# # 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 os::linux::local::mode::storage; use base qw(centreon::plugins::templates::counter); use strict; use warnings; use centreon::plugins::misc; my $instance_mode; sub custom_usage_perfdata { my ($self, %options) = @_; my $label = 'used'; my $value_perf = $self->{result_values}->{used}; if (defined($instance_mode->{option_results}->{free})) { $label = 'free'; $value_perf = $self->{result_values}->{free}; } my $extra_label = ''; $extra_label = '_' . $self->{result_values}->{display} if (!defined($options{extra_instance}) || $options{extra_instance} != 0); my %total_options = (); if ($instance_mode->{option_results}->{units} eq '%') { $total_options{total} = $self->{result_values}->{total}; $total_options{cast_int} = 1; } $self->{output}->perfdata_add(label => $label . $extra_label, unit => 'B', value => $value_perf, warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $self->{label}, %total_options), critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $self->{label}, %total_options), min => 0, max => $self->{result_values}->{total}); } sub custom_usage_threshold { my ($self, %options) = @_; my ($exit, $threshold_value); $threshold_value = $self->{result_values}->{used}; $threshold_value = $self->{result_values}->{free} if (defined($instance_mode->{option_results}->{free})); if ($instance_mode->{option_results}->{units} eq '%') { $threshold_value = $self->{result_values}->{prct_used}; $threshold_value = $self->{result_values}->{prct_free} if (defined($instance_mode->{option_results}->{free})); } $exit = $self->{perfdata}->threshold_check(value => $threshold_value, threshold => [ { label => 'critical-' . $self->{label}, exit_litteral => 'critical' }, { label => 'warning-'. $self->{label}, exit_litteral => 'warning' } ]); return $exit; } sub custom_usage_output { my ($self, %options) = @_; my ($total_size_value, $total_size_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{total}); my ($total_used_value, $total_used_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{used}); my ($total_free_value, $total_free_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{free}); my $msg = sprintf("Usage Total: %s Used: %s (%.2f%%) Free: %s (%.2f%%)", $total_size_value . " " . $total_size_unit, $total_used_value . " " . $total_used_unit, $self->{result_values}->{prct_used}, $total_free_value . " " . $total_free_unit, $self->{result_values}->{prct_free}); return $msg; } sub custom_usage_calc { my ($self, %options) = @_; if ($options{new_datas}->{$self->{instance} . '_total'} == 0) { $self->{error_msg} = "total size is 0"; return -2; } $self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'}; $self->{result_values}->{total} = $options{new_datas}->{$self->{instance} . '_total'}; $self->{result_values}->{used} = $options{new_datas}->{$self->{instance} . '_used'}; $self->{result_values}->{free} = $self->{result_values}->{total} - $self->{result_values}->{used}; $self->{result_values}->{prct_used} = $self->{result_values}->{used} * 100 / $self->{result_values}->{total}; $self->{result_values}->{prct_free} = 100 - $self->{result_values}->{prct_used}; return 0; } sub set_counters { my ($self, %options) = @_; $self->{maps_counters_type} = [ { name => 'disks', type => 1, cb_prefix_output => 'prefix_disks_output', message_multiple => 'All storages are ok' } ]; $self->{maps_counters}->{disks} = [ { label => 'usage', set => { key_values => [ { name => 'display' }, { name => 'used' }, { name => 'total' } ], closure_custom_calc => $self->can('custom_usage_calc'), closure_custom_output => $self->can('custom_usage_output'), closure_custom_perfdata => $self->can('custom_usage_perfdata'), closure_custom_threshold_check => $self->can('custom_usage_threshold'), } }, ]; } sub prefix_disks_output { my ($self, %options) = @_; return "Storage '" . $options{instance_value}->{display} . "' "; } sub new { my ($class, %options) = @_; my $self = $class->SUPER::new(package => __PACKAGE__, %options); 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 => 'df' }, "command-path:s" => { name => 'command_path' }, "command-options:s" => { name => 'command_options', default => '-P -k -T 2>&1' }, "filter-type:s" => { name => 'filter_type', }, "filter-fs:s" => { name => 'filter_fs', }, "units:s" => { name => 'units', default => '%' }, "free" => { name => 'free' }, "name:s" => { name => 'name' }, "regexp" => { name => 'use_regexp' }, "regexp-isensitive" => { name => 'use_regexpi' }, "space-reservation:s" => { name => 'space_reservation' }, }); $self->{result} = {}; return $self; } sub check_options { my ($self, %options) = @_; $self->SUPER::check_options(%options); $instance_mode = $self; } sub manage_selection { my ($self, %options) = @_; my ($stdout, $exit_code) = 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}, no_quit => 1 ); $self->{disks} = {}; my @lines = split /\n/, $stdout; foreach my $line (@lines) { next if ($line !~ /^(\S+)\s+(\S+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\S+)\s+(.*)/); my ($fs, $type, $size, $used, $available, $percent, $mount) = ($1, $2, $3, $4, $5, $6, $7); next if (defined($self->{option_results}->{filter_fs}) && $self->{option_results}->{filter_fs} ne '' && $fs !~ /$self->{option_results}->{filter_fs}/); next if (defined($self->{option_results}->{filter_type}) && $self->{option_results}->{filter_type} ne '' && $type !~ /$self->{option_results}->{filter_type}/); next if (defined($self->{option_results}->{name}) && defined($self->{option_results}->{use_regexp}) && defined($self->{option_results}->{use_regexpi}) && $mount !~ /$self->{option_results}->{name}/i); next if (defined($self->{option_results}->{name}) && defined($self->{option_results}->{use_regexp}) && !defined($self->{option_results}->{use_regexpi}) && $mount !~ /$self->{option_results}->{name}/); next if (defined($self->{option_results}->{name}) && !defined($self->{option_results}->{use_regexp}) && !defined($self->{option_results}->{use_regexpi}) && $mount ne $self->{option_results}->{name}); $size *= 1024; if (defined($self->{option_results}->{space_reservation})) { $size = int($size - ($self->{option_results}->{space_reservation} * $size / 100)); } $self->{disks}->{$mount} = { display => $mount, fs => $fs, type => $type, total => $size, used => $used * 1024 }; } if (scalar(keys %{$self->{disks}}) <= 0) { if ($exit_code != 0) { $self->{output}->output_add(long_msg => "command output:" . $stdout); } $self->{output}->add_option_msg(short_msg => "No storage found (filters or command issue)"); $self->{output}->option_exit(); } } 1; __END__ =head1 MODE Check storage usages. =over 8 =item B<--remote> Execute command remotely in '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<--ssh-path> Specify ssh command path (default: none) =item B<--ssh-command> Specify ssh command (default: 'ssh'). Useful to use 'plink'. =item B<--timeout> Timeout in seconds for the command (Default: 30). =item B<--sudo> Use 'sudo' to execute the command. =item B<--command> Command to get information (Default: 'df'). Can be changed if you have output in a file. =item B<--command-path> Command path (Default: none). =item B<--command-options> Command options (Default: '-P -k -T 2>&1'). =item B<--warning-usage> Threshold warning. =item B<--critical-usage> Threshold critical. =item B<--units> Units of thresholds (Default: '%') ('%', 'B'). =item B<--free> Thresholds are on free space left. =item B<--name> Set the storage mount point (empty means 'check all storages') =item B<--regexp> Allows to use regexp to filter storage mount point (with option --name). =item B<--regexp-isensitive> Allows to use regexp non case-sensitive (with --regexp). =item B<--filter-type> Filter filesystem type (regexp can be used). =item B<--filter-fs> Filter filesystem (regexp can be used). =item B<--space-reservation> Some filesystem has space reserved (like ext4 for root). The value is in percent of total (Default: none). =back =cut