461 lines
18 KiB
Perl
461 lines
18 KiB
Perl
#
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# Copyright 2015 Centreon (http://www.centreon.com/)
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#
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# Centreon is a full-fledged industry-strength solution that meets
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# the needs in IT infrastructure and application monitoring for
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# service performance.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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package database::oracle::mode::asmdiskgroupusage;
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use base qw(centreon::plugins::mode);
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use strict;
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use warnings;
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use centreon::plugins::values;
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my $thresholds = {
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diskgroup => [
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['dismounted', 'OK'],
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['mounted', 'OK'],
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['connected', 'OK'],
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],
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};
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my $instance_mode;
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my $maps_counters = {
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dg => {
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'000_status' => { threshold => 0, set => {
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key_values => [ { name => 'state' } ],
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closure_custom_calc => \&custom_status_calc,
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closure_custom_output => \&custom_status_output,
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closure_custom_perfdata => sub { return 0; },
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closure_custom_threshold_check => \&custom_status_threshold,
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},
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},
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'001_offline-disks' => { threshold => 0, set => {
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key_values => [ { name => 'offline_disks' }, { name => 'type' }, { name => 'display' } ],
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closure_custom_calc => \&custom_offline_calc,
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closure_custom_output => \&custom_offline_output,
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closure_custom_perfdata => sub { return 0; },
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closure_custom_threshold_check => \&custom_offline_threshold,
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},
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},
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'002_usage' => { set => {
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key_values => [ { name => 'used' }, { name => 'total' }, { name => 'display' } ],
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closure_custom_calc => \&custom_usage_calc,
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closure_custom_output => \&custom_usage_output,
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closure_custom_perfdata => \&custom_usage_perfdata,
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closure_custom_threshold_check => \&custom_usage_threshold,
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},
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},
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},
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};
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sub custom_offline_threshold {
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my ($self, %options) = @_;
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my $status = 'ok';
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my $message;
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eval {
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local $SIG{__WARN__} = sub { $message = $_[0]; };
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local $SIG{__DIE__} = sub { $message = $_[0]; };
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if (defined($instance_mode->{option_results}->{critical_offline_disks}) && $instance_mode->{option_results}->{critical_offline_disks} ne '' &&
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eval "$instance_mode->{option_results}->{critical_offline_disks}") {
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$status = 'critical';
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} elsif (defined($instance_mode->{option_results}->{warning_offline_disks}) && $instance_mode->{option_results}->{warning_offline_disks} ne '' &&
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eval "$instance_mode->{option_results}->{warning_offline_disks}") {
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$status = 'warning';
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}
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};
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if (defined($message)) {
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$self->{output}->output_add(long_msg => 'filter offline status issue: ' . $message);
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}
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return $status;
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}
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sub custom_offline_output {
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my ($self, %options) = @_;
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my $msg = 'Offline disks : ' . $self->{result_values}->{offline_disks};
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return $msg;
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}
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sub custom_offline_calc {
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my ($self, %options) = @_;
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$self->{result_values}->{offline_disks} = $options{new_datas}->{$self->{instance} . '_offline_disks'};
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$self->{result_values}->{type} = $options{new_datas}->{$self->{instance} . '_type'};
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$self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
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return 0;
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}
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sub custom_status_threshold {
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my ($self, %options) = @_;
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my $message;
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eval {
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local $SIG{__WARN__} = sub { $message = $_[0]; };
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local $SIG{__DIE__} = sub { $message = $_[0]; };
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$instance_mode->{last_status} = 0;
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if (eval "$instance_mode->{check_status}") {
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$instance_mode->{last_status} = 1;
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}
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};
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return $instance_mode->get_severity(section => 'diskgroup', value => $self->{result_values}->{state});
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}
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sub custom_status_output {
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my ($self, %options) = @_;
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my $msg = 'Status : ' . $self->{result_values}->{state};
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return $msg;
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}
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sub custom_status_calc {
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my ($self, %options) = @_;
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$self->{result_values}->{state} = $options{new_datas}->{$self->{instance} . '_state'};
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return 0;
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}
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sub custom_usage_perfdata {
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my ($self, %options) = @_;
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my $label = 'used';
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my $value_perf = $self->{result_values}->{used};
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if ($self->{result_values}->{total} > 0 && defined($instance_mode->{option_results}->{free})) {
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$label = 'free';
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$value_perf = $self->{result_values}->{free};
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}
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my $extra_label = '';
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$extra_label = '_' . $self->{result_values}->{display} if (!defined($options{extra_instance}) || $options{extra_instance} != 0);
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my %total_options = ();
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if ($self->{result_values}->{total} > 0 && $instance_mode->{option_results}->{units} eq '%') {
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$total_options{total} = $self->{result_values}->{total};
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$total_options{cast_int} = 1;
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}
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$self->{output}->perfdata_add(label => $label . $extra_label, unit => 'B',
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value => $value_perf,
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $self->{label}, %total_options),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $self->{label}, %total_options),
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min => 0, max => $self->{result_values}->{total});
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}
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sub custom_usage_threshold {
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my ($self, %options) = @_;
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# cannot use '%' or free option with unlimited system
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return 'ok' if ($self->{result_values}->{total} <= 0 && ($instance_mode->{option_results}->{units} eq '%' || $instance_mode->{option_results}->{free}));
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my ($exit, $threshold_value);
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$threshold_value = $self->{result_values}->{used};
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$threshold_value = $self->{result_values}->{free} if (defined($instance_mode->{option_results}->{free}));
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if ($instance_mode->{option_results}->{units} eq '%') {
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$threshold_value = $self->{result_values}->{prct_used};
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$threshold_value = $self->{result_values}->{prct_free} if (defined($instance_mode->{option_results}->{free}));
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}
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$exit = $self->{perfdata}->threshold_check(value => $threshold_value, threshold => [ { label => 'critical-' . $self->{label}, exit_litteral => 'critical' }, { label => 'warning-'. $self->{label}, exit_litteral => 'warning' } ]);
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return $exit;
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}
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sub custom_usage_output {
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my ($self, %options) = @_;
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my ($total_used_value, $total_used_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{used});
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my $msg;
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if ($self->{result_values}->{total} <= 0) {
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$msg = sprintf("Used: %s (unlimited)", $total_used_value . " " . $total_used_unit);
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} else {
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my ($total_size_value, $total_size_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{total});
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my ($total_free_value, $total_free_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{free});
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$msg = sprintf("Total: %s Used: %s (%.2f%%) Free: %s (%.2f%%)",
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$total_size_value . " " . $total_size_unit,
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$total_used_value . " " . $total_used_unit, $self->{result_values}->{prct_used},
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$total_free_value . " " . $total_free_unit, $self->{result_values}->{prct_free});
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}
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return $msg;
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}
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sub custom_usage_calc {
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my ($self, %options) = @_;
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return -10 if (defined($instance_mode->{last_status}) && $instance_mode->{last_status} == 0);
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$self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
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$self->{result_values}->{total} = $options{new_datas}->{$self->{instance} . '_total'};
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$self->{result_values}->{used} = $options{new_datas}->{$self->{instance} . '_used'};
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return 0 if ($self->{result_values}->{total} == 0);
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$self->{result_values}->{prct_used} = $self->{result_values}->{used} * 100 / $self->{result_values}->{total};
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$self->{result_values}->{prct_free} = 100 - $self->{result_values}->{prct_used};
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$self->{result_values}->{free} = $self->{result_values}->{total} - $self->{result_values}->{used};
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return 0;
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}
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sub new {
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my ($class, %options) = @_;
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my $self = $class->SUPER::new(package => __PACKAGE__, %options);
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bless $self, $class;
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$self->{version} = '1.0';
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$options{options}->add_options(arguments =>
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{
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"warning-offline-disks:s" => { name => 'warning_offline_disks', default => '(%{offline_disks} > 0 && %{type} eq "extern") || (%{offline_disks} > 1 && %{type} eq "high")' },
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"critical-offline-disks:s" => { name => 'critical_offline_disks', default => '%{offline_disks} > 0 && %{type} =~ /^normal|high$/' },
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"filter-name:s" => { name => 'filter_name', },
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"units:s" => { name => 'units', default => '%' },
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"free" => { name => 'free' },
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"threshold-overload:s@" => { name => 'threshold_overload' },
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"no-component:s" => { name => 'no_component' },
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});
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foreach my $key (('dg')) {
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foreach (keys %{$maps_counters->{$key}}) {
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my ($id, $name) = split /_/;
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if (!defined($maps_counters->{$key}->{$_}->{threshold}) || $maps_counters->{$key}->{$_}->{threshold} != 0) {
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$options{options}->add_options(arguments => {
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'warning-' . $name . ':s' => { name => 'warning-' . $name },
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'critical-' . $name . ':s' => { name => 'critical-' . $name },
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});
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}
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$maps_counters->{$key}->{$_}->{obj} = centreon::plugins::values->new(output => $self->{output}, perfdata => $self->{perfdata},
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label => $name);
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$maps_counters->{$key}->{$_}->{obj}->set(%{$maps_counters->{$key}->{$_}->{set}});
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}
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}
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return $self;
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}
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sub change_macros {
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my ($self, %options) = @_;
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foreach (('warning_offline_disks', 'critical_offline_disks')) {
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if (defined($self->{option_results}->{$_})) {
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$self->{option_results}->{$_} =~ s/%\{(.*?)\}/\$self->{result_values}->{$1}/g;
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}
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}
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$self->{check_status} = '%{state} =~ /^(mounted|dismounted|connected)$/i';
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$self->{check_status} =~ s/%\{(.*?)\}/\$self->{result_values}->{$1}/g;
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}
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sub check_options {
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my ($self, %options) = @_;
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$self->SUPER::init(%options);
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foreach my $key (('dg')) {
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foreach (keys %{$maps_counters->{$key}}) {
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$maps_counters->{$key}->{$_}->{obj}->init(option_results => $self->{option_results});
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}
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}
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$instance_mode = $self;
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$self->change_macros();
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if (defined($self->{option_results}->{no_component})) {
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if ($self->{option_results}->{no_component} ne '') {
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$self->{no_components} = $self->{option_results}->{no_component};
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} else {
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$self->{no_components} = 'critical';
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}
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}
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$self->{overload_th} = {};
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foreach my $val (@{$self->{option_results}->{threshold_overload}}) {
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if ($val !~ /^(.*?),(.*?),(.*)$/) {
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$self->{output}->add_option_msg(short_msg => "Wrong threshold-overload option '" . $val . "'.");
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$self->{output}->option_exit();
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}
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my ($section, $status, $filter) = ($1, $2, $3);
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if ($self->{output}->is_litteral_status(status => $status) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong threshold-overload status '" . $val . "'.");
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$self->{output}->option_exit();
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}
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$self->{overload_th}->{$section} = [] if (!defined($self->{overload_th}->{$section}));
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push @{$self->{overload_th}->{$section}}, {filter => $filter, status => $status};
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}
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}
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sub run {
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my ($self, %options) = @_;
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$self->{sql} = $options{sql};
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$self->manage_selection();
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my $multiple = 1;
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if (scalar(keys %{$self->{dg}}) == 1) {
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$multiple = 0;
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}
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if ($multiple == 1) {
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$self->{output}->output_add(severity => 'OK',
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short_msg => 'All diskgroups are ok');
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}
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foreach my $id (sort keys %{$self->{dg}}) {
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my ($short_msg, $short_msg_append, $long_msg, $long_msg_append) = ('', '', '', '');
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my @exits = ();
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foreach (sort keys %{$maps_counters->{dg}}) {
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my $obj = $maps_counters->{dg}->{$_}->{obj};
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$obj->set(instance => $id);
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my ($value_check) = $obj->execute(values => $self->{dg}->{$id});
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next if ($value_check == -10); # status issue
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if ($value_check != 0) {
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$long_msg .= $long_msg_append . $obj->output_error();
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$long_msg_append = ', ';
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next;
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}
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my $exit2 = $obj->threshold_check();
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push @exits, $exit2;
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my $output = $obj->output();
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$long_msg .= $long_msg_append . $output;
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$long_msg_append = ', ';
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if (!$self->{output}->is_status(litteral => 1, value => $exit2, compare => 'ok')) {
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$short_msg .= $short_msg_append . $output;
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$short_msg_append = ', ';
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}
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$obj->perfdata(extra_instance => $multiple);
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}
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$self->{output}->output_add(long_msg => "Diskgroup '$self->{dg}->{$id}->{display}' $long_msg");
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my $exit = $self->{output}->get_most_critical(status => [ @exits ]);
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if (!$self->{output}->is_status(litteral => 1, value => $exit, compare => 'ok')) {
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$self->{output}->output_add(severity => $exit,
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short_msg => "Diskgroup '$self->{dg}->{$id}->{display}' $short_msg"
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);
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}
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if ($multiple == 0) {
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$self->{output}->output_add(short_msg => "Diskgroup '$self->{dg}->{$id}->{display}' $long_msg");
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}
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}
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$self->{output}->display();
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$self->{output}->exit();
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}
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sub get_severity {
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my ($self, %options) = @_;
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my $status = 'UNKNOWN'; # default
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if (defined($self->{overload_th}->{$options{section}})) {
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foreach (@{$self->{overload_th}->{$options{section}}}) {
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if ($options{value} =~ /$_->{filter}/i) {
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$status = $_->{status};
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return $status;
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}
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}
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}
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foreach (@{$thresholds->{$options{section}}}) {
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if ($options{value} =~ /$$_[0]/i) {
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$status = $$_[1];
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return $status;
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}
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}
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return $status;
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}
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sub manage_selection {
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my ($self, %options) = @_;
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$self->{sql}->connect();
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my $query = q{SELECT name, state, type, total_mb, usable_file_mb, offline_disks FROM V$ASM_DISKGROUP};
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$self->{sql}->query(query => $query);
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my $result = $self->{sql}->fetchall_arrayref();
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$self->{dg} = {};
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foreach my $row (@$result) {
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my ($name, $state, $type, $total_mb, $usable_file_mb, $offline_disks) = @$row;
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if (defined($self->{option_results}->{filter_name}) && $self->{option_results}->{filter_name} ne '' &&
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$name !~ /$self->{option_results}->{filter_name}/) {
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$self->{output}->output_add(long_msg => "Skipping '" . $name . "': no matching filter name.", debug => 1);
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next;
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}
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$self->{dg}->{$name} = { display => $name, total => $total_mb * 1024 * 1024,
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used => ($total_mb * 1024 * 1024) - ($usable_file_mb * 1024 * 1024),
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state => $state, type => lc($type), offline_disks => $offline_disks };
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}
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if (scalar(keys %{$self->{dg}}) <= 0) {
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$self->{output}->output_add(severity => defined($self->{no_components}) ? $self->{no_components} : 'unknown',
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short_msg => 'No components are checked.');
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}
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}
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1;
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__END__
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=head1 MODE
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Check Oracle ASM diskgroup usage and status.
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=over 8
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=item B<--warning-usage>
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Threshold warning.
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=item B<--critical-usage>
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Threshold critical.
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=item B<--warning-offline-disks>
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Set warning threshold for offline disks (Default: '(%{offline_disks} > 0 && %{type} eq "extern") || (%{offline_disks} > 1 && %{type} eq "high")').
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Can used special variables like: %{offline_disks}, %{type}, %{display}
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=item B<--critical-offline-disks>
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Set critical threshold for offline disks (Default: '%{offline_disks} > 0 && %{type} =~ /^normal|high$/').
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Can used special variables like: %{offline_disks}, %{type}, %{display}
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=item B<--units>
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Units of thresholds (Default: '%') ('%', 'B').
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=item B<--free>
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Thresholds are on free space left.
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=item B<--filter-name>
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Filter by name (regexp can be used).
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=item B<--threshold-overload>
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Set to overload default threshold values (syntax: section,status,regexp)
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It used before default thresholds (order stays).
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Example: --threshold-overload='diskgroup,CRITICAL,^(?!(mounted|connected|dismounted)$)'
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=back
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=cut
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