# # Copyright 2017 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 apps::varnish::local::mode::sessions; use base qw(centreon::plugins::templates::counter); use strict; use warnings; use Digest::MD5 qw(md5_hex); use JSON; sub set_counters { my ($self, %options) = @_; $self->{maps_counters_type} = [ { name => 'sessions', type => 0, skipped_code => { -10 => 1 } }, ]; $self->{maps_counters}->{sessions} = [ { label => 'accepted', set => { key_values => [ { name => 'sess_conn', diff => 1 } ], output_template => 'Session accepted: %.2f/s', output_error_template => "Session accepted: %s", per_second => 1, perfdatas => [ { label => 'sess_conn', value => 'sess_conn_per_second', template => '%.2f', min => 0 }, ], } }, { label => 'dropped', set => { key_values => [ { name => 'sess_drop', diff => 1 } ], output_template => 'Session dropped: %.2f/s', output_error_template => "Session dropped: %s", per_second => 1, perfdatas => [ { label => 'sess_drop', value => 'sess_drop_per_second', template => '%.2f', min => 0 }, ], } }, { label => 'failed', set => { key_values => [ { name => 'sess_fail', diff => 1 } ], output_template => 'Session fail: %.2f/s', output_error_template => "Session fail: %s", per_second => 1, perfdatas => [ { label => 'sess_fail', value => 'sess_fail_per_second', template => '%.2f', min => 0 }, ], } }, { label => 'pipeoverflow', set => { key_values => [ { name => 'sess_pipe_overflow', diff => 1 } ], output_template => 'Sessions pipe overflow: %.2f/s', output_error_template => "Sessions pipe overflow: %s", per_second => 1, perfdatas => [ { label => 'sess_pipe_overflow', value => 'sess_pipe_overflow_per_second', template => '%.2f', min => 0 }, ], } }, { label => 'queued', set => { key_values => [ { name => 'sess_queued' , diff => 1 } ], output_template => 'Session queued: %.2f/s', output_error_template => "Session queued: %s", per_second => 1, perfdatas => [ { label => 'sess_queued', value => 'sess_queued_per_second', template => '%.2f', min => 0 }, ], } }, { label => 'dropped', set => { key_values => [ { name => 'sess_dropped' , diff => 1 } ], output_template => 'Session dropped: %.2f/s', output_error_template => "Session dropped: %s", per_second => 1, perfdatas => [ { label => 'sess_dropped', value => 'sess_dropped_per_second', template => '%.2f', min => 0 }, ], } }, { label => 'readahead', set => { key_values => [ { name => 'sess_readahead' , diff => 1 } ], output_template => 'Session readahead: %.2f/s', output_error_template => "Session readahead: %s", per_second => 1, perfdatas => [ { label => 'sess_readahead', value => 'sess_readahead_per_second', template => '%.2f', min => 0 }, ], } }, { label => 'closed', set => { key_values => [ { name => 'sess_closed' , diff => 1 } ], output_template => 'Session closed: %.2f/s', output_error_template => "Session closed: %s", per_second => 1, perfdatas => [ { label => 'sess_closed', value => 'sess_closed_per_second', template => '%.2f', min => 0 }, ], } }, { label => 'herd', set => { key_values => [ { name => 'sess_herd' , diff => 1 } ], output_template => 'Session herd: %.2f/s', output_error_template => "Session herd: %s", per_second => 1, perfdatas => [ { label => 'sess_herd', value => 'sess_herd_per_second', template => '%.2f', min => 0 }, ], } }, { label => 'linger', set => { key_values => [ { name => 'sess_linger' , diff => 1 } ], output_template => 'Session linger: %.2f/s', output_error_template => "Session linger: %s", per_second => 1, perfdatas => [ { label => 'sess_linger', value => 'sess_linger_per_second', template => '%.2f', min => 0 }, ], } }, { label => 'pipeline', set => { key_values => [ { name => 'sess_pipeline' , diff => 1 } ], output_template => 'Session pipeline: %.2f/s', output_error_template => "Session pipeline: %s", per_second => 1, perfdatas => [ { label => 'sess_pipeline', value => 'sess_pipeline_per_second', template => '%.2f', min => 0 }, ], } }, ], } 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 => { "hostname:s" => { name => 'hostname' }, "remote" => { name => 'remote' }, "ssh-option:s@" => { name => 'ssh_option' }, "ssh-path:s" => { name => 'ssh_path' }, "ssh-command:s" => { name => 'ssh_command', default => 'ssh' }, "timeout:s" => { name => 'timeout', default => 30 }, "sudo" => { name => 'sudo' }, "command:s" => { name => 'command', default => 'varnishstat' }, "command-path:s" => { name => 'command_path', default => '/usr/bin' }, "command-options:s" => { name => 'command_options', default => ' -1 -j 2>&1' }, }); return $self; }; sub manage_selection { my ($self, %options) = @_; my $stdout = centreon::plugins::misc::execute(output => $self->{output}, options => $self->{option_results}, sudo => $self->{option_results}->{sudo}, command => $self->{option_results}->{command}, command_path => $self->{option_results}->{command_path}, command_options => $self->{option_results}->{command_options}); # "MAIN.sess_conn": {"type": "MAIN", "value": 13598, "flag": "c", "description": "Sessions accepted"}, # "MAIN.sess_drop": {"type": "MAIN", "value": 0, "flag": "c", "description": "Sessions dropped"}, # "MAIN.sess_fail": {"type": "MAIN", "value": 0, "flag": "c", "description": "Session accept failures"}, # "MAIN.sess_pipe_overflow": {"type": "MAIN", "value": 0, "flag": "c", "description": "Session pipe overflow"}, # "MAIN.sess_queued": {"type": "MAIN", "value": 0, "flag": "c", "description": "Sessions queued for thread"}, # "MAIN.sess_dropped": {"type": "MAIN", "value": 0, "flag": "c", "description": "Sessions dropped for thread"}, # "MAIN.sess_closed": {"type": "MAIN", "value": 13211, "flag": "a", "description": "Session Closed"}, # "MAIN.sess_pipeline": {"type": "MAIN", "value": 0, "flag": "a", "description": "Session Pipeline"}, # "MAIN.sess_readahead": {"type": "MAIN", "value": 0, "flag": "a", "description": "Session Read Ahead"}, # "MAIN.sess_herd": {"type": "MAIN", "value": 26, "flag": "a", "description": "Session herd"}, my $json_data = decode_json($stdout); $self->{cache_name} = "cache_varnish_" . $self->{mode} . '_' . (defined($self->{option_results}->{hostname}) ? md5_hex($self->{option_results}->{hostname}) : md5_hex('all')) . '_' . (defined($self->{option_results}->{filter_counters}) ? md5_hex($self->{option_results}->{filter_counters}) : md5_hex('all')); foreach my $counter (keys %{$json_data}) { next if ($counter !~ /^([A-Z])+\.sess_.*/); my $value = $json_data->{$counter}->{value}; $counter =~ s/^([A-Z])+\.//; $self->{sessions}->{$counter} = $value; } }; 1; __END__ =head1 MODE Check Varnish Cache with varnishstat Command =over 8 =item B<--remote> If you dont run this script locally, if you wanna use it remote, you can run it remotely with 'ssh'. =item B<--hostname> Hostname to query (need --remote). =item B<--ssh-option> Specify multiple options like the user (example: --ssh-option='-l=centreon-engine' --ssh-option='-p=52'). =item B<--command> Varnishstat Binary Filename (Default: varnishstat) =item B<--command-path> Directory Path to Varnishstat Binary File (Default: /usr/bin) =item B<--command-options> Parameter for Binary File (Default: ' -1 -j 2>&1') =item B<--warning-*> Warning Threshold per second. Can be (accepted,closed,queued,failed,pipeline,readahead,linger,herd,dropped,pipeoverflow) =item B<--critical-*> Critical Threshold per second for: Can be (accepted,closed,queued,failed,pipeline,readahead,linger,herd,dropped,pipeoverflow) =back =cut