centreon-plugins/cloud/aws/lambda/mode/invocations.pm

229 lines
7.4 KiB
Perl

#
# Copyright 2020 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::aws::lambda::mode::invocations;
use base qw(centreon::plugins::templates::counter);
use strict;
use warnings;
my %metrics_mapping = (
'Duration' => {
'output' => 'Duration',
'label' => 'duration',
'nlabel' => 'lambda.function.duration.milliseconds',
},
'Invocations' => {
'output' => 'Invocations',
'label' => 'invocations',
'nlabel' => 'lambda.function.invocations.count',
},
'Errors' => {
'output' => 'Errors',
'label' => 'errors',
'nlabel' => 'lambda.function.errors.count',
},
'DeadLetterErrors' => {
'output' => 'Dead Letter Errors',
'label' => 'deadlettererrors',
'nlabel' => 'lambda.function.deadlettererrors.count',
},
'Throttles' => {
'output' => 'Throttles',
'label' => 'throttles',
'nlabel' => 'lambda.function.throttles.count',
},
'IteratorAge' => {
'output' => 'Iterator Age',
'label' => 'iteratorage',
'nlabel' => 'lambda.function.iteratorage.milliseconds',
}
);
sub prefix_metric_output {
my ($self, %options) = @_;
return "Function '" . $options{instance_value}->{display} . "' ";
}
sub prefix_statistics_output {
my ($self, %options) = @_;
return "Statistic '" . $options{instance_value}->{display} . "' Metrics ";
}
sub long_output {
my ($self, %options) = @_;
return "Checking Function '" . $options{instance_value}->{display} . "' ";
}
sub set_counters {
my ($self, %options) = @_;
$self->{maps_counters_type} = [
{ name => 'metrics', type => 3, cb_prefix_output => 'prefix_metric_output', cb_long_output => 'long_output',
message_multiple => 'All functions metrics are ok', indent_long_output => ' ',
group => [
{ name => 'statistics', display_long => 1, cb_prefix_output => 'prefix_statistics_output',
message_multiple => 'All metrics are ok', type => 1, skipped_code => { -10 => 1 } },
]
}
];
foreach my $metric (keys %metrics_mapping) {
my $entry = {
label => $metrics_mapping{$metric}->{label},
nlabel => $metrics_mapping{$metric}->{nlabel},
set => {
key_values => [ { name => $metric }, { name => 'display' } ],
output_template => $metrics_mapping{$metric}->{output} . ': %.2f',
perfdatas => [
{ value => $metric , template => '%.2f', label_extra_instance => 1 }
],
}
};
push @{$self->{maps_counters}->{statistics}}, $entry;
}
}
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
bless $self, $class;
$options{options}->add_options(arguments => {
"name:s@" => { name => 'name' },
"filter-metric:s" => { name => 'filter_metric' },
});
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::check_options(%options);
if (!defined($self->{option_results}->{name}) || $self->{option_results}->{name} eq '') {
$self->{output}->add_option_msg(short_msg => "Need to specify --name option.");
$self->{output}->option_exit();
}
foreach my $instance (@{$self->{option_results}->{name}}) {
if ($instance ne '') {
push @{$self->{aws_instance}}, $instance;
}
}
$self->{aws_timeframe} = defined($self->{option_results}->{timeframe}) ? $self->{option_results}->{timeframe} : 600;
$self->{aws_period} = defined($self->{option_results}->{period}) ? $self->{option_results}->{period} : 60;
$self->{aws_statistics} = ['Sum', 'Average'];
if (defined($self->{option_results}->{statistic})) {
$self->{aws_statistics} = [];
foreach my $stat (@{$self->{option_results}->{statistic}}) {
if ($stat ne '') {
push @{$self->{aws_statistics}}, ucfirst(lc($stat));
}
}
}
foreach my $metric (keys %metrics_mapping) {
next if (defined($self->{option_results}->{filter_metric}) && $self->{option_results}->{filter_metric} ne ''
&& $metric !~ /$self->{option_results}->{filter_metric}/);
push @{$self->{aws_metrics}}, $metric;
}
}
sub manage_selection {
my ($self, %options) = @_;
my %metric_results;
foreach my $instance (@{$self->{aws_instance}}) {
$metric_results{$instance} = $options{custom}->cloudwatch_get_metrics(
namespace => 'AWS/Lambda',
dimensions => [ { Name => 'FunctionName', Value => $instance } ],
metrics => $self->{aws_metrics},
statistics => $self->{aws_statistics},
timeframe => $self->{aws_timeframe},
period => $self->{aws_period}
);
foreach my $metric (@{$self->{aws_metrics}}) {
foreach my $statistic (@{$self->{aws_statistics}}) {
next if (!defined($metric_results{$instance}->{$metric}->{lc($statistic)}) && !defined($self->{option_results}->{zeroed}));
$self->{metrics}->{$instance}->{display} = $instance;
$self->{metrics}->{$instance}->{statistics}->{lc($statistic)}->{display} = $statistic;
$self->{metrics}->{$instance}->{statistics}->{lc($statistic)}->{$metric} = defined($metric_results{$instance}->{$metric}->{lc($statistic)}) ? $metric_results{$instance}->{$metric}->{lc($statistic)} : 0;
}
}
}
if (scalar(keys %{$self->{metrics}}) <= 0) {
$self->{output}->add_option_msg(short_msg => 'No metrics. Check your options or use --zeroed option to set 0 on undefined values');
$self->{output}->option_exit();
}
}
1;
__END__
=head1 MODE
Check Lambda invocations metrics.
Example:
perl centreon_plugins.pl --plugin=cloud::aws::lambda::plugin --custommode=paws --mode=invocations --region='eu-west-1'
--name='myFunction' --filter-metric='Duration' --statistic='average' --critical-duration='10' --verbose
See 'https://docs.aws.amazon.com/lambda/latest/dg/monitoring-functions-metrics.html' for more informations.
Default statistic: 'sum', 'average'.
=over 8
=item B<--name>
Set the function name (Required) (Can be multiple).
=item B<--filter-metric>
Filter metrics (Can be: 'Duration', 'Invocations', 'Errors',
'DeadLetterErrors', 'Throttles', 'IteratorAge')
(Can be a regexp).
=item B<--warning-*>
Thresholds warning (Can be: 'invocations', 'errors',
'throttles', 'duration', 'deadlettererrors', 'iteratorage').
=item B<--critical-*>
Thresholds critical (Can be: 'invocations', 'errors',
'throttles', 'duration', 'deadlettererrors', 'iteratorage').
=back
=cut