325 lines
13 KiB
Perl
325 lines
13 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::prometheus::exporters::cadvisor::mode::memory;
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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 custom_usage_perfdata {
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my ($self, %options) = @_;
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my $label = $self->{result_values}->{perfdata};
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my $value_perf = $self->{result_values}->{used};
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my %total_options = ();
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if ($self->{result_values}->{total} > 0 && $self->{instance_mode}->{option_results}->{units} eq '%') {
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$total_options{total} = $self->{result_values}->{total};
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$total_options{cast_int} = 1;
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}
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$self->{output}->perfdata_add(
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label => $label, unit => 'B',
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nlabel => 'memory.' . $label . '.bytes',
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value => $value_perf,
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $self->{thlabel}, %total_options),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $self->{thlabel}, %total_options),
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min => 0, max => $self->{result_values}->{total},
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instances => $self->use_instances(extra_instance => $options{extra_instance}) ? $self->{result_values}->{display} : undef,
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);
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}
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sub custom_usage_threshold {
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my ($self, %options) = @_;
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return 'ok' if ($self->{result_values}->{total} <= 0 && $self->{instance_mode}->{option_results}->{units} eq '%');
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my ($exit, $threshold_value);
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$threshold_value = $self->{result_values}->{used};
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if ($self->{instance_mode}->{option_results}->{units} eq '%') {
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$threshold_value = $self->{result_values}->{prct_used};
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}
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$exit = $self->{perfdata}->threshold_check(value => $threshold_value,
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threshold => [ { label => 'critical-' . $self->{result_values}->{thlabel}, exit_litteral => 'critical' },
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{ label => 'warning-'. $self->{result_values}->{thlabel}, exit_litteral => 'warning' } ]);
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return $exit;
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}
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sub custom_usage_output {
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my ($self, %options) = @_;
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my $msg;
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my ($total_used_value, $total_used_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{used});
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if ($self->{result_values}->{total} <= 0) {
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$msg = sprintf("%s: %s (unlimited)", ucfirst($self->{result_values}->{label}), $total_used_value . " " . $total_used_unit);
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} else {
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my ($total_size_value, $total_size_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{total});
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$msg = sprintf("%s: %s (%.2f%% of %s)", ucfirst($self->{result_values}->{label}), $total_used_value . " " . $total_used_unit,
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$self->{result_values}->{prct_used},
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$total_size_value . " " . $total_size_unit);
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}
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return $msg;
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}
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sub custom_usage_calc {
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my ($self, %options) = @_;
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$self->{result_values}->{label} = $options{extra_options}->{label_ref};
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$self->{result_values}->{perfdata} = $options{extra_options}->{perfdata_ref};
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$self->{result_values}->{container} = $options{new_datas}->{$self->{instance} . '_container'};
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$self->{result_values}->{pod} = $options{new_datas}->{$self->{instance} . '_pod'};
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$self->{result_values}->{perf} = $options{new_datas}->{$self->{instance} . '_perf'};
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$self->{result_values}->{total} = $options{new_datas}->{$self->{instance} . '_limits'};
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$self->{result_values}->{used} = $options{new_datas}->{$self->{instance} . '_' . $self->{result_values}->{label}};
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return 0 if ($self->{result_values}->{total} == 0);
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$self->{result_values}->{prct_used} = $self->{result_values}->{used} * 100 / $self->{result_values}->{total};
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return 0;
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}
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sub set_counters {
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my ($self, %options) = @_;
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$self->{maps_counters_type} = [
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{ name => 'containers', type => 1, cb_prefix_output => 'prefix_containers_output',
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message_multiple => 'All containers memory usage are ok' },
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];
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$self->{maps_counters}->{containers} = [
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{ label => 'usage', set => {
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key_values => [ { name => 'limits' }, { name => 'usage' }, { name => 'container' },
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{ name => 'pod' }, { name => 'perf' } ],
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closure_custom_calc => $self->can('custom_usage_calc'),
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closure_custom_calc_extra_options => { label_ref => 'usage', perfdata_ref => 'used' },
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closure_custom_output => $self->can('custom_usage_output'),
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closure_custom_perfdata => $self->can('custom_usage_perfdata'),
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closure_custom_threshold_check => $self->can('custom_usage_threshold'),
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}
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},
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{ label => 'working', set => {
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key_values => [ { name => 'limits' }, { name => 'working' }, { name => 'container' },
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{ name => 'pod' }, { name => 'perf' } ],
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closure_custom_calc => $self->can('custom_usage_calc'),
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closure_custom_calc_extra_options => { label_ref => 'working', perfdata_ref => 'working' },
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closure_custom_output => $self->can('custom_usage_output'),
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closure_custom_perfdata => $self->can('custom_usage_perfdata'),
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closure_custom_threshold_check => $self->can('custom_usage_threshold'),
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}
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},
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{ label => 'cache', nlabel => 'cache.usage.bytes', set => {
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key_values => [ { name => 'cache' }, { name => 'container' }, { name => 'pod' }, { name => 'perf' } ],
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output_template => 'Cache: %.2f %s',
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output_change_bytes => 1,
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perfdatas => [
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{ label => 'cache', value => 'cache', template => '%s',
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min => 0, unit => 'B', label_extra_instance => 1, instance_use => 'perf' },
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],
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}
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},
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{ label => 'rss', nlabel => 'rss.usage.bytes', set => {
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key_values => [ { name => 'rss' }, { name => 'container' }, { name => 'pod' }, { name => 'perf' } ],
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output_template => 'Rss: %.2f %s',
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output_change_bytes => 1,
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perfdatas => [
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{ label => 'rss', value => 'rss', template => '%s',
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min => 0, unit => 'B', label_extra_instance => 1, instance_use => 'perf' },
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],
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}
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},
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{ label => 'swap', nlabel => 'swap.usage.bytes', set => {
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key_values => [ { name => 'swap' }, { name => 'container' }, { name => 'pod' }, { name => 'perf' } ],
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output_template => 'Swap: %.2f %s',
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output_change_bytes => 1,
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perfdatas => [
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{ label => 'swap', value => 'swap', template => '%s',
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min => 0, unit => 'B', label_extra_instance => 1, instance_use => 'perf' },
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],
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}
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},
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];
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}
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sub prefix_containers_output {
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my ($self, %options) = @_;
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return "Container '" . $options{instance_value}->{container} . "' [pod: " . $options{instance_value}->{pod} . "] Memory ";
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}
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sub new {
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my ($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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"container:s" => { name => 'container', default => 'container_name!~".*POD.*"' },
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"pod:s" => { name => 'pod', default => 'pod_name=~".*"' },
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"extra-filter:s@" => { name => 'extra_filter' },
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"units:s" => { name => 'units', default => '%' },
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"metric-overload:s@" => { name => 'metric_overload' },
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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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$self->SUPER::check_options(%options);
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$self->{metrics} = {
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'limits' => "^container_spec_memory_limit_bytes.*",
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'usage' => "^container_memory_usage_bytes.*",
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'working' => "^container_memory_working_set_bytes.*",
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'cache' => "^container_memory_cache.*",
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'rss' => "^container_memory_rss.*",
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'swap' => "^container_memory_swap.*",
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};
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foreach my $metric (@{$self->{option_results}->{metric_overload}}) {
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next if ($metric !~ /(.*),(.*)/);
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$self->{metrics}->{$1} = $2 if (defined($self->{metrics}->{$1}));
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}
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$self->{labels} = {};
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foreach my $label (('container', 'pod')) {
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if ($self->{option_results}->{$label} !~ /^(\w+)[!~=]+\".*\"$/) {
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$self->{output}->add_option_msg(short_msg => "Need to specify --" . $label . " option as a PromQL filter.");
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$self->{output}->option_exit();
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}
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$self->{labels}->{$label} = $1;
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}
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$self->{extra_filter} = '';
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foreach my $filter (@{$self->{option_results}->{extra_filter}}) {
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$self->{extra_filter} .= ',' . $filter;
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}
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}
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sub manage_selection {
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my ($self, %options) = @_;
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$self->{containers} = {};
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my $results = $options{custom}->query(
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queries => [
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'label_replace({__name__=~"' . $self->{metrics}->{usage} . '",' .
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$self->{option_results}->{container} . ',' .
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$self->{option_results}->{pod} .
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$self->{extra_filter} . '}, "__name__", "usage", "", "")',
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'label_replace({__name__=~"' . $self->{metrics}->{limits} . '",' .
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$self->{option_results}->{container} . ',' .
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$self->{option_results}->{pod} .
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$self->{extra_filter} . '}, "__name__", "limits", "", "")',
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'label_replace({__name__=~"' . $self->{metrics}->{working} . '",' .
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$self->{option_results}->{container} . ',' .
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$self->{option_results}->{pod} .
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$self->{extra_filter} . '}, "__name__", "working", "", "")',
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'label_replace({__name__=~"' . $self->{metrics}->{cache} . '",' .
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$self->{option_results}->{container} . ',' .
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$self->{option_results}->{pod} .
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$self->{extra_filter} . '}, "__name__", "cache", "", "")',
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'label_replace({__name__=~"' . $self->{metrics}->{rss} . '",' .
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$self->{option_results}->{container} . ',' .
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$self->{option_results}->{pod} .
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$self->{extra_filter} . '}, "__name__", "rss", "", "")',
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'label_replace({__name__=~"' . $self->{metrics}->{swap} . '",' .
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$self->{option_results}->{container} . ',' .
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$self->{option_results}->{pod} .
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$self->{extra_filter} . '}, "__name__", "swap", "", "")'
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]
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);
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foreach my $result (@{$results}) {
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next if (!defined($result->{metric}->{$self->{labels}->{pod}}) || !defined($result->{metric}->{$self->{labels}->{container}}));
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$self->{containers}->{$result->{metric}->{$self->{labels}->{pod}} . "_" . $result->{metric}->{$self->{labels}->{container}}}->{container} = $result->{metric}->{$self->{labels}->{container}};
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$self->{containers}->{$result->{metric}->{$self->{labels}->{pod}} . "_" . $result->{metric}->{$self->{labels}->{container}}}->{pod} = $result->{metric}->{$self->{labels}->{pod}};
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$self->{containers}->{$result->{metric}->{$self->{labels}->{pod}} . "_" . $result->{metric}->{$self->{labels}->{container}}}->{perf} = $result->{metric}->{$self->{labels}->{pod}} . "_" . $result->{metric}->{$self->{labels}->{container}};
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$self->{containers}->{$result->{metric}->{$self->{labels}->{pod}} . "_" . $result->{metric}->{$self->{labels}->{container}}}->{$result->{metric}->{__name__}} = ${$result->{value}}[1];
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}
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if (scalar(keys %{$self->{containers}}) <= 0) {
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$self->{output}->add_option_msg(short_msg => "No containers found.");
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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 containers memory usage.
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=over 8
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=item B<--container>
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Filter on a specific container (Must be a PromQL filter, Default: 'container_name!~".*POD.*"')
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=item B<--pod>
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Filter on a specific pod (Must be a PromQL filter, Default: 'pod_name=~".*"')
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=item B<--warning-*>
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Threshold warning.
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Can be: 'usage', 'working', 'cache' (B), 'rss' (B), 'swap' (B).
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=item B<--critical-*>
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Threshold critical.
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Can be: 'usage', 'working', 'cache' (B), 'rss' (B), 'swap' (B).
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=item B<--units>
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Units of thresholds (Default: '%') ('%', 'B').
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=item B<--extra-filter>
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Add a PromQL filter (Can be multiple)
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Example : --extra-filter='name=~".*pretty.*"'
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=item B<--metric-overload>
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Overload default metrics name (Can be multiple)
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Example : --metric-overload='metric,^my_metric_name$'
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Default :
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- limits: ^container_spec_memory_limit_bytes.*
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- usage: ^container_memory_usage_bytes.*
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- working: ^container_memory_working_set_bytes.*
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- cache: ^container_memory_cache.*
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- rss: ^container_memory_rss.*
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- swap: ^container_memory_swap.*
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=item B<--filter-counters>
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Only display some counters (regexp can be used).
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Example: --filter-counters='usage'
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=back
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=cut
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