centreon-plugins/apps/redis/restapi/mode/databasesstats.pm
2017-12-21 15:07:40 +01:00

309 lines
13 KiB
Perl

#
# 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::redis::restapi::mode::databasesstats;
use base qw(centreon::plugins::templates::counter);
use strict;
use warnings;
use Digest::MD5 qw(md5_hex);
my $instance_mode;
sub custom_status_threshold {
my ($self, %options) = @_;
my $status = 'ok';
my $message;
eval {
local $SIG{__WARN__} = sub { $message = $_[0]; };
local $SIG{__DIE__} = sub { $message = $_[0]; };
if (defined($instance_mode->{option_results}->{critical_status}) && $instance_mode->{option_results}->{critical_status} ne '' &&
eval "$instance_mode->{option_results}->{critical_status}") {
$status = 'critical';
} elsif (defined($instance_mode->{option_results}->{warning_status}) && $instance_mode->{option_results}->{warning_status} ne '' &&
eval "$instance_mode->{option_results}->{warning_status}") {
$status = 'warning';
}
};
if (defined($message)) {
$self->{output}->output_add(long_msg => 'filter status issue: ' . $message);
}
return $status;
}
sub custom_status_output {
my ($self, %options) = @_;
my $msg = sprintf("Status is '%s' [type: %s] [sync: %s] [backup status: %s] [export status: %s] [shard list: %s]",
$self->{result_values}->{status},
$self->{result_values}->{type},
$self->{result_values}->{sync},
$self->{result_values}->{backup_status},
$self->{result_values}->{export_status},
$self->{result_values}->{shard_list});
return $msg;
}
sub custom_status_calc {
my ($self, %options) = @_;
$self->{result_values}->{type} = $options{new_datas}->{$self->{instance} . '_type'};
$self->{result_values}->{status} = $options{new_datas}->{$self->{instance} . '_status'};
$self->{result_values}->{sync} = $options{new_datas}->{$self->{instance} . '_sync'};
$self->{result_values}->{backup_status} = $options{new_datas}->{$self->{instance} . '_backup_status'};
$self->{result_values}->{export_status} = $options{new_datas}->{$self->{instance} . '_export_status'};
$self->{result_values}->{shard_list} = $options{new_datas}->{$self->{instance} . '_shard_list'};
return 0;
}
sub prefix_output {
my ($self, %options) = @_;
return "Database '" . $options{instance_value}->{display} . "' ";
}
sub set_counters {
my ($self, %options) = @_;
$self->{maps_counters_type} = [
{ name => 'databases', type => 1, cb_prefix_output => 'prefix_output', message_multiple => 'All databases counters are ok' },
];
$self->{maps_counters}->{databases} = [
{ label => 'status', threshold => 0, set => {
key_values => [ { name => 'status' }, { name => 'type' }, { name => 'sync' }, { name => 'backup_status' }, { name => 'export_status' }, { name => 'shard_list' } ],
closure_custom_calc => $self->can('custom_status_calc'),
closure_custom_output => $self->can('custom_status_output'),
closure_custom_perfdata => sub { return 0; },
closure_custom_threshold_check => $self->can('custom_status_threshold'),
}
},
{ label => 'ops-per-sec', set => {
key_values => [ { name => 'instantaneous_ops_per_sec' }, { name => 'display' } ],
output_template => 'Operations: %s ops/s',
perfdatas => [
{ label => 'ops_per_sec', value => 'instantaneous_ops_per_sec_absolute', template => '%s',
min => 0, unit => 'ops/s', label_extra_instance => 1, instance_use => 'display_absolute' },
],
}
},
{ label => 'memory-used', set => {
key_values => [ { name => 'used_memory' }, { name => 'display' } ],
output_template => 'Memory used: %s %s',
output_change_bytes => 1,
perfdatas => [
{ label => 'memory-used', value => 'used_memory_absolute', template => '%s',
min => 0, unit => 'B', label_extra_instance => 1, instance_use => 'display_absolute' },
],
}
},
{ label => 'total-keys', set => {
key_values => [ { name => 'no_of_keys' }, { name => 'display' } ],
output_template => 'Total keys: %s',
perfdatas => [
{ label => 'total-keys', value => 'no_of_keys_absolute', template => '%s',
min => 0, label_extra_instance => 1, instance_use => 'display_absolute' },
],
}
},
{ label => 'read-hits', set => {
key_values => [ { name => 'read_hits' }, { name => 'display' } ],
output_template => 'Read hits: %s /s',
perfdatas => [
{ label => 'read_hits', value => 'read_hits_absolute', template => '%s',
min => 0, unit => '/s', label_extra_instance => 1, instance_use => 'display_absolute' },
],
}
},
{ label => 'read-misses', set => {
key_values => [ { name => 'read_misses' }, { name => 'display' } ],
output_template => 'Read misses: %s /s',
perfdatas => [
{ label => 'read_misses', value => 'read_misses_absolute', template => '%s',
min => 0, unit => '/s', label_extra_instance => 1, instance_use => 'display_absolute' },
],
}
},
{ label => 'write-hits', set => {
key_values => [ { name => 'write_hits' }, { name => 'display' } ],
output_template => 'Write hits: %s /s',
perfdatas => [
{ label => 'write_hits', value => 'write_hits_absolute', template => '%s',
min => 0, unit => '/s', label_extra_instance => 1, instance_use => 'display_absolute' },
],
}
},
{ label => 'write-misses', set => {
key_values => [ { name => 'write_misses' }, { name => 'display' } ],
output_template => 'Write misses: %s /s',
perfdatas => [
{ label => 'write_misses', value => 'write_misses_absolute', template => '%s',
min => 0, unit => '/s', label_extra_instance => 1, instance_use => 'display_absolute' },
],
}
},
{ label => 'evicted-objects', set => {
key_values => [ { name => 'evicted_objects' }, { name => 'display' } ],
output_template => 'Evicted objects: %s',
perfdatas => [
{ label => 'evicted_objects', value => 'evicted_objects_absolute', template => '%s',
min => 0, label_extra_instance => 1, instance_use => 'display_absolute' },
],
}
},
{ label => 'expired-objects', set => {
key_values => [ { name => 'expired_objects' }, { name => 'display' } ],
output_template => 'Evicted objects: %s',
perfdatas => [
{ label => 'expired_objects', value => 'expired_objects_absolute', template => '%s',
min => 0, label_extra_instance => 1, instance_use => 'display_absolute' },
],
}
},
{ label => 'mem-frag-ratio', set => {
key_values => [ { name => 'mem_frag_ratio' }, { name => 'display' } ],
output_template => 'Memory fragmentation ratio: %s',
perfdatas => [
{ label => 'mem_frag_ratio', value => 'mem_frag_ratio_absolute', template => '%s',
min => 0, label_extra_instance => 1, instance_use => 'display_absolute' },
],
}
},
];
}
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 =>
{
"filter-database:s" => { name => 'filter_database' },
});
return $self;
}
sub check_options {
my ($self, %options) = @_;
$self->SUPER::check_options(%options);
$instance_mode = $self;
}
sub manage_selection {
my ($self, %options) = @_;
$self->{cache_name} = "redis_restapi_" . $self->{mode} . '_' . $options{custom}->get_connection_info() . '_' .
(defined($self->{option_results}->{filter_counters}) ? md5_hex($self->{option_results}->{filter_counters}) : md5_hex('all'));
my $result = $options{custom}->get(path => '/v1/bdbs/stats/last');
my $result2 = $options{custom}->get(path => '/v1/bdbs');
foreach my $database (keys $result) {
if (defined($self->{option_results}->{filter_database}) && $self->{option_results}->{filter_database} ne '' &&
$database !~ /$self->{option_results}->{filter_database}/) {
$self->{output}->output_add(long_msg => "skipping database '" . $database . "': no matching filter.", debug => 1);
next;
}
my $shard_list = '-';
if (@{$result2->{$database}->{shard_list}}) { $shard_list = join(", ", @{$result2->{$database}->{shard_list}}); }
$self->{databases}->{$database} = {
display => $result2->{$database}->{name},
status => defined($result2->{$database}->{status}) ? $result2->{$database}->{status} : '-',
type => defined($result2->{$database}->{type}) ? $result2->{$database}->{type} : '-',
sync => defined($result2->{$database}->{sync}) ? $result2->{$database}->{sync} : '-',
backup_status => defined($result2->{$database}->{backup_status}) ? $result2->{$database}->{backup_status} : '-',
export_status => defined($result2->{$database}->{export_status}) ? $result2->{$database}->{export_status} : '-',
shard_list => $shard_list,
used_memory => $result->{$database}->{used_memory},
instantaneous_ops_per_sec => $result->{$database}->{instantaneous_ops_per_sec},
no_of_keys => $result->{$database}->{no_of_keys},
evicted_objects => $result->{$database}->{evicted_objects},
expired_objects => $result->{$database}->{expired_objects},
read_hits => $result->{$database}->{read_hits},
read_misses => $result->{$database}->{read_misses},
write_hits => $result->{$database}->{write_hits},
write_misses => $result->{$database}->{write_misses},
mem_frag_ratio => $result->{$database}->{mem_frag_ratio},
};
if (scalar(keys %{$self->{databases}}) <= 0) {
$self->{output}->add_option_msg(short_msg => 'No databases detected, check your filter ? ');
$self->{output}->option_exit();
}
}
}
1;
__END__
=head1 MODE
Check RedisLabs Enterprise Cluster databases statistics.
=over 8
=item B<--filter-counters>
Only display some counters (regexp can be used).
Example: --filter-counters='clients'
=item B<--warning-status>
Set warning threshold for status.
Can used special variables like: %{status}, %{type}, %{sync},
%{backup_status}, %{export_status}, %{shard_list}
=item B<--critical-status>
Set critical threshold for status (Default: '%{status} !~ /active/i').
Can used special variables like: %{status}, %{type}, %{sync},
%{backup_status}, %{export_status}, %{shard_list}
=item B<--warning-*>
Threshold warning.
Can be: 'ops-per-sec', 'memory-used',
'total-keys', 'read-hits', 'read-misses',
'write-hits', 'write-misses', 'evicted-objects',
'expired-objects', 'mem-frag-ratio'.
=item B<--critical-*>
Threshold critical.
Can be: 'ops-per-sec', 'memory-used',
'total-keys', 'read-hits', 'read-misses',
'write-hits', 'write-misses', 'evicted-objects',
'expired-objects', 'mem-frag-ratio'.
=back
=cut