140 lines
4.0 KiB
Perl
140 lines
4.0 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::listnamespaces;
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use base qw(centreon::plugins::mode);
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use strict;
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use warnings;
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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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"namespace:s" => { name => 'namespace', default => 'namespace=~".*"' },
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"extra-filter:s@" => { name => 'extra_filter' },
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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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$self->SUPER::init(%options);
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$self->{metrics} = {
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'labels' => '^kube_namespace_labels$',
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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 $label (('namespace')) {
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if ($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->{namespaces} = $options{custom}->query(queries => [ '{__name__=~"' . $self->{metrics}->{labels} . '",' .
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$self->{option_results}->{namespace} .
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$self->{extra_filter} . '}' ]);
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}
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sub run {
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my ($self, %options) = @_;
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$self->manage_selection(%options);
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foreach my $namespace (@{$self->{namespaces}}) {
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$self->{output}->output_add(long_msg => sprintf("[namespace = %s]",
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$namespace->{metric}->{$self->{labels}->{namespace}}));
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}
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$self->{output}->output_add(severity => 'OK',
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short_msg => 'List namespaces:');
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$self->{output}->display(nolabel => 1, force_ignore_perfdata => 1, force_long_output => 1);
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$self->{output}->exit();
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}
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sub disco_format {
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my ($self, %options) = @_;
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$self->{output}->add_disco_format(elements => ['namespace']);
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}
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sub disco_show {
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my ($self, %options) = @_;
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$self->manage_selection(%options);
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foreach my $namespace (@{$self->{namespaces}}) {
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$self->{output}->add_disco_entry(
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namespace => $namespace->{metric}->{$self->{labels}->{namespace}},
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);
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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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List namespaces.
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=over 8
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=item B<--namespace>
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Filter on a specific namespace (Must be a PromQL filter, Default: 'namespace=~".*"')
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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, metric can be 'labels')
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Example : --metric-overload='metric,^my_metric_name$'
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=back
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=cut
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