355 lines
13 KiB
Perl
355 lines
13 KiB
Perl
#
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# Copyright 2021 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::kubernetes::mode::podstatus;
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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_pod_status_output {
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my ($self, %options) = @_;
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return sprintf("Status is '%s'",
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$self->{result_values}->{status});
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}
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sub custom_pod_status_calc {
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my ($self, %options) = @_;
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$self->{result_values}->{name} = $options{new_datas}->{$self->{instance} . '_name'};
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$self->{result_values}->{namespace} = $options{new_datas}->{$self->{instance} . '_namespace'};
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$self->{result_values}->{status} = $options{new_datas}->{$self->{instance} . '_status'};
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return 0;
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}
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sub custom_container_status_output {
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my ($self, %options) = @_;
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return sprintf("Status is '%s', State is '%s'",
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$self->{result_values}->{status},
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$self->{result_values}->{state});
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}
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sub custom_container_status_calc {
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my ($self, %options) = @_;
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$self->{result_values}->{name} = $options{new_datas}->{$self->{instance} . '_name'};
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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}->{$self->{instance} . '_state'} == 1) ? "ready" : "not ready";
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return 0;
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}
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sub custom_ready_perfdata {
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my ($self, %options) = @_;
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my $value_perf = $self->{result_values}->{ready};
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my %total_options = ();
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if ($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 => 'containers_ready',
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nlabel => 'containers.ready.count',
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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 => $total_options{total},
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instances => $self->use_instances(extra_instance => $options{extra_instance}) ? $self->{result_values}->{name} : undef,
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);
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}
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sub custom_ready_threshold {
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my ($self, %options) = @_;
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my ($exit, $threshold_value);
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$threshold_value = $self->{result_values}->{ready};
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if ($self->{instance_mode}->{option_results}->{units} eq '%') {
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$threshold_value = $self->{result_values}->{prct_ready};
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}
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$exit = $self->{perfdata}->threshold_check(
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value => $threshold_value, threshold => [ { label => 'critical-' . $self->{label}, exit_litteral => 'critical' },
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{ label => 'warning-'. $self->{label}, exit_litteral => 'warning' } ]
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);
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return $exit;
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}
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sub custom_ready_output {
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my ($self, %options) = @_;
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my $msg = sprintf("Containers Ready: %s/%s (%.2f%%)",
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$self->{result_values}->{ready},
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$self->{result_values}->{total},
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$self->{result_values}->{prct_ready});
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return $msg;
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}
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sub custom_ready_calc {
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my ($self, %options) = @_;
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$self->{result_values}->{name} = $options{new_datas}->{$self->{instance} . '_name'};
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$self->{result_values}->{ready} = $options{new_datas}->{$self->{instance} . '_containers_ready'};
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$self->{result_values}->{total} = $options{new_datas}->{$self->{instance} . '_containers_total'};
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return 0 if ($self->{result_values}->{total} == 0);
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$self->{result_values}->{prct_ready} = $self->{result_values}->{ready} * 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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$self->{maps_counters_type} = [
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{ name => 'pods', type => 3, cb_prefix_output => 'prefix_pod_output', cb_long_output => 'long_output',
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message_multiple => 'All Pods status are ok', indent_long_output => ' ',
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group => [
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{ name => 'global', type => 0, skipped_code => { -10 => 1 } },
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{ name => 'containers', display_long => 1, cb_prefix_output => 'prefix_container_output',
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message_multiple => 'All containers status are ok', type => 1, skipped_code => { -10 => 1 } },
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]
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}
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];
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$self->{maps_counters}->{global} = [
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{ label => 'containers-ready', set => {
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key_values => [ { name => 'containers_total' }, { name => 'containers_ready' }, { name => 'name' } ],
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closure_custom_calc => $self->can('custom_ready_calc'),
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closure_custom_output => $self->can('custom_ready_output'),
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closure_custom_perfdata => $self->can('custom_ready_perfdata'),
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closure_custom_threshold_check => $self->can('custom_ready_threshold'),
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}
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},
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{ label => 'pod-status', set => {
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key_values => [ { name => 'status' }, { name => 'name' }, { name => 'namespace' } ],
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closure_custom_calc => $self->can('custom_pod_status_calc'),
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closure_custom_output => $self->can('custom_pod_status_output'),
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closure_custom_perfdata => sub { return 0; },
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closure_custom_threshold_check => \&catalog_status_threshold,
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}
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},
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{ label => 'total-restarts-count', nlabel => 'restarts.total.count', set => {
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key_values => [ { name => 'restarts_total' }, { name => 'name' } ],
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output_template => 'Restarts: %d',
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perfdatas => [
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{ label => 'restarts_count', value => 'restarts_total', template => '%d',
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min => 0, label_extra_instance => 1, instance_use => 'name' },
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],
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}
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},
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];
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$self->{maps_counters}->{containers} = [
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{ label => 'container-status', set => {
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key_values => [ { name => 'status' }, { name => 'state' } ],
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closure_custom_calc => $self->can('custom_container_status_calc'),
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closure_custom_output => $self->can('custom_container_status_output'),
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closure_custom_perfdata => sub { return 0; },
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closure_custom_threshold_check => \&catalog_status_threshold,
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}
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},
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{ label => 'restarts-count', nlabel => 'containers.restarts.count', set => {
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key_values => [ { name => 'restarts' }, { name => 'perf' } ],
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output_template => 'Restarts: %d',
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perfdatas => [
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{ label => 'restarts_count', value => 'restarts', template => '%d',
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min => 0, label_extra_instance => 1, instance_use => 'perf' },
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],
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}
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},
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];
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}
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sub prefix_pod_output {
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my ($self, %options) = @_;
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return "Pod '" . $options{instance_value}->{name} . "' ";
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}
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sub prefix_container_output {
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my ($self, %options) = @_;
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return "Container '" . $options{instance_value}->{name} . "' ";
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}
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sub long_output {
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my ($self, %options) = @_;
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return "Checking pod '" . $options{instance_value}->{name} . "'";
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}
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
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bless $self, $class;
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$options{options}->add_options(arguments => {
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"filter-name:s" => { name => 'filter_name' },
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"filter-namespace:s" => { name => 'filter_namespace' },
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"extra-filter:s@" => { name => 'extra_filter' },
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"warning-pod-status:s" => { name => 'warning_pod_status', default => '' },
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"critical-pod-status:s" => { name => 'critical_pod_status', default => '%{status} !~ /running/i' },
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"warning-container-status:s" => { name => 'warning_container_status', default => '' },
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"critical-container-status:s" => { name => 'critical_container_status', default => '%{status} !~ /running/i || %{state} !~ /^ready$/' },
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"units:s" => { name => 'units', default => '%' },
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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->{extra_filter} = {};
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foreach my $filter (@{$self->{option_results}->{extra_filter}}) {
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next if ($filter !~ /(.*)=(.*)/);
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$self->{extra_filter}->{$1} = $2;
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}
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$self->change_macros(macros => ['warning_pod_status', 'critical_pod_status',
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'warning_container_status', 'critical_container_status']);
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}
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sub manage_selection {
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my ($self, %options) = @_;
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$self->{pods} = {};
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my $results = $options{custom}->kubernetes_list_pods();
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foreach my $pod (@{$results}) {
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if (defined($self->{option_results}->{filter_name}) && $self->{option_results}->{filter_name} ne '' &&
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$pod->{metadata}->{name} !~ /$self->{option_results}->{filter_name}/) {
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$self->{output}->output_add(long_msg => "skipping '" . $pod->{metadata}->{name} . "': no matching filter name.", debug => 1);
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next;
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}
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if (defined($self->{option_results}->{filter_namespace}) && $self->{option_results}->{filter_namespace} ne '' &&
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$pod->{metadata}->{namespace} !~ /$self->{option_results}->{filter_namespace}/) {
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$self->{output}->output_add(long_msg => "skipping '" . $pod->{metadata}->{name} . "': no matching filter namespace.", debug => 1);
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next;
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}
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my $next = 0;
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foreach my $label (keys %{$self->{extra_filter}}) {
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if (!defined($pod->{metadata}->{labels}->{$label}) || $pod->{metadata}->{labels}->{$label} !~ /$self->{extra_filter}->{$label}/) {
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$self->{output}->output_add(long_msg => "skipping '" . $pod->{metadata}->{name} . "': no matching extra filter.", debug => 1);
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$next = 1;
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last;
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}
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}
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next if ($next == 1);
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$self->{pods}->{$pod->{metadata}->{uid}}->{name} = $pod->{metadata}->{name};
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$self->{pods}->{$pod->{metadata}->{uid}}->{global} = {
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name => $pod->{metadata}->{name},
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namespace => $pod->{metadata}->{namespace},
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status => $pod->{status}->{phase},
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containers_total => scalar(@{$pod->{status}->{containerStatuses}}),
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containers_ready => 0,
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restarts_total => 0,
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};
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foreach my $container (@{$pod->{status}->{containerStatuses}}) {
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$self->{pods}->{$pod->{metadata}->{uid}}->{containers}->{$container->{name}} = {
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name => $container->{name},
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status => keys %{$container->{state}},
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state => $container->{ready},
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restarts => $container->{restartCount},
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perf => $pod->{metadata}->{name} . '_' . $container->{name},
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};
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$self->{pods}->{$pod->{metadata}->{uid}}->{global}->{containers_ready}++ if ($container->{ready});
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$self->{pods}->{$pod->{metadata}->{uid}}->{global}->{restarts_total} += $container->{restartCount};
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}
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}
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if (scalar(keys %{$self->{pods}}) <= 0) {
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$self->{output}->add_option_msg(short_msg => "No Pods found.");
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$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 pod status.
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=over 8
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=item B<--filter-name>
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Filter pod name (can be a regexp).
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=item B<--filter-namespace>
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Filter pod namespace (can be a regexp).
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=item B<--extra-filter>
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Add an extra filter based on labels (Can be multiple)
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Example : --extra-filter='app=mynewapp'
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=item B<--warning-pod-status>
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Set warning threshold for status (Default: '').
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Can used special variables like: %{status}, %{name}, %{namespace}.
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=item B<--critical-pod-status>
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Set critical threshold for status (Default: '%{status} !~ /running/i').
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Can used special variables like: %{status}, %{name}, %{namespace}.
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=item B<--warning-container-status>
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Set warning threshold for status (Default: '').
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Can used special variables like: %{status}, %{name}.
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=item B<--critical-container-status>
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Set critical threshold for status (Default: '%{status} !~ /running/i || %{state} !~ /^ready$/').
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Can used special variables like: %{status}, %{state}, %{name}.
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=item B<--warning-*>
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Threshold warning.
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Can be: 'containers-ready', 'total-restarts-count' (count), 'restarts-count' (count).
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=item B<--critical-*>
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Threshold critical.
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Can be: 'containers-ready', 'total-restarts-count' (count), 'restarts-count' (count).
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=item B<--units>
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Units of thresholds (Default: '%') ('%', 'count').
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=back
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=cut
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