215 lines
6.9 KiB
Perl
215 lines
6.9 KiB
Perl
#
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# Copyright 2020 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 alarm 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 apps::monitoring::netdata::restapi::mode::memory;
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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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sub custom_usage_output {
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my ($self, %options) = @_;
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return sprintf(
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'Ram total: %s %s used (-buffers/cache): %s %s (%.2f%%) free: %s %s (%.2f%%)',
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$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 => $self->{result_values}->{free}),
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$self->{result_values}->{prct_free}
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);
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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, skipped_code => { -10 => 1 } }
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];
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$self->{maps_counters}->{ram} = [
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{ label => 'usage', nlabel => 'memory.usage.bytes', set => {
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key_values => [ { name => 'used' }, { name => 'free' }, { name => 'prct_used' }, { name => 'prct_free' }, { name => 'total' } ],
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closure_custom_output => $self->can('custom_usage_output'),
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perfdatas => [
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{ template => '%d', min => 0, max => 'total', unit => 'B', cast_int => 1 }
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]
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}
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},
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{ label => 'usage-free', display_ok => 0, nlabel => 'memory.free.bytes', set => {
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key_values => [ { name => 'free' }, { name => 'used' }, { name => 'prct_used' }, { name => 'prct_free' }, { name => 'total' } ],
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closure_custom_output => $self->can('custom_usage_output'),
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perfdatas => [
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{ template => '%d', min => 0, max => 'total', unit => 'B', cast_int => 1 }
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]
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}
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},
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{ label => 'usage-prct', display_ok => 0, nlabel => 'memory.usage.percentage', set => {
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key_values => [ { name => 'prct_used' } ],
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output_template => 'Ram used : %.2f %%',
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perfdatas => [
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{ template => '%.2f', min => 0, max => 100, unit => '%' }
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]
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}
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},
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{ label => 'buffer', nlabel => 'memory.buffer.bytes', set => {
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key_values => [ { name => 'buffers' } ],
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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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{ template => '%d', min => 0, unit => 'B' }
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]
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}
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},
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{ label => 'cached', nlabel => 'memory.cached.bytes', set => {
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key_values => [ { name => 'cached' } ],
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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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{ template => '%d', min => 0, unit => 'B' }
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]
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}
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},
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{ label => 'shared', nlabel => 'memory.shared.bytes', 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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{ template => '%d', min => 0, unit => 'B' }
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]
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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, force_new_perfdata => 1);
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bless $self, $class;
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$options{options}->add_options(arguments => {
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'chart-period:s' => { name => 'chart_period', default => '300' },
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'chart-statistics:s' => { name => 'chart_statistics', default => 'average' }
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});
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return $self;
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}
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sub manage_selection {
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my ($self, %options) = @_;
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my $result = $options{custom}->get_data(
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chart => 'system.ram',
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points => $self->{option_results}->{chart_point},
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after_period => $self->{option_results}->{chart_period},
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group => $self->{option_results}->{chart_statistics}
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);
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foreach my $memory_value (@{$result->{data}}) {
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foreach my $memory_label (@{$result->{labels}}) {
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$self->{ram_data}->{$memory_label} = shift @{$memory_value};
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}
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}
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my $total = $options{custom}->get_info(filter_info => 'ram_total');
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my $used = $self->{ram_data}->{used} * 1024 * 1024;
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my $free = $self->{ram_data}->{free} * 1024 * 1024;
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my $prct_used = $used * 100 / $total;
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my $prct_free = 100 - $prct_used;
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my $cached = $self->{ram_data}->{cached} * 1024 * 1024;
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my $buffers = $self->{ram_data}->{buffers} * 1024 * 1024;
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$self->{ram} = {
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total => $total,
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used => $used,
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free => $free,
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prct_used => $prct_used,
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prct_free => $prct_free,
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cached => $cached,
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buffers => $buffers
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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 *nix based servers memory using the Netdata agent RestAPI.
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Example:
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perl centreon-plugins/centreon_plugins.pl --plugin=apps::monitoring::netdata::restapi::plugin
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--mode=memory --hostname=10.0.0.1 --chart-period=300 --warning-usage-prct=80 --critical-usage-prct=90 --verbose
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More information on 'https://learn.netdata.cloud/docs/agent/web/api'.
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=over 8
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=item B<--chart-period>
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The period in seconds on which the values are calculated
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Default: 300
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=item B<--chart-statistic>
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The statistic calculation method used to parse the collected data.
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Can be : average, sum, min, max
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Default: average
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=item B<--warning-usage>
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Warning threshold on used memory (in B).
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=item B<--critical-usage>
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Critical threshold on used memory (in B)
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=item B<--warning-usage-prct>
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Warning threshold on used memory (in %).
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=item B<--critical-usage-prct>
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Critical threshold on percentage used memory (in %)
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=item B<--warning-usage-free>
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Warning threshold on free memory (in B).
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=item B<--critical-usage-free>
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Critical threshold on free memory (in B)
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=item B<--warning-*>
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Warning threshold (in B) on other metrics where '*' can be:
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buffer,cached,shared
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=item B<--critical-*>
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Critical threshold (in B) on other metrics where '*' can be:
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buffer,cached,shared
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=back
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=cut
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