centreon-plugins/cloud/kubernetes/mode/statefulsetstatus.pm

198 lines
7.3 KiB
Perl

#
# Copyright 2021 Centreon (http://www.centreon.com/)
#
# Centreon is a full-fledged industry-strength solution that meets
# the needs in IT infrastructure and application monitoring for
# service performance.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
package cloud::kubernetes::mode::statefulsetstatus;
use base qw(centreon::plugins::templates::counter);
use strict;
use warnings;
use centreon::plugins::templates::catalog_functions qw(catalog_status_threshold);
sub custom_status_perfdata {
my ($self, %options) = @_;
$self->{output}->perfdata_add(
label => 'desired',
nlabel => 'statefulset.replicas.desired.count',
value => $self->{result_values}->{desired},
instances => $self->use_instances(extra_instance => $options{extra_instance}) ? $self->{result_values}->{name} : undef,
);
$self->{output}->perfdata_add(
label => 'current',
nlabel => 'statefulset.replicas.current.count',
value => $self->{result_values}->{current},
instances => $self->use_instances(extra_instance => $options{extra_instance}) ? $self->{result_values}->{name} : undef,
);
$self->{output}->perfdata_add(
label => 'up_to_date',
nlabel => 'statefulset.replicas.uptodate.count',
value => $self->{result_values}->{up_to_date},
instances => $self->use_instances(extra_instance => $options{extra_instance}) ? $self->{result_values}->{name} : undef,
);
$self->{output}->perfdata_add(
label => 'ready',
nlabel => 'statefulset.replicas.ready.count',
value => $self->{result_values}->{ready},
instances => $self->use_instances(extra_instance => $options{extra_instance}) ? $self->{result_values}->{name} : undef,
);
}
sub custom_status_output {
my ($self, %options) = @_;
return sprintf("Replicas Desired: %s, Current: %s, Up-to-date: %s, Ready: %s",
$self->{result_values}->{desired},
$self->{result_values}->{current},
$self->{result_values}->{up_to_date},
$self->{result_values}->{ready});
}
sub custom_status_calc {
my ($self, %options) = @_;
$self->{result_values}->{name} = $options{new_datas}->{$self->{instance} . '_name'};
$self->{result_values}->{namespace} = $options{new_datas}->{$self->{instance} . '_namespace'};
$self->{result_values}->{desired} = $options{new_datas}->{$self->{instance} . '_desired'};
$self->{result_values}->{current} = $options{new_datas}->{$self->{instance} . '_current'};
$self->{result_values}->{up_to_date} = $options{new_datas}->{$self->{instance} . '_up_to_date'};
$self->{result_values}->{ready} = $options{new_datas}->{$self->{instance} . '_ready'};
return 0;
}
sub set_counters {
my ($self, %options) = @_;
$self->{maps_counters_type} = [
{ name => 'statefulsets', type => 1, cb_prefix_output => 'prefix_statefulset_output',
message_multiple => 'All StatefulSets status are ok', skipped_code => { -11 => 1 } },
];
$self->{maps_counters}->{statefulsets} = [
{ label => 'status', set => {
key_values => [ { name => 'desired' }, { name => 'current' }, { name => 'up_to_date' },
{ name => 'ready' }, { name => 'name' } ],
closure_custom_calc => $self->can('custom_status_calc'),
closure_custom_output => $self->can('custom_status_output'),
closure_custom_perfdata => $self->can('custom_status_perfdata'),
closure_custom_threshold_check => \&catalog_status_threshold,
}
},
];
}
sub prefix_statefulset_output {
my ($self, %options) = @_;
return "StatefulSet '" . $options{instance_value}->{name} . "' ";
}
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
bless $self, $class;
$options{options}->add_options(arguments => {
"filter-name:s" => { name => 'filter_name' },
"filter-namespace:s" => { name => 'filter_namespace' },
"warning-status:s" => { name => 'warning_status', default => '%{up_to_date} < %{desired}' },
"critical-status:s" => { name => 'critical_status', default => '%{ready} < %{desired}' },
});
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::check_options(%options);
$self->change_macros(macros => ['warning_status', 'critical_status']);
}
sub manage_selection {
my ($self, %options) = @_;
$self->{statefulsets} = {};
my $results = $options{custom}->kubernetes_list_statefulsets();
foreach my $statefulset (@{$results}) {
if (defined($self->{option_results}->{filter_name}) && $self->{option_results}->{filter_name} ne '' &&
$statefulset->{metadata}->{name} !~ /$self->{option_results}->{filter_name}/) {
$self->{output}->output_add(long_msg => "skipping '" . $statefulset->{metadata}->{name} . "': no matching filter name.", debug => 1);
next;
}
if (defined($self->{option_results}->{filter_namespace}) && $self->{option_results}->{filter_namespace} ne '' &&
$statefulset->{metadata}->{namespace} !~ /$self->{option_results}->{filter_namespace}/) {
$self->{output}->output_add(long_msg => "skipping '" . $statefulset->{metadata}->{namespace} . "': no matching filter namespace.", debug => 1);
next;
}
$self->{statefulsets}->{$statefulset->{metadata}->{uid}} = {
name => $statefulset->{metadata}->{name},
namespace => $statefulset->{metadata}->{namespace},
desired => $statefulset->{spec}->{replicas},
current => (defined($statefulset->{status}->{currentReplicas})) && $statefulset->{status}->{currentReplicas} =~ /(\d+)/ ? $1 : 0,
ready => (defined($statefulset->{status}->{readyReplicas})) && $statefulset->{status}->{readyReplicas} =~ /(\d+)/ ? $1 : 0,
up_to_date => (defined($statefulset->{status}->{updatedReplicas})) && $statefulset->{status}->{updatedReplicas} =~ /(\d+)/ ? $1 : 0
}
}
if (scalar(keys %{$self->{statefulsets}}) <= 0) {
$self->{output}->add_option_msg(short_msg => "No StatefulSets found.");
$self->{output}->option_exit();
}
}
1;
__END__
=head1 MODE
Check StatefulSet status.
=over 8
=item B<--filter-name>
Filter StatefulSet name (can be a regexp).
=item B<--filter-namespace>
Filter StatefulSet namespace (can be a regexp).
=item B<--warning-status>
Set warning threshold for status (Default: '%{up_to_date} < %{desired}')
Can used special variables like: %{name}, %{namespace}, %{desired}, %{current},
%{up_to_date}, %{ready}.
=item B<--critical-status>
Set critical threshold for status (Default: '%{ready} < %{desired}').
Can used special variables like: %{name}, %{namespace}, %{desired}, %{current},
%{up_to_date}, %{ready}.
=back
=cut