centreon-plugins/cloud/cadvisor/restapi/mode/containerusage.pm

274 lines
11 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::cadvisor::restapi::mode::containerusage;
use base qw(centreon::plugins::templates::counter);
use strict;
use warnings;
use Digest::MD5 qw(md5_hex);
use DateTime;
sub custom_memory_output {
my ($self, %options) = @_;
my ($total_size_value, $total_size_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{memory_total});
my ($total_used_value, $total_used_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{memory_used});
return sprintf(
"Memory Used: %s (%.2f%%) Total: %s" ,
$total_used_value . " " . $total_used_unit, 100 * $self->{result_values}->{memory_used} / $self->{result_values}->{memory_total},
$total_size_value . " " . $total_size_unit
);
}
sub prefix_containers_output {
my ($self, %options) = @_;
return "Container '" . $options{instance_value}->{display} . "' ";
}
sub set_counters {
my ($self, %options) = @_;
$self->{maps_counters_type} = [
{ name => 'containers', type => 1, cb_prefix_output => 'prefix_containers_output', message_multiple => 'All containers are ok', skipped_code => { -11 => 1 } },
];
$self->{maps_counters}->{containers} = [
{ label => 'cpu-number', nlabel => 'container.cpu.count', set => {
key_values => [ { name => 'cpu_number'}, { name => 'display' } ],
output_template => 'CPU: %d core(s)',
perfdatas => [
{ label => 'cpu_number', template => '%d',
min => 0, label_extra_instance => 1, instance_use => 'display' }
]
}
},
{ label => 'cpu-total', nlabel => 'container.cpu.utilization.percentage', set => {
key_values => [ { name => 'cpu_total'}, { name => 'display' } ],
output_template => 'CPU Usage: %.2f %%',
perfdatas => [
{ label => 'cpu_total', template => '%.2f',
unit => '%', min => 0, max => 100, label_extra_instance => 1, instance_use => 'display' }
]
}
},
{ label => 'cpu-user', nlabel => 'container.cpu.user.utilization.percentage', set => {
key_values => [ { name => 'cpu_user'}, { name => 'display' } ],
output_template => 'CPU User: %.2f %%',
perfdatas => [
{ label => 'cpu_user', template => '%.2f',
unit => '%', min => 0, max => 100, label_extra_instance => 1, instance_use => 'display' }
]
}
},
{ label => 'cpu-system', nlabel => 'container.cpu.system.utilization.percentage', set => {
key_values => [ { name => 'cpu_system' }, { name => 'display' } ],
output_template => 'CPU System: %.2f %%',
perfdatas => [
{ label => 'cpu_system', template => '%.2f',
unit => '%', min => 0, max => 100, label_extra_instance => 1, instance_use => 'display' }
]
}
},
{ label => 'memory', nlabel => 'container.memory.usage.bytes', set => {
key_values => [ { name => 'memory_used' }, { name => 'memory_total' }, { name => 'display' } ],
closure_custom_output => $self->can('custom_memory_output'),
output_change_bytes => 1,
perfdatas => [
{ label => 'memory_used', template => '%s',
min => 0, max => 'memory_total',unit => 'B', label_extra_instance => 1, instance_use => 'display' }
]
}
},
{ label => 'memory-cache', nlabel => 'container.memory.cache.usage.bytes', set => {
key_values => [ { name => 'memory_cache' }, { name => 'display' } ],
output_template => 'Memory Cache: %s %s',
output_change_bytes => 1,
perfdatas => [
{ label => 'memory_cache', template => '%s',
min => 0, unit => 'B', label_extra_instance => 1, instance_use => 'display' }
]
}
},
{ label => 'memory-rss', nlabel => 'container.memory.rss.usage.bytes', set => {
key_values => [ { name => 'memory_rss' }, { name => 'display' } ],
output_template => 'Memory RSS: %s %s',
output_change_bytes => 1,
perfdatas => [
{ label => 'memory_rss', template => '%s',
min => 0, unit => 'B', label_extra_instance => 1, instance_use => 'display' }
]
}
},
{ label => 'swap', nlabel => 'container.swap.usage.bytes', set => {
key_values => [ { name => 'swap' }, { name => 'display' } ],
output_template => 'Swap: %s %s',
output_change_bytes => 1,
perfdatas => [
{ label => 'swap', template => '%s',
min => 0, unit => 'B', label_extra_instance => 1, instance_use => 'display' }
]
}
}
];
}
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
bless $self, $class;
$options{options}->add_options(arguments => {
'container-id:s' => { name => 'container_id' },
'container-name:s' => { name => 'container_name' },
'filter-name:s' => { name => 'filter_name' },
'use-name' => { name => 'use_name' }
});
return $self;
}
sub manage_selection {
my ($self, %options) = @_;
$self->{containers} = {};
my $result = $options{custom}->api_get_containers(
container_id => $self->{option_results}->{container_id},
container_name => $self->{option_results}->{container_name}
);
my $machine_stats = $options{custom}->api_get_machine_stats();
foreach my $container_id (keys %{$result}) {
next if (!defined($result->{$container_id}->{Stats}));
my $name = $result->{$container_id}->{Name};
if (defined($self->{option_results}->{filter_name}) && $self->{option_results}->{filter_name} ne '' &&
$name !~ /$self->{option_results}->{filter_name}/) {
$self->{output}->output_add(long_msg => "skipping '" . $name . "': no matching filter.", debug => 1);
next;
}
my $first_index = 0;
my $first_stat = $result->{$container_id}->{Stats}[$first_index];
my $first_ts = $first_stat->{timestamp};
my $first_dt = $self->parse_date(date => $first_ts);
my $first_cpu_total = $first_stat->{cpu}{usage}{total};
my $first_cpu_user = $first_stat->{cpu}{usage}{user};
my $first_cpu_system = $first_stat->{cpu}{usage}{system};
my $last_index = scalar @{$result->{$container_id}->{Stats}} - 1;
my $last_stat = $result->{$container_id}->{Stats}[$last_index];
my $last_ts = $last_stat->{timestamp};
my $last_dt = $self->parse_date(date => $last_ts);
my $last_cpu_total = $last_stat->{cpu}{usage}{total};
my $last_cpu_user = $last_stat->{cpu}{usage}{user};
my $last_cpu_system = $last_stat->{cpu}{usage}{system};
my $diff_ts = $last_dt - $first_dt;
my $cpu_number = $machine_stats->{$result->{$container_id}->{NodeName}}->{num_cores};
$self->{containers}->{$container_id} = {
node_name => $result->{$container_id}->{NodeName},
display => defined($self->{option_results}->{use_name}) ? $name : $container_id,
name => $name,
cpu_total => ($last_cpu_total - $first_cpu_total) / ($diff_ts * 1_000_000_000) * 100 / $cpu_number,
cpu_user => ($last_cpu_user - $first_cpu_user) / ($diff_ts * 1_000_000_000) * 100 / $cpu_number,
cpu_system => ($last_cpu_system - $first_cpu_system) / ($diff_ts * 1_000_000_000) * 100 / $cpu_number,
cpu_number => $cpu_number,
memory_used => $last_stat->{memory}{usage},
memory_cache => $last_stat->{memory}{cache},
memory_rss => $last_stat->{memory}{rss},
swap => $last_stat->{memory}{swap},
memory_total => $machine_stats->{$result->{$container_id}->{NodeName}}->{memory_capacity},
};
}
if (scalar(keys %{$self->{containers}}) <= 0) {
$self->{output}->add_option_msg(short_msg => "No containers found.");
$self->{output}->option_exit();
}
my $hostnames = $options{custom}->get_hostnames();
}
sub parse_date {
my ($self, %options) = @_;
if ($options{date} !~ /^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})\.(\d*)([^\d]+)$/) {
$self->{output}->add_option_msg(short_msg => "Wrong time found '" . $options{date} . "'.");
$self->{output}->option_exit();
}
my $dt = DateTime->new(
year => $1, month => $2, day => $3,
hour => $4, minute => $5, second => $6,
time_zone => $8
);
# return epoch time with nanoseconds
return $dt->epoch.".".$7;
}
1;
__END__
=head1 MODE
Check container usage.
=over 8
=item B<--container-id>
Exact container ID.
=item B<--container-name>
Exact container name (if multiple names: names separated by ':').
=item B<--use-name>
Use name for perfdata and display.
=item B<--filter-name>
Filter by container name (can be a regexp).
=item B<--filter-counters>
Only display some counters (regexp can be used).
Example: --filter-counters='cpu'
=item B<--warning-*>
Threshold warning.
Can be: 'read-iops', 'write-iops', 'traffic-in', 'traffic-out',
'cpu' (%), 'memory' (%).
=item B<--critical-*>
Threshold critical.
Can be: 'read-iops', 'write-iops', 'traffic-in', 'traffic-out',
'cpu' (%), 'memory' (%).
=back
=cut