centreon-plugins/cloud/aws/ec2/mode/discovery.pm

139 lines
4.2 KiB
Perl

#
# Copyright 2020 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::ec2::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' },
"filter-type:s" => { name => 'filter_type' },
});
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 %asgs;
my $instances = $options{custom}->discovery(
service => 'ec2',
command => 'describe-instances'
);
foreach my $reservation (@{$instances->{Reservations}}) {
foreach my $instance (@{$reservation->{Instances}}) {
next if (!defined($instance->{InstanceId}));
my %asg;
$asg{type} = "asg";
my %ec2;
$ec2{type} = "ec2";
$ec2{id} = $instance->{InstanceId};
$ec2{state} = $instance->{State}->{Name};
$ec2{key_name} = $instance->{KeyName};
$ec2{private_ip} = $instance->{PrivateIpAddress};
$ec2{private_dns_name} = $instance->{PrivateDnsName};
$ec2{public_dns_name} = $instance->{PublicDnsName};
$ec2{instance_type} = $instance->{InstanceType};
$ec2{vpc_id} = $instance->{VpcId};
foreach my $tag (@{$instance->{Tags}}) {
if ($tag->{Key} eq "aws:autoscaling:groupName" && defined($tag->{Value})) {
$ec2{asg} = $tag->{Value};
next if (defined($asgs{$tag->{Value}}));
$asg{name} = $tag->{Value};
$asgs{$tag->{Value}} = 1;
}
if ($tag->{Key} eq "Name" && defined($tag->{Value})) {
$ec2{name} = $tag->{Value};
}
push @{$ec2{tags}}, { key => $tag->{Key}, value => $tag->{Value} };
}
push @disco_data, \%ec2 unless (defined($self->{option_results}->{filter_type})
&& $ec2{type} !~ /$self->{option_results}->{filter_type}/);
push @disco_data, \%asg unless ((defined($self->{option_results}->{filter_type})
&& $asg{type} !~ /$self->{option_results}->{filter_type}/) || !defined($asg{name}) || $asg{name} eq '');
}
}
$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
EC2/ASG discovery.
=over 8
=item B<--filter-type>
Filter type.
=item B<--prettify>
Prettify JSON output.
=back
=cut