290 lines
12 KiB
Perl
290 lines
12 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::nodeusage;
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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_cpu_output {
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my ($self, %options) = @_;
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return sprintf(
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'CPU %s: %.2f%% (%s/%s)',
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$self->{result_values}->{flavor},
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$self->{result_values}->{'cpu_' . $self->{result_values}->{flavor} . '_prct'},
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$self->{result_values}->{'cpu_' . $self->{result_values}->{flavor}},
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$self->{result_values}->{cpu_allocatable}
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);
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}
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sub custom_cpu_calc {
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my ($self, %options) = @_;
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$self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
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$self->{result_values}->{flavor} = $options{extra_options}->{flavor};
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$self->{result_values}->{cpu_allocatable} = $options{new_datas}->{$self->{instance} . '_cpu_allocatable'};
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$self->{result_values}->{'cpu_' . $self->{result_values}->{flavor}} = $options{new_datas}->{$self->{instance} . '_cpu_' . $self->{result_values}->{flavor}};
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$self->{result_values}->{'cpu_' . $self->{result_values}->{flavor} . '_prct'} = ($self->{result_values}->{cpu_allocatable} > 0) ?
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$self->{result_values}->{'cpu_' . $self->{result_values}->{flavor}} * 100 / $self->{result_values}->{cpu_allocatable} : 0;
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return 0;
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}
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sub custom_memory_output {
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my ($self, %options) = @_;
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return sprintf(
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'Memory %s: %.2f%% (%s%s/%s%s)',
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$self->{result_values}->{flavor},
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$self->{result_values}->{'memory_' . $self->{result_values}->{flavor} . '_prct'},
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$self->{perfdata}->change_bytes(value => $self->{result_values}->{'memory_' . $self->{result_values}->{flavor}}),
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$self->{perfdata}->change_bytes(value => $self->{result_values}->{memory_allocatable})
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);
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}
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sub custom_memory_calc {
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my ($self, %options) = @_;
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$self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
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$self->{result_values}->{flavor} = $options{extra_options}->{flavor};
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$self->{result_values}->{memory_allocatable} = $options{new_datas}->{$self->{instance} . '_memory_allocatable'};
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$self->{result_values}->{'memory_' . $self->{result_values}->{flavor}} = $options{new_datas}->{$self->{instance} . '_memory_' . $self->{result_values}->{flavor}};
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$self->{result_values}->{'memory_' . $self->{result_values}->{flavor} . '_prct'} = ($self->{result_values}->{memory_allocatable} > 0) ?
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$self->{result_values}->{'memory_' . $self->{result_values}->{flavor}} * 100 / $self->{result_values}->{memory_allocatable} : 0;
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return 0;
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}
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sub custom_pods_output {
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my ($self, %options) = @_;
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return sprintf(
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'Pods allocation: %.2f%% (%s/%s)',
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$self->{result_values}->{pods_allocated_prct},
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$self->{result_values}->{pods_allocated},
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$self->{result_values}->{pods_allocatable}
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);
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}
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sub custom_pods_calc {
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my ($self, %options) = @_;
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$self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
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$self->{result_values}->{pods_allocatable} = $options{new_datas}->{$self->{instance} . '_pods_allocatable'};
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$self->{result_values}->{pods_allocated} = $options{new_datas}->{$self->{instance} . '_pods_allocated'};
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$self->{result_values}->{pods_allocated_prct} = ($self->{result_values}->{pods_allocatable} > 0) ?
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$self->{result_values}->{pods_allocated} * 100 / $self->{result_values}->{pods_allocatable} : 0;
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return 0;
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}
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sub set_counters {
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my ($self, %options) = @_;
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$self->{maps_counters_type} = [
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{ name => 'nodes', type => 1, cb_prefix_output => 'prefix_node_output',
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message_multiple => 'All Nodes usage are ok', skipped_code => { -11 => 1 } },
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];
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$self->{maps_counters}->{nodes} = [
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{ label => 'cpu-requests', nlabel => 'cpu.requests.percentage', set => {
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key_values => [ { name => 'cpu_allocatable' }, { name => 'cpu_requests' }, { name => 'display' } ],
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closure_custom_calc => $self->can('custom_cpu_calc'),
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closure_custom_calc_extra_options => { flavor => 'requests' },
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closure_custom_output => $self->can('custom_cpu_output'),
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perfdatas => [
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{ label => 'cpu_requests', value => 'cpu_requests_prct',
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template => '%.2f', min => 0, max => '100', unit => '%',
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label_extra_instance => 1, instance_use => 'display' }
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]
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}
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},
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{ label => 'cpu-limits', nlabel => 'cpu.limits.percentage', set => {
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key_values => [ { name => 'cpu_allocatable' }, { name => 'cpu_limits' }, { name => 'display' } ],
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closure_custom_calc => $self->can('custom_cpu_calc'),
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closure_custom_calc_extra_options => { flavor => 'limits' },
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closure_custom_output => $self->can('custom_cpu_output'),
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perfdatas => [
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{ label => 'cpu_limits', value => 'cpu_limits_prct',
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template => '%.2f', min => 0, max => '100', unit => '%',
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label_extra_instance => 1, instance_use => 'display' }
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]
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}
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},
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{ label => 'memory-requests', nlabel => 'memory.requests.percentage', set => {
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key_values => [ { name => 'memory_allocatable' }, { name => 'memory_requests' }, { name => 'display' } ],
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closure_custom_calc => $self->can('custom_memory_calc'),
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closure_custom_calc_extra_options => { flavor => 'requests' },
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closure_custom_output => $self->can('custom_memory_output'),
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perfdatas => [
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{ label => 'memory_requests', value => 'memory_requests_prct',
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template => '%.2f', min => 0, max => '100', unit => '%',
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label_extra_instance => 1, instance_use => 'display' }
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]
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}
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},
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{ label => 'memory-limits', nlabel => 'memory.limits.percentage', set => {
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key_values => [ { name => 'memory_allocatable' }, { name => 'memory_limits' }, { name => 'display' } ],
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closure_custom_calc => $self->can('custom_memory_calc'),
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closure_custom_calc_extra_options => { flavor => 'limits' },
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closure_custom_output => $self->can('custom_memory_output'),
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perfdatas => [
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{ label => 'memory_limits', value => 'memory_limits_prct',
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template => '%.2f', min => 0, max => '100', unit => '%',
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label_extra_instance => 1, instance_use => 'display' }
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]
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}
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},
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{ label => 'allocated-pods', nlabel => 'pods.allocation.percentage', set => {
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key_values => [ { name => 'pods_allocatable' }, { name => 'pods_allocated' }, { name => 'display' } ],
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closure_custom_calc => $self->can('custom_pods_calc'),
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closure_custom_output => $self->can('custom_pods_output'),
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perfdatas => [
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{ label => 'allocated_pods', value => 'pods_allocated_prct',
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template => '%.2f', min => 0, max => '100', unit => '%',
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label_extra_instance => 1, instance_use => 'display' }
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]
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}
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}
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];
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}
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sub prefix_node_output {
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my ($self, %options) = @_;
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return "Node '" . $options{instance_value}->{display} . "' ";
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}
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options, 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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"units:s" => { name => 'units', default => '%' }, # Keep compat
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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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$self->SUPER::check_options(%options);
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}
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sub manage_selection {
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my ($self, %options) = @_;
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$self->{nodes} = {};
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my $nodes = $options{custom}->kubernetes_list_nodes();
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foreach my $node (@{$nodes}) {
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if (defined($self->{option_results}->{filter_name}) && $self->{option_results}->{filter_name} ne '' &&
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$node->{metadata}->{name} !~ /$self->{option_results}->{filter_name}/) {
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$self->{output}->output_add(long_msg => "skipping '" . $node->{metadata}->{name} . "': no matching filter name.", debug => 1);
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next;
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}
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$self->{nodes}->{$node->{metadata}->{name}} = {
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display => $node->{metadata}->{name},
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pods_allocatable => $node->{status}->{allocatable}->{pods},
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cpu_allocatable => $self->to_bytes(value => $node->{status}->{allocatable}->{cpu}),
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memory_allocatable => $self->to_bytes(value => $node->{status}->{capacity}->{memory}),
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}
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}
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if (scalar(keys %{$self->{nodes}}) <= 0) {
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$self->{output}->add_option_msg(short_msg => "No Nodes found.");
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$self->{output}->option_exit();
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}
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my $pods = $options{custom}->kubernetes_list_pods();
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foreach my $pod (@{$pods}) {
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next if (defined($pod->{spec}->{nodeName}) && !defined($self->{nodes}->{$pod->{spec}->{nodeName}}));
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$self->{nodes}->{$pod->{spec}->{nodeName}}->{pods_allocated}++;
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foreach my $container (@{$pod->{spec}->{containers}}) {
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$self->{nodes}->{$pod->{spec}->{nodeName}}->{cpu_requests} += $self->to_core(value => $container->{resources}->{requests}->{cpu}) if (defined($container->{resources}->{requests}->{cpu}));
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$self->{nodes}->{$pod->{spec}->{nodeName}}->{cpu_limits} += $self->to_core(value => $container->{resources}->{limits}->{cpu}) if (defined($container->{resources}->{limits}->{cpu}));
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$self->{nodes}->{$pod->{spec}->{nodeName}}->{memory_requests} += $self->to_bytes(value => $container->{resources}->{requests}->{memory}) if (defined($container->{resources}->{requests}->{memory}));
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$self->{nodes}->{$pod->{spec}->{nodeName}}->{memory_limits} += $self->to_bytes(value => $container->{resources}->{limits}->{memory}) if (defined($container->{resources}->{limits}->{memory}));
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}
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}
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}
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sub to_bytes {
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my ($self, %options) = @_;
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my $value = $options{value};
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if ($value =~ /(\d+)Ki$/) {
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$value = $1 * 1024;
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} elsif ($value =~ /(\d+)Mi$/) {
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$value = $1 * 1024 * 1024;
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} elsif ($value =~ /(\d+)Gi$/) {
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$value = $1 * 1024 * 1024 * 1024;
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} elsif ($value =~ /(\d+)Ti$/) {
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$value = $1 * 1024 * 1024 * 1024 * 1024;
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}
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return $value;
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}
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sub to_core {
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my ($self, %options) = @_;
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my $value = $options{value};
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if ($value =~ /(\d+)m$/) {
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$value = $1 / 1000;
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}
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return $value;
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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 node usage.
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=over 8
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=item B<--filter-name>
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Filter node name (can be a regexp).
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=item B<--warning-*> B<--critical-*>
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Thresholds (in percentage).
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Can be: 'cpu-requests', 'cpu-limits', 'memory-requests', 'memory-limits',
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'allocated-pods'.
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=back
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=cut
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