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

229 lines
7.9 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::clusterevents;
use base qw(centreon::plugins::templates::counter);
use strict;
use warnings;
use DateTime;
use centreon::plugins::misc;
use centreon::plugins::templates::catalog_functions qw(catalog_status_threshold_ng);
sub custom_event_calc {
my ($self, %options) = @_;
$self->{result_values}->{type} = $options{new_datas}->{$self->{instance} . '_type'};
$self->{result_values}->{object} = $options{new_datas}->{$self->{instance} . '_object'};
$self->{result_values}->{message} = $options{new_datas}->{$self->{instance} . '_message'};
$self->{result_values}->{count} = $options{new_datas}->{$self->{instance} . '_count'};
$self->{result_values}->{first_seen_time} = $options{new_datas}->{$self->{instance} . '_first_seen'};
$self->{result_values}->{last_seen_time} = $options{new_datas}->{$self->{instance} . '_last_seen'};
# 2021-03-09T11:01:00Z, UTC timezone
if ($self->{result_values}->{first_seen_time} =~ /^\s*(\d+)-(\d+)-(\d+)T(\d+):(\d+):(\d+)Z/) {
my $dt = DateTime->new(
year => $1,
month => $2,
day => $3,
hour => $4,
minute => $5,
second => $6
);
$self->{result_values}->{first_seen} = time() - $dt->epoch;
}
if ($self->{result_values}->{last_seen_time} =~ /^\s*(\d+)-(\d+)-(\d+)T(\d+):(\d+):(\d+)Z/) {
my $dt = DateTime->new(
year => $1,
month => $2,
day => $3,
hour => $4,
minute => $5,
second => $6
);
$self->{result_values}->{last_seen} = time() - $dt->epoch;
}
return 0;
}
sub custom_event_output {
my ($self, %options) = @_;
my $msg = sprintf("Event '%s' for object '%s' with message '%s'",
$self->{result_values}->{type},
$self->{result_values}->{object},
$self->{result_values}->{message}
);
$msg .= sprintf(", Count: %s, First seen: %s ago (%s), Last seen: %s ago (%s)",
$self->{result_values}->{count},
centreon::plugins::misc::change_seconds(value => $self->{result_values}->{first_seen}),
$self->{result_values}->{first_seen_time},
centreon::plugins::misc::change_seconds(value => $self->{result_values}->{last_seen}),
$self->{result_values}->{last_seen_time}
) if (defined($self->{result_values}->{count}) && $self->{result_values}->{count} ne '');
return $msg;
}
sub prefix_global_output {
my ($self, %options) = @_;
return "Number of events ";
}
sub set_counters {
my ($self, %options) = @_;
$self->{maps_counters_type} = [
{ name => 'global', type => 0, cb_prefix_output => 'prefix_global_output', skipped_code => { -10 => 1 } },
{ name => 'events', type => 1 },
];
$self->{maps_counters}->{global} = [
{ label => 'warning', nlabel => 'events.type.warning.count', set => {
key_values => [ { name => 'warning' } ],
output_template => 'Warning : %d',
perfdatas => [
{ label => 'warning_events', template => '%d', min => 0 }
]
}
},
{ label => 'normal', nlabel => 'events.type.normal.count', set => {
key_values => [ { name => 'normal' } ],
output_template => 'Normal : %d',
perfdatas => [
{ label => 'normal_events', template => '%d', min => 0 }
]
}
},
];
$self->{maps_counters}->{events} = [
{
label => 'status',
type => 2,
warning_default => '%{type} =~ /warning/i',
critical_default => '%{type} =~ /error/i',
set => {
key_values => [
{ name => 'object' }, { name => 'count' }, { name => 'first_seen' }, { name => 'last_seen' },
{ name => 'message' }, { name => 'reason' }, { name => 'type' }
],
closure_custom_calc => $self->can('custom_event_calc'),
closure_custom_output => $self->can('custom_event_output'),
closure_custom_perfdata => sub { return 0; },
closure_custom_threshold_check => \&catalog_status_threshold_ng
}
}
];
}
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
bless $self, $class;
$options{options}->add_options(arguments => {
"filter-type:s" => { name => 'filter_type' },
"filter-namespace:s" => { name => 'filter_namespace' },
});
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->{events} = {};
my $results = $options{custom}->kubernetes_list_events();
$self->{global} = { normal => 0, warning => 0 };
foreach my $event (@{$results}) {
if (defined($self->{option_results}->{filter_type}) && $self->{option_results}->{filter_type} ne '' &&
$event->{type} !~ /$self->{option_results}->{filter_type}/) {
$self->{output}->output_add(long_msg => "skipping '" . $event->{type} . "': no matching filter type.", debug => 1);
next;
}
if (defined($self->{option_results}->{filter_namespace}) && $self->{option_results}->{filter_namespace} ne '' &&
$event->{metadata}->{namespace} !~ /$self->{option_results}->{filter_namespace}/) {
$self->{output}->output_add(long_msg => "skipping '" . $event->{metadata}->{namespace} . "': no matching filter namespace.", debug => 1);
next;
}
$self->{global}->{lc($event->{type})}++;
$self->{events}->{$event->{metadata}->{uid}} = {
name => $event->{metadata}->{name},
namespace => $event->{metadata}->{namespace},
object => $event->{involvedObject}->{kind} . "/" . $event->{involvedObject}->{name},
count => (defined($event->{count})) ? $event->{count} : "",
first_seen => (defined($event->{firstTimestamp})) ? $event->{firstTimestamp} : "",
last_seen => (defined($event->{lastTimestamp})) ? $event->{lastTimestamp} : "",
message => $event->{message},
reason => $event->{reason},
type => $event->{type}
}
}
}
1;
__END__
=head1 MODE
Check cluster events.
=over 8
=item B<--filter-type>
Filter event type (can be a regexp).
=item B<--filter-namespace>
Filter namespace (can be a regexp).
=item B<--warning-status>
Set warning threshold for status (Default: '%{type} =~ /warning/i')
Can use special variables like: %{name}, %{namespace}, %{type},
%{object}, %{message}, %{count}, %{first_seen}, %{last_seen}.
=item B<--critical-status>
Set critical threshold for status (Default: '%{type} =~ /error/i').
Can use special variables like: %{name}, %{namespace}, %{type},
%{object}, %{message}, %{count}, %{first_seen}, %{last_seen}.
=back
=cut