refactor snmp_standard memory
This commit is contained in:
Colin Gagnaire
parent
723c2e2351
commit
06441b0390
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@ -20,151 +20,257 @@
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package snmp_standard::mode::memory;
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use base qw(centreon::plugins::mode);
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use base qw(centreon::plugins::templates::counter);
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use strict;
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use warnings;
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my $instance_mode;
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sub custom_usage_perfdata {
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my ($self, %options) = @_;
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my %total_options = ();
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if ($instance_mode->{option_results}->{units} eq '%') {
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$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 => 'used',
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unit => 'B',
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value => $self->{result_values}->{used},
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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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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,
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threshold => [ { label => 'critical-' . $self->{label}, exit_litteral => 'critical' },
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{ 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 $msg = sprintf("Ram Total: %s %s Used (-buffers/cache): %s %s (%.2f%%)",
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$self->{perfdata}->change_bytes(value => $self->{result_values}->{total}),
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$self->{perfdata}->change_bytes(value => $self->{result_values}->{used}),
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$self->{result_values}->{prct_used});
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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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$self->{result_values}->{total} = $options{new_datas}->{$self->{instance} . '_memTotalReal'};
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$self->{result_values}->{available} = $options{new_datas}->{$self->{instance} . '_memAvailReal'};
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$self->{result_values}->{buffer} = $options{new_datas}->{$self->{instance} . '_memBuffer'};
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$self->{result_values}->{cached} = $options{new_datas}->{$self->{instance} . '_memCached'};
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if ($self->{result_values}->{total} != 0) {
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$self->{result_values}->{physical_used} = $self->{result_values}->{total} - $self->{result_values}->{available};
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$self->{result_values}->{used} = $self->{result_values}->{physical_used} - $self->{result_values}->{buffer} - $self->{result_values}->{cached};
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$self->{result_values}->{prct_used} = $self->{result_values}->{used} * 100 / $self->{result_values}->{total};
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} else {
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$self->{result_values}->{used} = '0';
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$self->{result_values}->{prct_used} = '0';
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}
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return 0;
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}
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sub custom_swap_perfdata {
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my ($self, %options) = @_;
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my %total_options = ();
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if ($instance_mode->{option_results}->{units} eq '%') {
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$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 => 'swap',
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unit => 'B',
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value => $self->{result_values}->{used},
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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 => $self->{result_values}->{total});
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}
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sub custom_swap_threshold {
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my ($self, %options) = @_;
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my ($exit, $threshold_value);
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$threshold_value = $self->{result_values}->{used};
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$threshold_value = $self->{result_values}->{available} if (defined($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 = $self->{result_values}->{prct_available} if (defined($instance_mode->{option_results}->{free}));
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}
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$exit = $self->{perfdata}->threshold_check(value => $threshold_value,
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threshold => [ { label => 'critical-' . $self->{label}, exit_litteral => 'critical' },
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{ label => 'warning-' . $self->{label}, exit_litteral => 'warning' } ]);
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return $exit;
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}
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sub custom_swap_output {
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my ($self, %options) = @_;
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my $msg = sprintf("Swap Total: %s %s Used: %s %s (%.2f%%) Free: %s %s (%.2f%%)",
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$self->{perfdata}->change_bytes(value => $self->{result_values}->{total}),
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$self->{perfdata}->change_bytes(value => $self->{result_values}->{used}),
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$self->{result_values}->{prct_used},
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$self->{perfdata}->change_bytes(value => $self->{result_values}->{available}),
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$self->{result_values}->{prct_available});
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return $msg;
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}
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sub custom_swap_calc {
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my ($self, %options) = @_;
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$self->{result_values}->{total} = $options{new_datas}->{$self->{instance} . '_memTotalSwap'};
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$self->{result_values}->{available} = $options{new_datas}->{$self->{instance} . '_memAvailSwap'};
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if ($self->{result_values}->{total} != 0) {
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$self->{result_values}->{used} = $self->{result_values}->{total} - $self->{result_values}->{available};
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$self->{result_values}->{prct_used} = $self->{result_values}->{used} * 100 / $self->{result_values}->{total};
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$self->{result_values}->{prct_available} = 100 - $self->{result_values}->{prct_used};
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} else {
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$self->{result_values}->{used} = '0';
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$self->{result_values}->{prct_used} = '0';
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$self->{result_values}->{prct_available} = '0';
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}
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return 0;
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}
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sub set_counters {
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my ($self, %options) = @_;
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$self->{maps_counters_type} = [
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{ name => 'ram', type => 0 },
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{ name => 'swap', type => 0, message_separator => ' - ', skipped_code => { -10 => 1 } },
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];
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$self->{maps_counters}->{ram} = [
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{ label => 'usage', set => {
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key_values => [ { name => 'memTotalReal' }, { name => 'memAvailReal' },
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{ name => 'memBuffer' }, { name => 'memCached' } ],
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closure_custom_calc => $self->can('custom_usage_calc'),
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closure_custom_output => $self->can('custom_usage_output'),
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closure_custom_threshold_check => $self->can('custom_usage_threshold'),
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closure_custom_perfdata => $self->can('custom_usage_perfdata')
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}
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},
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{ label => 'buffer', set => {
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key_values => [ { name => 'memBuffer' } ],
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output_template => 'Buffer: %s %s',
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output_change_bytes => 1,
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perfdatas => [
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{ label => 'buffer', value => 'memBuffer_absolute', template => '%d',
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min => 0, unit => 'B' },
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],
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}
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},
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{ label => 'cached', set => {
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key_values => [ { name => 'memCached' } ],
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output_template => 'Cached: %s %s',
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output_change_bytes => 1,
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perfdatas => [
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{ label => 'cached', value => 'memCached_absolute', template => '%d',
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min => 0, unit => 'B' },
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],
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}
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},
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{ label => 'shared', set => {
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key_values => [ { name => 'memShared' } ],
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output_template => 'Shared: %s %s',
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output_change_bytes => 1,
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perfdatas => [
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{ label => 'shared', value => 'memShared_absolute', template => '%d',
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min => 0, unit => 'B' },
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],
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}
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},
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];
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$self->{maps_counters}->{swap} = [
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{ label => 'swap', set => {
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key_values => [ { name => 'memTotalSwap' }, { name => 'memAvailSwap' } ],
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closure_custom_calc => $self->can('custom_swap_calc'),
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closure_custom_output => $self->can('custom_swap_output'),
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closure_custom_threshold_check => $self->can('custom_swap_threshold'),
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closure_custom_perfdata => $self->can('custom_swap_perfdata')
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}
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},
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];
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}
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sub new {
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my ($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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$options{options}->add_options(arguments =>
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{
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"warning:s" => { name => 'warning' },
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"critical:s" => { name => 'critical' },
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"swap" => { name => 'check_swap' },
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"warning-swap:s" => { name => 'warning_swap' },
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"critical-swap:s" => { name => 'critical_swap' },
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"no-swap:s" => { name => 'no_swap' },
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});
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$self->{no_swap} = 'critical';
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$options{options}->add_options(arguments => {
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"units:s" => { name => 'units', default => '%' },
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"free" => { name => 'free' },
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"swap" => { name => 'check_swap' },
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"no-swap:s" => { name => 'no_swap' }, # legacy
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});
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return $self;
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}
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sub check_options {
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my ($self, %options) = @_;
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$self->SUPER::init(%options);
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$self->SUPER::check_options(%options);
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if (($self->{perfdata}->threshold_validate(label => 'warning', value => $self->{option_results}->{warning})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong warning threshold '" . $self->{option_results}->{warning} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'critical', value => $self->{option_results}->{critical})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong critical threshold '" . $self->{option_results}->{critical} . "'.");
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$self->{output}->option_exit();
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}
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if (defined($self->{option_results}->{check_swap})) {
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if (($self->{perfdata}->threshold_validate(label => 'warning-swap', value => $self->{option_results}->{warning_swap})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong warning-swap threshold '" . $self->{option_results}->{warning_swap} . "'.");
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$self->{output}->option_exit();
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}
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if (($self->{perfdata}->threshold_validate(label => 'critical-swap', value => $self->{option_results}->{critical_swap})) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong critical-swap threshold '" . $self->{option_results}->{critical_swap} . "'.");
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$self->{output}->option_exit();
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}
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if (defined($self->{option_results}->{no_swap}) && $self->{option_results}->{no_swap} ne '') {
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if ($self->{output}->is_litteral_status(status => $self->{option_results}->{no_swap}) == 0) {
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$self->{output}->add_option_msg(short_msg => "Wrong --no-swap status '" . $self->{option_results}->{no_swap} . "'.");
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$self->{output}->option_exit();
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}
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$self->{no_swap} = $self->{option_results}->{no_swap};
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}
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}
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$instance_mode = $self;
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}
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sub run {
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my $mapping = {
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memTotalSwap => { oid => '.1.3.6.1.4.1.2021.4.3' },
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memAvailSwap => { oid => '.1.3.6.1.4.1.2021.4.4' },
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memTotalReal => { oid => '.1.3.6.1.4.1.2021.4.5' },
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memAvailReal => { oid => '.1.3.6.1.4.1.2021.4.6' },
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memShared => { oid => '.1.3.6.1.4.1.2021.4.13' },
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memBuffer => { oid => '.1.3.6.1.4.1.2021.4.14' },
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memCached => { oid => '.1.3.6.1.4.1.2021.4.15' },
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};
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my $oid_memory = '.1.3.6.1.4.1.2021.4';
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sub manage_selection {
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my ($self, %options) = @_;
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$self->{snmp} = $options{snmp};
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my $oid_memTotalReal = '.1.3.6.1.4.1.2021.4.5.0';
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my $oid_memAvailReal = '.1.3.6.1.4.1.2021.4.6.0';
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my $oid_memShared = '.1.3.6.1.4.1.2021.4.13.0';
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my $oid_memBuffer = '.1.3.6.1.4.1.2021.4.14.0';
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my $oid_memCached = '.1.3.6.1.4.1.2021.4.15.0';
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my $oid_memTotalSwap = '.1.3.6.1.4.1.2021.4.3.0'; # KB
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my $oid_memAvailSwap = '.1.3.6.1.4.1.2021.4.4.0'; # KB
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my $oids = [$oid_memTotalReal, $oid_memAvailReal,
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$oid_memShared, $oid_memBuffer, $oid_memCached];
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if (defined($self->{option_results}->{check_swap})) {
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push @$oids, ($oid_memTotalSwap, $oid_memAvailSwap);
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}
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my $result = $self->{snmp}->get_leef(oids => $oids,
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nothing_quit => 1);
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my $results = $options{snmp}->get_table(oid => $oid_memory);
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my $shared_used = defined($result->{$oid_memShared}) ? $result->{$oid_memShared} * 1024 : 0;
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my $cached_used = $result->{$oid_memCached} * 1024;
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my $buffer_used = $result->{$oid_memBuffer} * 1024;
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my $physical_used = ($result->{$oid_memTotalReal} * 1024) - ($result->{$oid_memAvailReal} * 1024);
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my $nobuf_used = $physical_used - $buffer_used - $cached_used;
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my $result = $options{snmp}->map_instance(mapping => $mapping, results => $results, instance => 0);
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my $total_size = $result->{$oid_memTotalReal} * 1024;
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my $prct_used = $nobuf_used * 100 / $total_size;
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my $exit = $self->{perfdata}->threshold_check(value => $prct_used, threshold => [ { label => 'critical', exit_litteral => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
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my ($total_value, $total_unit) = $self->{perfdata}->change_bytes(value => $total_size);
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my ($nobuf_value, $nobuf_unit) = $self->{perfdata}->change_bytes(value => $nobuf_used);
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my ($buffer_value, $buffer_unit) = $self->{perfdata}->change_bytes(value => $buffer_used);
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my ($cached_value, $cached_unit) = $self->{perfdata}->change_bytes(value => $cached_used);
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my ($shared_value, $shared_unit) = $self->{perfdata}->change_bytes(value => $shared_used);
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$self->{output}->output_add(severity => $exit,
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short_msg => sprintf("Ram Total: %s, Used (-buffers/cache): %s (%.2f%%), Buffer: %s, Cached: %s, Shared: %s",
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$total_value . " " . $total_unit,
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$nobuf_value . " " . $nobuf_unit, $prct_used,
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$buffer_value . " " . $buffer_unit,
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$cached_value . " " . $cached_unit,
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$shared_value . " " . $shared_unit));
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$self->{output}->perfdata_add(label => "cached", unit => 'B',
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value => $cached_used,
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min => 0);
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$self->{output}->perfdata_add(label => "buffer", unit => 'B',
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value => $buffer_used,
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min => 0);
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$self->{output}->perfdata_add(label => "used", unit => 'B',
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value => $nobuf_used,
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warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning', total => $total_size, cast_int => 1),
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critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical', total => $total_size, cast_int => 1),
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min => 0, max => $total_size);
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$self->{ram} = {
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memTotalReal => $result->{memTotalReal} * 1024,
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memAvailReal => $result->{memAvailReal} * 1024,
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memShared => $result->{memShared} * 1024,
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memBuffer => $result->{memBuffer} * 1024,
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memCached => $result->{memCached} * 1024,
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};
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if (defined($self->{option_results}->{check_swap})) {
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if ($result->{$oid_memTotalSwap} == 0) {
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$self->{output}->output_add(severity => $self->{no_swap},
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short_msg => 'No active swap.');
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$self->{output}->display();
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$self->{output}->exit();
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}
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$total_size = $result->{$oid_memTotalSwap} * 1024;
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my $swap_used = ($result->{$oid_memTotalSwap} - $result->{$oid_memAvailSwap}) * 1024;
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$prct_used = $swap_used * 100 / $total_size;
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$exit = $self->{perfdata}->threshold_check(value => $prct_used, threshold => [ { label => 'critical-swap', 'exit_litteral' => 'critical' }, { label => 'warning-swap', exit_litteral => 'warning' } ]);
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my ($total_value, $total_unit) = $self->{perfdata}->change_bytes(value => $total_size);
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my ($swap_used_value, $swap_used_unit) = $self->{perfdata}->change_bytes(value => $swap_used);
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my ($swap_free_value, $swap_free_unit) = $self->{perfdata}->change_bytes(value => ($total_size - $swap_used));
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$self->{output}->output_add(severity => $exit,
|
||||
short_msg => sprintf("Swap Total: %s Used: %s (%.2f%%) Free: %s (%.2f%%)",
|
||||
$total_value . " " . $total_unit,
|
||||
$swap_used_value . " " . $swap_used_unit, $prct_used,
|
||||
$swap_free_value . " " . $swap_free_unit, (100 - $prct_used)));
|
||||
|
||||
$self->{output}->perfdata_add(label => "swap", unit => 'B',
|
||||
value => $swap_used,
|
||||
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-swap', total => $total_size, cast_int => 1),
|
||||
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-swap', total => $total_size, cast_int => 1),
|
||||
min => 0, max => $total_size);
|
||||
$self->{swap} = {
|
||||
memTotalSwap => $result->{memTotalSwap} * 1024,
|
||||
memAvailSwap => $result->{memAvailSwap} * 1024,
|
||||
};
|
||||
}
|
||||
|
||||
$self->{output}->display();
|
||||
$self->{output}->exit();
|
||||
}
|
||||
|
||||
1;
|
||||
|
|
@ -173,33 +279,33 @@ __END__
|
|||
|
||||
=head1 MODE
|
||||
|
||||
Check physical memory (UCD-SNMP-MIB).
|
||||
Check memory usage (UCD-SNMP-MIB).
|
||||
|
||||
=over 8
|
||||
|
||||
=item B<--warning>
|
||||
=item B<--units>
|
||||
|
||||
Threshold warning in percent.
|
||||
Units of thresholds (Default: '%') ('%', 'absolute').
|
||||
|
||||
=item B<--critical>
|
||||
=item B<--free>
|
||||
|
||||
Threshold critical in percent.
|
||||
Thresholds are on free space left.
|
||||
|
||||
=item B<--swap>
|
||||
|
||||
Check swap also.
|
||||
|
||||
=item B<--warning-swap>
|
||||
=item B<--warning-*>
|
||||
|
||||
Threshold warning in percent.
|
||||
Threshold warning.
|
||||
Can be: 'usage', 'swap', 'buffer' (absolute),
|
||||
'cached' (absolute), 'shared' (absolute).
|
||||
|
||||
=item B<--critical-swap>
|
||||
=item B<--critical-*>
|
||||
|
||||
Threshold critical in percent.
|
||||
|
||||
=item B<--no-swap>
|
||||
|
||||
Threshold if no active swap (default: 'critical').
|
||||
Threshold critical.
|
||||
Can be: 'usage', 'swap', 'buffer' (absolute),
|
||||
'cached' (absolute), 'shared' (absolute).
|
||||
|
||||
=back
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue