190 lines
7.1 KiB
Perl
190 lines
7.1 KiB
Perl
#
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# Copyright 2020 Centreon (http://www.centreon.com/)
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#
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# Centreon is a full-fledged industry-strength solution that meets
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# the needs in IT infrastructure and application monitoring for
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# service performance.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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package cloud::aws::elasticache::mode::usagememcached;
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use base qw(centreon::plugins::templates::counter);
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use strict;
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use warnings;
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sub prefix_metric_output {
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my ($self, %options) = @_;
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my $node_id = "";
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if (defined($options{instance_value}->{node_id}) && $options{instance_value}->{node_id} ne '') {
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$node_id = "[Node: $options{instance_value}->{node_id}] ";
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}
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return "Cluster '" . $options{instance_value}->{display} . "' " . $node_id . $options{instance_value}->{stat} . " ";
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}
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sub set_counters {
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my ($self, %options) = @_;
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$self->{maps_counters_type} = [
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{ name => 'metric', type => 1, cb_prefix_output => 'prefix_metric_output', message_multiple => "All usage metrics are ok", skipped_code => { -10 => 1 } },
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];
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foreach my $statistic ('minimum', 'maximum', 'average', 'sum') {
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foreach my $metric ('BytesUsedForCacheItems') {
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my $entry = { label => lc($metric) . '-' . lc($statistic), set => {
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key_values => [ { name => $metric . '_' . $statistic }, { name => 'display' }, { name => 'stat' } ],
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output_template => $metric . ': %d %s',
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output_change_bytes => 1,
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perfdatas => [
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{ label => lc($metric) . '_' . lc($statistic), value => $metric . '_' . $statistic ,
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template => '%d', unit => 'B', min => 0, label_extra_instance => 1, instance_use => 'display' },
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],
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}
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};
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push @{$self->{maps_counters}->{metric}}, $entry;
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}
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}
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}
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options);
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bless $self, $class;
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$options{options}->add_options(arguments =>
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{
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"name:s@" => { name => 'name' },
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"node-id:s" => { name => 'node_id' },
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});
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return $self;
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}
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sub check_options {
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my ($self, %options) = @_;
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$self->SUPER::check_options(%options);
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if (!defined($self->{option_results}->{name}) || $self->{option_results}->{name} eq '') {
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$self->{output}->add_option_msg(short_msg => "Need to specify --name option.");
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$self->{output}->option_exit();
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}
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foreach my $instance (@{$self->{option_results}->{name}}) {
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if ($instance ne '') {
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push @{$self->{aws_instance}}, $instance;
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}
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}
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$self->{aws_timeframe} = defined($self->{option_results}->{timeframe}) ? $self->{option_results}->{timeframe} : 600;
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$self->{aws_period} = defined($self->{option_results}->{period}) ? $self->{option_results}->{period} : 60;
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$self->{aws_statistics} = ['Average'];
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if (defined($self->{option_results}->{statistic})) {
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$self->{aws_statistics} = [];
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foreach my $stat (@{$self->{option_results}->{statistic}}) {
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if ($stat ne '') {
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push @{$self->{aws_statistics}}, ucfirst(lc($stat));
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}
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}
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}
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foreach my $metric ('BytesUsedForCacheItems') {
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next if (defined($self->{option_results}->{filter_metric}) && $self->{option_results}->{filter_metric} ne ''
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&& $metric !~ /$self->{option_results}->{filter_metric}/);
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push @{$self->{aws_metrics}}, $metric;
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}
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}
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sub manage_selection {
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my ($self, %options) = @_;
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my %metric_results;
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foreach my $instance (@{$self->{aws_instance}}) {
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push @{$self->{aws_dimensions}}, { Name => 'CacheClusterId', Value => $instance };
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if (defined($self->{option_results}->{node_id}) && $self->{option_results}->{node_id} ne '') {
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push @{$self->{aws_dimensions}}, { Name => 'CacheNodeId', Value => $self->{option_results}->{node_id} };
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}
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$metric_results{$instance} = $options{custom}->cloudwatch_get_metrics(
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region => $self->{option_results}->{region},
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namespace => 'AWS/ElastiCache',
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dimensions => $self->{aws_dimensions},
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metrics => $self->{aws_metrics},
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statistics => $self->{aws_statistics},
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timeframe => $self->{aws_timeframe},
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period => $self->{aws_period},
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);
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foreach my $metric (@{$self->{aws_metrics}}) {
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foreach my $statistic (@{$self->{aws_statistics}}) {
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next if (!defined($metric_results{$instance}->{$metric}->{lc($statistic)}) && !defined($self->{option_results}->{zeroed}));
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$self->{metric}->{$instance . "_" . lc($statistic)}->{display} = $instance;
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$self->{metric}->{$instance . "_" . lc($statistic)}->{stat} = lc($statistic);
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$self->{metric}->{$instance . "_" . lc($statistic)}->{node_id} = $self->{option_results}->{node_id};
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$self->{metric}->{$instance . "_" . lc($statistic)}->{$metric . "_" . lc($statistic)} = defined($metric_results{$instance}->{$metric}->{lc($statistic)}) ? $metric_results{$instance}->{$metric}->{lc($statistic)} : 0;
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}
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}
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}
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if (scalar(keys %{$self->{metric}}) <= 0) {
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$self->{output}->add_option_msg(short_msg => 'No metrics. Check your options or use --zeroed option to set 0 on undefined values');
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$self->{output}->option_exit();
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}
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}
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1;
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__END__
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=head1 MODE
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Check ElastiCache cluster space usage for Memcached backends.
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Example:
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perl centreon_plugins.pl --plugin=cloud::aws::elasticache::plugin --custommode=paws --mode=usage-memcached
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--region='eu-west-1' --name='centreon-front' --statistic='average' --critical-bytesusedforcacheitems-average='1614281'
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--verbose
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See 'https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/elasticache-metricscollected.html' for more informations.
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Default statistic: 'average' / All satistics are valid.
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=over 8
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=item B<--name>
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Set the cluster name (Required) (Can be multiple).
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=item B<--node-id>
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Set the node id (Optional).
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=item B<--warning-$metric$-$statistic$>
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Thresholds warning ($metric$ can be: 'bytesusedforcacheitems',
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$statistic$ can be: 'minimum', 'maximum', 'average', 'sum').
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=item B<--critical-$metric$-$statistic$>
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Thresholds critical ($metric$ can be: 'bytesusedforcacheitems',
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$statistic$ can be: 'minimum', 'maximum', 'average', 'sum').
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=back
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=cut
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