fetch all command names in array via type key
-        my @notification_commands = @{$all_notification_commands->{$obj_notification_command_key}};
-        my $notification_command_type = $obj_notification_command_key;
-
-        foreach my $notification_command (@notification_commands) {
-
-            # now back in all command objects of 1.x
-            foreach my $command_1x_key (keys %{$commands_1x}) {
-                chomp $notification_command; # remove trailing spaces
-
-                if ($commands_1x->{$command_1x_key}->{'command_name'} eq $notification_command) {
-                    # save the type (host, service) and then by command name
-                    $notification_commands_2x->{$notification_command_type}->{$notification_command} = escape_str($commands_1x->{$command_1x_key}->{'command_line'});
-                    #say Dumper($commands_1x->{$command_1x_key});
-
-                    # flag this 1.x command as being used
-                    $commands_1x->{$command_1x_key}->{__I2_CONVERT_NOTIFICATION_COMMAND_USED} = 1;
-                }
-            }
-
-        }
-    }
-
-    return $notification_commands_2x;
-
-}
-
-# event_handler
-sub convert_eventhandler {
-    my $commands_1x = shift;
-    my $obj_1x = shift;
-    my $global_macros_1x = shift;
-    my $command_name_1x;
-    my @commands = ();
-    my $event_commands_2x = ();
-
-    # bail early if required commands not available (not a valid 1.x object either)
-    return if (!defined($obj_1x->{'event_handler'}));
-
-    my $event_command = $obj_1x->{'event_handler'};
-    #say Dumper($event_command);
-
-    # now back in all command objects of 1.x
-    foreach my $command_1x_key (keys %{$commands_1x}) {
-        chomp $event_command; # remove trailing spaces
-
-        if ($commands_1x->{$command_1x_key}->{'command_name'} eq $event_command) {
-            # save the command line and command name
-            $event_commands_2x->{'command_name'} = $event_command;
-            $event_commands_2x->{'command_line'} = escape_str($commands_1x->{$command_1x_key}->{'command_line'});
-        }
-    }
-
-    return $event_commands_2x;
-
-}
-
-
-# check_command accepts argument parameters, special treatment
-sub convert_checkcommand {
-    my $cfg_obj_1x = shift;
-    my $commands_1x = shift;
-    my $obj_1x = shift; #host or service
-    my $service_hostname = shift;
-    my $global_macros_1x = shift;
-
-    my $command_1x;
-    my $command_2x = {};
-    my $check_command;
-    #say Dumper($commands_1x);
-    #say Dumper($obj_1x);
-
-    # objects without check_command may have it defined in template!
-    if (!defined($obj_1x->{'check_command'})) {
-        # service
-        if (defined($obj_1x->{'__I2CONVERT_SERVICEDESCRIPTION'})) {
-            $check_command = obj_1x_get_service_attr($cfg_obj_1x, $obj_1x, $service_hostname, 'check_command');
-        } else {
-            $check_command = obj_1x_get_host_attr($cfg_obj_1x, $obj_1x, $service_hostname, 'check_command');
-        }
-    } else {
-        $check_command = $obj_1x->{'check_command'};
-    }
-
-    #debug("check_command: $obj_1x->{'check_command'}" );
-    # split by ! and take only the check command
-    my ($real_command_name_1x, @command_args_1x) = split /!/, $check_command;
-
-    # sanitize object name
-    $real_command_name_1x = strip_object_name($real_command_name_1x);
-
-    # ignore objects with empty check_command attribute
-    #return if (!defined($real_command_name_1x));
-
-    #debug("1x Command Name: $real_command_name_1x");
-    if (@command_args_1x) {
-        #debug("1x Command Args: @command_args_1x");
-    }
-
-    foreach my $command_1x_key (keys %{$commands_1x}) {
-
-        #say Dumper($commands_1x->{$command_1x_key}->{'command_name'});
-        if ($commands_1x->{$command_1x_key}->{'command_name'} eq $real_command_name_1x) {
-            #debug("Found: $real_command_name_1x");
-
-            # save the command_line
-            $command_2x->{'check_command'} = escape_str($commands_1x->{$command_1x_key}->{'command_line'});
-            $command_2x->{'check_command_name_1x'} = $real_command_name_1x;
-            #debug("2x Command: $command_2x->{'check_command'}");
-        }
-    }
-
-    return ($command_2x, @command_args_1x);
-}
-
-
-# convert existing 1x objects into the 2x objects hive
-sub migrate_2x {
-# v1 -> v2
-# register 0 == template
-# use == inherits template
-# dependency == ...
-# escalation == ...
-
-    # hashref is selectable by type first
-    my $icinga2_cfg = shift;
-    my $cfg_obj_1x = shift;
-    my $cfg_obj_cache_1x = shift;
-    my $global_macros_1x = shift;
-
-    # build a new hashref with the actual 2.x config inside
-    my $cfg_obj_2x = {};
-
-    my $command_obj_cnt = 0;
-
-    # stats
-    my $count = {};
-    my $count_original_services;
-
-    $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_NAME'} = '__I2CONVERT_COMMAND_DUMMY';
-
-    ######################################
-    # SERVICE
-    # do the magic lookup for host_name/
-    # service_description for each object
-    # only once
-    ######################################
-    my $service_cnt = 0;
-
-    foreach my $service_obj_1x_key (keys %{@$cfg_obj_1x{'service'}}) {
-
-        #say Dumper(@$cfg_obj_1x{'service'}->{$service_obj_1x_key});
-        my $obj_1x_service = @$cfg_obj_1x{'service'}->{$service_obj_1x_key};
-
-        ####################################################
-        # verify template is/use
-        ####################################################
-        $obj_1x_service->{'__I2CONVERT_IS_TEMPLATE'} = obj_1x_is_template($obj_1x_service);
-        $obj_1x_service->{'__I2CONVERT_USES_TEMPLATE'} = obj_1x_uses_template($obj_1x_service);
-        $obj_1x_service->{'__I2CONVERT_TEMPLATE_NAME'} = $obj_1x_service->{'name'};
-
-        # this can be a comma seperated list of templates
-        my @service_templates = ();
-        if(defined($obj_1x_service->{'use'})) {
-            @service_templates = str2arr_by_delim_without_excludes($obj_1x_service->{'use'}, ',', 1);
-        }
-
-        push @{$obj_1x_service->{'__I2CONVERT_TEMPLATE_NAMES'}}, @service_templates;
-
-        # add dependency to ITL template to objects
-        if ($obj_1x_service->{'__I2CONVERT_IS_TEMPLATE'} == 0) {
-            if(defined($icinga2_cfg->{'itl'}->{'service-template'}) && $icinga2_cfg->{'itl'}->{'service-template'} ne "") {
-                push @{$obj_1x_service->{'__I2CONVERT_TEMPLATE_NAMES'}}, $icinga2_cfg->{'itl'}->{'service-template'};
-                $obj_1x_service->{'__I2CONVERT_USES_TEMPLATE'} = 1;
-            }
-        }
-
-        ####################################################
-        # migrate custom attributes
-        ####################################################
-        my $custom = obj_convert_custom_attr_to_custom_hash($obj_1x_service);
-
-        ####################################################
-        # get related host_name/service_description
-        # used later in host->service resolval
-        ####################################################
-        # XXX even if the service object uses templates, we need to figure out its host_name/service_description in order to safely link hosts towards it
-        my @host_names = obj_1x_get_service_host_name_arr($cfg_obj_1x, $obj_1x_service);
-
-        #print "DEBUG: service @host_names\n";
-
-        delete($obj_1x_service->{'__I2CONVERT_HOSTNAMES'});
-        if(@host_names == 0) {
-            # set a dummy value for postprocessing - we need the prepared 2.x service for later object tricks
-            push @host_names, "__I2CONVERT_DUMMY";
-        }
-        push @{$obj_1x_service->{'__I2CONVERT_HOSTNAMES'}}, @host_names;
-
-
-        # if there is more than one host_name involved on the service object, clone it in a loop
-        foreach my $service_host_name (@{$obj_1x_service->{'__I2CONVERT_HOSTNAMES'}}) {
-
-            # we can only look up services with their uniqueness to the host_name
-            $obj_1x_service->{'__I2CONVERT_SERVICEDESCRIPTION'} = obj_1x_get_service_service_description($cfg_obj_1x, $obj_1x_service, $service_host_name);
-            #say Dumper($obj_1x_service);
-
-            # skip non-template objects without a valid service description (we cannot tolerate 'name' here!)
-            # XXX find a better way - we actually need all services in the list, even if __I2CONVERT_SERVICEDESCRIPTION is undef
-            if (!defined($obj_1x_service->{'__I2CONVERT_SERVICEDESCRIPTION'}) && $obj_1x_service->{'__I2CONVERT_IS_TEMPLATE'} == 0) {
-                #debug("Skipping invalid service object without service_description ".Dumper($obj_1x_service));
-                next;
-            }
-
-            ####################################################
-            # clone service object into 2.x
-            ####################################################
-            $cfg_obj_2x->{'service'}->{$service_cnt} = dclone(@$cfg_obj_1x{'service'}->{$service_obj_1x_key});
-
-            # immediately overwrite the correct host_name - if there's no dummy value set for further processing
-            if ($service_host_name !~ /__I2CONVERT_DUMMY/) {
-                $cfg_obj_2x->{'service'}->{$service_cnt}->{__I2CONVERT_SERVICE_HOSTNAME} = $service_host_name;
-            }
-
-            #say Dumper($cfg_obj_2x->{'service'}->{$service_cnt});
-            ####################################################
-            # map existing service attributes
-            # same:
-            # - display_name
-            # - max_check_attempts
-            # - check_period
-            # - notification_period
-            # custom:
-            # - _CV
-            # - action_url
-            # - notes_url
-            # - notes
-            # - icon_image
-            # change:
-            # - servicegroups (commaseperated strings to array)
-            # - check_command
-            # - check_interval (X min -> Xm) + normal_check_interval
-            # - retry_interval (X min -> Xm) + retry_check_interval
-            # - notification_interval (X min -> Xm)
-            # - contacts => users XXX DO NOT DELETE contacts and contactgroups, they will be assembled later for notifications!
-            ####################################################
-
-            ####################################################
-            # migrate custom attributes
-            ####################################################
-            $cfg_obj_2x->{'service'}->{$service_cnt}->{'__I2CONVERT_CUSTOM_ATTR'} = obj_convert_custom_attr_to_custom_hash($cfg_obj_2x->{'service'}->{$service_cnt});
-            #say Dumper($cfg_obj_2x->{'service'}->{$service_cnt}->{'__I2CONVERT_CUSTOM_ATTR'});
-
-            ##########################################
-            # servicegroups
-            ##########################################
-            delete($cfg_obj_2x->{'service'}->{$service_cnt}->{'servicegroups'});
-            # debug #
-            @{$cfg_obj_2x->{'service'}->{$service_cnt}->{'servicegroups'}} = ();
-
-            if(defined($obj_1x_service->{'servicegroups'})) {
-                # check if there's additive inheritance required, and save a flag
-                if ($obj_1x_service->{'servicegroups'} =~ /^\+/) {
-                    $cfg_obj_2x->{'service'}->{$service_cnt}->{'__I2_CONVERT_SG_ADD'} = 1;
-                    $obj_1x_service->{'servicegroups'} =~ s/^\+//;
-                }
-                # convert comma seperated list to array
-                push @{$cfg_obj_2x->{'service'}->{$service_cnt}->{'servicegroups'}}, str2arr_by_delim_without_excludes($obj_1x_service->{'servicegroups'}, ',', 1);
-                #print "DEBUG: servicegroups " . join (" ", @{$cfg_obj_2x->{'service'}->{$service_cnt}->{'servicegroups'}});
-            }
-            #say Dumper($cfg_obj_2x->{'service'}->{$service_cnt}->{__I2CONVERT_SERVICE_HOSTNAME});
-            #say Dumper($cfg_obj_2x->{'service'}->{$service_cnt}->{'servicegroups'});
-
-            ##########################################
-            # check_interval
-            ##########################################
-            my $service_check_interval = undef;
-            if(defined($obj_1x_service->{'normal_check_interval'})) {
-                $service_check_interval = $obj_1x_service->{'normal_check_interval'};
-            }
-            if(defined($obj_1x_service->{'check_interval'})) {
-                $service_check_interval = $obj_1x_service->{'check_interval'};
-            }
-            # we assume that 1.x kept 1m default interval, and map it
-            if (defined($service_check_interval)) {
-                $cfg_obj_2x->{'service'}->{$service_cnt}->{'check_interval'} = $service_check_interval."m";
-            }
-
-            ##########################################
-            # retry_interval
-            ##########################################
-            my $service_retry_interval = undef;
-            if(defined($obj_1x_service->{'retry_check_interval'})) {
-                $service_retry_interval = $obj_1x_service->{'retry_check_interval'};
-            }
-            if(defined($obj_1x_service->{'retry_interval'})) {
-                $service_retry_interval = $obj_1x_service->{'retry_interval'};
-            }
-            # we assume that 1.x kept 1m default interval, and map it
-            if (defined($service_retry_interval)) {
-                $cfg_obj_2x->{'service'}->{$service_cnt}->{'retry_interval'} = $service_retry_interval."m";
-            }
-
-            ##########################################
-            # notification_*
-            ##########################################
-            my $service_notification_interval = undef;
-            if(defined($obj_1x_service->{'notification_interval'})) {
-                $service_notification_interval = $obj_1x_service->{'notification_interval'};
-            } else {
-                $service_notification_interval = obj_1x_get_service_attr($cfg_obj_1x, $obj_1x_service, $service_host_name, 'notification_interval');
-            }
-
-            # we assume that 1.x kept 1m default interval, and map it
-            if (defined($service_notification_interval)) {
-                $cfg_obj_2x->{'service'}->{$service_cnt}->{'notification_interval'} = $service_notification_interval."m";
-            }
-
-            if(defined($obj_1x_service->{'notification_options'})) {
-                $cfg_obj_2x->{'service'}->{$service_cnt}->{'__I2CONVERT_NOTIFICATION_FILTERS'} = convert_notification_options_to_filter($obj_1x_service->{'notification_options'});
-                #say Dumper($cfg_obj_2x->{'service'}->{$service_cnt});
-            } else {
-                # fetch them from template tree for later notification object mapping
-                my $notification_options = obj_1x_get_service_attr($cfg_obj_1x, $obj_1x_service, $service_host_name, 'notification_options');
-                $cfg_obj_2x->{'service'}->{$service_cnt}->{'__I2CONVERT_NOTIFICATION_FILTERS'} = convert_notification_options_to_filter($notification_options);
-            }
-
-            ##########################################
-            # eventhandler
-            ##########################################
-            if (defined($obj_1x_service->{'event_handler'})) {
-
-                my $service_event_command_2x = convert_eventhandler(@$cfg_obj_1x{'command'}, $obj_1x_service, $global_macros_1x);
-                #say Dumper($service_event_command_2x);
-
-                # XXX do not add duplicate event commands, they must remain unique by their check_command origin!
-                my $command_type = 'Event';
-                if (obj_2x_command_exists($cfg_obj_2x, $obj_1x_service->{'event_handler'}, $command_type) != 1) {
-
-                    # create a new EventCommand 2x object with the original name
-                    $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_TYPE'} = 'Event';
-                    $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_NAME'} = $service_event_command_2x->{'command_name'};
-                    $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_LINE'} = $service_event_command_2x->{'command_line'};
-                    $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_MACROS'} = $service_event_command_2x->{'command_macros'};
-
-                    # use the ITL plugin check command template
-                    if(defined($icinga2_cfg->{'itl'}->{'eventcommand-template'}) && $icinga2_cfg->{'itl'}->{'eventcommand-template'} ne "") {
-                        push @{$cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_TEMPLATE_NAMES'}}, $icinga2_cfg->{'itl'}->{'eventcommand-template'};
-                        $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_USES_TEMPLATE'} = 1;
-                    }
-
-                    # our PK
-                    $command_obj_cnt++;
-                }
-
-                # the event_handler name of 1.x is still the unique command object name, so we just keep
-                # in __I2_CONVERT_EVENTCOMMAND_NAME in our service object
-                $cfg_obj_2x->{'service'}->{$service_cnt}->{'__I2_CONVERT_EVENTCOMMAND_NAME'} = $service_event_command_2x->{'command_name'};
-
-            }
-
-
-            ##########################################
-            # volatile is bool only
-            ##########################################
-            if (defined($obj_1x_service->{'is_volatile'})) {
-                $cfg_obj_2x->{'service'}->{$service_cnt}->{'volatile'} = ($obj_1x_service->{'is_volatile'} > 0) ? 1 : 0;
-            }
-
-            ##########################################
-            # map the service check_command to 2.x
-            ##########################################
-            my ($service_check_command_2x, @command_args_1x) = convert_checkcommand($cfg_obj_1x, @$cfg_obj_1x{'command'}, $obj_1x_service, $service_host_name, $global_macros_1x);
-
-            #say Dumper($service_check_command_2x);
-
-            if (defined($service_check_command_2x->{'check_command_name_1x'})) {
-
-                # XXX do not add duplicate check commands, they must remain unique by their check_command origin!
-                my $command_type = 'Check';
-                if (obj_2x_command_exists($cfg_obj_2x, $service_check_command_2x->{'check_command_name_1x'}, $command_type) != 1) {
-
-                    # create a new CheckCommand 2x object with the original name
-                    $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_TYPE'} = 'Check';
-                    $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_NAME'} = $service_check_command_2x->{'check_command_name_1x'};
-                    $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_LINE'} = $service_check_command_2x->{'check_command'};
-                    $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_MACROS'} = $service_check_command_2x->{'command_macros'};
-
-                    # use the ITL plugin check command template
-                    if(defined($icinga2_cfg->{'itl'}->{'checkcommand-template'}) && $icinga2_cfg->{'itl'}->{'checkcommand-template'} ne "") {
-                        push @{$cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_TEMPLATE_NAMES'}}, $icinga2_cfg->{'itl'}->{'checkcommand-template'};
-                        $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_USES_TEMPLATE'} = 1;
-                    }
-
-                    # add the command macros to the service 2x object
-                    if(defined($service_check_command_2x->{'command_macros'})) {
-                        $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_MACROS'} = dclone($service_check_command_2x->{'command_macros'});
-                    }
-
-                    # our PK
-                    $command_obj_cnt++;
-                }
-
-                # make sure service object still got the checkcommand assigned
-                # the check command name of 1.x is still the unique command object name, so we just keep
-                # in $service_check_command_2x->{'check_command'} the cut real check_command_name_1x
-                delete($service_check_command_2x->{'check_command'});
-                $cfg_obj_2x->{'service'}->{$service_cnt}->{'__I2_CONVERT_CHECKCOMMAND_NAME'} = $service_check_command_2x->{'check_command_name_1x'};
-
-            }
-
-            # save all command args as macros
-            my $arg_cnt = 1;
-            foreach my $command_arg_1x (@command_args_1x) {
-                $obj_1x_service->{__I2CONVERT_SERVICE_HOSTNAME} = $service_host_name;
-                my $command_arg_2x = resolve_macros($cfg_obj_1x, $obj_1x_service, $command_arg_1x);
-                $obj_1x_service->{__I2CONVERT_SERVICE_HOSTNAME} = undef;
-
-                @$cfg_obj_2x{'service'}->{$service_cnt}->{'__I2CONVERT_MACROS'}->{"ARG" . $arg_cnt} = escape_str($command_arg_2x);
-                $arg_cnt++;
-            }
-
-            # our PK
-            $service_cnt++;
-        }
-
-    }
-    ######################################
-    # HOST
-    # use => inherit template
-    # register 0 => template
-    # check_command => create a new service?
-    ######################################
-
-    # "get all 'host' hashref as array in hashmap, and their keys to access it"
-    foreach my $host_obj_1x_key (keys %{@$cfg_obj_1x{'host'}}) {
-
-        #say Dumper(@$cfg_obj_1x{'host'}->{$host_obj_1x_key});
-        my $obj_1x_host = @$cfg_obj_1x{'host'}->{$host_obj_1x_key};
-
-        ####################################################
-        # verify template is/use
-        ####################################################
-        $obj_1x_host->{'__I2CONVERT_IS_TEMPLATE'} = obj_1x_is_template($obj_1x_host);
-        $obj_1x_host->{'__I2CONVERT_USES_TEMPLATE'} = obj_1x_uses_template($obj_1x_host);
-        $obj_1x_host->{'__I2CONVERT_TEMPLATE_NAME'} = $obj_1x_host->{'name'};
-
-        # this can be a comma seperated list of templates
-        my @host_templates = ();
-        if(defined($obj_1x_host->{'use'})) {
-            @host_templates = str2arr_by_delim_without_excludes($obj_1x_host->{'use'}, ',', 1);
-        }
-
-        push @{$obj_1x_host->{'__I2CONVERT_TEMPLATE_NAMES'}}, @host_templates;
-
-        ####################################################
-        # get the related host_name
-        ####################################################
-        # XXX even if the host object uses templates, we need to figure out its host_name in order to safely link services towards it
-        $obj_1x_host->{'__I2CONVERT_HOSTNAME'} = obj_1x_get_host_host_name($cfg_obj_1x, $obj_1x_host);
-
-        ####################################################
-        # skip objects without a valid hostname
-        ####################################################
-        if (!defined($obj_1x_host->{'__I2CONVERT_HOSTNAME'}) && $obj_1x_host->{'__I2CONVERT_IS_TEMPLATE'} == 0) {
-            #debug("Skipping invalid host object without host_name ".Dumper($obj_1x_host));
-            next;
-        }
-        #say Dumper($obj_1x_host);
-        #
-
-        # FIXME do that later on
-        # primary host->service relation resolval
-
-        ####################################################
-        # Clone the existing object into 2.x
-        ####################################################
-        # save a copy with the valid ones
-        $cfg_obj_2x->{'host'}->{$host_obj_1x_key} = dclone(@$cfg_obj_1x{'host'}->{$host_obj_1x_key});
-
-        ####################################################
-        # map existing host attributes
-        # same:
-        # - max_check_attempts
-        # - check_period
-        # - notification_period
-        # custom:
-        # - _CVs
-        # - action_url
-        # - notes_url
-        # - notes
-        # - icon_image
-        # - statusmap_image
-        # change:
-        # - display_name (if alias is set, overwrites it)
-        # - hostgroups (commaseperated strings to array)
-        # - check_interval (X min -> Xm) + normal_check_interval
-        # - retry_interval (X min -> Xm) + retry_check_interval
-        # - notification_interval (X min -> Xm)
-        # - contacts => users XXX DO NOT DELETE contacts and contactgroups - they will be assembled later for notifications!
-        # -
-        ####################################################
-
-        ##########################################
-        # macros (address*, etc)
-        ##########################################
-        if(defined($cfg_obj_2x->{'host'}->{$host_obj_1x_key}->{'address'})) {
-            $cfg_obj_2x->{'host'}->{$host_obj_1x_key}->{'__I2CONVERT_MACROS'}->{'address'} = $cfg_obj_2x->{'host'}->{$host_obj_1x_key}->{'address'};
-        }
-        if(defined($cfg_obj_2x->{'host'}->{$host_obj_1x_key}->{'address6'})) {
-            $cfg_obj_2x->{'host'}->{$host_obj_1x_key}->{'__I2CONVERT_MACROS'}->{'address6'} = $cfg_obj_2x->{'host'}->{$host_obj_1x_key}->{'address6'};
-        }
-
-        ####################################################
-        # migrate custom attributes
-        ####################################################
-        $cfg_obj_2x->{'host'}->{$host_obj_1x_key}->{'__I2CONVERT_CUSTOM_ATTR'} = obj_convert_custom_attr_to_custom_hash($cfg_obj_2x->{'host'}->{$host_obj_1x_key});
-
-        ####################################################
-        # display_name -> alias mapping
-        ####################################################
-        # if there was an host alias defined, make this the primary display_name for 2x
-        if(defined($obj_1x_host->{'alias'})) {
-            $cfg_obj_2x->{'host'}->{$host_obj_1x_key}->{'display_name'} = escape_str($obj_1x_host->{'alias'});
-        }
-
-        ##########################################
-        # hostgroups
-        ##########################################
-        delete($cfg_obj_2x->{'host'}->{$host_obj_1x_key}->{'hostgroups'});
-
-        if(defined($obj_1x_host->{'hostgroups'})) {
-            # check if there's additive inheritance required, and save a flag
-            if ($obj_1x_host->{'hostgroups'} =~ /^\+/) {
-                $cfg_obj_2x->{'host'}->{$host_obj_1x_key}->{'__I2_CONVERT_HG_ADD'} = 1;
-                $obj_1x_host->{'hostgroups'} =~ s/^\+//;
-            }
-
-            # convert comma seperated list to array
-            push @{$cfg_obj_2x->{'host'}->{$host_obj_1x_key}->{'hostgroups'}}, str2arr_by_delim_without_excludes($obj_1x_host->{'hostgroups'}, ',', 1);
-            #print "DEBUG: hostgroups " . join (" ", @{$cfg_obj_2x->{'host'}->{$host_obj_1x_key}->{'hostgroups'}});
-        }
-
-        ##########################################
-        # check_interval
-        ##########################################
-        my $host_check_interval = undef;
-        if(defined($obj_1x_host->{'normal_check_interval'})) {
-            $host_check_interval = $obj_1x_host->{'normal_check_interval'};
-        }
-        if(defined($obj_1x_host->{'check_interval'})) {
-            $host_check_interval = $obj_1x_host->{'check_interval'};
-        }
-        # we assume that 1.x kept 1m default interval, and map it
-        if (defined($host_check_interval)) {
-            $cfg_obj_2x->{'host'}->{$host_obj_1x_key}->{'check_interval'} = $host_check_interval."m";
-        }
-
-        ##########################################
-        # retry_interval
-        ##########################################
-        my $host_retry_interval = undef;
-        if(defined($obj_1x_host->{'retry_check_interval'})) {
-            $host_retry_interval = $obj_1x_host->{'retry_check_interval'};
-        }
-        if(defined($obj_1x_host->{'retry_interval'})) {
-            $host_retry_interval = $obj_1x_host->{'retry_interval'};
-        }
-        # we assume that 1.x kept 1m default interval, and map it
-        if (defined($host_retry_interval)) {
-            $cfg_obj_2x->{'host'}->{$host_obj_1x_key}->{'retry_interval'} = $host_retry_interval."m";
-        }
-
-        ##########################################
-        # notification_interval
-        ##########################################
-        my $host_notification_interval = undef;
-        if(defined($obj_1x_host->{'notification_interval'})) {
-            $host_notification_interval = $obj_1x_host->{'notification_interval'};
-        } else {
-            $host_notification_interval = obj_1x_get_host_attr($cfg_obj_1x, $obj_1x_host, 'notification_interval');
-        }
-
-        # we assume that 1.x kept 1m default interval, and map it
-        if (defined($host_notification_interval)) {
-            $cfg_obj_2x->{'host'}->{$host_obj_1x_key}->{'notification_interval'} = $host_notification_interval."m";
-        }
-
-        if(defined($obj_1x_host->{'notification_options'})) {
-            $cfg_obj_2x->{'host'}->{$host_obj_1x_key}->{'__I2CONVERT_NOTIFICATION_FILTERS'} = convert_notification_options_to_filter($obj_1x_host->{'notification_options'});
-            #say Dumper($cfg_obj_2x->{'host'}->{$host_obj_1x_key});
-        } else {
-            # fetch them from template tree for later notification object mapping
-            my $notification_options = obj_1x_get_host_attr($cfg_obj_1x, $obj_1x_host, 'notification_options');
-            $cfg_obj_2x->{'host'}->{$host_obj_1x_key}->{'__I2CONVERT_NOTIFICATION_FILTERS'} = convert_notification_options_to_filter($notification_options);
-        }
-
-        if(defined($obj_1x_host->{'parents'})) {
-            my @host_parents = str2arr_by_delim_without_excludes($obj_1x_host->{'parents'}, ',', 1);
-            push @{$cfg_obj_2x->{'host'}->{$host_obj_1x_key}->{'__I2CONVERT_PARENT_HOSTNAMES'}}, @host_parents;
-        }
-        ####################################################
-        # Icinga 2 Hosts don't have a check_command anymore
-        # - get a similar service with command_name lookup
-        #   and link that service
-        ####################################################
-
-        my ($host_check_command_2x, @command_args_1x) = convert_checkcommand($cfg_obj_1x, @$cfg_obj_1x{'command'}, $obj_1x_host, $obj_1x_host->{'__I2CONVERT_HOSTNAME'}, $global_macros_1x);
-        #say Dumper($host_check_command_2x);
-
-        if(defined($host_check_command_2x->{'check_command_name_1x'})) {
-            # XXX TODO match on the command_name in available services for _this_ host later on. right on, just save it
-            $cfg_obj_2x->{'host'}->{$host_obj_1x_key}->{'__I2CONVERT_HOSTCHECK_NAME'} = $host_check_command_2x->{'check_command_name_1x'};
-        }
-
-        # XXX skip all host templates, they do not need to be linked with services!
-        #if ($cfg_obj_2x->{'host'}->{$host_obj_1x_key}->{'__I2CONVERT_IS_TEMPLATE'} == 1) {
-        #    debug("Skipping host template for linking against service.");
-        #    next;
-        #}
-
-        # NOTE: the relation between host and services for 2x will be done later
-        # this is due to the reason we may manipulate service objects later
-        # e.g. when relinking the servicegroup members, etc
-        # otherwise we would have to make sure to update 2 locations everytime
-    }
-
-    ######################################
-    # CONTACT => USER
-    ######################################
-    my $user_cnt = 0;
-
-    if (!@$cfg_obj_1x{'contact'}) {
-        goto SKIP_CONTACTS;
-    }
-
-    foreach my $contact_obj_1x_key (keys %{@$cfg_obj_1x{'contact'}}) {
-        my $obj_1x_contact = @$cfg_obj_1x{'contact'}->{$contact_obj_1x_key};
-
-        ####################################################
-        # verify template is/use
-        ####################################################
-        $obj_1x_contact->{'__I2CONVERT_IS_TEMPLATE'} = obj_1x_is_template($obj_1x_contact);
-        $obj_1x_contact->{'__I2CONVERT_USES_TEMPLATE'} = obj_1x_uses_template($obj_1x_contact);
-        $obj_1x_contact->{'__I2CONVERT_TEMPLATE_NAME'} = $obj_1x_contact->{'name'}; # XXX makes sense when IS_TEMPLATE is set
-
-        # this can be a comma seperated list of templates
-        my @contact_templates = ();
-        if(defined($obj_1x_contact->{'use'})) {
-            @contact_templates = str2arr_by_delim_without_excludes($obj_1x_contact->{'use'}, ',', 1);
-        }
-
-        push @{$obj_1x_contact->{'__I2CONVERT_TEMPLATE_NAMES'}}, @contact_templates;
-
-        ####################################################
-        # get all notification commands
-        ####################################################
-        my $notification_commands_2x = convert_notificationcommand($cfg_obj_1x, @$cfg_obj_1x{'command'}, $obj_1x_contact, $global_macros_1x);
-        #say Dumper($obj_1x_contact);
-        #say Dumper($notification_commands_2x);
-        #say Dumper("======================================");
-
-        # clone it into our users hash
-        $cfg_obj_2x->{'user'}->{$contact_obj_1x_key} = dclone(@$cfg_obj_1x{'contact'}->{$contact_obj_1x_key});
-
-        # set our own __I2CONVERT_TYPE
-        $cfg_obj_2x->{'user'}->{$contact_obj_1x_key}->{'__I2CONVERT_TYPE'} = "user";
-
-        ##########################################
-        # macros (email, pager, address1..6)
-        ##########################################
-        if(defined($obj_1x_contact->{'email'})) {
-            $cfg_obj_2x->{'user'}->{$contact_obj_1x_key}->{'__I2CONVERT_MACROS'}->{'email'} = $obj_1x_contact->{'email'};
-        }
-        if(defined($obj_1x_contact->{'pager'})) {
-            $cfg_obj_2x->{'user'}->{$contact_obj_1x_key}->{'__I2CONVERT_MACROS'}->{'pager'} = $obj_1x_contact->{'pager'};
-        }
-        for(my $i=1;$i<=6;$i++) {
-            my $address = "address$i";
-            if(defined($obj_1x_contact->{$address})) {
-                $cfg_obj_2x->{'user'}->{$contact_obj_1x_key}->{'__I2CONVERT_MACROS'}->{$address} = $obj_1x_contact->{$address};
-            }
-        }
-
-        ##########################################
-        # notification_options (service only XXX)
-        ##########################################
-        if(defined($obj_1x_contact->{'service_notification_options'})) {
-            $cfg_obj_2x->{'user'}->{$contact_obj_1x_key}->{'__I2CONVERT_NOTIFICATION_FILTERS'} = convert_notification_options_to_filter($obj_1x_contact->{'service_notification_options'});
-        }
-
-        ####################################################
-        # migrate renamed attributes
-        ####################################################
-        $cfg_obj_2x->{'user'}->{$contact_obj_1x_key}->{'user_name'} = $obj_1x_contact->{'contact_name'};
-
-        if(defined($obj_1x_contact->{'alias'})) {
-            $cfg_obj_2x->{'user'}->{$contact_obj_1x_key}->{'display_name'} = escape_str($obj_1x_contact->{'alias'});
-        }
-
-        delete($cfg_obj_2x->{'user'}->{$contact_obj_1x_key}->{'usergroups'});
-        if(defined($obj_1x_contact->{'contactgroups'})) {
-
-            # check if there's additive inheritance required, and save a flag
-            if ($obj_1x_contact->{'contactgroups'} =~ /^\+/) {
-                $cfg_obj_2x->{'user'}->{$contact_obj_1x_key}->{'__I2_CONVERT_UG_ADD'} = 1;
-                $obj_1x_contact->{'contactgroups'} =~ s/^\+//;
-            }
-
-            push @{$cfg_obj_2x->{'user'}->{$contact_obj_1x_key}->{'usergroups'}}, str2arr_by_delim_without_excludes($obj_1x_contact->{'contactgroups'}, ',', 1);
-            #print "DEBUG: usergroups " . join (" ", @{$cfg_obj_2x->{'user'}->{$contact_obj_1x_key}->{'usergroups'}});
-        }
-
-
-        # we need to rebuild that notification logic entirely for 2.x
-        # do that later when all objects are processed and prepared (all relations?)
-        #say Dumper($notification_commands_2x);
-        $cfg_obj_2x->{'user'}->{$contact_obj_1x_key}->{'__I2CONVERT_NOTIFICATION_COMMANDS'} = $notification_commands_2x;
-    }
-
-    SKIP_CONTACTS:
-
-    ######################################
-    # GROUPS
-    ######################################
-
-    if (!@$cfg_obj_1x{'hostgroup'}) {
-        goto SKIP_HOSTGROUPS;
-    }
-
-    # host->hostgroups and hostgroup-members relinked together
-    foreach my $hostgroup_obj_1x_key (keys %{@$cfg_obj_1x{'hostgroup'}}) {
-        my $obj_1x_hostgroup = @$cfg_obj_1x{'hostgroup'}->{$hostgroup_obj_1x_key};
-        # clone it into our hash
-        $cfg_obj_2x->{'hostgroup'}->{$hostgroup_obj_1x_key} = dclone(@$cfg_obj_1x{'hostgroup'}->{$hostgroup_obj_1x_key});
-
-        if(defined($obj_1x_hostgroup->{'alias'})) {
-            $cfg_obj_2x->{'hostgroup'}->{$hostgroup_obj_1x_key}->{'display_name'} = escape_str($obj_1x_hostgroup->{'alias'});
-        }
-
-        ####################################################
-        # check if host_groupname exists, if not, try to copy it from 'name' (no template inheritance possible in groups!)
-        ####################################################
-        if(!defined($obj_1x_hostgroup->{'hostgroup_name'})) {
-            if(defined($obj_1x_hostgroup->{'name'})) {
-                $cfg_obj_2x->{'hostgroup'}->{$hostgroup_obj_1x_key}->{'hostgroup_name'} = $obj_1x_hostgroup->{'name'};
-            }
-        }
-
-        ####################################################
-        # migrate custom attributes
-        ####################################################
-        $cfg_obj_2x->{'hostgroup'}->{$hostgroup_obj_1x_key}->{'__I2CONVERT_CUSTOM_ATTR'} = obj_convert_custom_attr_to_custom_hash($cfg_obj_2x->{'hostgroup'}->{$hostgroup_obj_1x_key});
-
-        ####################################################
-        # check if there are members defined, we must re-link them in their host object again
-        ####################################################
-        if(defined($obj_1x_hostgroup->{'members'})) {
-
-            my @hg_members = ();
-            # check if members is a wildcard, or a possible comma seperated list
-            # using object tricks - http://docs.icinga.org/latest/en/objecttricks.html#objecttricks-service
-            # XXX better create a master template where all hosts inherit from, and use additive hostgroups attribute
-            if ($obj_1x_hostgroup->{'members'} =~ /^\*$/) {
-                @hg_members = obj_1x_get_all_hostnames_arr($cfg_obj_2x);
-            } else {
-                @hg_members = str2arr_by_delim_without_excludes($obj_1x_hostgroup->{'members'}, ',', 1);
-            }
-
-            foreach my $hg_member (@hg_members) {
-                my $obj_2x_hg_member = obj_get_host_obj_by_host_name($cfg_obj_2x, $hg_member);
-                #print "DEBUG: $hg_member found.\n";
-                push @{$obj_2x_hg_member->{'hostgroups'}}, $obj_1x_hostgroup->{'hostgroup_name'};
-            }
-        }
-    }
-
-    SKIP_HOSTGROUPS:
-
-    if (!@$cfg_obj_1x{'servicegroup'}) {
-        goto SKIP_SERVICEGROUPS;
-    }
-
-    # service->servicegroups and servicegroup->members relinked together
-    foreach my $servicegroup_obj_1x_key (keys %{@$cfg_obj_1x{'servicegroup'}}) {
-        my $obj_1x_servicegroup = @$cfg_obj_1x{'servicegroup'}->{$servicegroup_obj_1x_key};
-        # clone it into our hash
-        $cfg_obj_2x->{'servicegroup'}->{$servicegroup_obj_1x_key} = dclone(@$cfg_obj_1x{'servicegroup'}->{$servicegroup_obj_1x_key});
-
-        if(defined($obj_1x_servicegroup->{'alias'})) {
-            $cfg_obj_2x->{'servicegroup'}->{$servicegroup_obj_1x_key}->{'display_name'} = escape_str($obj_1x_servicegroup->{'alias'});
-        }
-
-        ####################################################
-        # check if service_groupname exists, if not, try to copy it from 'name' (no template inheritance possible in groups!)
-        ####################################################
-        if(!defined($obj_1x_servicegroup->{'servicegroup_name'})) {
-            if(defined($obj_1x_servicegroup->{'name'})) {
-                $cfg_obj_2x->{'servicegroup'}->{$servicegroup_obj_1x_key}->{'servicegroup_name'} = $obj_1x_servicegroup->{'name'};
-            }
-        }
-
-        ####################################################
-        # migrate custom attributes
-        ####################################################
-        $cfg_obj_2x->{'servicegroup'}->{$servicegroup_obj_1x_key}->{'__I2CONVERT_CUSTOM_ATTR'} = obj_convert_custom_attr_to_custom_hash($cfg_obj_2x->{'servicegroup'}->{$servicegroup_obj_1x_key});
-
-        ####################################################
-        # check if there are members defined, we must re-link them in their service object again
-        ####################################################
-        if(defined($obj_1x_servicegroup->{'members'})) {
-
-            # host1,svc1,host2,svc2 is just an insane way of parsing stuff - do NOT sort here.
-            my @sg_members = str2arr_by_delim_without_excludes($obj_1x_servicegroup->{'members'}, ',', 0);
-            # just some safety for debugging
-            if(@sg_members % 2 != 0) {
-                debug("servicegroup $obj_1x_servicegroup->{'servicegroup_name'} members list not even: $obj_1x_servicegroup->{'members'}");
-            }
-            #print "DEBUG: $obj_1x_servicegroup->{'servicegroup_name'}: @sg_members\n";
-            my $obj_2x_sg_member;
-            while (scalar(@sg_members) > 0) {
-                my $sg_member_host = shift(@sg_members);
-                my $sg_member_service = shift(@sg_members);
-                #print "DEBUG: Looking for $obj_1x_servicegroup->{'servicegroup_name'}: $sg_member_host/$sg_member_service\n";
-                # since we require the previously looked up unique hostname/service_description, we use the new values in 2x objects (__I2CONVERT_...)
-                my $obj_2x_sg_member = obj_get_service_obj_by_host_name_service_description($cfg_obj_2x, "__I2CONVERT_SERVICE_HOSTNAME", "__I2CONVERT_SERVICEDESCRIPTION", $sg_member_host, $sg_member_service);
-                #print "DEBUG: $sg_member_host,$sg_member_service found.\n";
-                push @{$obj_2x_sg_member->{'servicegroups'}}, $obj_1x_servicegroup->{'servicegroup_name'};
-            }
-            #say Dumper($cfg_obj_2x->{'service'});
-        }
-    }
-
-    SKIP_SERVICEGROUPS:
-
-    if (!@$cfg_obj_1x{'contactgroup'}) {
-        goto SKIP_CONTACTGROUPS;
-    }
-
-    # contact->contactgroups and contactgroup->members relinked together
-    foreach my $contactgroup_obj_1x_key (keys %{@$cfg_obj_1x{'contactgroup'}}) {
-        my $obj_1x_contactgroup = @$cfg_obj_1x{'contactgroup'}->{$contactgroup_obj_1x_key};
-        # clone it into our hash
-        $cfg_obj_2x->{'usergroup'}->{$contactgroup_obj_1x_key} = dclone(@$cfg_obj_1x{'contactgroup'}->{$contactgroup_obj_1x_key});
-        $cfg_obj_2x->{'usergroup'}->{$contactgroup_obj_1x_key}->{'__I2CONVERT_TYPE'} = "usergroup";
-
-        ####################################################
-        # migrate renamed attributes
-        ####################################################
-        $cfg_obj_2x->{'usergroup'}->{$contactgroup_obj_1x_key}->{'usergroup_name'} = $obj_1x_contactgroup->{'contactgroup_name'};
-
-        if(defined($obj_1x_contactgroup->{'alias'})) {
-            $cfg_obj_2x->{'usergroup'}->{$contactgroup_obj_1x_key}->{'display_name'} = escape_str($obj_1x_contactgroup->{'alias'});
-        }
-
-        ####################################################
-        # check if contact_groupname exists, if not, try to copy it from 'name' (no template inheritance possible in groups!)
-        ####################################################
-        if(!defined($obj_1x_contactgroup->{'contactgroup_name'})) {
-            if(defined($obj_1x_contactgroup->{'name'})) {
-                $cfg_obj_2x->{'usergroup'}->{$contactgroup_obj_1x_key}->{'usergroup_name'} = $obj_1x_contactgroup->{'name'};
-            }
-        }
-
-        ####################################################
-        # migrate custom attributes
-        ####################################################
-        $cfg_obj_2x->{'usergroup'}->{$contactgroup_obj_1x_key}->{'__I2CONVERT_CUSTOM_ATTR'} = obj_convert_custom_attr_to_custom_hash($cfg_obj_2x->{'usergroup'}->{$contactgroup_obj_1x_key});
-
-        ####################################################
-        # check if there are members defined, we must re-link them in their host object again
-        ####################################################
-        if(defined($obj_1x_contactgroup->{'members'})) {
-            my @cg_members = str2arr_by_delim_without_excludes($obj_1x_contactgroup->{'members'}, ',', 1);
-            foreach my $cg_member (@cg_members) {
-                my $obj_2x_cg_member = obj_get_contact_obj_by_contact_name($cfg_obj_2x, "user", "user_name", $cg_member);
-                #print "DEBUG: $cg_member found.\n";
-                push @{$obj_2x_cg_member->{'usergroups'}}, $obj_1x_contactgroup->{'contactgroup_name'};
-            }
-        }
-    }
-
-    SKIP_CONTACTGROUPS:
-
-    ######################################
-    # TIMEPERIODS
-    ######################################
-
-    if (!@$cfg_obj_1x{'timeperiod'}) {
-        goto SKIP_TIMEPERIODS;
-    }
-
-    foreach my $timeperiod_obj_1x_key (keys %{@$cfg_obj_1x{'timeperiod'}}) {
-        my $obj_1x_timeperiod = @$cfg_obj_1x{'timeperiod'}->{$timeperiod_obj_1x_key};
-        # clone it into our hash
-        $cfg_obj_2x->{'timeperiod'}->{$timeperiod_obj_1x_key} = dclone(@$cfg_obj_1x{'timeperiod'}->{$timeperiod_obj_1x_key});
-
-        ####################################################
-        # add dependency to ITL template to objects
-        ####################################################
-        if(defined($icinga2_cfg->{'itl'}->{'timeperiod-template'}) && $icinga2_cfg->{'itl'}->{'timeperiod-template'} ne "") {
-            push @{$cfg_obj_2x->{'timeperiod'}->{$timeperiod_obj_1x_key}->{'__I2CONVERT_TEMPLATE_NAMES'}}, $icinga2_cfg->{'itl'}->{'timeperiod-template'};
-            $cfg_obj_2x->{'timeperiod'}->{$timeperiod_obj_1x_key}->{'__I2CONVERT_USES_TEMPLATE'} = 1;
-        }
-
-        ####################################################
-        # display_name -> alias mapping
-        ####################################################
-        # if there was a timeperiod alias defined, make this the primary display_name for 2x
-        if(defined($obj_1x_timeperiod->{'alias'})) {
-            $cfg_obj_2x->{'timeperiod'}->{$timeperiod_obj_1x_key}->{'display_name'} = escape_str($obj_1x_timeperiod->{'alias'});
-            delete($cfg_obj_2x->{'timeperiod'}->{$timeperiod_obj_1x_key}->{'alias'});
-        }
-
-    }
-
-    SKIP_TIMEPERIODS:
-
-    ######################################
-    # DEPENDENCIES
-    ######################################
-
-    if (!@$cfg_obj_1x{'hostdependency'}) {
-        goto SKIP_HOSTDEPS;
-    }
-
-    foreach my $hostdependency_obj_1x_key (keys %{@$cfg_obj_1x{'hostdependency'}}) {
-        my $obj_1x_hostdependency = @$cfg_obj_1x{'hostdependency'}->{$hostdependency_obj_1x_key};
-        # clone it into our hash
-        $cfg_obj_2x->{'hostdependency'}->{$hostdependency_obj_1x_key} = dclone(@$cfg_obj_1x{'hostdependency'}->{$hostdependency_obj_1x_key});
-
-        # 1. the single host_name entries
-        # host_name is the master host (comma seperated list)
-        # dependent_host_name is the child host (comma seperated list)
-        my @master_host_names = str2arr_by_delim_without_excludes($obj_1x_hostdependency->{'host_name'}, ',', 1);
-        my @child_host_names = str2arr_by_delim_without_excludes($obj_1x_hostdependency->{'dependent_host_name'}, ',', 1);
-
-        # go through all child hosts, and push to the parents array
-        foreach my $child_host_name (@child_host_names) {
-            my $child_host_obj = obj_get_host_obj_by_host_name($cfg_obj_2x, $child_host_name);
-
-            push @{$child_host_obj->{'__I2CONVERT_PARENT_HOSTNAMES'}}, @master_host_names;
-        }
-
-        # 2. the infamous group logic - let's loop because we're cool
-        my @master_hostgroup_names = str2arr_by_delim_without_excludes($obj_1x_hostdependency->{'hostgroup_name'}, ',', 1);
-        my @child_hostgroup_names = str2arr_by_delim_without_excludes($obj_1x_hostdependency->{'dependent_hostgroup_name'}, ',', 1);
-
-        my @all_master_hostgroup_hostnames = ();
-
-        # get all hosts as array for the master host groups
-        foreach my $master_hostgroup_name (@master_hostgroup_names) {
-            my @host_master_hostgroup_hostnames = obj_get_hostnames_arr_by_hostgroup_name($cfg_obj_2x, $master_hostgroup_name);
-            push @all_master_hostgroup_hostnames, @host_master_hostgroup_hostnames;
-        }
-
-        # go through all child hostgroups and fetch their host objects, setting
-        foreach my $child_hostgroup_name (@child_hostgroup_names) {
-            my @host_child_hostgroup_hostnames = obj_get_hostnames_arr_by_hostgroup_name($cfg_obj_2x, $child_hostgroup_name);
-            foreach my $host_child_hostgroup_hostname (@host_child_hostgroup_hostnames) {
-                my $child_host_obj = obj_get_host_obj_by_host_name($cfg_obj_2x, $host_child_hostgroup_hostname);
-                push @{$child_host_obj->{'__I2CONVERT_PARENT_HOSTNAMES'}}, @all_master_hostgroup_hostnames;
-            }
-        }
-    }
-
-    # XXX ugly but works
-    SKIP_HOSTDEPS:
-
-    if (!@$cfg_obj_1x{'servicedependency'}) {
-        goto SKIP_SVCDEPS;
-    }
-
-    foreach my $servicedependency_obj_1x_key (keys %{@$cfg_obj_1x{'servicedependency'}}) {
-        my $obj_1x_servicedependency = @$cfg_obj_1x{'servicedependency'}->{$servicedependency_obj_1x_key};
-        # clone it into our hash
-        $cfg_obj_2x->{'servicedependency'}->{$servicedependency_obj_1x_key} = dclone(@$cfg_obj_1x{'servicedependency'}->{$servicedependency_obj_1x_key});
-
-        # 1. the single host_name / service_description entries
-        # service_description is a string, while the host_name directive is still a comma seperated list
-        my @master_host_names = str2arr_by_delim_without_excludes($obj_1x_servicedependency->{'host_name'}, ',', 1);
-        my @child_host_names = str2arr_by_delim_without_excludes($obj_1x_servicedependency->{'dependent_host_name'}, ',', 1);
-
-        my $master_service_description = $obj_1x_servicedependency->{'service_description'};
-        my $child_service_description = $obj_1x_servicedependency->{'dependent_service_description'};
-
-        # XXX object tricks allow more here
-        # - comma seperated list of service descriptions on a single *host_name
-        # - wildcard * for all services on a single *host_name
-
-        # go through all child hosts, and get the service object by host_name and our single service_description
-        foreach my $child_host_name (@child_host_names) {
-            my $child_service_obj = obj_get_service_obj_by_host_name_service_description($cfg_obj_2x, "__I2CONVERT_SERVICE_HOSTNAME", "__I2CONVERT_SERVICEDESCRIPTION", $child_host_name, $child_service_description);
-            # stash all master dependencies onto the child service
-            foreach my $master_host_name (@master_host_names) {
-                # use some calculated unique key here (no, i will not split the string later! we are perl, we can do hashes)
-                my $master_key = $master_host_name."-".$master_service_description;
-                $child_service_obj->{'__I2CONVERT_PARENT_SERVICES'}->{$master_key}->{'host'} = $master_host_name;
-                $child_service_obj->{'__I2CONVERT_PARENT_SERVICES'}->{$master_key}->{'service'} = $master_service_description;
-            }
-        }
-
-        # 2. the infamous group logic - but only for hostgroups here
-        my @master_hostgroup_names = str2arr_by_delim_without_excludes($obj_1x_servicedependency->{'hostgroup_name'}, ',', 1);
-        my @child_hostgroup_names = str2arr_by_delim_without_excludes($obj_1x_servicedependency->{'dependent_hostgroup_name'}, ',', 1);
-
-        my @all_master_hostgroup_hostnames = ();
-
-        # get all hosts as array for the master host groups
-        foreach my $master_hostgroup_name (@master_hostgroup_names) {
-            my @host_master_hostgroup_hostnames = obj_get_hostnames_arr_by_hostgroup_name($cfg_obj_2x, $master_hostgroup_name);
-            push @all_master_hostgroup_hostnames, @host_master_hostgroup_hostnames;
-        }
-
-        #say Dumper($obj_1x_servicedependency);
-        #say " DEBUG: all master hg hostnames: ".Dumper(@all_master_hostgroup_hostnames);
-
-        # go through all child hostgroups and fetch their host objects, setting
-        foreach my $child_hostgroup_name (@child_hostgroup_names) {
-            my @host_child_hostgroup_hostnames = obj_get_hostnames_arr_by_hostgroup_name($cfg_obj_2x, $child_hostgroup_name); # child hostgroup members
-            #say " DEBUG: child hg hostnames: ".Dumper(@host_child_hostgroup_hostnames);
-
-            foreach my $host_child_hostgroup_hostname (@host_child_hostgroup_hostnames) {
-                my $child_service_obj = obj_get_service_obj_by_host_name_service_description($cfg_obj_2x, "__I2CONVERT_SERVICE_HOSTNAME", "__I2CONVERT_SERVICEDESCRIPTION", $host_child_hostgroup_hostname, $child_service_description);
-
-                # now loop through all master hostgroups and get their hosts
-                foreach my $master_hostgroup_name (@master_hostgroup_names) {
-                    my @host_master_hostgroup_names = obj_get_hostnames_arr_by_hostgroup_name($cfg_obj_2x, $master_hostgroup_name); # master hostgroup members
-                    foreach my $host_master_hostgroup_hostname (@host_master_hostgroup_names) {
-
-                        # use some calculated unique key here (no, i will not split the string later! we are perl, we can do hashes)
-                        my $master_key = $host_master_hostgroup_hostname."-".$master_service_description;
-                        $child_service_obj->{'__I2CONVERT_PARENT_SERVICES'}->{$master_key}->{'host'} = $host_master_hostgroup_hostname; # XXX 5th foreach. awesome!
-                        $child_service_obj->{'__I2CONVERT_PARENT_SERVICES'}->{$master_key}->{'service'} = $master_service_description;
-                    }
-                }
-
-            }
-        }
-    }
-
-    # XXX ugly but works
-    SKIP_SVCDEPS:
-
-    ######################################
-    # SERVICE->HG<-HOSTMEMBERS MAGIC
-    # we've skipped services without
-    # host_name before, now deal with them
-    # hostgroups have been prepared with
-    # all their members too (!!)
-    # we're working on 2.x objects now
-    ######################################
-
-    # get the max key for hosts (required for adding more)
-    my $obj_2x_hosts_cnt = (reverse sort {$a <=> $b} (keys %{@$cfg_obj_2x{'host'}}))[0];
-    #print "FOO: $obj_2x_hosts_cnt\n";
-
-    my $obj_2x_services_hg = {};
-
-    # filter all services with a hostgroup_name into smaller list
-    foreach my $service_obj_2x_key (keys %{@$cfg_obj_2x{'service'}}) {
-
-        my $obj_2x_service = @$cfg_obj_2x{'service'}->{$service_obj_2x_key};
-
-        #print "DEBUG: now checking $obj_2x_service->{'service_description'}...\n";
-        # skip all services which already got a host_name? which one wins here? XXX
-
-        # skip all services without hostgroup_name
-        next if(!defined($obj_2x_service->{'hostgroup_name'}));
-
-        # XXX object tricks allow to use a comma seperated list of hostgroup_names!
-        # http://docs.icinga.org/latest/en/objecttricks.html
-        my @hostgroup_names = str2arr_by_delim_without_excludes($obj_2x_service->{'hostgroup_name'}, ',', 1);
-
-        foreach my $hostgroup_name (@hostgroup_names) {
-            # we need to save all services first, but our new key is the hostgroupname
-            # so that we can create multiple services for a single hosthg template later on
-            push @{$obj_2x_services_hg->{$hostgroup_name}}, $service_obj_2x_key;
-        }
-    }
-
-    # now loop over all hostgroups with service relations
-    foreach my $service_hg_obj_2x_key (keys %{$obj_2x_services_hg}) {
-
-        #say Dumper($obj_2x_services_hg);
-
-        # get the stored unique key to our services
-        my $hg_name = $service_hg_obj_2x_key;
-        my @service_keys = @{$obj_2x_services_hg->{$hg_name}};
-
-        #print "DEBUG: Looking for $hg_name ...\n";
-
-        my $obj_2x_hostgroup = obj_get_hostgroup_obj_by_hostgroup_name($cfg_obj_2x, $hg_name);
-
-        if(!defined($obj_2x_hostgroup)) {
-            # no hostgroup defined?
-        }
-
-        # we now need all host names for this hostgroup name, as an array
-
-        my @service_hostgroup_hostnames = obj_get_hostnames_arr_by_hostgroup_name($cfg_obj_2x, $hg_name);
-
-        if(@service_hostgroup_hostnames == 0) {
-            # no members, so service cannot be linked. log a warning XXX
-            #print " DEBUG: no members found, skipping $hg_name\n";
-            next;
-        }
-
-        # we've got:
-        # * n services linked to hostgroups,
-        # * a hostgroup
-        # * an array of hosts as hostgroup members
-        # we'll create:
-        # * n service templates,
-        # * a hg-host template referencing the service templates,
-        # * host objects inheriting from it
-        #
-        my $svc_count = 0;
-
-        # create a host template with hgname-group
-        my $obj_2x_host_template;
-        $obj_2x_host_template->{'__I2CONVERT_IS_TEMPLATE'} = 1;
-        $obj_2x_host_template->{'__I2CONVERT_TEMPLATE_NAME'} = $obj_2x_hostgroup->{'hostgroup_name'}."-group"; # XXX hardcode it for now
-
-        # loop through all services and attach them to the host template
-        foreach my $service_obj_2x_key_val (@service_keys) {
-
-            #print "DEBUG: Working on $service_obj_2x_key_val ...\n";
-            # get the service object by key
-            my $obj_2x_service = @$cfg_obj_2x{'service'}->{$service_obj_2x_key_val};
-
-            # set the service as template.
-            $obj_2x_service->{'__I2CONVERT_IS_TEMPLATE'} = 1;
-            $obj_2x_service->{'__I2CONVERT_TEMPLATE_NAME'} = $obj_2x_service->{'service_description'}."-group-".$svc_count; # XXX hardcode it for now
-
-            # create a dummy service inheriting the service template
-            my $obj_2x_service_inherit;
-            $obj_2x_service_inherit->{__I2CONVERT_USES_TEMPLATE} = 1;
-            push @{$obj_2x_service_inherit->{'__I2CONVERT_TEMPLATE_NAMES'}}, $obj_2x_service->{'__I2CONVERT_TEMPLATE_NAME'};
-            $obj_2x_service_inherit->{'service_description'} = $obj_2x_service->{'service_description'};
-            $obj_2x_service_inherit->{'__I2CONVERT_SERVICEDESCRIPTION'} = $obj_2x_service->{'service_description'};
-
-            # link the service inherit to the host template
-            $obj_2x_host_template->{'SERVICE'}->{$svc_count} = $obj_2x_service_inherit;
-
-            $svc_count++;
-        }
-
-        # all host objects on the hostgroup members will get the host hg template name pushed into their array
-        foreach my $hostgroup_member_host_name (@service_hostgroup_hostnames) {
-            # get the host obj
-            my $obj_2x_host = obj_get_host_obj_by_host_name($cfg_obj_2x, $hostgroup_member_host_name); # this is a reference in memory, not a copy!
-
-            # push the template used
-            # (override __I2CONVERT_USES_TEMPLATE too)
-            $obj_2x_host->{__I2CONVERT_USES_TEMPLATE} = 1;
-            push @{$obj_2x_host->{'__I2CONVERT_TEMPLATE_NAMES'}}, $obj_2x_host_template->{'__I2CONVERT_TEMPLATE_NAME'};
-
-        }
-
-        # push back the newly created host template (incl the service inherit below SERVICE) to the objects 2.x hive
-        #say Dumper($obj_2x_host_template);
-
-        $obj_2x_hosts_cnt++;
-        #print "adding new host at key " . $obj_2x_hosts_cnt . "\n";
-        $cfg_obj_2x->{'host'}->{$obj_2x_hosts_cnt} = $obj_2x_host_template;
-
-    }
-
-    ######################################
-    # NEW: NOTIFICATION MAPPING
-    # old:  contact->notification_commands->commands
-    #       contact->email/etc
-    #       host/service -> contact
-    # new:  notification->notification_command
-    #       user->mail/etc
-    #       host/service->notifications[type]->notification_templates,users
-    ######################################
-    my $notification_obj_cnt = 0;
-    my $obj_notification_cnt = 0;
-    # add a dummy value so that we can check against it
-    $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_NOTIFICATION_NAME'} = '__I2CONVERT_NOTIFICATION_DUMMY';
-
-    # go through all users and build notifications based on the notification_command
-    foreach my $user_obj_2x_key (keys %{@$cfg_obj_2x{'user'}}) {
-
-        my $obj_2x_user = @$cfg_obj_2x{'user'}->{$user_obj_2x_key};
-
-        my $user_notification;
-        ####################################################
-        # get all notification_commands, and create new notification templates
-        ####################################################
-        my $notification_commands = $obj_2x_user->{'__I2CONVERT_NOTIFICATION_COMMANDS'};
-        #say Dumper($notification_commands);
-
-        foreach my $notification_command_type (keys %{$notification_commands}) {
-            foreach my $notification_command_name (keys %{$notification_commands->{$notification_command_type}}) {
-                my $notification_command_line = $notification_commands->{$notification_command_type}->{$notification_command_name};
-                #print "type: $notification_command_type name: $notification_command_name line: $notification_command_line\n";
-
-                my $notification_command_name_2x = $notification_command_type."-".$notification_command_name;
-
-                my $notification_name_2x = $notification_command_name_2x.$obj_notification_cnt;
-                $obj_notification_cnt++;
-
-                # save a relation to this user and which notification templates are now linked ( ["name"] = { templates = "template" } )
-                # we'll use that later on when processing hosts/services and linking to users and notifications
-                $user_notification->{$notification_name_2x}->{'name'} = $notification_name_2x;
-
-                push @{$user_notification->{$notification_name_2x}->{'templates'}}, $notification_command_name_2x;
-                push @{$user_notification->{$notification_name_2x}->{'users'}}, $obj_2x_user->{'user_name'};
-
-                # save the type for later objects (host or service)
-                $user_notification->{$notification_name_2x}->{'type'} = $notification_command_type;
-
-                # XXX do not add duplicate notifications, they must remain unique by their notification_command origin!
-                #say Dumper("checking existing $notification_command_name_2x");
-                #say Dumper($user_notification);
-                if (obj_2x_notification_exists($cfg_obj_2x, $notification_command_name_2x) == 1) {
-                    #say Dumper("already existing $notification_command_name_2x");
-                    next;
-                }
-
-                next if (!defined($notification_command_name_2x));
-
-                # create a new NotificationCommand 2x object with the original name
-                my $command_type = 'Notification';
-                if (obj_2x_command_exists($cfg_obj_2x, $notification_command_name, $command_type) != 1) {
-                    $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_TYPE'} = 'Notification';
-                    $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_NAME'} = $notification_command_name;
-                    $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_LINE'} = $notification_command_line;
-                    $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_MACROS'} = $notification_commands->{$notification_command_type}->{'command_macros'};
-
-                    # use the ITL plugin notification command template
-                    if(defined($icinga2_cfg->{'itl'}->{'notificationcommand-template'}) && $icinga2_cfg->{'itl'}->{'notificationcommand-template'} ne "") {
-                        push @{$cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_TEMPLATE_NAMES'}}, $icinga2_cfg->{'itl'}->{'notificationcommand-template'};
-                        $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_USES_TEMPLATE'} = 1;
-                    }
-
-                    # the check command name of 1.x is still the unique command object name, so we just keep it
-                    # in __I2CONVERT_NOTIFICATION_COMMAND
-
-                    # our global PK
-                    $command_obj_cnt++;
-                }
-
-                # create a new notification template object
-                $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_NOTIFICATION_TEMPLATE_NAME'} = $notification_command_name_2x;
-                $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_NOTIFICATION_OBJECT_NAME'} = $notification_command_name_2x;
-                $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_NOTIFICATION_COMMAND'} = $notification_command_name;
-                $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_IS_TEMPLATE'} = 1; # this is a template, used in hosts/services then
-
-                # more reference
-                $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'users'} = $user_notification->{$notification_name_2x}->{'users'};
-
-                # add dependency to ITL template to objects
-                if(defined($icinga2_cfg->{'itl'}->{'notification-template'}) && $icinga2_cfg->{'itl'}->{'notification-template'} ne "") {
-                    @{$cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_TEMPLATE_NAMES'}} = ();
-                    push @{$cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_TEMPLATE_NAMES'}}, $icinga2_cfg->{'itl'}->{'notification-template'};
-                    $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_USES_TEMPLATE'} = 1; # we now use a template, otherwise it won't be dumped
-                }
-
-                $notification_obj_cnt++;
-            }
-        }
-        $cfg_obj_2x->{'user'}->{$user_obj_2x_key}->{'__I2CONVERT_NOTIFICATIONS'} = $user_notification;
-
-        #say Dumper($cfg_obj_2x->{'user'}->{$user_obj_2x_key});
-    }
-
-    # go through all hosts/services, and add notifications based on the users
-    # XXX hosts - do we notify on hosts?
-    foreach my $host_obj_2x_key (keys %{@$cfg_obj_2x{'host'}}) {
-
-        my $obj_2x_host = @$cfg_obj_2x{'host'}->{$host_obj_2x_key};
-        # make sure there are none
-        delete($cfg_obj_2x->{'host'}->{$host_obj_2x_key}->{'__I2CONVERT_NOTIFICATIONS'});
-        @{$cfg_obj_2x->{'host'}->{$host_obj_2x_key}->{'__I2CONVERT_NOTIFICATIONS'}} = ();
-
-        # convert users and usergroupmembers into a unique list of users
-        my @users = str2arr_by_delim_without_excludes($obj_2x_host->{'contacts'}, ',', 1);
-        my @usergroups = str2arr_by_delim_without_excludes($obj_2x_host->{'contact_groups'}, ',', 1);
-
-        # get all members of the usergroups
-        foreach my $usergroup (@usergroups) {
-            my @users_ug = obj_get_usernames_arr_by_usergroup_name($cfg_obj_2x, $usergroup);
-            push @users, @users_ug;
-        }
-        # create a unique array of users (XXX important! XXX)
-        my @uniq_users = uniq(@users);
-
-        # now loop and fetch objects, and their needed notification values as array
-        # (prepared above - look for $user_notification->{$notification_command_name_2x}...)
-        foreach my $uniq_user (@uniq_users) {
-            my $obj_2x_user = obj_get_user_obj_by_user_name($cfg_obj_2x, $uniq_user);
-            push @{$cfg_obj_2x->{'host'}->{$host_obj_2x_key}->{'__I2CONVERT_NOTIFICATIONS'}}, $obj_2x_user->{'__I2CONVERT_NOTIFICATIONS'};
-            # we'll add a reference to all notifications here. decide on dump which object type is given, and dump only those notifications!
-        }
-        #say Dumper($obj_2x_service);
-
-    }
-
-    # XXX services
-    foreach my $service_obj_2x_key (keys %{@$cfg_obj_2x{'service'}}) {
-
-        my $obj_2x_service = @$cfg_obj_2x{'service'}->{$service_obj_2x_key};
-        # make sure there are none
-        delete($cfg_obj_2x->{'service'}->{$service_obj_2x_key}->{'__I2CONVERT_NOTIFICATIONS'});
-        @{$cfg_obj_2x->{'service'}->{$service_obj_2x_key}->{'__I2CONVERT_NOTIFICATIONS'}} = ();
-
-        # convert users and usergroupmembers into a unique list of users
-        my @users = str2arr_by_delim_without_excludes($obj_2x_service->{'contacts'}, ',', 1);
-        my @usergroups = str2arr_by_delim_without_excludes($obj_2x_service->{'contact_groups'}, ',', 1);
-
-        # get all members of the usergroups
-        foreach my $usergroup (@usergroups) {
-            my @users_ug = obj_get_usernames_arr_by_usergroup_name($cfg_obj_2x, $usergroup);
-            push @users, @users_ug;
-        }
-        # create a unique array of users (XXX important! XXX)
-        my @uniq_users = uniq(@users);
-
-        # now loop and fetch objects, and their needed notification values as array
-        # (prepared above - look for $user_notification->{$notification_command_name_2x}...)
-        foreach my $uniq_user (@uniq_users) {
-
-            my $obj_2x_user = obj_get_user_obj_by_user_name($cfg_obj_2x, $uniq_user);
-
-            #say Dumper($obj_2x_user);
-            push @{$cfg_obj_2x->{'service'}->{$service_obj_2x_key}->{'__I2CONVERT_NOTIFICATIONS'}}, $obj_2x_user->{'__I2CONVERT_NOTIFICATIONS'};
-            # we'll add a reference to all notifications here. decide on dump which object type is given, and dump only those notifications!
-        }
-
-        # inherit notification attributes from service to all newly created notifications
-        foreach my $notification (@{$cfg_obj_2x->{'service'}->{$service_obj_2x_key}->{'__I2CONVERT_NOTIFICATIONS'}}) {
-            foreach my $notification_key (keys %{$notification}) {
-                next if $notification->{$notification_key}->{'type'} ne 'service';
-
-                my $notifications_enabled = obj_1x_get_service_attr($cfg_obj_2x, $obj_2x_service, $obj_2x_service->{'__I2CONVERT_SERVICE_HOSTNAME'}, 'notifications_enabled');
-                my $notification_interval = obj_1x_get_service_attr($cfg_obj_2x, $obj_2x_service, $obj_2x_service->{'__I2CONVERT_SERVICE_HOSTNAME'}, 'notification_internval');
-                my $notification_period = obj_1x_get_service_attr($cfg_obj_2x, $obj_2x_service, $obj_2x_service->{'__I2CONVERT_SERVICE_HOSTNAME'}, 'notification_period');
-
-                $notification->{$notification_key}->{'__I2CONVERT_NOTIFICATION_FILTERS'} = $cfg_obj_2x->{'service'}->{$service_obj_2x_key}->{'__I2CONVERT_NOTIFICATION_FILTERS'};
-                $notification->{$notification_key}->{'__I2CONVERT_NOTIFICATION_INTERVAL'} = $notification_interval;
-                $notification->{$notification_key}->{'__I2CONVERT_NOTIFICATION_PERIOD'} = $notification_period;
-                $notification->{$notification_key}->{'__I2CONVERT_NOTIFICATION_ENABLED'} = $notifications_enabled;
-                #say Dumper($notification->{$notification_key});
-            }
-        }
-        #say Dumper($obj_2x_service);
-
-    }
-    #exit(0);
-
-    ######################################
-    # NEW: ESCALATION TO NOTIFICATION
-    ######################################
-
-    my $obj_notification_escal_cnt = 0;
-    if (!@$cfg_obj_1x{'serviceescalation'}) {
-        goto SKIP_SVCESCAL;
-    }
-    foreach my $serviceescalation_obj_1x_key (keys %{@$cfg_obj_1x{'serviceescalation'}}) {
-        my $obj_1x_serviceescalation = @$cfg_obj_1x{'serviceescalation'}->{$serviceescalation_obj_1x_key};
-
-        ######################################
-        # create a unique users list
-        ######################################
-        # we need to get all notification_commands and create a notification escalation item from that source
-        my $notification_prefix = 'serviceescalation';
-
-        # convert users and usergroupmembers into a unique list of users
-        my @users = str2arr_by_delim_without_excludes($obj_1x_serviceescalation->{'contacts'}, ',', 1);
-        my @usergroups = str2arr_by_delim_without_excludes($obj_1x_serviceescalation->{'contact_groups'}, ',', 1);
-
-        # get all members of the usergroups
-        foreach my $usergroup (@usergroups) {
-            my @users_ug = obj_get_usernames_arr_by_usergroup_name($cfg_obj_2x, $usergroup);
-            push @users, @users_ug;
-        }
-        # create a unique array of users (XXX important! XXX)
-        my @uniq_users = uniq(@users);
-
-        ######################################
-        # link users to this notification
-        ######################################
-        foreach my $uniq_user (@uniq_users) {
-            my $obj_2x_user = obj_get_user_obj_by_user_name($cfg_obj_2x, $uniq_user);
-            #say Dumper($obj_2x_user);
-
-            my $user_notification;
-
-            my $notification_commands = $obj_2x_user->{'__I2CONVERT_NOTIFICATION_COMMANDS'};
-            #say Dumper($notification_commands);
-
-            foreach my $notification_command_type (keys %{$notification_commands}) {
-                foreach my $notification_command_name (keys %{$notification_commands->{$notification_command_type}}) {
-                    my $notification_command_line = $notification_commands->{$notification_command_type}->{$notification_command_name};
-                    #print "type: $notification_command_type name: $notification_command_name line: $notification_command_line\n";
-
-                    my $notification_command_name_2x = $notification_prefix."-".$notification_command_type."-".$notification_command_name;
-
-                    my $notification_name_2x = $notification_command_name_2x.$obj_notification_escal_cnt;
-                    $obj_notification_escal_cnt++;
-
-                    # save a relation to this user and which notification templates are now linked ( ["name"] = { templates = "template" } )
-                    # we'll use that later on when processing hosts/services and linking to users and notifications
-                    $user_notification->{$notification_name_2x}->{'name'} = $notification_name_2x;
-
-                    push @{$user_notification->{$notification_name_2x}->{'templates'}}, $notification_command_name_2x;
-                    push @{$user_notification->{$notification_name_2x}->{'users'}}, $obj_2x_user->{'user_name'};
-
-                    # save the type for later objects (host or service)
-                    $user_notification->{$notification_name_2x}->{'type'} = $notification_command_type;
-
-                    ######################################
-                    # create a unique services list, and
-                    # link that to the notification
-                    # - host_name/service_description
-                    # - hostgroup_name/service_description
-                    # - servicegroup_name
-                    ######################################
-                    my $notification_interval = 60; # assume some default if everything goes wrong
-
-                    ######################################
-                    # get the obj by host_name/service_description
-                    ######################################
-                    if (defined($obj_1x_serviceescalation->{'host_name'}) && defined($obj_1x_serviceescalation->{'service_description'})) {
-                        my $serviceescalation_service_obj = obj_get_service_obj_by_host_name_service_description($cfg_obj_2x, "__I2CONVERT_SERVICE_HOSTNAME", "__I2CONVERT_SERVICEDESCRIPTION", $obj_1x_serviceescalation->{'host_name'}, $obj_1x_serviceescalation->{'service_description'});
-                        push @{$serviceescalation_service_obj->{'__I2CONVERT_NOTIFICATIONS'}}, $user_notification;
-
-                        #say Dumper($serviceescalation_service_obj);
-                        # we need to calculate begin/end based on service->notification_interval
-                        # if notification_interval is not defined, we need to look it up in the template tree!
-                        if (defined($serviceescalation_service_obj->{'notification_interval'})) {
-                            $notification_interval = $serviceescalation_service_obj->{'notification_interval'};
-                        } else {
-                            $notification_interval = obj_1x_get_service_attr($cfg_obj_1x, $serviceescalation_service_obj, $serviceescalation_service_obj->{'__I2CONVERT_SERVICE_HOSTNAME'}, 'notification_interval');
-                        }
-                        #say Dumper($notification_interval);
-                        $user_notification->{$notification_name_2x}->{'__I2CONVERT_NOTIFICATION_TIMES'}->{'begin'} = $obj_1x_serviceescalation->{'first_notification'} * $notification_interval;
-                        $user_notification->{$notification_name_2x}->{'__I2CONVERT_NOTIFICATION_TIMES'}->{'end'} = $obj_1x_serviceescalation->{'last_notification'} * $notification_interval;
-
-                        # save a reference to more infos
-                        $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_NOTIFICATION_TIMES'} = $user_notification->{$notification_name_2x}->{'__I2CONVERT_NOTIFICATION_TIMES'};
-                        #say Dumper($obj_1x_serviceescalation);
-                        #say Dumper($user_notification);
-
-                        ######################################
-                        # now ADD the new escalation notification
-                        ######################################
-
-                        # XXX do not add duplicate notifications, they must remain unique by their notification_command origin!
-                        next if (obj_2x_notification_exists($cfg_obj_2x, $notification_command_name_2x) == 1);
-
-                        next if (!defined($notification_command_name_2x));
-
-                        # create a new NotificationCommand 2x object with the original name
-                        if (obj_2x_notification_exists($cfg_obj_2x, $notification_command_name) != 1) {
-                            $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_TYPE'} = 'Notification';
-                            $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_NAME'} = $notification_command_name;
-                            $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_LINE'} = $notification_command_line;
-                            $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_MACROS'} = $notification_commands->{$notification_command_type}->{'command_macros'};
-
-                            # use the ITL plugin notification command template
-                            if(defined($icinga2_cfg->{'itl'}->{'notificationcommand-template'}) && $icinga2_cfg->{'itl'}->{'notificationcommand-template'} ne "") {
-                                push @{$cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_TEMPLATE_NAMES'}}, $icinga2_cfg->{'itl'}->{'notificationcommand-template'};
-                                $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_USES_TEMPLATE'} = 1;
-                            }
-
-                            # the check command name of 1.x is still the unique command object name, so we just keep it
-                            # in __I2CONVERT_NOTIFICATION_COMMAND
-
-                            # our global PK
-                            $command_obj_cnt++;
-                        }
-
-                        # create a new notification template object
-                        $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_NOTIFICATION_TEMPLATE_NAME'} = $notification_command_name_2x;
-                        $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_NOTIFICATION_OBJECT_NAME'} = $notification_command_name_2x;
-                        $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_NOTIFICATION_COMMAND'} = $notification_command_name;
-                        $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_IS_TEMPLATE'} = 1; # this is a template, used in hosts/services then
-
-                        # more reference
-                        $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'users'} = $user_notification->{$notification_name_2x}->{'users'};
-
-                        # add dependency to ITL template to objects
-                        if(defined($icinga2_cfg->{'itl'}->{'notification-template'}) && $icinga2_cfg->{'itl'}->{'notification-template'} ne "") {
-                            @{$cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_TEMPLATE_NAMES'}} = ();
-                            push @{$cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_TEMPLATE_NAMES'}}, $icinga2_cfg->{'itl'}->{'notification-template'};
-                            $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_USES_TEMPLATE'} = 1; # we now use a template, otherwise it won't be dumped
-                        }
-
-
-                        #say Dumper($cfg_obj_2x->{'notification'}->{$notification_obj_cnt});
-                        # our PK
-                        $notification_obj_cnt++;
-
-                    }
-
-                    ######################################
-                    # get all hosts in hostgroup, with service_description
-                    ######################################
-                    if (defined($obj_1x_serviceescalation->{'hostgroup_name'}) && defined($obj_1x_serviceescalation->{'service_description'})) {
-                        my @serviceescalation_hostgroup_names = str2arr_by_delim_without_excludes($obj_1x_serviceescalation->{'hostgroup_name'}, ',', 1);
-
-                        foreach my $serviceescalation_hostgroup_name (@serviceescalation_hostgroup_names) {
-                            # get hg members
-                            my @serviceescalation_hostgroup_hostnames = obj_get_hostnames_arr_by_hostgroup_name($cfg_obj_2x, $serviceescalation_hostgroup_name);
-
-                            foreach my $serviceescalation_hostgroup_hostname (@serviceescalation_hostgroup_hostnames) {
-
-                                if (defined($obj_1x_serviceescalation->{'service_description'})) {
-                                    my $serviceescalation_service_obj = obj_get_service_obj_by_host_name_service_description($cfg_obj_2x, "__I2CONVERT_SERVICE_HOSTNAME", "__I2CONVERT_SERVICEDESCRIPTION", $obj_1x_serviceescalation->{'host_name'}, $obj_1x_serviceescalation->{'service_description'});
-
-                                    push @{$serviceescalation_service_obj->{'__I2CONVERT_NOTIFICATIONS'}}, $user_notification;
-
-                                    # we need to calculate begin/end based on service->notification_interval
-                                    # if notification_interval is not defined, we need to look it up in the template tree!
-                                    if (defined($serviceescalation_service_obj->{'notification_interval'})) {
-                                        $notification_interval = $serviceescalation_service_obj->{'notification_interval'};
-                                    } else {
-                                        $notification_interval = obj_1x_get_service_attr($cfg_obj_1x, $serviceescalation_service_obj, $serviceescalation_service_obj->{'__I2CONVERT_SERVICE_HOSTNAME'}, 'notification_interval');
-                                    }
-                                    $user_notification->{$notification_name_2x}->{'__I2CONVERT_NOTIFICATION_TIMES'}->{'begin'} = $obj_1x_serviceescalation->{'first_notification'} * $notification_interval;
-                                    $user_notification->{$notification_name_2x}->{'__I2CONVERT_NOTIFICATION_TIMES'}->{'end'} = $obj_1x_serviceescalation->{'last_notification'} * $notification_interval;
-                                    # save a reference to more infos
-                                    $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_NOTIFICATION_TIMES'} = $user_notification->{$notification_name_2x}->{'__I2CONVERT_NOTIFICATION_TIMES'};
-
-
-                                    ######################################
-                                    # now ADD the new escalation notification
-                                    ######################################
-
-                                    # XXX do not add duplicate notifications, they must remain unique by their notification_command origin!
-                                    next if (obj_2x_notification_exists($cfg_obj_2x, $notification_command_name_2x) == 1);
-
-                                    next if (!defined($notification_command_name_2x));
-
-                                    # create a new NotificationCommand 2x object with the original name
-                                    if (obj_2x_notification_exists($cfg_obj_2x, $notification_command_name) != 1) {
-                                        $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_TYPE'} = 'Notification';
-                                        $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_NAME'} = $notification_command_name;
-                                        $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_LINE'} = $notification_command_line;
-                                        $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_MACROS'} = $notification_commands->{$notification_command_type}->{'command_macros'};
-
-                                        # use the ITL plugin notification command template
-                                        if(defined($icinga2_cfg->{'itl'}->{'notificationcommand-template'}) && $icinga2_cfg->{'itl'}->{'notificationcommand-template'} ne "") {
-                                            push @{$cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_TEMPLATE_NAMES'}}, $icinga2_cfg->{'itl'}->{'notificationcommand-template'};
-                                            $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_USES_TEMPLATE'} = 1;
-                                        }
-
-                                        # the check command name of 1.x is still the unique command object name, so we just keep it
-                                        # in __I2CONVERT_NOTIFICATION_COMMAND
-
-                                        # our global PK
-                                        $command_obj_cnt++;
-                                    }
-
-                                    # create a new notification template object
-                                    $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_NOTIFICATION_TEMPLATE_NAME'} = $notification_command_name_2x;
-                                    $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_NOTIFICATION_OBJECT_NAME'} = $notification_command_name_2x;
-                                    $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_NOTIFICATION_COMMAND'} = $notification_command_name;
-                                    $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_IS_TEMPLATE'} = 1; # this is a template, used in hosts/services then
-
-                                    # more references (this is why code duplication happens
-                                    $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'users'} = $user_notification->{$notification_name_2x}->{'users'};
-
-                                    # add dependency to ITL template to objects
-                                    if(defined($icinga2_cfg->{'itl'}->{'notification-template'}) && $icinga2_cfg->{'itl'}->{'notification-template'} ne "") {
-                                        @{$cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_TEMPLATE_NAMES'}} = ();
-                                            push @{$cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_TEMPLATE_NAMES'}}, $icinga2_cfg->{'itl'}->{'notification-template'};
-                                            $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_USES_TEMPLATE'} = 1; # we now use a template, otherwise it won't be dumped
-                                    }
-                                    # our PK
-                                    $notification_obj_cnt++;
-                                }
-                            }
-                        }
-                    }
-
-                    #say Dumper($cfg_obj_2x->{'notification'}->{$notification_obj_cnt});
-
-                    ######################################
-                    # get all hosts and services from servicegroup definition and link them
-                    ######################################
-                    # XXX FIXME
-                    if (defined($obj_1x_serviceescalation->{'servicegroup_name'})) {
-                        #say Dumper($obj_1x_serviceescalation);
-                        my @service_names = obj_2x_get_service_arr_by_servicegroup_name($cfg_obj_2x, $obj_1x_serviceescalation->{'servicegroup_name'});
-
-                        foreach my $serviceescalation_service_name (@service_names) {
-                            my $serviceescalation_service_obj = obj_get_service_obj_by_host_name_service_description($cfg_obj_2x, "__I2CONVERT_SERVICE_HOSTNAME", "__I2CONVERT_SERVICEDESCRIPTION", $serviceescalation_service_name->{'__I2CONVERT_SERVICE_HOSTNAME'}, $serviceescalation_service_name->{'__I2CONVERT_SERVICEDESCRIPTION'});
-
-                            #say Dumper($serviceescalation_service_obj);
-                            # skip any templates which would create duplicates
-                            next if ($serviceescalation_service_obj->{'__I2CONVERT_IS_TEMPLATE'} == 1);
-                            #say Dumper($serviceescalation_service_name);
-
-                            push @{$serviceescalation_service_obj->{'__I2CONVERT_NOTIFICATIONS'}}, $user_notification;
-
-                            # we need to calculate begin/end based on service->notification_interval
-                            # if notification_interval is not defined, we need to look it up in the template tree!
-                            if (defined($serviceescalation_service_obj->{'notification_interval'})) {
-                                $notification_interval = $serviceescalation_service_obj->{'notification_interval'};
-                            } else {
-                                $notification_interval = obj_1x_get_service_attr($cfg_obj_1x, $serviceescalation_service_obj, $serviceescalation_service_obj->{'__I2CONVERT_SERVICE_HOSTNAME'}, 'notification_interval');
-                            }
-                            $user_notification->{$notification_name_2x}->{'__I2CONVERT_NOTIFICATION_TIMES'}->{'begin'} = $obj_1x_serviceescalation->{'first_notification'} * $notification_interval;
-                            $user_notification->{$notification_name_2x}->{'__I2CONVERT_NOTIFICATION_TIMES'}->{'end'} = $obj_1x_serviceescalation->{'last_notification'} * $notification_interval;
-                            # save a reference to more infos
-                            $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_NOTIFICATION_TIMES'} = $user_notification->{$notification_name_2x}->{'__I2CONVERT_NOTIFICATION_TIMES'};
-
-                            ######################################
-                            # now ADD the new escalation notification
-                            ######################################
-
-                            # XXX do not add duplicate notifications, they must remain unique by their notification_command origin!
-                            next if (obj_2x_notification_exists($cfg_obj_2x, $notification_command_name_2x) == 1);
-
-                            next if (!defined($notification_command_name_2x));
-
-                            # create a new NotificationCommand 2x object with the original name
-                            if (obj_2x_notification_exists($cfg_obj_2x, $notification_command_name) != 1) {
-                                $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_TYPE'} = 'Notification';
-                                $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_NAME'} = $notification_command_name;
-                                $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_LINE'} = $notification_command_line;
-                                $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_MACROS'} = $notification_commands->{$notification_command_type}->{'command_macros'};
-
-                                # use the ITL plugin notification command template
-                                if(defined($icinga2_cfg->{'itl'}->{'notificationcommand-template'}) && $icinga2_cfg->{'itl'}->{'notificationcommand-template'} ne "") {
-                                    push @{$cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_TEMPLATE_NAMES'}}, $icinga2_cfg->{'itl'}->{'notificationcommand-template'};
-                                    $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_USES_TEMPLATE'} = 1;
-                                }
-
-                                # the check command name of 1.x is still the unique command object name, so we just keep it
-                                # in __I2CONVERT_NOTIFICATION_COMMAND
-
-                                # our global PK
-                                $command_obj_cnt++;
-                            }
-
-                            # create a new notification template object
-                            $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_NOTIFICATION_TEMPLATE_NAME'} = $notification_command_name_2x;
-                            $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_NOTIFICATION_OBJECT_NAME'} = $notification_command_name_2x;
-                            $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_NOTIFICATION_COMMAND'} = $notification_command_name;
-                            $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_IS_TEMPLATE'} = 1; # this is a template, used in hosts/services then
-
-                            # more references (this is why code duplication happens
-                            $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'users'} = $user_notification->{$notification_name_2x}->{'users'};
-
-                            # add dependency to ITL template to objects
-                            if(defined($icinga2_cfg->{'itl'}->{'notification-template'}) && $icinga2_cfg->{'itl'}->{'notification-template'} ne "") {
-                                @{$cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_TEMPLATE_NAMES'}} = ();
-                                push @{$cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_TEMPLATE_NAMES'}}, $icinga2_cfg->{'itl'}->{'notification-template'};
-                                $cfg_obj_2x->{'notification'}->{$notification_obj_cnt}->{'__I2CONVERT_USES_TEMPLATE'} = 1; # we now use a template, otherwise it won't be dumped
-                            }
-                            # our PK
-                            $notification_obj_cnt++;
-                        }
-                    }
-                }
-            }
-
-            $obj_2x_user->{'__I2CONVERT_NOTIFICATIONS'} = $user_notification;
-        }
-    }
-
-    SKIP_SVCESCAL:
-
-
-
-    ######################################
-    # HOST->SERVICE MAGIC
-    # we need to do it _after_ we've
-    # manipulated all service objects!
-    ######################################
-
-    # save the current service count for additional hostcheck services
-    my $service_object_cnt = keys %{@$cfg_obj_2x{'service'}};
-    $count_original_services = $service_object_cnt;
-
-    $service_object_cnt++;
-
-    debug("HOST->SERVICE RELATION START: service object count " . keys %{@$cfg_obj_2x{'service'}});
-
-    # "get all 'host' hashref as array in hashmap, and their keys to access it"
-    foreach my $host_obj_2x_key (keys %{@$cfg_obj_2x{'host'}}) {
-
-        #say Dumper(@$cfg_obj_2x{'host'}->{$host_obj_2x_key});
-        my $obj_2x_host = @$cfg_obj_2x{'host'}->{$host_obj_2x_key};
-
-        # if there's no host check_command, we must look it up in the tree
-        if(!defined($obj_2x_host->{'check_command'})) {
-            @$cfg_obj_2x{'host'}->{$host_obj_2x_key}->{'check_command'} = obj_1x_get_host_attr($cfg_obj_1x, $obj_2x_host, $obj_2x_host->{'__I2CONVERT_HOSTNAME'}, 'check_command');
-            #say Dumper("found check_command in ".$obj_2x_host->{'check_command'});
-            #say Dumper(@$cfg_obj_2x{'host'}->{$host_obj_2x_key});
-        }
-
-        ####################################################
-        # Create Host->Service Relation for later dumping
-        # we use the prep'ed 2x service hashref already
-        # all attributes _must_have been resolved already!
-        ####################################################
-        my $obj_2x_host_service_cnt = 0;
-
-        # find all services for this host
-        foreach my $service_obj_2x_key (keys %{@$cfg_obj_2x{'service'}}) {
-
-            my $obj_2x_service = @$cfg_obj_2x{'service'}->{$service_obj_2x_key};
-
-            ######################################
-            # get host_name/service_desc for obj
-            # (prepared in service loop already)
-            ######################################
-            my $obj_2x_service_host_name = $obj_2x_service->{'__I2CONVERT_SERVICE_HOSTNAME'};
-            my $obj_2x_service_service_description = $obj_2x_service->{'__I2CONVERT_SERVICEDESCRIPTION'};
-
-            ######################################
-            # skip service templates
-            ######################################
-            if ($obj_2x_service->{'__I2CONVERT_IS_TEMPLATE'} == 1) {
-                #debug("WARNING: Skipping service template '$obj_2x_service->{'__I2CONVERT_TEMPLATE_NAMES'}' for linking to host '$obj_2x_host->{'__I2CONVERT_HOSTNAME'}'.");
-                next;
-            }
-
-            # save it for later
-            # XXX if host_name can't be located in the service template tree, check if hostgroup is set somewhere
-            # we then need to check if the service -> hostgroup <- hostmember applies (ugly) FIXME
-
-            # XXX if host_name can't be determined, log an error XXX templates MUST be skipped before (they cannot look down, only up in use tree)
-            if (!defined($obj_2x_service_host_name)) {
-                #print "ERROR: No host_name for service given " . Dumper($obj_2x_service);
-                next;
-            }
-
-            ######################################
-            # found a host->service relation?
-            ######################################
-            if ($obj_2x_service_host_name eq $obj_2x_host->{'__I2CONVERT_HOSTNAME'}) {
-                #debug("service_description: $obj_2x_service_service_description host_name: $obj_2x_service_host_name");
-
-                # 1. generate template name "host-service"
-                my $service_template_name = $obj_2x_service_host_name."-".$obj_2x_service_service_description;
-
-                # make sure that service (template) object does not exist XXX
-
-                # 2. make the service object a template with a special unique name
-                $cfg_obj_2x->{'service'}->{$service_obj_2x_key}->{'__I2CONVERT_IS_TEMPLATE'} = 1;
-                $cfg_obj_2x->{'service'}->{$service_obj_2x_key}->{'__I2CONVERT_TEMPLATE_NAME'} = $service_template_name;
-
-                # 3. use the template name as reference for the host->service
-                $cfg_obj_2x->{'host'}->{$host_obj_2x_key}->{'SERVICE'}->{$obj_2x_host_service_cnt}->{'__I2CONVERT_USES_TEMPLATE'} = 1;
-                push @{$cfg_obj_2x->{'host'}->{$host_obj_2x_key}->{'SERVICE'}->{$obj_2x_host_service_cnt}->{'__I2CONVERT_TEMPLATE_NAMES'}}, $service_template_name;
-
-                # 4. define the service description for the service
-                $cfg_obj_2x->{'host'}->{$host_obj_2x_key}->{'SERVICE'}->{$obj_2x_host_service_cnt}->{'__I2CONVERT_SERVICEDESCRIPTION'} = $obj_2x_service_service_description;
-
-                # increment the PK now
-                $obj_2x_host_service_cnt++;
-
-                ######################################
-                # LINK HOST COMMAND WITH SERVICE CHECK
-                ######################################
-                my ($service_check_command_2x, @service_command_args_1x) = convert_checkcommand($cfg_obj_1x, @$cfg_obj_1x{'command'}, $obj_2x_service, $obj_2x_service_host_name, $global_macros_1x);
-                my ($host_check_command_2x, @host_command_args_1x) = convert_checkcommand($cfg_obj_1x, @$cfg_obj_1x{'command'}, $obj_2x_host, $obj_2x_service_host_name, $global_macros_1x);
-                #say Dumper($host_check_command_2x);
-
-                # check if this service check is a possible match for __I2CONVERT_HOST_CHECK?
-                if (defined($service_check_command_2x->{'check_command_name_1x'})) {
-                    #say ("====================================");
-                    #say ($service_check_command_2x->{'check_command_name_1x'});
-                    #say ("-------------");
-                    #say ($cfg_obj_2x->{'host'}->{$host_obj_2x_key}->{'__I2CONVERT_HOSTCHECK_NAME'});
-                    #say ("====================================");
-
-                    if ($cfg_obj_2x->{'host'}->{$host_obj_2x_key}->{'__I2CONVERT_HOSTCHECK_NAME'} eq $service_check_command_2x->{'check_command_name_1x'}) {
-                        # set service as hostcheck
-                        $cfg_obj_2x->{'host'}->{$host_obj_2x_key}->{'__I2CONVERT_HOSTCHECK'} = $obj_2x_service_service_description;
-                    } else {
-                        ######################################
-                        # we need to take the old host check_command and create a new service object, linked to it
-                        ######################################
-                        next if (!defined($host_check_command_2x->{'check_command_name_1x'}));
-
-                        # XXX do not add duplicate check commands, they must remain unique by their check_command origin!
-                        my $command_type = 'Check';
-                        if (obj_2x_command_exists($cfg_obj_2x, $host_check_command_2x->{'check_command_name_1x'}, $command_type) != 1) {
-
-                            # create a new CheckCommand 2x object with the original name
-                            $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_TYPE'} = 'Check';
-                            $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_NAME'} = $host_check_command_2x->{'check_command_name_1x'};
-                            $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_LINE'} = $host_check_command_2x->{'check_command'};
-                            $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_MACROS'} = $host_check_command_2x->{'command_macros'};
-
-                            # use the ITL plugin check command template
-                            if(defined($icinga2_cfg->{'itl'}->{'checkcommand-template'}) && $icinga2_cfg->{'itl'}->{'checkcommand-template'} ne "") {
-                                push @{$cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_TEMPLATE_NAMES'}}, $icinga2_cfg->{'itl'}->{'checkcommand-template'};
-                                $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_USES_TEMPLATE'} = 1;
-                            }
-
-                            # our PK
-                            $command_obj_cnt++;
-                        }
-
-                        ######################################
-                        # now create a new service template linked to the host
-                        ######################################
-                        my $obj_2x_service_service_description = $host_check_command_2x->{'check_command_name_1x'};
-                        if (obj_2x_host_service_exists($cfg_obj_2x->{'host'}->{$host_obj_2x_key}->{'SERVICE'}, $obj_2x_service_service_description) != 1) {
-
-                            # 1. generate template name "host-service"
-                            my $service_template_name = $obj_2x_service_host_name."-".$obj_2x_service_service_description;
-                            
-                            if (obj_2x_hostcheck_service_template_exists($cfg_obj_2x->{'service'}, $service_template_name) != 1) {
-
-                                # 2. create a new service template object based on $service_object_cnt
-                                $cfg_obj_2x->{'service'}->{$service_object_cnt}->{'__I2CONVERT_IS_TEMPLATE'} = 1;
-                                $cfg_obj_2x->{'service'}->{$service_object_cnt}->{'__I2CONVERT_TEMPLATE_NAME'} = $service_template_name;
-                                $cfg_obj_2x->{'service'}->{$service_object_cnt}->{'__I2CONVERT_SERVICEDESCRIPTION'} = $obj_2x_service_service_description;
-                                $cfg_obj_2x->{'service'}->{$service_object_cnt}->{'__I2_CONVERT_CHECKCOMMAND_NAME'} = $host_check_command_2x->{'check_command_name_1x'};
-                                
-                                # 3. save all command args as macros
-                                my $arg_cnt = 1;
-                                foreach my $command_arg_1x (@host_command_args_1x) {
-                                    my $obj_1x_host = obj_get_host_obj_by_host_name($cfg_obj_1x, $host_obj_2x_key);
-                                    my $command_arg_2x = resolve_macros($cfg_obj_1x, $obj_1x_host, $command_arg_1x);
-                                    $cfg_obj_2x->{'service'}->{$service_object_cnt}->{'__I2CONVERT_MACROS'}->{"ARG" . $arg_cnt} = escape_str($command_arg_2x);
-                                    $arg_cnt++;
-                                }
-
-                                # 4. use the ITL service template
-                                if(defined($icinga2_cfg->{'itl'}->{'service-template'}) && $icinga2_cfg->{'itl'}->{'service-template'} ne "") {
-                                    push @{$cfg_obj_2x->{'service'}->{$service_object_cnt}->{'__I2CONVERT_TEMPLATE_NAMES'}}, $icinga2_cfg->{'itl'}->{'service-template'};
-                                    $cfg_obj_2x->{'service'}->{$service_object_cnt}->{'__I2CONVERT_USES_TEMPLATE'} = 1;
-                                }
-                                # primary service key
-                                $service_object_cnt++;
-                            }
-                            
-                            # 5. link the hostcheck service to the template
-                            $cfg_obj_2x->{'host'}->{$host_obj_2x_key}->{'SERVICE'}->{$obj_2x_host_service_cnt}->{'__I2CONVERT_USES_TEMPLATE'} = 1;
-                            push @{$cfg_obj_2x->{'host'}->{$host_obj_2x_key}->{'SERVICE'}->{$obj_2x_host_service_cnt}->{'__I2CONVERT_TEMPLATE_NAMES'}}, $service_template_name;
-
-                            # 6. set hostservice attributes
-                            $cfg_obj_2x->{'host'}->{$host_obj_2x_key}->{'SERVICE'}->{$obj_2x_host_service_cnt}->{'__I2CONVERT_IS_TEMPLATE'} = 0;
-                            $cfg_obj_2x->{'host'}->{$host_obj_2x_key}->{'SERVICE'}->{$obj_2x_host_service_cnt}->{'__I2CONVERT_SERVICEDESCRIPTION'} = $obj_2x_service_service_description;
-
-                            # primary key
-                            $obj_2x_host_service_cnt++;
-                        }
-
-                        ######################################
-                        # now link the service desc to hostcheck
-                        ######################################
-                        $cfg_obj_2x->{'host'}->{$host_obj_2x_key}->{'__I2CONVERT_HOSTCHECK'} = $obj_2x_service_service_description;
-                    }
-
-                }
-
-            }
-            else {
-                 # no match
-                #say "ERROR: No Match with ". Dumper($obj_1x_host);
-            }
-        }
-
-        ######################################
-        # this host object does not have any
-        # services assigned
-        ######################################
-        if ($obj_2x_host_service_cnt == 0 && $obj_2x_host->{'__I2CONVERT_IS_TEMPLATE'} == 0) {
-           debug("Found host '". $obj_2x_host->{'__I2CONVERT_HOSTNAME'} ."' without any services");
-
-           # now, add the hostcheck service
-           my ($host_check_command_2x, @host_command_args_1x) = convert_checkcommand($cfg_obj_1x, @$cfg_obj_1x{'command'}, $obj_2x_host, $obj_2x_host->{'__I2CONVERT_HOSTNAME'} , $global_macros_1x);
-
-           next if (!defined($host_check_command_2x->{'check_command_name_1x'}));
-
-           my $command_type = 'Check';
-           if (obj_2x_command_exists($cfg_obj_2x, $host_check_command_2x->{'check_command_name_1x'}, $command_type) != 1) {
-               $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_TYPE'} = 'Check';
-               $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_NAME'} = $host_check_command_2x->{'check_command_name_1x'};
-               $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_LINE'} = $host_check_command_2x->{'check_command'};
-               $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_COMMAND_MACROS'} = $host_check_command_2x->{'command_macros'};
-
-               # use the ITL plugin check command template
-               if(defined($icinga2_cfg->{'itl'}->{'checkcommand-template'}) && $icinga2_cfg->{'itl'}->{'checkcommand-template'} ne "") {
-                   push @{$cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_TEMPLATE_NAMES'}}, $icinga2_cfg->{'itl'}->{'checkcommand-template'};
-                   $cfg_obj_2x->{'command'}->{$command_obj_cnt}->{'__I2CONVERT_USES_TEMPLATE'} = 1;
-               }
-
-               # our PK
-               $command_obj_cnt++;
-            }
-
-            # now create a new service template linked to the host
-            my $obj_2x_service_service_description = $host_check_command_2x->{'check_command_name_1x'};
-            my $obj_2x_service_host_name = $obj_2x_host->{'__I2CONVERT_HOSTNAME'};
-
-            if (obj_2x_host_service_exists($cfg_obj_2x->{'host'}->{$host_obj_2x_key}->{'SERVICE'}, $obj_2x_service_service_description) != 1) {
-
-                # 1. generate template name "host-service"
-                my $service_template_name = $obj_2x_service_host_name."-".$obj_2x_service_service_description;
-                
-                if (obj_2x_hostcheck_service_template_exists($cfg_obj_2x->{'service'}, $service_template_name) != 1) {
-
-                    # 2. create a new service template object based on $service_object_cnt
-                    $cfg_obj_2x->{'service'}->{$service_object_cnt}->{'__I2CONVERT_IS_TEMPLATE'} = 1;
-                    $cfg_obj_2x->{'service'}->{$service_object_cnt}->{'__I2CONVERT_TEMPLATE_NAME'} = $service_template_name;
-                    $cfg_obj_2x->{'service'}->{$service_object_cnt}->{'__I2CONVERT_SERVICEDESCRIPTION'} = $obj_2x_service_service_description;
-                    $cfg_obj_2x->{'service'}->{$service_object_cnt}->{'__I2_CONVERT_CHECKCOMMAND_NAME'} = $host_check_command_2x->{'check_command_name_1x'};
-                    
-                    # 3. save all command args as macros
-                    my $arg_cnt = 1;
-                    foreach my $command_arg_1x (@host_command_args_1x) {
-                        my $obj_1x_host = obj_get_host_obj_by_host_name($cfg_obj_1x, $host_obj_2x_key);
-                        my $command_arg_2x = resolve_macros($cfg_obj_1x, $obj_1x_host, $command_arg_1x);
-                        $cfg_obj_2x->{'service'}->{$service_object_cnt}->{'__I2CONVERT_MACROS'}->{"ARG" . $arg_cnt} = escape_str($command_arg_2x);
-                        $arg_cnt++;
-                    }
-
-                    # 4. use the ITL service template
-                    if(defined($icinga2_cfg->{'itl'}->{'service-template'}) && $icinga2_cfg->{'itl'}->{'service-template'} ne "") {
-                        push @{$cfg_obj_2x->{'service'}->{$service_object_cnt}->{'__I2CONVERT_TEMPLATE_NAMES'}}, $icinga2_cfg->{'itl'}->{'service-template'};
-                        $cfg_obj_2x->{'service'}->{$service_object_cnt}->{'__I2CONVERT_USES_TEMPLATE'} = 1;
-                    }
-                    # primary service key
-                    $service_object_cnt++;
-                }
-                
-                # 5. link the hostcheck service to the template
-                $cfg_obj_2x->{'host'}->{$host_obj_2x_key}->{'SERVICE'}->{$obj_2x_host_service_cnt}->{'__I2CONVERT_USES_TEMPLATE'} = 1;
-                push @{$cfg_obj_2x->{'host'}->{$host_obj_2x_key}->{'SERVICE'}->{$obj_2x_host_service_cnt}->{'__I2CONVERT_TEMPLATE_NAMES'}}, $service_template_name;
-
-                # 6. set hostservice attributes
-                $cfg_obj_2x->{'host'}->{$host_obj_2x_key}->{'SERVICE'}->{$obj_2x_host_service_cnt}->{'__I2CONVERT_IS_TEMPLATE'} = 0;
-                $cfg_obj_2x->{'host'}->{$host_obj_2x_key}->{'SERVICE'}->{$obj_2x_host_service_cnt}->{'__I2CONVERT_SERVICEDESCRIPTION'} = $obj_2x_service_service_description;
-
-                # primary key
-                $obj_2x_host_service_cnt++;
-            }
-
-            # now link the service desc to hostcheck
-            $cfg_obj_2x->{'host'}->{$host_obj_2x_key}->{'__I2CONVERT_HOSTCHECK'} = $obj_2x_service_service_description;
-
-            #say "Added hostcheck $obj_2x_service_service_description to host $obj_2x_host->{'__I2CONVERT_HOSTNAME'}";
-
-        }
-    }
-
-    ############################################################################
-    # add custom templates to every existing object
-    ############################################################################
-    my @objects = ('host', 'service', 'user', 'notification', 'timeperiod', 'command');
-
-    foreach my $object (@objects) {
-        debug("Custom template for $object");
-        #say "Custom template for $object";
-
-        foreach my $obj_2x_key (keys %{@$cfg_obj_2x{$object}}) {
-            my $obj_2x = @$cfg_obj_2x{$object}->{$obj_2x_key};
-
-            my $obj_template = "$object-template";
-            if (defined($obj_2x->{'__I2CONVERT_COMMAND_TYPE'})) {
-                $obj_template = lc $obj_2x->{'__I2CONVERT_COMMAND_TYPE'} . "$object-template";
-            }
-
-            if(defined($icinga2_cfg->{'customtmpl'}->{$obj_template}) && $icinga2_cfg->{'customtmpl'}->{$obj_template} ne "") {
-                if (!defined($cfg_obj_2x->{$object}->{$obj_2x_key}->{'__I2CONVERT_TEMPLATE_NAMES'})) {
-                    @{$cfg_obj_2x->{$object}->{$obj_2x_key}->{'__I2CONVERT_TEMPLATE_NAMES'}} = ();
-                }
-                push @{$cfg_obj_2x->{$object}->{$obj_2x_key}->{'__I2CONVERT_TEMPLATE_NAMES'}}, $icinga2_cfg->{'customtmpl'}->{$obj_template};
-                $cfg_obj_2x->{$object}->{$obj_2x_key}->{'__I2CONVERT_USES_TEMPLATE'} = 1;
-            }
-        }
-    }
-
-    ############################################################################
-    # stats
-    ############################################################################
-
-
-    $count->{'hosts'} = keys %{@$cfg_obj_2x{'host'}};
-    #$count->{'host_templates'} = grep $_->{'__I2_CONVERT_IS_TEMPLATE'} == 1, values %{@$cfg_obj_2x{'host'}};
-    #$count->{'host_objects'} = grep $_->{'__I2_CONVERT_IS_TEMPLATE'} != 1, values %{@$cfg_obj_2x{'host'}};
-    $count->{'services_hostcheck'} = $service_object_cnt - $count_original_services;
-    $count->{'services_original'} = $count_original_services;
-    $count->{'services'} = $service_object_cnt;
-    #$count->{'service_templates'} = grep $_->{'__I2_CONVERT_IS_TEMPLATE'} == 1, values %{@$cfg_obj_2x{'service'}};
-    #$count->{'service_objects'} = grep $_->{'__I2_CONVERT_IS_TEMPLATE'} != 1, values %{@$cfg_obj_2x{'service'}};    
-    $count->{'users'} = keys %{@$cfg_obj_2x{'user'}};
-    $count->{'timeperiods'} = keys %{@$cfg_obj_2x{'timeperiod'}};
-    $count->{'notifications'} = keys %{@$cfg_obj_2x{'notification'}};
-    $count->{'commands'} = keys %{@$cfg_obj_2x{'command'}};
-
-    $cfg_obj_2x->{'__I2_CONVERT_STATS'} = $count;
-    # export takes place outside again
-
-    return $cfg_obj_2x;
-}
-
-
-=pod
-EXPORT ICINGA 2 CONFIG
-=cut
-
-# XXX figure a better way for \t count printing, making dumps more modular
-# XXX sort macros and linked hostservices by name
-
-################################################################################
-# Helpers
-################################################################################
-
-sub open_cfg_file {
-    my $file = shift;
-    my $FH;
-
-    #say "writing file '$file'...\n";
-    open($FH, ">".$file);
-
-    if (!-w $FH) {
-        print "ERROR: cannot write file '$file'. Check permissions!\n";
-    }
-
-    return $FH;
-}
-
-sub close_cfg_file {
-    my $FH = shift;
-
-    close($FH);
-}
-
-sub add_header {
-    my $icinga2_cfg = shift;
-
-    dump_config_line($icinga2_cfg, "/******************************************************************************");
-    dump_config_line($icinga2_cfg, " * GENERATED BY ICINGA2 CONVERSION SCRIPT");
-    dump_config_line($icinga2_cfg, " * " . strftime('%Y-%m-%d %H:%M:%S',localtime));
-    dump_config_line($icinga2_cfg, " ******************************************************************************/");
-}
-
-sub dump_config_line {
-    my $icinga2_cfg = shift;
-    my $line = shift;
-    my $dbg_lvl = $icinga2_cfg->{'__I2EXPORT_DEBUG'};
-
-    if ($dbg_lvl) {
-        print $line. "\n";
-    }
-
-    print { $icinga2_cfg->{'__I2EXPORT_FH'} } "$line\n";
-}
-
-sub start_object_type_config_dump {
-    my $icinga2_cfg = shift;
-    my $cfg_type = shift;
-
-    $icinga2_cfg->{'__I2EXPORT_FH'} = open_cfg_file($icinga2_cfg->{$cfg_type});
-    add_header($icinga2_cfg);
-}
-
-sub end_object_type_config_dump {
-    my $icinga2_cfg = shift;
-
-    close_cfg_file($icinga2_cfg->{'__I2EXPORT_FH'});
-}
-
-################################################################################
-# DUMP ALL OBJECTS 2.x
-################################################################################
-
-sub dump_cfg_resource_2x {
-    my $icinga2_cfg = shift;
-    my $icinga2_global_macros = shift;
-
-    start_object_type_config_dump($icinga2_cfg, 'resource');
-
-    dump_config_line($icinga2_cfg, "const IcingaMacros = {");
-    foreach my $global_macro_2x_key (sort keys %{$icinga2_global_macros}) {
-        dump_config_line($icinga2_cfg, "\t\"$global_macro_2x_key\" = \"$icinga2_global_macros->{$global_macro_2x_key}\",");
-    }
-
-    dump_config_line($icinga2_cfg, "}");
-
-    end_object_type_config_dump($icinga2_cfg);
-}
-
-sub dump_cfg_obj_2x {
-    my $icinga2_cfg = shift;
-    my $cfg_obj_2x = shift;
-
-    dump_hosts_2x($icinga2_cfg, $cfg_obj_2x);
-    dump_services_2x($icinga2_cfg, $cfg_obj_2x);
-    dump_users_2x($icinga2_cfg, $cfg_obj_2x);
-    dump_notifications_2x($icinga2_cfg, $cfg_obj_2x);
-    dump_timeperiods_2x($icinga2_cfg, $cfg_obj_2x);
-    dump_groups_2x($icinga2_cfg, $cfg_obj_2x);
-    dump_commands_2x($icinga2_cfg, $cfg_obj_2x);
-
-}
-sub dump_hosts_2x {
-    my $icinga2_cfg = shift;
-    my $cfg_obj_2x = shift;
-
-    start_object_type_config_dump($icinga2_cfg, 'hosts');
-    #say Dumper($icinga2_cfg);
-
-    foreach my $host_2x_key (keys %{@$cfg_obj_2x{'host'}}) {
-        my $host_2x = @$cfg_obj_2x{'host'}->{$host_2x_key};
-        #say Dumper($host_2x);
-        #say "==============\n";
-        # function decides itsself if object or template
-        dump_host_2x($icinga2_cfg, $host_2x);
-    }
-
-    end_object_type_config_dump($icinga2_cfg);
-}
-
-sub dump_services_2x {
-    my $icinga2_cfg = shift;
-    my $cfg_obj_2x = shift;
-
-    start_object_type_config_dump($icinga2_cfg, 'services');
-
-    foreach my $service_2x_key (keys %{@$cfg_obj_2x{'service'}}) {
-        my $service_2x = @$cfg_obj_2x{'service'}->{$service_2x_key};
-
-        dump_service_2x($icinga2_cfg, $service_2x);
-    }
-
-    end_object_type_config_dump($icinga2_cfg);
-}
-
-sub dump_users_2x {
-    my $icinga2_cfg = shift;
-    my $cfg_obj_2x = shift;
-
-    start_object_type_config_dump($icinga2_cfg, 'users');
-
-    foreach my $user_2x_key (keys %{@$cfg_obj_2x{'user'}}) {
-        my $user_2x = @$cfg_obj_2x{'user'}->{$user_2x_key};
-
-        dump_user_2x($icinga2_cfg, $user_2x);
-    }
-
-    end_object_type_config_dump($icinga2_cfg);
-}
-
-sub dump_notifications_2x {
-    my $icinga2_cfg = shift;
-    my $cfg_obj_2x = shift;
-
-    start_object_type_config_dump($icinga2_cfg, 'notifications');
-
-    foreach my $notification_2x_key (keys %{@$cfg_obj_2x{'notification'}}) {
-        my $notification_2x = @$cfg_obj_2x{'notification'}->{$notification_2x_key};
-
-        dump_notification_2x($icinga2_cfg, $notification_2x);
-    }
-
-    end_object_type_config_dump($icinga2_cfg);
-}
-
-
-sub dump_timeperiods_2x {
-    my $icinga2_cfg = shift;
-    my $cfg_obj_2x = shift;
-
-    start_object_type_config_dump($icinga2_cfg, 'timeperiods');
-
-    foreach my $timeperiod_2x_key (keys %{@$cfg_obj_2x{'timeperiod'}}) {
-        my $timeperiod_2x = @$cfg_obj_2x{'timeperiod'}->{$timeperiod_2x_key};
-
-        dump_timeperiod_2x($icinga2_cfg, $timeperiod_2x);
-    }
-
-    end_object_type_config_dump($icinga2_cfg);
-}
-
-# XXX maybe split later
-sub dump_groups_2x {
-    my $icinga2_cfg = shift;
-    my $cfg_obj_2x = shift;
-
-    start_object_type_config_dump($icinga2_cfg, 'groups');
-
-    if (!@$cfg_obj_2x{'hostgroup'}) {
-        goto SKIP_HOSTGROUPS;
-    }
-
-    foreach my $hostgroup_2x_key (keys %{@$cfg_obj_2x{'hostgroup'}}) {
-        my $hostgroup_2x = @$cfg_obj_2x{'hostgroup'}->{$hostgroup_2x_key};
-
-        dump_group_2x($icinga2_cfg, $hostgroup_2x);
-    }
-
-SKIP_HOSTGROUPS:
-
-    if (!@$cfg_obj_2x{'servicegroup'}) {
-        goto SKIP_SERVICEGROUPS;
-    }
-
-    foreach my $servicegroup_2x_key (keys %{@$cfg_obj_2x{'servicegroup'}}) {
-        my $servicegroup_2x = @$cfg_obj_2x{'servicegroup'}->{$servicegroup_2x_key};
-
-        dump_group_2x($icinga2_cfg, $servicegroup_2x);
-    }
-
-SKIP_SERVICEGROUPS:
-
-    if (!@$cfg_obj_2x{'usergroup'}) {
-        goto SKIP_USERGROUPS;
-    }
-
-    foreach my $usergroup_2x_key (keys %{@$cfg_obj_2x{'usergroup'}}) {
-        my $usergroup_2x = @$cfg_obj_2x{'usergroup'}->{$usergroup_2x_key};
-
-        dump_group_2x($icinga2_cfg, $usergroup_2x);
-    }
-
-SKIP_USERGROUPS:
-    end_object_type_config_dump($icinga2_cfg);
-}
-
-sub dump_commands_2x {
-    my $icinga2_cfg = shift;
-    my $cfg_obj_2x = shift;
-
-    start_object_type_config_dump($icinga2_cfg, 'commands');
-
-    foreach my $command_2x_key (keys %{@$cfg_obj_2x{'command'}}) {
-        my $command_2x = @$cfg_obj_2x{'command'}->{$command_2x_key};
-
-        dump_command_2x($icinga2_cfg, $command_2x);
-    }
-
-    end_object_type_config_dump($icinga2_cfg);
-}
-
-################################################################################
-# DUMP OBJECT 2.x
-################################################################################
-
-
-sub dump_service_2x {
-    my $icinga2_cfg = shift;
-    my $service_2x = shift;
-    my $object_type = "object"; # object or template
-    my $service_description = $service_2x->{__I2CONVERT_SERVICEDESCRIPTION};
-
-    # only dump templates, the objects will be directly created in host objects
-    if ($service_2x->{__I2CONVERT_IS_TEMPLATE} == 0) {
-        return;
-    }
-    #say Dumper($host_2x);
-    if ($service_2x->{__I2CONVERT_IS_TEMPLATE} == 1) {
-        $object_type = "template";
-        $service_description = $service_2x->{'__I2CONVERT_TEMPLATE_NAME'};
-    }
-
-    ####################################################
-    # start, inherit from template?
-    ####################################################
-    if (defined($service_2x->{'__I2CONVERT_USES_TEMPLATE'}) && $service_2x->{'__I2CONVERT_USES_TEMPLATE'} == 1) {
-        my $service_2x_templates = join '", "', @{$service_2x->{'__I2CONVERT_TEMPLATE_NAMES'}};
-        dump_config_line($icinga2_cfg, "$object_type Service \"$service_description\" inherits \"$service_2x_templates\" {");
-    } else {
-        dump_config_line($icinga2_cfg, "$object_type Service \"$service_description\" {");
-    }
-
-    ####################################################
-    # display_name
-    ####################################################
-    if(defined($service_2x->{'display_name'})) {
-        dump_config_line($icinga2_cfg, "\tdisplay_name = \"$service_2x->{'display_name'}\",");
-    }
-
-    ####################################################
-    # macros
-    ####################################################
-
-    if(defined($service_2x->{'__I2CONVERT_MACROS'}) && $service_2x->{'__I2CONVERT_MACROS'} != 0) {
-        dump_config_line($icinga2_cfg, "\tmacros = {");
-        foreach my $macro_key (keys %{$service_2x->{'__I2CONVERT_MACROS'}}) {
-            next if $macro_key =~ /USER/;
-            dump_config_line($icinga2_cfg, "\t\t$macro_key = \"$service_2x->{'__I2CONVERT_MACROS'}->{$macro_key}\",");
-        }
-        dump_config_line($icinga2_cfg, "\t},");
-    }
-
-    dump_config_line($icinga2_cfg, "");
-
-    ####################################################
-    # check command
-    ####################################################
-    if(defined($service_2x->{'__I2_CONVERT_CHECKCOMMAND_NAME'})) {
-        dump_config_line($icinga2_cfg, "\tcheck_command = \"$service_2x->{'__I2_CONVERT_CHECKCOMMAND_NAME'}\",");
-    }
-
-    ####################################################
-    # event command
-    ####################################################
-    if(defined($service_2x->{'__I2_CONVERT_EVENTCOMMAND_NAME'})) {
-        dump_config_line($icinga2_cfg, "\tevent_command = \"$service_2x->{'__I2_CONVERT_EVENTCOMMAND_NAME'}\",");
-    }
-
-    ####################################################
-    # servicegroups
-    ####################################################
-    if(defined($service_2x->{'servicegroups'}) && scalar(@{$service_2x->{'servicegroups'}}) > 0) {
-        #say Dumper($service_2x->{'servicegroups'});
-        my $servicegroups = join '", "', @{$service_2x->{'servicegroups'}};
-        if ($service_2x->{'__I2_CONVERT_SG_ADD'} == 1) {
-            dump_config_line($icinga2_cfg, "\tgroups += [ \"$servicegroups\" ],");
-        } else {
-            dump_config_line($icinga2_cfg, "\tgroups = [ \"$servicegroups\" ],");
-        }
-        #say Dumper($service_description);
-        #say Dumper($service_2x->{'servicegroups'});
-    }
-
-    ####################################################
-    # servicedependencies (1.x deps)
-    ####################################################
-    if(defined($service_2x->{'__I2CONVERT_PARENT_SERVICES'})) {
-        #say Dumper($service_2x);
-        # this is a hash with keys
-        foreach my $servicedep_key (keys %{$service_2x->{'__I2CONVERT_PARENT_SERVICES'}}) {
-            my $servicedep = $service_2x->{'__I2CONVERT_PARENT_SERVICES'}->{$servicedep_key};
-            dump_config_line($icinga2_cfg, "\tdependencies[\"".$servicedep->{'host'}."-".$servicedep->{'service'}."\"] = {");
-            dump_config_line($icinga2_cfg, "\t\tparent_host = \"$servicedep->{'host'}\",");
-            dump_config_line($icinga2_cfg, "\t\tparent_service = \"$servicedep->{'service'}\"");
-            dump_config_line($icinga2_cfg, "\t},");
-        }
-    }
-
-    ####################################################
-    # notifications
-    ####################################################
-    if(defined($service_2x->{'__I2CONVERT_NOTIFICATIONS'})) {
-        #say Dumper ($service_2x->{'__I2CONVERT_NOTIFICATIONS'});
-        # this is an array of notification objects
-        foreach my $service_notification_hash (@{$service_2x->{'__I2CONVERT_NOTIFICATIONS'}}) {
-
-            #say Dumper($service_notification_hash);
-
-            # this is a hash by unique key of the notification template, but all further attributes are seperatedly available too
-            foreach my $service_notification_key (keys %{$service_notification_hash}) {
-                my $service_notification = $service_notification_hash->{$service_notification_key};
-                #say Dumper($service_notification);
-
-                # skip everything not related to service notifications
-                next if ($service_notification->{'type'} ne 'service');
-
-                dump_config_line($icinga2_cfg, "\tnotifications[\"$service_notification->{'name'}\"] = {");
-
-                if (defined ($service_notification->{'templates'}) && @{$service_notification->{'templates'}} > 0) {
-                    my $service_notification_templates = join '", "', @{$service_notification->{'templates'}};
-                    dump_config_line($icinga2_cfg, "\t\ttemplates = [ \"$service_notification_templates\" ],");
-                }
-
-                if(defined($service_notification->{'users'}) && @{$service_notification->{'users'}} > 0) {
-                    my $service_users = join '", "', @{$service_notification->{'users'}};
-                    dump_config_line($icinga2_cfg, "\t\tusers = [ \"$service_users\" ],");
-                }
-
-                if(defined($service_notification->{'__I2CONVERT_NOTIFICATION_FILTERS'})) {
-                    #say Dumper($service_notification);
-                    foreach my $by (keys %{$service_notification->{'__I2CONVERT_NOTIFICATION_FILTERS'}}) {
-                        next if !@{$service_notification->{'__I2CONVERT_NOTIFICATION_FILTERS'}->{$by}};
-                        my $notification_filter;
-                        if (grep /0/, @{$service_notification->{'__I2CONVERT_NOTIFICATION_FILTERS'}->{$by}}) {
-                            $notification_filter = 0;
-                        } else {
-                            $notification_filter = "(". (join ' | ', @{$service_notification->{'__I2CONVERT_NOTIFICATION_FILTERS'}->{$by}}) .")";
-                        }
-                        dump_config_line($icinga2_cfg, "\t\tnotification_".$by."_filter = $notification_filter,");
-                    }
-                }
-
-                if(defined($service_notification->{'__I2CONVERT_NOTIFICATION_INTERVAL'})) {
-                    dump_config_line($icinga2_cfg, "\t\tnotification_interval = $service_notification->{'__I2CONVERT_NOTIFICATION_INTERVAL'},");
-                }
-
-                if(defined($service_notification->{'__I2CONVERT_NOTIFICATION_PERIOD'})) {
-                    dump_config_line($icinga2_cfg, "\t\tnotification_period = \"$service_notification->{'__I2CONVERT_NOTIFICATION_PERIOD'}\",");
-                }
-
-                # this is set for escalations
-                if(defined($service_notification->{'__I2CONVERT_NOTIFICATION_TIMES'}) && $service_notification->{'__I2CONVERT_NOTIFICATION_TIMES'} != 0) {
-                    dump_config_line($icinga2_cfg, "\t\ttimes = {");
-                    dump_config_line($icinga2_cfg, "\t\t\tbegin = $service_notification->{'__I2CONVERT_NOTIFICATION_TIMES'}->{'begin'},");
-                    dump_config_line($icinga2_cfg, "\t\t\tend = $service_notification->{'__I2CONVERT_NOTIFICATION_TIMES'}->{'end'}");
-                    dump_config_line($icinga2_cfg, "\t\t},");
-                }
-
-                dump_config_line($icinga2_cfg, "\t},");
-            }
-        }
-    }
-
-    ####################################################
-    # other service attributes, if set
-    ####################################################
-    if(defined($service_2x->{'check_interval'})) {
-        dump_config_line($icinga2_cfg, "\tcheck_interval = $service_2x->{'check_interval'},");
-    }
-    if(defined($service_2x->{'retry_interval'})) {
-        dump_config_line($icinga2_cfg, "\tretry_interval = $service_2x->{'retry_interval'},");
-    }
-    if(defined($service_2x->{'max_check_attempts'})) {
-        dump_config_line($icinga2_cfg, "\tmax_check_attempts = $service_2x->{'max_check_attempts'},");
-    }
-
-    if(defined($service_2x->{'check_period'})) {
-        dump_config_line($icinga2_cfg, "\tcheck_period = \"$service_2x->{'check_period'}\",");
-    }
-
-    if(defined($service_2x->{'volatile'})) {
-        dump_config_line($icinga2_cfg, "\tvolatile = $service_2x->{'volatile'},");
-    }
-
-    if(defined($service_2x->{'flap_detection_enabled'})) {
-        dump_config_line($icinga2_cfg, "\tenable_flapping = $service_2x->{'flap_detection_enabled'},");
-    }
-
-    ####################################################
-    # custom attr
-    ####################################################
-    if(defined($service_2x->{'__I2CONVERT_CUSTOM_ATTR'}) && $service_2x->{'__I2CONVERT_CUSTOM_ATTR'} != 0) {
-        dump_config_line($icinga2_cfg, "\tcustom = {");
-        foreach my $custom_key (keys %{$service_2x->{'__I2CONVERT_CUSTOM_ATTR'}}) {
-            dump_config_line($icinga2_cfg, "\t\t$custom_key = \"$service_2x->{'__I2CONVERT_CUSTOM_ATTR'}->{$custom_key}\",");
-        }
-        dump_config_line($icinga2_cfg, "\t},");
-    }
-
-    dump_config_line($icinga2_cfg, "");
-
-    dump_config_line($icinga2_cfg, "}");
-    dump_config_line($icinga2_cfg, "\n");
-}
-
-sub dump_host_2x {
-    my $icinga2_cfg = shift;
-    my $host_2x = shift;
-    my $object_type = "object"; # object or template
-    my $host_name = $host_2x->{'host_name'}; # default, may be changed for templates
-
-    #say Dumper($host_2x);
-    if ($host_2x->{__I2CONVERT_IS_TEMPLATE} == 1) {
-        $object_type = "template";
-        $host_name = $host_2x->{'__I2CONVERT_TEMPLATE_NAME'};
-    }
-
-    ####################################################
-    # start, inherit from template?
-    ####################################################
-    if (defined($host_2x->{'__I2CONVERT_USES_TEMPLATE'}) && $host_2x->{'__I2CONVERT_USES_TEMPLATE'} == 1) {
-        my $host_2x_templates = join '", "', @{$host_2x->{'__I2CONVERT_TEMPLATE_NAMES'}};
-        dump_config_line($icinga2_cfg, "$object_type Host \"$host_name\" inherits \"$host_2x_templates\" {");
-    } else {
-        dump_config_line($icinga2_cfg, "$object_type Host \"$host_name\" {");
-    }
-
-    ####################################################
-    # display_name
-    ####################################################
-    if(defined($host_2x->{'display_name'})) {
-        dump_config_line($icinga2_cfg, "\tdisplay_name = \"$host_2x->{'display_name'}\",");
-    }
-
-    ####################################################
-    # macros
-    ####################################################
-    dump_config_line($icinga2_cfg, "");
-
-    if(defined($host_2x->{'__I2CONVERT_MACROS'}) && $host_2x->{'__I2CONVERT_MACROS'} != 0) {
-        dump_config_line($icinga2_cfg, "\tmacros = {");
-        foreach my $macro_key (keys %{$host_2x->{'__I2CONVERT_MACROS'}}) {
-            next if $macro_key =~ /USER/;
-            dump_config_line($icinga2_cfg, "\t\t$macro_key = \"$host_2x->{'__I2CONVERT_MACROS'}->{$macro_key}\",");
-        }
-        dump_config_line($icinga2_cfg, "\t},");
-    }
-    dump_config_line($icinga2_cfg, "");
-
-    ####################################################
-    # hostgroups
-    ####################################################
-    if(defined($host_2x->{'hostgroups'})) {
-        my $hostgroups = join '", "', @{$host_2x->{'hostgroups'}};
-        if ($host_2x->{'__I2_CONVERT_HG_ADD'} == 1) {
-            dump_config_line($icinga2_cfg, "\tgroups += [ \"$hostgroups\" ],");
-        } else {
-            dump_config_line($icinga2_cfg, "\tgroups = [ \"$hostgroups\" ],");
-        }
-    }
-
-    ####################################################
-    # hostdependencies (1.x deps and parents combined)
-    ####################################################
-    if(defined($host_2x->{'__I2CONVERT_PARENT_HOSTNAMES'})) {
-        foreach my $parent_host (@{$host_2x->{'__I2CONVERT_PARENT_HOSTNAMES'}}) {
-            dump_config_line($icinga2_cfg, "\tdependencies[\"$parent_host\"] = {");
-            dump_config_line($icinga2_cfg, "\t\tparent_host = \"$parent_host\"");
-            dump_config_line($icinga2_cfg, "\t},");
-        }
-    }
-
-    ####################################################
-    # custom attr
-    ####################################################
-
-    if(defined($host_2x->{'__I2CONVERT_CUSTOM_ATTR'}) && $host_2x->{'__I2CONVERT_CUSTOM_ATTR'} != 0) {
-        dump_config_line($icinga2_cfg, "\tcustom = {");
-        foreach my $custom_key (keys %{$host_2x->{'__I2CONVERT_CUSTOM_ATTR'}}) {
-            dump_config_line($icinga2_cfg, "\t\t$custom_key = \"$host_2x->{'__I2CONVERT_CUSTOM_ATTR'}->{$custom_key}\",");
-        }
-        dump_config_line($icinga2_cfg, "\t},");
-    }
-
-    ####################################################
-    # hostcheck
-    ####################################################
-    # this is magic, and must be set during conversion
-    if(defined($host_2x->{'__I2CONVERT_HOSTCHECK'})) {
-        dump_config_line($icinga2_cfg, "\tcheck = \"$host_2x->{'__I2CONVERT_HOSTCHECK'}\",");
-    }
-
-    ####################################################
-    # host with no services - valid configuration
-    ####################################################
-    if (!defined($host_2x->{'SERVICE'})) {
-        dump_config_line($icinga2_cfg, "}");
-        dump_config_line($icinga2_cfg, "\n");
-        return;
-    }
-
-    #say Dumper($host_2x->{'SERVICE'});
-
-    ####################################################
-    # now all services with templates
-    ####################################################
-    foreach my $service_2x_key (keys %{$host_2x->{'SERVICE'}}) {
-        my $service_2x = $host_2x->{'SERVICE'}->{$service_2x_key};
-
-        dump_config_line($icinga2_cfg, "\tservices[\"$service_2x->{__I2CONVERT_SERVICEDESCRIPTION}\"] = {");
-
-        ####################################################
-        # templates
-        ####################################################
-        if (defined($service_2x->{'__I2CONVERT_USES_TEMPLATE'}) && $service_2x->{'__I2CONVERT_USES_TEMPLATE'} == 1) {
-            my $service_2x_templates = join '", "', @{$service_2x->{'__I2CONVERT_TEMPLATE_NAMES'}};
-            dump_config_line($icinga2_cfg, "\t\ttemplates = [ \"$service_2x_templates\" ],")
-        }
-        ####################################################
-        # display_name
-        ####################################################
-        if(defined($service_2x->{'display_name'})) {
-            dump_config_line($icinga2_cfg, "\t\tdisplay_name = \"$service_2x->{'display_name'}\",");
-        }
-
-        dump_config_line($icinga2_cfg, "");
-
-        ####################################################
-        # macros
-        ####################################################
-
-        if(defined($service_2x->{'__I2CONVERT_MACROS'}) && $service_2x->{'__I2CONVERT_MACROS'} != 0) {
-            dump_config_line($icinga2_cfg, "\t\tmacros = {");
-            foreach my $macro_key (keys %{$service_2x->{'__I2CONVERT_MACROS'}}) {
-                next if $macro_key =~ /USER/;
-                dump_config_line($icinga2_cfg, "\t\t\t$macro_key = \"$service_2x->{'__I2CONVERT_MACROS'}->{$macro_key}\",");
-            }
-            dump_config_line($icinga2_cfg, "\t\t},");
-        }
-
-
-        ####################################################
-        # check_command
-        ####################################################
-        if(defined($service_2x->{'__I2_CONVERT_CHECKCOMMAND_NAME'})) {
-            dump_config_line($icinga2_cfg, "\t\tcheck_command = \"$service_2x->{'__I2_CONVERT_CHECKCOMMAND_NAME'}\",");
-        }
-
-        ####################################################
-        # servicegroups
-        ####################################################
-        if(defined($service_2x->{'servicegroups'}) && scalar(@{$service_2x->{'servicegroups'}}) > 0) {
-            #say Dumper($service_2x->{'servicegroups'});
-            my $servicegroups = join '", "', @{$service_2x->{'servicegroups'}};
-            if ($service_2x->{'__I2_CONVERT_SG_ADD'} == 1) {
-                dump_config_line($icinga2_cfg, "\t\tgroups += [ \"$servicegroups\" ],");
-            } else {
-                dump_config_line($icinga2_cfg, "\t\tgroups = [ \"$servicegroups\" ],");
-            }
-        }
-
-        ####################################################
-        # notifications
-        ####################################################
-        if(defined($service_2x->{'__I2CONVERT_NOTIFICATIONS'})) {
-            #say Dumper ($service_2x->{'__I2CONVERT_NOTIFICATIONS'});
-            # this is an array of notification objects
-            foreach my $service_notification_hash (@{$service_2x->{'__I2CONVERT_NOTIFICATIONS'}}) {
-
-                #say Dumper($service_notification_hash);
-
-                # this is a hash by unique key of the notification template, but all further attributes are seperatedly available too
-                foreach my $service_notification_key (keys %{$service_notification_hash}) {
-                    my $service_notification = $service_notification_hash->{$service_notification_key};
-                    #say Dumper($service_notification);
-
-                    # skip everything not related to service notifications
-                    next if ($service_notification->{'type'} ne 'service');
-
-                    dump_config_line($icinga2_cfg, "\t\tnotifications[\"$service_notification->{'name'}\"] = {");
-
-                    if (defined ($service_notification->{'templates'}) && @{$service_notification->{'templates'}} > 0) {
-                        my $service_notification_templates = join '", "', @{$service_notification->{'templates'}};
-                        dump_config_line($icinga2_cfg, "\t\t\ttemplates = [ \"$service_notification_templates\" ],");
-                    }
-
-                    if(defined($service_notification->{'users'}) && @{$service_notification->{'users'}} > 0) {
-                        my $service_users = join '", "', @{$service_notification->{'users'}};
-                        dump_config_line($icinga2_cfg, "\t\t\tusers = [ \"$service_users\" ],");
-                    }
-
-                    # this is set for escalations
-                    if(defined($service_notification->{'__I2CONVERT_NOTIFICATION_TIMES'}) && $service_notification->{'__I2CONVERT_NOTIFICATION_TIMES'} != 0) {
-                        dump_config_line($icinga2_cfg, "\t\t\ttimes = {");
-                        dump_config_line($icinga2_cfg, "\t\t\t\tbegin = $service_notification->{'__I2CONVERT_NOTIFICATION_TIMES'}->{'begin'},");
-                        dump_config_line($icinga2_cfg, "\t\t\t\tend = $service_notification->{'__I2CONVERT_NOTIFICATION_TIMES'}->{'end'}");
-                        dump_config_line($icinga2_cfg, "\t\t\t},");
-                    }
-
-                    dump_config_line($icinga2_cfg, "\t\t},");
-                }
-            }
-        }
-
-        if(defined($host_2x->{'__I2CONVERT_NOTIFICATIONS'}) && $host_2x->{'__I2CONVERT_HOSTCHECK'} eq $service_2x->{__I2CONVERT_SERVICEDESCRIPTION}) {
-            #say Dumper ($host_2x->{'__I2CONVERT_NOTIFICATIONS'});
-            # this is an array of notification objects
-            foreach my $host_notification_hash (@{$host_2x->{'__I2CONVERT_NOTIFICATIONS'}}) {
-
-                #say Dumper($host_notification_hash);
-
-                # this is a hash by unique key of the notification template, but all further attributes are seperatedly available too
-                foreach my $host_notification_key (keys %{$host_notification_hash}) {
-                    my $host_notification = $host_notification_hash->{$host_notification_key};
-                    #say Dumper($host_notification);
-
-                    # skip everything not related to host notifications
-                    next if ($host_notification->{'type'} ne 'host');
-
-                    dump_config_line($icinga2_cfg, "\t\tnotifications[\"$host_notification->{'name'}\"] = {");
-
-                    if (defined ($host_notification->{'templates'}) && @{$host_notification->{'templates'}} > 0) {
-                        my $host_notification_templates = join '", "', @{$host_notification->{'templates'}};
-                        dump_config_line($icinga2_cfg, "\t\t\ttemplates = [ \"$host_notification_templates\" ],");
-                    }
-
-                    if(defined($host_notification->{'users'}) && @{$host_notification->{'users'}} > 0) {
-                        my $host_users = join '", "', @{$host_notification->{'users'}};
-                        dump_config_line($icinga2_cfg, "\t\t\tusers = [ \"$host_users\" ],");
-                    }
-
-                    dump_config_line($icinga2_cfg, "\t\t},");
-                }
-            }
-        }
-
-        ####################################################
-        # other service attributes, if set
-        ####################################################
-        if(defined($service_2x->{'check_interval'})) {
-            dump_config_line($icinga2_cfg, "\t\tcheck_interval = $service_2x->{'check_interval'},");
-        }
-        if(defined($service_2x->{'retry_interval'})) {
-            dump_config_line($icinga2_cfg, "\t\tretry_interval = $service_2x->{'retry_interval'},");
-        }
-        if(defined($service_2x->{'max_check_attempts'})) {
-            dump_config_line($icinga2_cfg, "\t\tmax_check_attempts = $service_2x->{'max_check_attempts'},");
-        }
-        if(defined($service_2x->{'check_period'})) {
-            dump_config_line($icinga2_cfg, "\tcheck_period = \"$service_2x->{'check_period'}\",");
-        }
-
-        if(defined($service_2x->{'flap_detection_enabled'})) {
-            dump_config_line($icinga2_cfg, "\t\tenable_flapping = $service_2x->{'flap_detection_enabled'},");
-        }
-
-        ####################################################
-        # custom attr
-        ####################################################
-
-        if(defined($service_2x->{'__I2CONVERT_CUSTOM_ATTR'}) && $service_2x->{'__I2CONVERT_CUSTOM_ATTR'} != 0) {
-            dump_config_line($icinga2_cfg, "\t\tcustom = {");
-            foreach my $custom_key (keys %{$service_2x->{'__I2CONVERT_CUSTOM_ATTR'}}) {
-                dump_config_line($icinga2_cfg, "\t\t\t$custom_key = \"$service_2x->{'__I2CONVERT_CUSTOM_ATTR'}->{$custom_key}\",");
-            }
-            dump_config_line($icinga2_cfg, "\t\t},");
-        }
-
-        dump_config_line($icinga2_cfg, "\t},");
-        dump_config_line($icinga2_cfg, "");
-    }
-    dump_config_line($icinga2_cfg, "}");
-    dump_config_line($icinga2_cfg, "\n");
-}
-
-sub dump_user_2x {
-    my $icinga2_cfg = shift;
-    my $user_2x = shift;
-    my $object_type = "object"; # object or template
-    my $user_name = $user_2x->{'contact_name'}; # default, may be changed for templates
-
-    #say Dumper($user_2x);
-    if ($user_2x->{__I2CONVERT_IS_TEMPLATE} == 1) {
-        $object_type = "template";
-        $user_name = $user_2x->{'__I2CONVERT_TEMPLATE_NAME'};
-    }
-
-    ####################################################
-    # start, inherit from template?
-    ####################################################
-    if (defined($user_2x->{'__I2CONVERT_USES_TEMPLATE'}) && $user_2x->{'__I2CONVERT_USES_TEMPLATE'} == 1) {
-        my $user_2x_templates = join '", "', @{$user_2x->{'__I2CONVERT_TEMPLATE_NAMES'}};
-        dump_config_line($icinga2_cfg, "$object_type User \"$user_name\" inherits \"$user_2x_templates\" {");
-    } else {
-        dump_config_line($icinga2_cfg, "$object_type User \"$user_name\" {");
-    }
-
-    if(defined($user_2x->{'display_name'})) {
-        dump_config_line($icinga2_cfg, "\tdisplay_name = \"$user_2x->{'display_name'}\",");
-    }
-
-    ####################################################
-    # macros
-    ####################################################
-
-    if(defined($user_2x->{'__I2CONVERT_MACROS'}) && $user_2x->{'__I2CONVERT_MACROS'} != 0) {
-        dump_config_line($icinga2_cfg, "\tmacros = {");
-        foreach my $macro_key (keys %{$user_2x->{'__I2CONVERT_MACROS'}}) {
-            next if $macro_key =~ /USER/;
-            dump_config_line($icinga2_cfg, "\t\t$macro_key = \"$user_2x->{'__I2CONVERT_MACROS'}->{$macro_key}\",");
-        }
-        dump_config_line($icinga2_cfg, "\t},");
-    }
-
-    dump_config_line($icinga2_cfg, "");
-
-    ####################################################
-    # notifications
-    ####################################################
-
-    if(defined($user_2x->{'notification_period'})) {
-        dump_config_line($icinga2_cfg, "\tnotification_period = \"$user_2x->{'notification_period'}\",");
-    }
-
-    if(defined($user_2x->{'__I2CONVERT_NOTIFICATION_FILTERS'})) {
-        foreach my $by (keys %{$user_2x->{'__I2CONVERT_NOTIFICATION_FILTERS'}}) {
-            next if !@{$user_2x->{'__I2CONVERT_NOTIFICATION_FILTERS'}->{$by}};
-            my $notification_filter;
-            if (grep /0/, @{$user_2x->{'__I2CONVERT_NOTIFICATION_FILTERS'}->{$by}}) {
-                $notification_filter = 0;
-            } else {
-                $notification_filter = "(". (join ' | ', @{$user_2x->{'__I2CONVERT_NOTIFICATION_FILTERS'}->{$by}}) .")";
-            }
-            dump_config_line($icinga2_cfg, "\tnotification_".$by."_filter = $notification_filter,");
-        }
-    }
-
-    if(defined($user_2x->{'notifications_enabled'})) {
-        dump_config_line($icinga2_cfg, "\tenable_notifications = \"$user_2x->{'notifications_enabled'}\",");
-    }
-    ####################################################
-    # usergroups
-    ####################################################
-    if(defined($user_2x->{'usergroups'})) {
-        #say Dumper($user_2x->{'usergroups'});
-        my $usergroups = join '", "', @{$user_2x->{'usergroups'}};
-        if ($user_2x->{'__I2_CONVERT_UG_ADD'} == 1) {
-            dump_config_line($icinga2_cfg, "\tgroups += [ \"$usergroups\" ],");
-        } else {
-            dump_config_line($icinga2_cfg, "\tgroups = [ \"$usergroups\" ],");
-        }
-    }
-
-    ####################################################
-    # custom attr
-    ####################################################
-
-    if(defined($user_2x->{'__I2CONVERT_CUSTOM_ATTR'}) && $user_2x->{'__I2CONVERT_CUSTOM_ATTR'} != 0) {
-        dump_config_line($icinga2_cfg, "\tcustom = {");
-        foreach my $custom_key (keys %{$user_2x->{'__I2CONVERT_CUSTOM_ATTR'}}) {
-            dump_config_line($icinga2_cfg, "\t\t$custom_key = \"$user_2x->{'__I2CONVERT_CUSTOM_ATTR'}->{$custom_key}\",");
-        }
-        dump_config_line($icinga2_cfg, "\t},");
-    }
-
-    dump_config_line($icinga2_cfg, "");
-    dump_config_line($icinga2_cfg, "}");
-    dump_config_line($icinga2_cfg, "\n");
-}
-
-sub dump_notification_2x {
-    my $icinga2_cfg = shift;
-    my $notification_2x = shift;
-    my $object_type = "object"; # object or template
-    my $notification_name = $notification_2x->{'__I2CONVERT_NOTIFICATION_NAME'}; # default, may be changed for templates
-
-    #say Dumper($notification_2x);
-    if ($notification_2x->{__I2CONVERT_IS_TEMPLATE} == 1) {
-        $object_type = "template";
-        $notification_name = $notification_2x->{'__I2CONVERT_NOTIFICATION_TEMPLATE_NAME'};
-    }
-
-    return if (!defined($notification_name));
-
-    ####################################################
-    # start, inherit from template?
-    ####################################################
-    if (defined($notification_2x->{'__I2CONVERT_USES_TEMPLATE'}) && $notification_2x->{'__I2CONVERT_USES_TEMPLATE'} == 1) {
-        my $notification_2x_templates = join '", "', @{$notification_2x->{'__I2CONVERT_TEMPLATE_NAMES'}};
-        dump_config_line($icinga2_cfg, "$object_type Notification \"$notification_name\" inherits \"$notification_2x_templates\" {");
-    } else {
-        dump_config_line($icinga2_cfg, "$object_type Notification \"$notification_name\" {");
-    }
-
-    if(defined($notification_2x->{'display_name'})) {
-        dump_config_line($icinga2_cfg, "\tdisplay_name = \"$notification_2x->{'display_name'}\",");
-    }
-
-    if(defined($notification_2x->{'__I2CONVERT_NOTIFICATION_COMMAND'})) {
-        #say Dumper($notifications_2x->{'notification_command'});
-        dump_config_line($icinga2_cfg, "\tnotification_command = \"$notification_2x->{'__I2CONVERT_NOTIFICATION_COMMAND'}\",");
-    }
-
-    if(defined($notification_2x->{'export_macros'})) {
-        #say Dumper($notification_2x->{'export_macros'});
-        my $export_macros = join '",\n"', @{$notification_2x->{'export_macros'}};
-        dump_config_line($icinga2_cfg, "\texport_macros = [ \"$export_macros\" ],");
-    }
-
-    if(defined($notification_2x->{'users'}) && @{$notification_2x->{'users'}} > 0) {
-        my $service_users = join '", "', @{$notification_2x->{'users'}};
-        dump_config_line($icinga2_cfg, "\tusers = [ \"$service_users\" ],");
-    }
-
-    if(defined($notification_2x->{'usergroups'}) && @{$notification_2x->{'usergroups'}} > 0) {
-        my $service_usergroups = join '", "', @{$notification_2x->{'usergroups'}};
-        dump_config_line($icinga2_cfg, "\tusergroups = [ \"$service_usergroups\" ],");
-    }
-
-    if(defined($notification_2x->{'__I2CONVERT_NOTIFICATION_FILTERS'})) {
-        foreach my $by (keys %{$notification_2x->{'__I2CONVERT_NOTIFICATION_FILTERS'}}) {
-            next if !@{$notification_2x->{'__I2CONVERT_NOTIFICATION_FILTERS'}->{$by}};
-            my $notification_filter;
-            if (grep /0/, @{$notification_2x->{'__I2CONVERT_NOTIFICATION_FILTERS'}->{$by}}) {
-                $notification_filter = 0;
-            } else {
-                $notification_filter = "(". (join ' | ', @{$notification_2x->{'__I2CONVERT_NOTIFICATION_FILTERS'}->{$by}}) .")";
-            }
-            dump_config_line($icinga2_cfg, "\tnotification_".$by."_filter = $notification_filter,");
-        }
-    }
-
-    if(defined($notification_2x->{'__I2CONVERT_NOTIFICATION_INTERVAL'})) {
-        dump_config_line($icinga2_cfg, "\tnotification_interval = $notification_2x->{'__I2CONVERT_NOTIFICATION_INTERVAL'},");
-    }
-
-    if(defined($notification_2x->{'__I2CONVERT_NOTIFICATION_PERIOD'})) {
-        dump_config_line($icinga2_cfg, "\tnotification_period = \"$notification_2x->{'__I2CONVERT_NOTIFICATION_PERIOD'}\",");
-    }
-
-    # this is set for escalations
-    if(defined($notification_2x->{'__I2CONVERT_NOTIFICATION_TIMES'}) && $notification_2x->{'__I2CONVERT_NOTIFICATION_TIMES'} != 0) {
-        dump_config_line($icinga2_cfg, "\ttimes = {");
-        dump_config_line($icinga2_cfg, "\t\tbegin = $notification_2x->{'__I2CONVERT_NOTIFICATION_TIMES'}->{'begin'},");
-        dump_config_line($icinga2_cfg, "\t\tend = $notification_2x->{'__I2CONVERT_NOTIFICATION_TIMES'}->{'end'}");
-        dump_config_line($icinga2_cfg, "\t},");
-    }
-
-    dump_config_line($icinga2_cfg, "");
-    dump_config_line($icinga2_cfg, "}");
-    dump_config_line($icinga2_cfg, "\n");
-}
-
-
-sub dump_timeperiod_2x {
-    my $icinga2_cfg = shift;
-    my $object_type = "object"; # object or template
-    my $timeperiod_2x = shift;
-    my $timeperiod_name = $timeperiod_2x->{'timeperiod_name'};
-
-    #say Dumper($timeperiod_2x);
-    if ($timeperiod_2x->{__I2CONVERT_IS_TEMPLATE} == 1) {
-        $object_type = "template";
-        $timeperiod_name = $timeperiod_2x->{'__I2CONVERT_TEMPLATE_NAME'};
-    }
-
-    ####################################################
-    # start, inherit from template?
-    ####################################################
-    if (defined($timeperiod_2x->{'__I2CONVERT_USES_TEMPLATE'}) && $timeperiod_2x->{'__I2CONVERT_USES_TEMPLATE'} == 1) {
-        my $timeperiod_2x_templates = join '", "', @{$timeperiod_2x->{'__I2CONVERT_TEMPLATE_NAMES'}};
-        dump_config_line($icinga2_cfg, "$object_type TimePeriod \"$timeperiod_name\" inherits \"$timeperiod_2x_templates\" {");
-    } else {
-        dump_config_line($icinga2_cfg, "$object_type TimePeriod \"$timeperiod_name\" {");
-    }
-
-    # display_name is seperated at first position
-    if(defined($timeperiod_2x->{'display_name'})) {
-        dump_config_line($icinga2_cfg, "\tdisplay_name = \"$timeperiod_2x->{'display_name'}\",");
-    }
-
-    dump_config_line($icinga2_cfg, "\tranges = {");
-
-    # dump all possible keys (there's no fixed string attr here)
-    foreach my $key (sort (keys %{$timeperiod_2x})) {
-        if ($key !~ /__I2CONVERT/ &&
-            $key ne 'alias' &&
-            $key ne 'name' &&
-            $key ne 'timeperiod_name' &&
-            $key ne 'display_name' &&
-            $key ne 'use'
-        ) {
-            dump_config_line($icinga2_cfg, "\t\t\"$key\" \t= \"$timeperiod_2x->{$key}\",");
-        }
-    }
-
-    dump_config_line($icinga2_cfg, "\t},");
-    dump_config_line($icinga2_cfg, "");
-    dump_config_line($icinga2_cfg, "}");
-    dump_config_line($icinga2_cfg, "\n");
-}
-
-sub dump_group_2x {
-    my $icinga2_cfg = shift;
-    my $group_2x = shift;
-    my $group_name_attr = $group_2x->{__I2CONVERT_TYPE} . "_name";
-    my $group_name = $group_2x->{$group_name_attr};
-    my $group_type = ucfirst("$group_2x->{__I2CONVERT_TYPE}");
-    $group_type =~ s/group/Group/;
-
-    #say Dumper($group_2x);
-
-    dump_config_line($icinga2_cfg, "object $group_type \"$group_name\" {");
-    if(defined($group_2x->{'display_name'})) {
-        dump_config_line($icinga2_cfg, "\tdisplay_name = \"$group_2x->{'display_name'}\",");
-    }
-
-    ####################################################
-    # custom attr
-    ####################################################
-
-    if(defined($group_2x->{'__I2CONVERT_CUSTOM_ATTR'}) && $group_2x->{'__I2CONVERT_CUSTOM_ATTR'} != 0) {
-        dump_config_line($icinga2_cfg, "\tcustom = {");
-        foreach my $custom_key (keys %{$group_2x->{'__I2CONVERT_CUSTOM_ATTR'}}) {
-            dump_config_line($icinga2_cfg, "\t\t$custom_key = \"$group_2x->{'__I2CONVERT_CUSTOM_ATTR'}->{$custom_key}\",");
-        }
-        dump_config_line($icinga2_cfg, "\t},");
-    }
-
-    dump_config_line($icinga2_cfg, "");
-    dump_config_line($icinga2_cfg, "}");
-    dump_config_line($icinga2_cfg, "\n");
-}
-
-sub dump_command_2x {
-    my $icinga2_cfg = shift;
-    my $command_2x = shift;
-    my $command_name = $command_2x->{'__I2CONVERT_COMMAND_NAME'};
-    my $command_line = $command_2x->{'__I2CONVERT_COMMAND_LINE'};
-    my $command_type = ucfirst("$command_2x->{__I2CONVERT_COMMAND_TYPE}Command");
-    my $object_type = "object";
-
-    #say Dumper($command_2x);
-    # skip used commands
-    if ($command_2x->{'__I2_CONVERT_NOTIFICATION_COMMAND_USED'} == 1) {
-        #say "Skipping already processed notification command" . Dumper($command_2x);
-        return;
-    }
-
-    if ($command_2x->{__I2CONVERT_IS_TEMPLATE} == 1) {
-        $object_type = "template";
-        $command_name = $command_2x->{'__I2CONVERT_TEMPLATE_NAME'};
-    }
-
-    ####################################################
-    # start, inherit from template?
-    ####################################################
-    if (defined($command_2x->{'__I2CONVERT_USES_TEMPLATE'}) && $command_2x->{'__I2CONVERT_USES_TEMPLATE'} == 1) {
-        my $command_2x_templates = join '", "', @{$command_2x->{'__I2CONVERT_TEMPLATE_NAMES'}};
-        dump_config_line($icinga2_cfg, "$object_type $command_type \"$command_name\" inherits \"$command_2x_templates\" {");
-    } else {
-        dump_config_line($icinga2_cfg, "$object_type $command_type \"$command_name\" {");
-    }
-
-    ####################################################
-    # attributes
-    ####################################################
-    if(defined($command_2x->{'display_name'})) {
-        dump_config_line($icinga2_cfg, "\tdisplay_name = \"$command_2x->{'display_name'}\",");
-    }
-
-    if(defined($command_line)) {
-        dump_config_line($icinga2_cfg, "\tcommand = \"$command_line\",");
-    }
-
-    dump_config_line($icinga2_cfg, "");
-    dump_config_line($icinga2_cfg, "}");
-    dump_config_line($icinga2_cfg, "\n");
-}
-
-
-=pod
-UTILS
-=cut
-
-################################################################################
-# HELPER FUNCTIONS
-################################################################################
-
-sub strip {
-    my $str = shift;
-
-    #strip trailing and leading whitespaces
-    $str =~ s/^\s+//;
-    $str =~ s/\s+$//;
-
-    return $str;
-}
-
-sub errlog {
-    my $err_lvl = shift;
-    my $log_str = shift;
-
-    if ($err_lvl > 0) {
-        print STDERR color("red"), "$log_str\n";;
-    } else {
-        print "$log_str\n";
-    }
-
-}
-
-sub escape_str {
-    my $str = shift;
-
-    $str =~s/\\/\\\\/g;
-    $str =~ s/"/\\"/g;
-
-    return $str;
-}
-sub escape_shell_meta {
-    my $str = shift;
-
-    $str =~ s/([;<>`'":&!#\$\[\]\{\}\(\)\*\|])/\\$1/g;
-    return $str;
-}
-
-sub debug {
-    my $dbg_str = shift;
-    our $dbg_lvl;
-
-    if ($dbg_lvl > 0) {
-        print "$dbg_str\n";
-    }
-}
-
-sub slurp {
-    my $file = shift;
-
-    if ( -f $file ) {
-        open ( my $fh, "<", $file ) or die "Could not open $file: $!";
-        return do {
-            <$fh>;
-        }
-    } elsif (! -r $file) {
-        print " ERROR: $file not readable. check permissions/user!\n"
-    } else {
-        print " ERROR: $file does not exist\n";
-    }
-}
-
-# stolen from http://stackoverflow.com/questions/7651/how-do-i-remove-duplicate-items-from-an-array-in-perl
-sub uniq {
-    return keys %{{ map { $_ => 1 } @_ }};
-}
-
-sub str2arr_by_delim_without_excludes {
-    my $str = shift;
-    my $delim = shift;
-    my $sort = shift;
-    my $exclude = shift;
-    my @arr = ();
-
-    @arr = map { s/^\s+//; s/\s+$//; $_ }
-            grep { !/^!/ }
-            split (/$delim/, $str);
-
-    if ($sort == 1) {
-        @arr = sort (@arr);
-    }
-
-    return @arr;
-}
-
-sub strip_object_name {
-    my $obj_str = shift;
-
-    #$obj_str =~ s/[`~!\\\$%\^&\*|'"<>\?,\(\)=:]/_/g;
-    $obj_str =~ s/[:]/_/g;
-
-    return $obj_str;
-}
-
-sub print_sorted_hash {
-    my $hash = shift;
-
-    foreach my $key (sort keys %{$hash}) {
-        print "$key = $hash->{$key}\n";
-    }
-}
-
-1;
-
-__END__
-# vi: sw=4 ts=4 expandtab :