262 lines
12 KiB
Perl
262 lines
12 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::direct::kubernetes::mode::containerstatus;
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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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use centreon::plugins::templates::catalog_functions qw(catalog_status_threshold);
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sub custom_status_output {
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my ($self, %options) = @_;
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my $msg = sprintf("state is '%s', status is '%s'",
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$self->{result_values}->{state},
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$self->{result_values}->{status});
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$msg .= " [reason: " . $self->{result_values}->{reason} . "]" if (defined($self->{result_values}->{reason}) && $self->{result_values}->{reason} ne "");
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return $msg;
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}
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sub custom_status_calc {
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my ($self, %options) = @_;
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$self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_container'};
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$self->{result_values}->{pod} = $options{new_datas}->{$self->{instance} . '_pod'};
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$self->{result_values}->{status} = $options{new_datas}->{$self->{instance} . '_status'};
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$self->{result_values}->{state} = ($options{new_datas}->{$self->{instance} . '_state'} == 1) ? "ready" : "not ready";
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$self->{result_values}->{reason} = $options{new_datas}->{$self->{instance} . '_reason'};
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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_container_output',
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message_multiple => 'All containers status are ok', message_separator => ' - ',
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skipped_code => { -11 => 1 } },
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];
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$self->{maps_counters}->{containers} = [
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{ label => 'status', set => {
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key_values => [ { name => 'status' }, { name => 'state' }, { name => 'reason' }, { name => 'pod' },
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{ name => 'container' } ],
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closure_custom_calc => $self->can('custom_status_calc'),
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closure_custom_output => $self->can('custom_status_output'),
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closure_custom_perfdata => sub { return 0; },
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closure_custom_threshold_check => \&catalog_status_threshold,
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}
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},
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{ label => 'restarts-count', set => {
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key_values => [ { name => 'restarts' }, { name => 'perf' } ],
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output_template => 'Restarts count : %d',
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perfdatas => [
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{ label => 'restarts_count', value => 'restarts_absolute', template => '%d',
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min => 0, label_extra_instance => 1, instance_use => 'perf_absolute' },
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],
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}
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},
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];
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}
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sub prefix_container_output {
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my ($self, %options) = @_;
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return "Container '" . $options{instance_value}->{container} . "' [pod: " . $options{instance_value}->{pod} . "] ";
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}
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options);
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bless $self, $class;
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$self->{version} = '1.0';
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$options{options}->add_options(arguments =>
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{
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"container:s" => { name => 'container', default => 'container=~".*"' },
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"pod:s" => { name => 'pod', default => 'pod=~".*"' },
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"warning-status:s" => { name => 'warning_status', default => '' },
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"critical-status:s" => { name => 'critical_status', default => '%{status} !~ /running/ || %{state} !~ /ready/' },
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"extra-filter:s@" => { name => 'extra_filter' },
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"metric-overload:s@" => { name => 'metric_overload' },
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"filter-counters:s" => { name => 'filter_counters' },
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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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'ready' => '^kube_pod_container_status_ready$',
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'running' => '^kube_pod_container_status_running$',
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'terminated' => '^kube_pod_container_status_terminated$',
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'terminated_reason' => '^kube_pod_container_status_terminated_reason$',
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'waiting' => '^kube_pod_container_status_waiting$',
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'waiting_reason' => '^kube_pod_container_status_waiting_reason$',
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'restarts' => '^kube_pod_container_status_restarts_total$',
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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} .= ',' . $filter;
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}
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$self->change_macros(macros => ['warning_status', 'critical_status']);
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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(queries => [ 'label_replace({__name__=~"' . $self->{metrics}->{ready} . '",' .
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$self->{option_results}->{container} . ',' .
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$self->{option_results}->{pod} .
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$self->{extra_filter} . '}, "__name__", "ready", "", "")',
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'label_replace({__name__=~"' . $self->{metrics}->{running} . '",' .
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$self->{option_results}->{container} . ',' .
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$self->{option_results}->{pod} .
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$self->{extra_filter} . '}, "__name__", "running", "", "")',
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'label_replace({__name__=~"' . $self->{metrics}->{terminated} . '",' .
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$self->{option_results}->{container} . ',' .
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$self->{option_results}->{pod} .
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$self->{extra_filter} . '}, "__name__", "terminated", "", "")',
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'label_replace({__name__=~"' . $self->{metrics}->{terminated_reason} . '",' .
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$self->{option_results}->{container} . ',' .
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$self->{option_results}->{pod} .
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$self->{extra_filter} . '}, "__name__", "terminated_reason", "", "")',
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'label_replace({__name__=~"' . $self->{metrics}->{waiting} . '",' .
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$self->{option_results}->{container} . ',' .
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$self->{option_results}->{pod} .
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$self->{extra_filter} . '}, "__name__", "waiting", "", "")',
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'label_replace({__name__=~"' . $self->{metrics}->{waiting_reason} . '",' .
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$self->{option_results}->{container} . ',' .
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$self->{option_results}->{pod} .
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$self->{extra_filter} . '}, "__name__", "waiting_reason", "", "")',
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'label_replace({__name__=~"' . $self->{metrics}->{restarts} . '",' .
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$self->{option_results}->{container} . ',' .
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$self->{option_results}->{pod} .
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$self->{extra_filter} . '}, "__name__", "restarts", "", "")' ]);
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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}}}->{restarts} = ${$result->{value}}[1] if ($result->{metric}->{__name__} =~ /restarts/);
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$self->{containers}->{$result->{metric}->{$self->{labels}->{pod}} . "_" . $result->{metric}->{$self->{labels}->{container}}}->{state} = ${$result->{value}}[1] if ($result->{metric}->{__name__} =~ /ready/);
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$self->{containers}->{$result->{metric}->{$self->{labels}->{pod}} . "_" . $result->{metric}->{$self->{labels}->{container}}}->{status} = $result->{metric}->{__name__} if ($result->{metric}->{__name__} =~ /running|terminated|waiting/ && ${$result->{value}}[1] == 1);
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$self->{containers}->{$result->{metric}->{$self->{labels}->{pod}} . "_" . $result->{metric}->{$self->{labels}->{container}}}->{reason} = "";
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$self->{containers}->{$result->{metric}->{$self->{labels}->{pod}} . "_" . $result->{metric}->{$self->{labels}->{container}}}->{reason} = $result->{metric}->{reason} if ($result->{metric}->{__name__} =~ /reason/ && ${$result->{value}}[1] == 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 container status.
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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=~".*"')
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=item B<--pod>
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Filter on a specific pod (Must be a PromQL filter, Default: 'pod=~".*"')
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=item B<--warning-status>
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Set warning threshold for status (Default: '')
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Can used special variables like: %{status}, %{state}, %{reason}
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=item B<--critical-status>
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Set critical threshold for status (Default: '%{status} !~ /running/ || %{state} !~ /ready/').
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Can used special variables like: %{status}, %{state}, %{reason}
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=item B<--warning-restarts-count>
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Threshold warning for container restarts count.
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=item B<--critical-restarts-count>
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Threshold critical for container restarts count.
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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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- ready: ^kube_pod_container_status_ready$
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- running: ^kube_pod_container_status_running$
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- terminated: ^kube_pod_container_status_terminated$
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- terminated_reason: ^kube_pod_container_status_terminated_reason$
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- waiting: ^kube_pod_container_status_waiting$
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- waiting_reason: ^kube_pod_container_status_waiting_reason$
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- restarts: ^kube_pod_container_status_restarts_total$
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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='status'
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=back
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=cut
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