From eebc65d2d5e6dc13b491eb3e203160de67777845 Mon Sep 17 00:00:00 2001
From: lchrdn <89968908+lchrdn@users.noreply.github.com>
Date: Wed, 22 Jun 2022 08:47:51 +0200
Subject: [PATCH] adding host discovery (#3750)

---
 .../cloud/aws/billing/mode/discovery.pm       | 106 ++++++++++++++++++
 centreon-plugins/cloud/aws/billing/plugin.pm  |   1 +
 2 files changed, 107 insertions(+)
 create mode 100644 centreon-plugins/cloud/aws/billing/mode/discovery.pm

diff --git a/centreon-plugins/cloud/aws/billing/mode/discovery.pm b/centreon-plugins/cloud/aws/billing/mode/discovery.pm
new file mode 100644
index 000000000..33818ce64
--- /dev/null
+++ b/centreon-plugins/cloud/aws/billing/mode/discovery.pm
@@ -0,0 +1,106 @@
+#
+# Copyright 2022 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package cloud::aws::billing::mode::discovery;
+
+use base qw(centreon::plugins::mode);
+
+use strict;
+use warnings;
+use JSON::XS;
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+    
+    $options{options}->add_options(arguments => {
+        "prettify"  => { name => 'prettify' },
+    });
+    
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::init(%options);
+}
+
+sub run {
+    my ($self, %options) = @_;
+
+    my @disco_data;
+    my $disco_stats;
+
+    $disco_stats->{start_time} = time();
+
+    my $services = $options{custom}->cloudwatch_list_metrics(
+        namespace => 'AWS/Billing'
+    );
+    
+    foreach my $billing_service (@$services) {
+        my %service;
+        $service{metric_name} = $billing_service->{MetricName};
+        foreach my $dimension (@{$billing_service->{Dimensions}}) {
+            $service{service_name} = $dimension->{Value} if ($dimension->{Name} =~ m/ServiceName/ && $dimension->{Name} ne '');
+            $service{currency} = $dimension->{Value} if ($dimension->{Name} =~  m/Currency/ && $dimension->{Name} ne '');
+        }
+        push @disco_data, \%service;
+    }
+
+    $disco_stats->{end_time} = time();
+    $disco_stats->{duration} = $disco_stats->{end_time} - $disco_stats->{start_time};
+    $disco_stats->{discovered_items} = @disco_data;
+    $disco_stats->{results} = \@disco_data;
+
+    my $encoded_data;
+    eval {
+        if (defined($self->{option_results}->{prettify})) {
+            $encoded_data = JSON::XS->new->utf8->pretty->encode($disco_stats);
+        } else {
+            $encoded_data = JSON::XS->new->utf8->encode($disco_stats);
+        }
+    };
+    if ($@) {
+        $encoded_data = '{"code":"encode_error","message":"Cannot encode discovered data into JSON format"}';
+    }
+    
+    $self->{output}->output_add(short_msg => $encoded_data);
+    $self->{output}->display(nolabel => 1, force_ignore_perfdata => 1);
+    $self->{output}->exit();
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+AWS Billed services discovery.
+
+=over 8
+
+=item B<--prettify>
+
+Prettify JSON output.
+
+=back
+
+=cut
diff --git a/centreon-plugins/cloud/aws/billing/plugin.pm b/centreon-plugins/cloud/aws/billing/plugin.pm
index 3eeea924d..1b92736c3 100644
--- a/centreon-plugins/cloud/aws/billing/plugin.pm
+++ b/centreon-plugins/cloud/aws/billing/plugin.pm
@@ -31,6 +31,7 @@ sub new {
 
     $self->{version} = '0.1';
     $self->{modes} = {
+        'discovery'         => 'cloud::aws::billing::mode::discovery',
         'estimated-charges' => 'cloud::aws::billing::mode::estimatedcharges',
         'list-services'     => 'cloud::aws::billing::mode::listservices'
     };