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pandorafms/pandora_server/lib/PandoraFMS/DataServer.pm

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package PandoraFMS::DataServer;
##########################################################################
# Pandora FMS Data Server.
# Pandora FMS. the Flexible Monitoring System. http://www.pandorafms.org
##########################################################################
# Copyright (c) 2005-2011 Artica Soluciones Tecnologicas S.L
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public License
# as published by the Free Software Foundation; version 2
# 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
##########################################################################
use strict;
use warnings;
use threads;
use threads::shared;
use Thread::Semaphore;
use Time::Local;
use XML::Simple;
use POSIX qw(setsid strftime);
# For Reverse Geocoding
use LWP::Simple;
# Default lib dir for RPM and DEB packages
use lib '/usr/lib/perl5';
use PandoraFMS::Tools;
use PandoraFMS::DB;
use PandoraFMS::Core;
use PandoraFMS::ProducerConsumerServer;
# Inherits from PandoraFMS::ProducerConsumerServer
our @ISA = qw(PandoraFMS::ProducerConsumerServer);
# Global variables
my @TaskQueue :shared;
my %PendingTasks :shared;
my %Agents :shared;
my $Sem :shared;
my $TaskSem :shared;
my $AgentSem :shared;
my $ModuleSem :shared;
########################################################################################
# Data Server class constructor.
########################################################################################
sub new ($$;$) {
my ($class, $config, $dbh) = @_;
return undef unless $config->{'dataserver'} == 1;
# Initialize semaphores and queues
@TaskQueue = ();
%PendingTasks = ();
%Agents = ();
$Sem = Thread::Semaphore->new;
$TaskSem = Thread::Semaphore->new (0);
$AgentSem = Thread::Semaphore->new (1);
$ModuleSem = Thread::Semaphore->new (1);
# Call the constructor of the parent class
my $self = $class->SUPER::new($config, DATASERVER, \&PandoraFMS::DataServer::data_producer, \&PandoraFMS::DataServer::data_consumer, $dbh);
bless $self, $class;
return $self;
}
###############################################################################
# Run.
###############################################################################
sub run ($) {
my $self = shift;
my $pa_config = $self->getConfig ();
print_message ($pa_config, " [*] Starting Pandora FMS Data Server.", 1);
$self->setNumThreads ($pa_config->{'dataserver_threads'});
$self->SUPER::run (\@TaskQueue, \%PendingTasks, $Sem, $TaskSem);
}
###############################################################################
# Data producer.
###############################################################################
sub data_producer ($) {
my $self = shift;
my $pa_config = $self->getConfig ();
my @tasks;
my @files;
my @sorted;
# Open the incoming directory
opendir (DIR, $pa_config->{'incomingdir'})
|| die "[FATAL] Cannot open Incoming data directory at " . $pa_config->{'incomingdir'} . ": $!";
# Do not read more than max_queue_files files
my $file_count = 0;
while (my $file = readdir (DIR)) {
# Data files must have the extension .data
next if ($file !~ /^.*[\._]\d+\.data$/);
# Do not queue more than max_queue_files files
if ($file_count >= $pa_config->{"max_queue_files"}) {
last;
}
push (@files, $file);
$file_count++;
}
closedir(DIR);
# Sort the queue
{
# Temporarily disable warnings (some files may have been deleted)
no warnings;
if ($pa_config->{'dataserver_lifo'} == 0) {
@sorted = sort { -M $pa_config->{'incomingdir'} . "/$b" <=> -M $pa_config->{'incomingdir'} . "/$a" || $a cmp $b } (@files);
} else {
@sorted = sort { -M $pa_config->{'incomingdir'} . "/$a" <=> -M $pa_config->{'incomingdir'} . "/$b" || $b cmp $a } (@files);
}
}
# Do not process more than one XML from the same agent at the same time
foreach my $file (@sorted) {
next if ($file !~ /^(.*)[\._]\d+\.data$/);
my $agent_name = $1;
$AgentSem->down ();
if (defined ($Agents{$agent_name})) {
$AgentSem->up ();
next;
}
$Agents{$agent_name} = 1;
$AgentSem->up ();
push (@tasks, $file);
}
return @tasks;
}
###############################################################################
# Data consumer.
###############################################################################
sub data_consumer ($$) {
my ($self, $task) = @_;
my ($pa_config, $dbh) = ($self->getConfig (), $self->getDBH ());
return unless ($task =~ /^(.*)[\._]\d+\.data$/);
my $agent_name = $1;
my $file_name = $pa_config->{'incomingdir'};
my $xml_err;
# Fix path
$file_name .= "/" unless (substr ($file_name, -1, 1) eq '/');
$file_name .= $task;
# Double check that the file exists
if (! -f $file_name) {
$AgentSem->down ();
delete ($Agents{$agent_name});
$AgentSem->up ();
return;
}
# Try to parse the XML 2 times, with a delay between tries of 2 seconds
my $xml_data;
for (0..1) {
eval {
threads->yield;
$xml_data = XMLin ($file_name, forcearray => 'module');
};
# Invalid XML
if ($@ || ref($xml_data) ne 'HASH') {
if ($@) {
$xml_err = $@;
} else {
$xml_err = "Invalid XML format.";
}
sleep (2);
next;
}
# Ignore the timestamp in the XML and use the file timestamp instead
$xml_data->{'timestamp'} = strftime ("%Y-%m-%d %H:%M:%S", localtime((stat($file_name))[9])) if ($pa_config->{'use_xml_timestamp'} eq '1' || ! defined ($xml_data->{'timestamp'}));
# Double check that the file exists
if (! -f $file_name) {
$AgentSem->down ();
delete ($Agents{$agent_name});
$AgentSem->up ();
return;
}
unlink ($file_name);
if (defined($xml_data->{'server_name'})) {
process_xml_server ($self->getConfig (), $file_name, $xml_data, $self->getDBH ());
} else {
process_xml_data ($self->getConfig (), $file_name, $xml_data, $self->getServerID (), $self->getDBH ());
}
$AgentSem->down ();
delete ($Agents{$agent_name});
$AgentSem->up ();
return;
}
rename($file_name, $file_name . '_BADXML');
pandora_event ($pa_config, "Unable to process XML data file '$file_name': $xml_err", 0, 0, 0, 0, 0, 'error', 0, $dbh);
$AgentSem->down ();
delete ($Agents{$agent_name});
$AgentSem->up ();
}
###############################################################################
# Process XML data coming from an agent.
###############################################################################
sub process_xml_data ($$$$$) {
my ($pa_config, $file_name, $data, $server_id, $dbh) = @_;
my ($agent_name, $agent_version, $timestamp, $interval, $os_version, $timezone_offset, $custom_id, $url_address) =
($data->{'agent_name'}, $data->{'version'}, $data->{'timestamp'},
$data->{'interval'}, $data->{'os_version'}, $data->{'timezone_offset'},
$data->{'custom_id'}, $data->{'url_address'});
# Timezone offset must be an integer beween -12 and +12
if (!defined($timezone_offset) || $timezone_offset !~ /[-+]?[0-9,11,12]/) {
$timezone_offset = 0;
}
# Parent Agent Name
my $parent_id = 0; # Default value for unknown parent
my $parent_agent_name = $data->{'parent_agent_name'};
if (defined ($parent_agent_name) && $parent_agent_name ne '') {
$parent_id = get_agent_id ($dbh, $parent_agent_name);
if ($parent_id < 1) { # Unknown parent
$parent_id = 0;
}
}
# Unknown agent!
if (! defined ($agent_name) || $agent_name eq '') {
logger($pa_config, "$file_name has data from an unnamed agent", 3);
return;
}
# Get current datetime from system if value AUTO is coming in the XML
if ( $data->{'timestamp'} =~ /AUTO/ ){
$timestamp = strftime ("%Y/%m/%d %H:%M:%S", localtime());
}
# Apply an offset to the timestamp
elsif ($timezone_offset != 0) {
# Modify the timestamp with the timezone_offset
logger($pa_config, "Applied a timezone offset of $timestamp to agent " . $data->{'agent_name'}, 10);
# Calculate the start date to add the offset
my $utimestamp = 0;
eval {
if ($timestamp =~ /(\d+)[\/|\-](\d+)[\/|\-](\d+) +(\d+):(\d+):(\d+)/) {
$utimestamp = timelocal($6, $5, $4, $3, $2 -1 , $1 - 1900);
}
};
# Apply the offset if there were no errors
if (! $@ && $utimestamp != 0) {
$timestamp = strftime ("%Y-%m-%d %H:%M:%S", localtime($utimestamp + ($timezone_offset * 3600)));
}
}
# Check some variables
$interval = 300 if (! defined ($interval) || $interval eq '');
$os_version = 'N/A' if (! defined ($os_version) || $os_version eq '');
# Get agent address from the XML if available
my $address = '' ;
my @address_list;
if (defined ($data->{'address'}) && $data->{'address'} ne '') {
@address_list = split (',', $data->{'address'});
# Trim addresses
for (my $i = 0; $i <= $#address_list; $i++) {
$address_list[$i] =~ s/^\s+|\s+$//g ;
}
# Save the first address as the main address
$address = $address_list[0];
$address =~ s/^\s+|\s+$//g ;
shift (@address_list);
}
# Get agent id
my $agent_id = get_agent_id ($dbh, $agent_name);
if ($agent_id < 1) {
if ($pa_config->{'autocreate'} == 0) {
logger($pa_config, "ERROR: There is no agent defined with name $agent_name", 3);
return;
}
# Get OS, group and description
my $os = pandora_get_os ($dbh, $data->{'os_name'});
my $group_id = $pa_config->{'autocreate_group'};
if (! defined (get_group_name ($dbh, $group_id))) {
if (defined ($data->{'group'}) && $data->{'group'} ne '') {
$group_id = get_group_id ($dbh, $data->{'group'});
if (! defined (get_group_name ($dbh, $group_id))) {
pandora_event ($pa_config, "Unable to create agent '$agent_name': group '" . $data->{'group'} . "' does not exist.", 0, 0, 0, 0, 0, 'error', 0, $dbh);
logger($pa_config, "Group " . $data->{'group'} . " does not exist.", 3);
return;
}
} else {
pandora_event ($pa_config, "Unable to create agent '$agent_name': autocreate_group $group_id does not exist. Edit the pandora_server.conf file and change it.", 0, 0, 0, 0, 0, 'error', 0, $dbh);
logger($pa_config, "Group id $group_id does not exist (check autocreate_group config token).", 3);
return;
}
}
my $description = '';
$description = $data->{'description'} if (defined ($data->{'description'}));
$agent_id = pandora_create_agent($pa_config, $pa_config->{'servername'}, $agent_name, $address, $group_id, $parent_id, $os,
$description, $interval, $dbh, $timezone_offset, undef, undef, undef, undef, $custom_id, $url_address);
if (! defined ($agent_id)) {
return;
}
# Add the main address to the address list
if ($address ne '') {
pandora_add_agent_address($pa_config, $agent_id, $agent_name, $address, $dbh);
}
# Process custom fields
if(defined($data->{'custom_fields'})) {
foreach my $custom_fields (@{$data->{'custom_fields'}}) {
foreach my $custom_field (@{$custom_fields->{'field'}}) {
my $cf_name = get_tag_value ($custom_field, 'name', '');
logger($pa_config, "Processing custom field '" . $cf_name . "'", 10);
# Check if the custom field exists
my $custom_field_info = get_db_single_row ($dbh, 'SELECT * FROM tagent_custom_fields WHERE name = ?', safe_input($cf_name));
# If it exists add the value to the agent
if (defined ($custom_field_info)) {
my $cf_value = get_tag_value ($custom_field, 'value', '');
my $field_agent;
$field_agent->{'id_agent'} = $agent_id;
$field_agent->{'id_field'} = $custom_field_info->{'id_field'};
$field_agent->{'description'} = $cf_value;
db_process_insert($dbh, 'id_field', 'tagent_custom_data', $field_agent);
}
else {
logger($pa_config, "The custom field '" . $cf_name . "' does not exist. Discarded from XML", 5);
}
}
}
}
}
# Get the data of the agent, if fail return
my $agent = get_db_single_row ($dbh, 'SELECT * FROM tagente WHERE id_agente = ?', $agent_id);
if (!defined ($agent)) {
logger($pa_config, "Error retrieving information for agent ID $agent_id",10);
return;
}
# Check if agent is disabled and return if it's disabled. Disabled agents doesnt process data
# in order to avoid not only events, also possible invalid data coming from agents.
return if ($agent->{'disabled'} == 1);
# Do not overwrite agent parameters if the agent is in normal mode
if ($agent->{'modo'} == 0) {;
$interval = $agent->{'intervalo'};
$os_version = $agent->{'os_version'};
$agent_version = $agent->{'agent_version'};
$timezone_offset = $agent->{'timezone_offset'};
$parent_id = $agent->{'id_parent'};
}
# Learning mode
else {
# Update the main address
if ($address ne '' && $address ne $agent->{'direccion'}) {
pandora_update_agent_address ($pa_config, $agent_id, $agent_name, $address, $dbh);
pandora_add_agent_address($pa_config, $agent_id, $agent_name, $address, $dbh);
}
# Update additional addresses
foreach my $address (@address_list) {
pandora_add_agent_address($pa_config, $agent_id, $agent_name, $address, $dbh);
}
# Update parent if is allowed and is valid
if ($pa_config->{'update_parent'} == 1 && $parent_id != 0) {
logger($pa_config, "Updating agent $agent_name parent_id: $parent_id", 5);
}
else {
$parent_id = $agent->{'id_parent'};
}
# Process custom fields for update
if(defined($data->{'custom_fields'})) {
foreach my $custom_fields (@{$data->{'custom_fields'}}) {
foreach my $custom_field (@{$custom_fields->{'field'}}) {
my $cf_name = get_tag_value ($custom_field, 'name', '');
logger($pa_config, "Processing custom field '" . $cf_name . "'", 10);
# Check if the custom field exists
my $custom_field_info = get_db_single_row ($dbh, 'SELECT * FROM tagent_custom_fields WHERE name = ?', safe_input($cf_name));
# If it exists add the value to the agent
if (defined ($custom_field_info)) {
my $custom_field_data = get_db_single_row($dbh, 'SELECT * FROM tagent_custom_data WHERE id_field = ? AND id_agent = ?',
$custom_field_info->{"id_field"}, $agent->{"id_agente"});
my $cf_value = get_tag_value ($custom_field, 'value', '');
#If not defined we must create if defined just updated
if(!defined($custom_field_data)) {
my $field_agent;
$field_agent->{'id_agent'} = $agent_id;
$field_agent->{'id_field'} = $custom_field_info->{'id_field'};
$field_agent->{'description'} = $cf_value;
db_process_insert($dbh, 'id_field', 'tagent_custom_data', $field_agent);
} else {
db_update ($dbh, "UPDATE tagent_custom_data SET description = ? WHERE id_field = ? AND id_agent = ?",
$cf_value ,$custom_field_info->{"id_field"}, $agent->{'id_agente'});
}
}
else {
logger($pa_config, "The custom field '" . $cf_name . "' does not exist. Discarded from XML", 5);
}
}
}
}
}
# Update agent information
pandora_update_agent($pa_config, $timestamp, $agent_id, $os_version, $agent_version, $interval, $dbh, $timezone_offset, $parent_id);
# Update GIS data
if ($pa_config->{'activate_gis'} != 0 && $agent->{'update_gis_data'} == 1) {
pandora_update_gis_data ($pa_config, $dbh, $agent_id, $agent_name, $data->{'longitude'}, $data->{'latitude'}, $data->{'altitude'}, $data->{'position_description'}, $timestamp);
}
# Update keep alive modules
pandora_module_keep_alive ($pa_config, $agent_id, $agent_name, $server_id, $dbh);
# Process modules
foreach my $module_data (@{$data->{'module'}}) {
my $module_name = get_tag_value ($module_data, 'name', '');
# Clean module_name because sometimes due to errors or problems
# creating XMLs it could contain carriage returns and later they
# are a pain when you update module configuration because the name won't
# save the carriage return.
$module_name =~ s/\r//g;
$module_name =~ s/\n//g;
# Unnamed module
next if ($module_name eq '');
my $module_type = get_tag_value ($module_data, 'type', 'generic_data');
# Single data
if (! defined ($module_data->{'datalist'})) {
my $data_timestamp = get_tag_value ($module_data, 'timestamp', $timestamp);
process_module_data ($pa_config, $module_data, $server_id, $agent_name, $module_name, $module_type, $interval, $data_timestamp, $dbh);
next;
}
# Data list
foreach my $list (@{$module_data->{'datalist'}}) {
# Empty list
next unless defined ($list->{'data'});
foreach my $data (@{$list->{'data'}}) {
# No value
next unless defined ($data->{'value'});
$module_data->{'data'} = $data->{'value'};
my $data_timestamp = get_tag_value ($data, 'timestamp', $timestamp);
process_module_data ($pa_config, $module_data, $server_id, $agent_name, $module_name,
$module_type, $interval, $data_timestamp, $dbh);
}
}
}
# Process inventory modules
enterprise_hook('process_inventory_data', [$pa_config, $data, $server_id, $agent_name,
$interval, $timestamp, $dbh]);
# Process log modules
enterprise_hook('process_log_data', [$pa_config, $data, $server_id, $agent_name,
$interval, $timestamp, $dbh]);
}
##########################################################################
# Process module data, creating module if necessary.
##########################################################################
sub process_module_data ($$$$$$$$$) {
my ($pa_config, $data, $server_id, $agent_name,
$module_name, $module_type, $interval, $timestamp,
$dbh) = @_;
# Get agent data
my $agent = get_db_single_row ($dbh, 'SELECT * FROM tagente WHERE nombre = ?', safe_input($agent_name));
if (! defined ($agent)) {
logger($pa_config, "Invalid agent '$agent_name' for module '$module_name'.", 3);
return;
}
# Get module parameters, matching column names in tagente_modulo
my $module_conf;
# Supported tags
my $tags = {'name' => 0, 'data' => 0, 'type' => 0, 'description' => 0, 'max' => 0,
'min' => 0, 'descripcion' => 0, 'post_process' => 0, 'module_interval' => 0, 'min_critical' => 0,
'max_critical' => 0, 'min_warning' => 0, 'max_warning' => 0, 'disabled' => 0, 'min_ff_event' => 0,
'datalist' => 0, 'status' => 0, 'unit' => 0, 'timestamp' => 0, 'module_group' => 0, 'custom_id' => '',
'str_warning' => '', 'str_critical' => '', 'critical_instructions' => '', 'warning_instructions' => '',
'unknown_instructions' => '', 'tags' => '', 'critical_inverse' => 0, 'warning_inverse' => 0, 'quiet' => 0,
'module_ff_interval' => 0};
# Other tags will be saved here
$module_conf->{'extended_info'} = '';
# Read tags
while (my ($tag, $value) = each (%{$data})) {
if (defined ($tags->{$tag})) {
$module_conf->{$tag} = get_tag_value ($data, $tag, '');
} else {
$module_conf->{'extended_info'} .= "$tag: " . get_tag_value ($data, $tag, '') . '<br/>';
}
}
# Description XML tag and column name don't match
$module_conf->{'descripcion'} = $module_conf->{'description'};
$module_conf->{'descripcion'} = '' unless defined ($module_conf->{'descripcion'});
delete $module_conf->{'description'};
# Name XML tag and column name don't match
$module_conf->{'nombre'} = safe_input($module_name);
delete $module_conf->{'name'};
# Calculate the module interval in seconds
$module_conf->{'module_interval'} = 1 unless defined ($module_conf->{'module_interval'});
$module_conf->{'module_interval'} *= $interval if (defined ($module_conf->{'module_interval'}));
# Allow , as a decimal separator
$module_conf->{'post_process'} =~ s/,/./ if (defined ($module_conf->{'post_process'}));
# avoid NULL columns
$module_conf->{'critical_instructions'} = '' unless defined ($module_conf->{'critical_instructions'});
$module_conf->{'warning_instructions'} = '' unless defined ($module_conf->{'warning_instructions'});
$module_conf->{'unknown_instructions'} = '' unless defined ($module_conf->{'unknown_instructions'});
$module_conf->{'disabled_types_event'} = '' unless defined ($module_conf->{'disabled_types_event'});
$module_conf->{'module_macros'} = '' unless defined ($module_conf->{'module_macros'});
# Get module data or create it if it does not exist
$ModuleSem->down ();
my $module = get_db_single_row ($dbh, 'SELECT * FROM tagente_modulo WHERE id_agente = ? AND ' . db_text ('nombre') . ' = ?', $agent->{'id_agente'}, safe_input($module_name));
if (! defined ($module)) {
# Do not auto create modules
if ($pa_config->{'autocreate'} ne '1') {
logger($pa_config, "Module '$module_name' not found for agent '$agent_name' and module auto-creation disabled.", 10);
$ModuleSem->up ();
return;
}
# Is the agent learning?
if ($agent->{'modo'} ne '1') {
logger($pa_config, "Learning mode disabled. Skipping module '$module_name' agent '$agent_name'.", 10);
$ModuleSem->up ();
return;
}
# Get the module type
$module_conf->{'id_tipo_modulo'} = get_module_id ($dbh, $module_type);
if ($module_conf->{'id_tipo_modulo'} <= 0) {
logger($pa_config, "Invalid module type '$module_type' for module '$module_name' agent '$agent_name'.", 3);
$ModuleSem->up ();
return;
}
# The group name has to be translated to a group ID
if (defined $module_conf->{'module_group'}) {
$module_conf->{'id_module_group'} = get_module_group_id ($dbh, $module_conf->{'module_group'});
delete $module_conf->{'module_group'};
}
$module_conf->{'id_modulo'} = 1;
$module_conf->{'id_agente'} = $agent->{'id_agente'};
my $module_tags = undef;
if(defined ($module_conf->{'tags'})) {
$module_tags = $module_conf->{'tags'};
delete $module_conf->{'tags'};
}
# Create the module
my $module_id = pandora_create_module_from_hash ($pa_config, $module_conf, $dbh);
$module = get_db_single_row ($dbh, 'SELECT * FROM tagente_modulo WHERE id_agente = ? AND ' . db_text('nombre') . ' = ?', $agent->{'id_agente'}, safe_input($module_name));
if (! defined ($module)) {
logger($pa_config, "Could not create module '$module_name' for agent '$agent_name'.", 3);
$ModuleSem->up ();
return;
}
# Assign the tags on module if the specified tags exist
if(defined ($module_tags)) {
logger($pa_config, "Processing module tags '$module_tags' in module '$module_name' for agent '$agent_name'.", 10);
my @module_tags = split(/,/, $module_tags);
for(my $i=0;$i<=$#module_tags;$i++) {
my $tag_info = get_db_single_row ($dbh, 'SELECT * FROM ttag WHERE name = ?', safe_input($module_tags[$i]));
if (defined ($tag_info)) {
my $tag_module;
$tag_module->{'id_tag'} = $tag_info->{'id_tag'};
$tag_module->{'id_agente_modulo'} = $module->{'id_agente_modulo'};
db_process_insert($dbh, 'id_tag', 'ttag_module', $tag_module);
}
}
}
}
else {
# Control NULL columns
$module->{'descripcion'} = '' unless defined ($module->{'descripcion'});
$module->{'extended_info'} = '' unless defined ($module->{'extended_info'});
# Set default values
$module_conf->{'descripcion'} = $module->{'descripcion'} unless defined ($module_conf->{'descripcion'});
$module_conf->{'extended_info'} = $module->{'extended_info'} unless defined ($module_conf->{'extended_info'});
$module_conf->{'module_interval'} = $module->{'module_interval'} unless defined ($module_conf->{'module_interval'});
}
# Check if the module is policy linked to update it or not
my $policy_linked = 0;
if ($module->{'id_policy_module'} != 0) {
if ($module->{'policy_adopted'} == 0 || ($module->{'policy_adopted'} == 1 && $module->{'policy_linked'} == 1)) {
$policy_linked = 1;
}
}
# Update module configuration if in learning mode and not a policy module
if ($agent->{'modo'} eq '1' && $policy_linked == 0) {
update_module_configuration ($pa_config, $dbh, $module, $module_conf);
}
$ModuleSem->up ();
# Module disabled!
if ($module->{'disabled'} eq '1') {
logger($pa_config, "Skipping disabled module '$module_name' agent '$agent_name'.", 10);
return;
}
# Parse the timestamp and process the module
if ($timestamp !~ /(\d+)\/(\d+)\/(\d+) +(\d+):(\d+):(\d+)/ &&
$timestamp !~ /(\d+)\-(\d+)\-(\d+) +(\d+):(\d+):(\d+)/) {
logger($pa_config, "Invalid timestamp '$timestamp' from module '$module_name' agent '$agent_name'.", 3);
return;
}
my $utimestamp;
eval {
$utimestamp = timelocal($6, $5, $4, $3, $2 - 1, $1 - 1900);
};
if ($@) {
logger($pa_config, "Invalid timestamp '$timestamp' from module '$module_name' agent '$agent_name'.", 3);
return;
}
#my $value = get_tag_value ($data, 'data', '');
my $data_object = get_module_data($data, $module_type);
my $extra_macros = get_macros_for_data($data, $module_type);
# Get module status from XML data file if available
$module->{'status'} = get_tag_value ($data, 'status', undef);
pandora_process_module ($pa_config, $data_object, $agent, $module, $module_type, $timestamp, $utimestamp, $server_id, $dbh, $extra_macros);
}
##########################################################################
# Retrieve module data from the XML tree.
##########################################################################
sub get_module_data($$){
my ($data, $module_type) = @_;
my %data_object;
# Log4x modules hava extended information
if ($module_type eq 'log4x') {
foreach my $attr ('severity','message', 'stacktrace'){
$data_object{$attr} = get_tag_value ($data, $attr, '');
}
} else {
$data_object{'data'} = get_tag_value ($data, 'data', '');
}
return \%data_object;
}
##########################################################################
# Retrieve module data from the XML tree.
##########################################################################
sub get_macros_for_data($$){
my ($data, $module_type) = @_;
my %macros;
if ($module_type eq 'log4x') {
foreach my $attr ('severity','message', 'stacktrace') {
$macros{'_' . $attr . '_'} = get_tag_value ($data, $attr, '');
}
}
return \%macros;
}
##########################################################################
# Update module configuration in tagente_modulo if necessary.
##########################################################################
sub update_module_configuration ($$$$) {
my ($pa_config, $dbh, $module, $module_conf) = @_;
# Update if at least one of the configuration tokens has changed
foreach my $conf_token ('descripcion', 'extended_info', 'module_interval') {
if ($module->{$conf_token} ne $module_conf->{$conf_token}) {
logger ($pa_config, "Updating configuration for module '" . safe_output($module->{'nombre'}) . "'.", 10);
db_do ($dbh, 'UPDATE tagente_modulo SET descripcion = ?, extended_info = ?, module_interval = ?
WHERE id_agente_modulo = ?', $module_conf->{'descripcion'} eq '' ? $module->{'descripcion'} : $module_conf->{'descripcion'},
$module_conf->{'extended_info'}, $module_conf->{'module_interval'}, $module->{'id_agente_modulo'});
last;
}
}
# Update module hash
$module->{'extended_info'} = $module_conf->{'extended_info'} if (defined($module_conf->{'extended_info'})) ;
$module->{'descripcion'} = ($module_conf->{'descripcion'} eq '') ? $module->{'descripcion'} : $module_conf->{'descripcion'};
$module->{'module_interval'} = ($module_conf->{'module_interval'} eq '') ? $module->{'module_interval'} : $module_conf->{'module_interval'};
}
###############################################################################
# Process XML data coming from a server.
###############################################################################
sub process_xml_server ($$$$) {
my ($pa_config, $file_name, $data, $dbh) = @_;
my ($server_name, $server_type, $version, $threads, $modules) = ($data->{'server_name'}, $data->{'server_type'}, $data->{'version'}, $data->{'threads'}, $data->{'modules'});
# Unknown server!
if (! defined ($server_name) || $server_name eq '') {
logger($pa_config, "$file_name has data from an unnamed server", 3);
return;
}
logger($pa_config, "Processing XML from server: $server_name", 10);
# Set some default values
$server_type = SATELLITESERVER unless defined($server_type);
$modules = 0 unless defined($modules);
$threads = 0 unless defined($threads);
$version = '' unless defined($version);
# Update server information
pandora_update_server ($pa_config, $dbh, $data->{'server_name'}, 0, 1, $server_type, $threads, $modules, $version);
}
1;
__END__
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