280 lines
11 KiB
Perl
280 lines
11 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::nodestatus;
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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 ($self, %options) = @_;
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return sprintf("Status is '%s', New Pods Schedulable : %s",
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$self->{result_values}->{status},
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$self->{result_values}->{schedulable});
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}
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sub custom_status_calc {
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my ($self, %options) = @_;
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$self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
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$self->{result_values}->{status} = $options{new_datas}->{$self->{instance} . '_status'};
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$self->{result_values}->{schedulable} = ($options{new_datas}->{$self->{instance} . '_unschedulable'} == 1) ? "false" : "true";
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return 0;
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}
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sub custom_usage_perfdata {
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my ($self, %options) = @_;
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my $label = 'allocated_pods';
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my $value_perf = $self->{result_values}->{allocated};
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my $extra_label = '';
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$extra_label = '_' . $self->{result_values}->{display} if (!defined($options{extra_instance}) || $options{extra_instance} != 0);
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my %total_options = ();
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if ($self->{instance_mode}->{option_results}->{units} eq '%') {
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$total_options{total} = $self->{result_values}->{capacity};
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$total_options{cast_int} = 1;
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}
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$self->{output}->perfdata_add(label => $label . $extra_label,
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value => $value_perf,
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $self->{label}, %total_options),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $self->{label}, %total_options),
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min => 0, max => $self->{result_values}->{capacity});
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}
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sub custom_usage_threshold {
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my ($self, %options) = @_;
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my ($exit, $threshold_value);
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$threshold_value = $self->{result_values}->{allocated};
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if ($self->{instance_mode}->{option_results}->{units} eq '%') {
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$threshold_value = $self->{result_values}->{prct_allocated};
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}
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$exit = $self->{perfdata}->threshold_check(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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return $exit;
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}
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sub custom_usage_output {
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my ($self, %options) = @_;
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my $msg = sprintf("Pods Allocation Capacity : %s, Allocated : %s (%.2f%%)",
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$self->{result_values}->{capacity}, $self->{result_values}->{allocated}, $self->{result_values}->{prct_allocated});
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return $msg;
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}
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sub custom_usage_calc {
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my ($self, %options) = @_;
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$self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
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$self->{result_values}->{capacity} = $options{new_datas}->{$self->{instance} . '_capacity'};
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$self->{result_values}->{allocatable} = $options{new_datas}->{$self->{instance} . '_allocatable'};
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$self->{result_values}->{allocated} = $self->{result_values}->{capacity} - $self->{result_values}->{allocatable};
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$self->{result_values}->{prct_allocated} = ($self->{result_values}->{capacity} > 0) ? $self->{result_values}->{allocated} * 100 / $self->{result_values}->{capacity} : 0;
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return 0;
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}
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sub set_counters {
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my ($self, %options) = @_;
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$self->{maps_counters_type} = [
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{ name => 'nodes', type => 1, cb_prefix_output => 'prefix_node_output', message_multiple => 'All nodes status are ok',
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message_separator => ' - ', skipped_code => { -11 => 1 } },
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];
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$self->{maps_counters}->{nodes} = [
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{ label => 'status', set => {
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key_values => [ { name => 'status' }, { name => 'unschedulable' }, { name => 'display' } ],
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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 => 'allocated-pods', set => {
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key_values => [ { name => 'capacity' }, { name => 'allocatable' }, { name => 'display' } ],
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closure_custom_calc => $self->can('custom_usage_calc'),
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closure_custom_output => $self->can('custom_usage_output'),
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closure_custom_perfdata => $self->can('custom_usage_perfdata'),
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closure_custom_threshold_check => $self->can('custom_usage_threshold'),
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}
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},
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];
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}
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sub prefix_node_output {
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my ($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);
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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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"node:s" => { name => 'node', default => 'node=~".*"' },
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"warning-status:s" => { name => 'warning_status' },
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"critical-status:s" => { name => 'critical_status', default => '%{status} !~ /Ready/ || %{schedulable} =~ /false/' },
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"extra-filter:s@" => { name => 'extra_filter' },
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"metric-overload:s@" => { name => 'metric_overload' },
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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->{metrics} = {
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'status' => '^kube_node_status_condition$',
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'unschedulable' => '^kube_node_spec_unschedulable$',
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'capacity' => '^kube_node_status_capacity_pods$',
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'allocatable' => '^kube_node_status_allocatable_pods$',
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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 $label (('node')) {
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if ($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->{nodes} = {};
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my $results = $options{custom}->query(queries => [ 'label_replace({__name__=~"' . $self->{metrics}->{status} . '",' .
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$self->{option_results}->{node} . ',' .
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'status="true"' .
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$self->{extra_filter} . '}, "__name__", "status", "", "")',
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'label_replace({__name__=~"' . $self->{metrics}->{unschedulable} . '",' .
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$self->{option_results}->{node} .
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$self->{extra_filter} . '}, "__name__", "unschedulable", "", "")',
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'label_replace({__name__=~"' . $self->{metrics}->{capacity} . '",' .
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$self->{option_results}->{node} .
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$self->{extra_filter} . '}, "__name__", "capacity", "", "")',
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'label_replace({__name__=~"' . $self->{metrics}->{allocatable} . '",' .
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$self->{option_results}->{node} .
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$self->{extra_filter} . '}, "__name__", "allocatable", "", "")' ]);
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foreach my $result (@{$results}) {
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$self->{nodes}->{$result->{metric}->{$self->{labels}->{node}}}->{display} = $result->{metric}->{$self->{labels}->{node}};
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$self->{nodes}->{$result->{metric}->{$self->{labels}->{node}}}->{$result->{metric}->{__name__}} = ${$result->{value}}[1];
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$self->{nodes}->{$result->{metric}->{$self->{labels}->{node}}}->{$result->{metric}->{__name__}} = $result->{metric}->{condition} if ($result->{metric}->{__name__} =~ /status/);
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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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}
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1;
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__END__
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=head1 MODE
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Check node status.
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=over 8
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=item B<--node>
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Filter on a specific node (Must be a PromQL filter, Default: 'node=~".*"')
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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: %{display}, %{status}, %{schedulable}
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=item B<--critical-status>
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Set critical threshold for status (Default: '%{status} !~ /Ready/ || %{schedulable} != /false/').
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Can used special variables like: %{display}, %{status}, %{schedulable}
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=item B<--warning-allocated-pods>
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Threshold warning for pods allocation.
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=item B<--critical-allocated-pods>
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Threshold critical for pods allocation.
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=item B<--units>
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Units of thresholds (Default: '') (Can be '%').
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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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- status: ^kube_node_status_condition$
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- unschedulable: ^kube_node_spec_unschedulable$
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- capacity: ^kube_node_status_capacity_pods$
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- allocatable: ^kube_node_status_allocatable_pods$
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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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