centreon-plugins/cloud/aws/elasticache/mode/usagememcached.pm

190 lines
7.1 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::elasticache::mode::usagememcached;
use base qw(centreon::plugins::templates::counter);
use strict;
use warnings;
sub prefix_metric_output {
my ($self, %options) = @_;
my $node_id = "";
if (defined($options{instance_value}->{node_id}) && $options{instance_value}->{node_id} ne '') {
$node_id = "[Node: $options{instance_value}->{node_id}] ";
}
return "Cluster '" . $options{instance_value}->{display} . "' " . $node_id . $options{instance_value}->{stat} . " ";
}
sub set_counters {
my ($self, %options) = @_;
$self->{maps_counters_type} = [
{ name => 'metric', type => 1, cb_prefix_output => 'prefix_metric_output', message_multiple => "All usage metrics are ok", skipped_code => { -10 => 1 } },
];
foreach my $statistic ('minimum', 'maximum', 'average', 'sum') {
foreach my $metric ('BytesUsedForCacheItems') {
my $entry = { label => lc($metric) . '-' . lc($statistic), set => {
key_values => [ { name => $metric . '_' . $statistic }, { name => 'display' }, { name => 'stat' } ],
output_template => $metric . ': %d %s',
output_change_bytes => 1,
perfdatas => [
{ label => lc($metric) . '_' . lc($statistic), value => $metric . '_' . $statistic ,
template => '%d', unit => 'B', min => 0, label_extra_instance => 1, instance_use => 'display' },
],
}
};
push @{$self->{maps_counters}->{metric}}, $entry;
}
}
}
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
bless $self, $class;
$options{options}->add_options(arguments =>
{
"name:s@" => { name => 'name' },
"node-id:s" => { name => 'node_id' },
});
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::check_options(%options);
if (!defined($self->{option_results}->{name}) || $self->{option_results}->{name} eq '') {
$self->{output}->add_option_msg(short_msg => "Need to specify --name option.");
$self->{output}->option_exit();
}
foreach my $instance (@{$self->{option_results}->{name}}) {
if ($instance ne '') {
push @{$self->{aws_instance}}, $instance;
}
}
$self->{aws_timeframe} = defined($self->{option_results}->{timeframe}) ? $self->{option_results}->{timeframe} : 600;
$self->{aws_period} = defined($self->{option_results}->{period}) ? $self->{option_results}->{period} : 60;
$self->{aws_statistics} = ['Average'];
if (defined($self->{option_results}->{statistic})) {
$self->{aws_statistics} = [];
foreach my $stat (@{$self->{option_results}->{statistic}}) {
if ($stat ne '') {
push @{$self->{aws_statistics}}, ucfirst(lc($stat));
}
}
}
foreach my $metric ('BytesUsedForCacheItems') {
next if (defined($self->{option_results}->{filter_metric}) && $self->{option_results}->{filter_metric} ne ''
&& $metric !~ /$self->{option_results}->{filter_metric}/);
push @{$self->{aws_metrics}}, $metric;
}
}
sub manage_selection {
my ($self, %options) = @_;
my %metric_results;
foreach my $instance (@{$self->{aws_instance}}) {
push @{$self->{aws_dimensions}}, { Name => 'CacheClusterId', Value => $instance };
if (defined($self->{option_results}->{node_id}) && $self->{option_results}->{node_id} ne '') {
push @{$self->{aws_dimensions}}, { Name => 'CacheNodeId', Value => $self->{option_results}->{node_id} };
}
$metric_results{$instance} = $options{custom}->cloudwatch_get_metrics(
region => $self->{option_results}->{region},
namespace => 'AWS/ElastiCache',
dimensions => $self->{aws_dimensions},
metrics => $self->{aws_metrics},
statistics => $self->{aws_statistics},
timeframe => $self->{aws_timeframe},
period => $self->{aws_period},
);
foreach my $metric (@{$self->{aws_metrics}}) {
foreach my $statistic (@{$self->{aws_statistics}}) {
next if (!defined($metric_results{$instance}->{$metric}->{lc($statistic)}) && !defined($self->{option_results}->{zeroed}));
$self->{metric}->{$instance . "_" . lc($statistic)}->{display} = $instance;
$self->{metric}->{$instance . "_" . lc($statistic)}->{stat} = lc($statistic);
$self->{metric}->{$instance . "_" . lc($statistic)}->{node_id} = $self->{option_results}->{node_id};
$self->{metric}->{$instance . "_" . lc($statistic)}->{$metric . "_" . lc($statistic)} = defined($metric_results{$instance}->{$metric}->{lc($statistic)}) ? $metric_results{$instance}->{$metric}->{lc($statistic)} : 0;
}
}
}
if (scalar(keys %{$self->{metric}}) <= 0) {
$self->{output}->add_option_msg(short_msg => 'No metrics. Check your options or use --zeroed option to set 0 on undefined values');
$self->{output}->option_exit();
}
}
1;
__END__
=head1 MODE
Check ElastiCache cluster space usage for Memcached backends.
Example:
perl centreon_plugins.pl --plugin=cloud::aws::elasticache::plugin --custommode=paws --mode=usage-memcached
--region='eu-west-1' --name='centreon-front' --statistic='average' --critical-bytesusedforcacheitems-average='1614281'
--verbose
See 'https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/elasticache-metricscollected.html' for more informations.
Default statistic: 'average' / All satistics are valid.
=over 8
=item B<--name>
Set the cluster name (Required) (Can be multiple).
=item B<--node-id>
Set the node id (Optional).
=item B<--warning-$metric$-$statistic$>
Thresholds warning ($metric$ can be: 'bytesusedforcacheitems',
$statistic$ can be: 'minimum', 'maximum', 'average', 'sum').
=item B<--critical-$metric$-$statistic$>
Thresholds critical ($metric$ can be: 'bytesusedforcacheitems',
$statistic$ can be: 'minimum', 'maximum', 'average', 'sum').
=back
=cut