288 lines
11 KiB
Perl
288 lines
11 KiB
Perl
#
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# Copyright 2019 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::storage;
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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 = 'used';
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my $value_perf = $self->{result_values}->{used};
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if (defined($self->{instance_mode}->{option_results}->{free})) {
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$label = 'free';
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$value_perf = $self->{result_values}->{free};
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}
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my %total_options = ();
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if ($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 => 'storage.space.usage.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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my ($exit, $threshold_value);
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$threshold_value = $self->{result_values}->{used};
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$threshold_value = $self->{result_values}->{free} if (defined($self->{instance_mode}->{option_results}->{free}));
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if ($self->{instance_mode}->{option_results}->{units} eq '%') {
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$threshold_value = $self->{result_values}->{prct_used};
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$threshold_value = $self->{result_values}->{prct_free} if (defined($self->{instance_mode}->{option_results}->{free}));
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}
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$exit = $self->{perfdata}->threshold_check(value => $threshold_value,
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threshold => [ { label => 'critical-' . $self->{thlabel}, exit_litteral => 'critical' },
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{ label => 'warning-'. $self->{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 ($total_limit_value, $total_limit_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{total});
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my ($total_used_value, $total_used_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{used});
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my ($total_free_value, $total_free_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{free});
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my $msg = sprintf("Usage Limit: %s Used: %s (%.2f%%) Free: %s (%.2f%%)",
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$total_limit_value . " " . $total_limit_unit,
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$total_used_value . " " . $total_used_unit, $self->{result_values}->{prct_used},
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$total_free_value . " " . $total_free_unit, $self->{result_values}->{prct_free});
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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} = $self->{instance};
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$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}->{total} = $options{new_datas}->{$self->{instance} . '_limit'};
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$self->{result_values}->{used} = $options{new_datas}->{$self->{instance} . '_used'};
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$self->{result_values}->{free} = $self->{result_values}->{total} - $self->{result_values}->{used};
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$self->{result_values}->{prct_used} = ($self->{result_values}->{total} > 0) ? $self->{result_values}->{used} * 100 / $self->{result_values}->{total} : 0;
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$self->{result_values}->{prct_free} = 100 - $self->{result_values}->{prct_used};
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# limit to 100. Better output.
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if ($self->{result_values}->{prct_used} > 100) {
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$self->{result_values}->{free} = 0;
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$self->{result_values}->{prct_used} = 100;
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$self->{result_values}->{prct_free} = 0;
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}
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return 0;
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}
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sub set_counters {
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my ($self, %options) = @_;
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$self->{maps_counters_type} = [
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{ name => 'containers', type => 3, cb_prefix_output => 'prefix_containers_output', cb_long_output => 'long_output',
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message_multiple => 'All containers storages usage are ok', indent_long_output => ' ',
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group => [
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{ name => 'storage', display_long => 1, cb_prefix_output => 'prefix_storage_output',
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message_multiple => 'All storages usage are ok', type => 1, skipped_code => { -10 => 1 } },
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]
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}
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];
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$self->{maps_counters}->{storage} = [
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{ label => 'usage', set => {
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key_values => [ { name => 'used' }, { name => 'limit' } ],
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closure_custom_calc => $self->can('custom_usage_calc'),
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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 => $self->can('custom_usage_threshold'),
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}
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},
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];
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}
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sub prefix_container_output {
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my ($self, %options) = @_;
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return "Container '" . $options{instance_value}->{container} . "' [pod: " . $options{instance_value}->{pod} . "] ";
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}
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sub long_output {
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my ($self, %options) = @_;
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return "Checking container '" . $options{instance_value}->{container} . "' [pod: " . $options{instance_value}->{pod} . "]";
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}
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sub prefix_storage_output {
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my ($self, %options) = @_;
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return "Storage '" . $options{instance_value}->{display} . "' ";
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}
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sub new {
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my ($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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"device:s" => { name => 'device', default => 'device=~".*"' },
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"extra-filter:s@" => { name => 'extra_filter' },
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"units:s" => { name => 'units', default => '%' },
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"free" => { name => 'free' },
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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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'used' => "^container_fs_usage_bytes.*",
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'limit' => "^container_fs_limit_bytes.*",
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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 $label (('container', 'pod', 'device')) {
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if ($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__=~"' . $self->{metrics}->{used} . '",' .
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$self->{option_results}->{container} . ',' .
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$self->{option_results}->{pod} . ',' .
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$self->{option_results}->{device} .
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$self->{extra_filter} . '}, "__name__", "used", "", "")',
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'label_replace({__name__=~"' . $self->{metrics}->{limit} . '",' .
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$self->{option_results}->{container} . ',' .
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$self->{option_results}->{pod} . ',' .
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$self->{option_results}->{device} .
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$self->{extra_filter} . '}, "__name__", "limit", "", "")'
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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}}}->{display} = $result->{metric}->{$self->{labels}->{pod}} . "_" . $result->{metric}->{$self->{labels}->{container}};
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$self->{containers}->{$result->{metric}->{$self->{labels}->{pod}} . "_" . $result->{metric}->{$self->{labels}->{container}}}->{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}}}->{storage}->{$result->{metric}->{$self->{labels}->{device}}}->{display} = $result->{metric}->{$self->{labels}->{device}};
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$self->{containers}->{$result->{metric}->{$self->{labels}->{pod}} . "_" . $result->{metric}->{$self->{labels}->{container}}}->{storage}->{$result->{metric}->{$self->{labels}->{device}}}->{$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 storages 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<--device>
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Filter on a specific device (Must be a PromQL filter, Default: 'device=~".*"')
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=item B<--units>
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Units of thresholds (Default: '%') ('%', 'B').
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=item B<--free>
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Thresholds are on free space left.
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=item B<--warning-usage>
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Threshold warning.
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=item B<--critical-usage>
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Threshold critical.
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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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- used: ^container_fs_usage_bytes.*
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- limit: ^container_fs_limit_bytes.*
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=back
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=cut
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