add nginx ingress controller through prometheus

This commit is contained in:
Colin Gagnaire 2019-02-27 12:00:04 +01:00
parent 98197fe8e9
commit 00410192f5
3 changed files with 455 additions and 0 deletions

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#
# Copyright 2019 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::prometheus::direct::nginxingresscontroller::mode::connections;
use base qw(centreon::plugins::templates::counter);
use strict;
use warnings;
use Digest::MD5 qw(md5_hex);
sub set_counters {
my ($self, %options) = @_;
$self->{maps_counters_type} = [
{ name => 'global', type => 0, cb_prefix_output => 'prefix_containers_output' },
];
$self->{maps_counters}->{global} = [
{ label => 'reading', set => {
key_values => [ { name => 'reading' } ],
output_template => 'Reading: %d',
perfdatas => [
{ label => 'reading', value => 'reading_absolute', template => '%d',
min => 0, unit => 'connections' },
],
}
},
{ label => 'waiting', set => {
key_values => [ { name => 'waiting' } ],
output_template => 'Waiting: %d',
perfdatas => [
{ label => 'waiting', value => 'waiting_absolute', template => '%d',
min => 0, unit => 'connections' },
],
}
},
{ label => 'writing', set => {
key_values => [ { name => 'writing' } ],
output_template => 'Writing: %d',
perfdatas => [
{ label => 'writing', value => 'writing_absolute', template => '%d',
min => 0, unit => 'connections' },
],
}
},
{ label => 'active', set => {
key_values => [ { name => 'active' } ],
output_template => 'Active: %d',
perfdatas => [
{ label => 'active', value => 'active_absolute', template => '%d',
min => 0, unit => 'connections' },
],
}
},
{ label => 'accepted', set => {
key_values => [ { name => 'accepted', diff => 1 } ],
output_template => 'Accepted: %.2f/s',
per_second => 1,
perfdatas => [
{ label => 'accepted', value => 'accepted_per_second', template => '%.2f',
min => 0, unit => 'connections/s' },
],
}
},
{ label => 'handled', set => {
key_values => [ { name => 'handled', diff => 1 } ],
output_template => 'Handled: %.2f/s',
per_second => 1,
perfdatas => [
{ label => 'handled', value => 'handled_per_second', template => '%.2f',
min => 0, unit => 'connections/s' },
],
}
},
];
}
sub prefix_containers_output {
my ($self, %options) = @_;
return "Connections ";
}
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options, statefile => 1);
bless $self, $class;
$self->{version} = '1.0';
$options{options}->add_options(arguments => {
"filter-counters:s" => { name => 'filter_counters' },
"extra-filter:s@" => { name => 'extra_filter' },
"metric-overload:s@" => { name => 'metric_overload' },
});
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::check_options(%options);
$self->{metrics} = {
'connections' => '^nginx_ingress_controller_nginx_process_connections$',
'connections_total' => '^nginx_ingress_controller_nginx_process_connections_total$',
};
foreach my $metric (@{$self->{option_results}->{metric_overload}}) {
next if ($metric !~ /(.*),(.*)/);
$self->{metrics}->{$1} = $2 if (defined($self->{metrics}->{$1}));
}
$self->{extra_filter} = '';
foreach my $filter (@{$self->{option_results}->{extra_filter}}) {
$self->{extra_filter} .= ',' . $filter;
}
}
sub manage_selection {
my ($self, %options) = @_;
$self->{cache_name} = "prometheus_nginxingresscontroller_" . md5_hex($options{custom}->get_connection_info()) . '_' . $self->{mode} . '_' .
(defined($self->{option_results}->{filter_counters}) ? md5_hex($self->{option_results}->{filter_counters}) : md5_hex('all'));
$self->{global} = {};
my $results = $options{custom}->query(queries => [ 'label_replace({__name__=~"' . $self->{metrics}->{connections} . '",' .
$self->{extra_filter} . '}, "__name__", "connections", "", "")',
'label_replace({__name__=~"' . $self->{metrics}->{connections_total} . '",' .
$self->{extra_filter} . '}, "__name__", "connections_total", "", "")' ]);
foreach my $result (@{$results}) {
$self->{global}->{$result->{metric}->{state}} = ${$result->{value}}[1];
}
}
1;
__END__
=head1 MODE
Check connections number.
=over 8
=item B<--warning-*>
Threshold warning.
Can be: 'reading', 'waiting', 'writing', 'active',
'accepted', 'handled'.
=item B<--critical-*>
Threshold critical.
Can be: 'reading', 'waiting', 'writing', 'active',
'accepted', 'handled'.
=item B<--extra-filter>
Add a PromQL filter (Can be multiple)
Example : --extra-filter='name=~".*pretty.*"'
=item B<--metric-overload>
Overload default metrics name (Can be multiple)
Example : --metric-overload='metric,^my_metric_name$'
Default :
- connections: ^nginx_ingress_controller_nginx_process_connections$
- connections_total: ^nginx_ingress_controller_nginx_process_connections_total$
=back
=cut

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#
# Copyright 2019 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::prometheus::direct::nginxingresscontroller::mode::requests;
use base qw(centreon::plugins::templates::counter);
use strict;
use warnings;
use Digest::MD5 qw(md5_hex);
sub set_counters {
my ($self, %options) = @_;
$self->{maps_counters_type} = [
{ name => 'global', type => 0 },
{ name => 'namespaces', type => 1, cb_prefix_output => 'prefix_namespaces_output',
message_multiple => 'All namespaces request metrics are ok', skipped_code => { -10 => 1 } },
];
$self->{maps_counters}->{global} = [
{ label => 'requests', set => {
key_values => [ { name => 'requests', diff => 1 } ],
output_template => 'Requests: %.2f/s',
per_second => 1,
perfdatas => [
{ label => 'requests', value => 'requests_per_second', template => '%.2f',
min => 0, unit => 'requests/s' },
],
}
},
];
$self->{maps_counters}->{namespaces} = [
{ label => 'requests-2xx', set => {
key_values => [ { name => 'requests_2xx', diff => 1 } ],
output_template => 'Requests 2xx: %.2f/s',
per_second => 1,
perfdatas => [
{ label => 'requests_2xx', value => 'requests_2xx_per_second', template => '%.2f', unit => 'requests/s',
min => 0, label_extra_instance => 1 },
],
}
},
{ label => 'requests-3xx', set => {
key_values => [ { name => 'requests_3xx', diff => 1 } ],
output_template => 'Requests 3xx: %.2f/s',
per_second => 1,
perfdatas => [
{ label => 'requests_3xx', value => 'requests_3xx_per_second', template => '%.2f', unit => 'requests/s',
min => 0, label_extra_instance => 1 },
],
}
},
{ label => 'requests-4xx', set => {
key_values => [ { name => 'requests_4xx', diff => 1 } ],
output_template => 'Requests 4xx: %.2f/s',
per_second => 1,
perfdatas => [
{ label => 'requests_4xx', value => 'requests_4xx_per_second', template => '%.2f', unit => 'requests/s',
min => 0, label_extra_instance => 1 },
],
}
},
{ label => 'requests-5xx', set => {
key_values => [ { name => 'requests_5xx', diff => 1 } ],
output_template => 'Requests 5xx: %.2f/s',
per_second => 1,
perfdatas => [
{ label => 'requests_5xx', value => 'requests_5xx_per_second', template => '%.2f', unit => 'requests/s',
min => 0, label_extra_instance => 1 },
],
}
},
];
}
sub prefix_namespaces_output {
my ($self, %options) = @_;
return "Namespace '" . $options{instance_value}->{display} . "' ";
}
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options, statefile => 1);
bless $self, $class;
$self->{version} = '1.0';
$options{options}->add_options(arguments => {
"filter-counters:s" => { name => 'filter_counters' },
"extra-filter:s@" => { name => 'extra_filter' },
"metric-overload:s@" => { name => 'metric_overload' },
});
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::check_options(%options);
$self->{metrics} = {
'requests_total' => '^nginx_ingress_controller_nginx_process_requests_total$',
'requests' => '^nginx_ingress_controller_requests$',
};
foreach my $metric (@{$self->{option_results}->{metric_overload}}) {
next if ($metric !~ /(.*),(.*)/);
$self->{metrics}->{$1} = $2 if (defined($self->{metrics}->{$1}));
}
$self->{extra_filter} = '';
foreach my $filter (@{$self->{option_results}->{extra_filter}}) {
$self->{extra_filter} .= ',' . $filter;
}
}
sub manage_selection {
my ($self, %options) = @_;
$self->{cache_name} = "prometheus_nginxingresscontroller_" . md5_hex($options{custom}->get_connection_info()) . '_' . $self->{mode} . '_' .
(defined($self->{option_results}->{filter_counters}) ? md5_hex($self->{option_results}->{filter_counters}) : md5_hex('all'));
$self->{global} = {};
my $results = $options{custom}->query(queries => [ 'label_replace({__name__=~"' . $self->{metrics}->{requests_total} . '",' .
$self->{extra_filter} . '}, "__name__", "requests_total", "", "")' ]);
foreach my $result (@{$results}) {
$self->{global}->{requests} = ${$result->{value}}[1];
}
$self->{namespaces} = {};
$results = $options{custom}->query(queries => [ 'label_replace({__name__=~"' . $self->{metrics}->{requests} . '",' .
$self->{extra_filter} . '}, "__name__", "requests", "", "")' ]);
foreach my $result (@{$results}) {
$self->{namespaces}->{$result->{metric}->{exported_namespace}}->{display} = $result->{metric}->{exported_namespace};
$self->{namespaces}->{$result->{metric}->{exported_namespace}}->{requests_2xx} += ${$result->{value}}[1] if ($result->{metric}->{status} =~ /^2/);
$self->{namespaces}->{$result->{metric}->{exported_namespace}}->{requests_3xx} += ${$result->{value}}[1] if ($result->{metric}->{status} =~ /^3/);
$self->{namespaces}->{$result->{metric}->{exported_namespace}}->{requests_4xx} += ${$result->{value}}[1] if ($result->{metric}->{status} =~ /^4/);
$self->{namespaces}->{$result->{metric}->{exported_namespace}}->{requests_5xx} += ${$result->{value}}[1] if ($result->{metric}->{status} =~ /^5/);
}
}
1;
__END__
=head1 MODE
Check requests number.
=over 8
=item B<--warning-*>
Threshold warning.
Can be: 'requests', 'requests-2xx', 'requests-3xx',
'requests-4xx', 'requests-5xx'.
=item B<--critical-*>
Threshold critical.
Can be: 'requests', 'requests-2xx', 'requests-3xx',
'requests-4xx', 'requests-5xx'.
=item B<--extra-filter>
Add a PromQL filter (Can be multiple)
Example : --extra-filter='name=~".*pretty.*"'
=item B<--metric-overload>
Overload default metrics name (Can be multiple)
Example : --metric-overload='metric,^my_metric_name$'
Default :
- requests_total: ^nginx_ingress_controller_nginx_process_requests_total$
- requests: ^nginx_ingress_controller_requests$
=back
=cut

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#
# Copyright 2019 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::prometheus::direct::nginxingresscontroller::plugin;
use strict;
use warnings;
use base qw(centreon::plugins::script_custom);
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
bless $self, $class;
$self->{version} = '0.1';
%{$self->{modes}} = (
'connections' => 'cloud::prometheus::direct::nginxingresscontroller::mode::connections',
'requests' => 'cloud::prometheus::direct::nginxingresscontroller::mode::requests',
);
$self->{custom_modes}{api} = 'cloud::prometheus::restapi::custom::api';
return $self;
}
sub init {
my ( $self, %options ) = @_;
$self->SUPER::init(%options);
}
1;
__END__
=head1 PLUGIN DESCRIPTION
Check Nginx Ingress Controller metrics through Prometheus server.
=cut