Add new Keepalived plugin (#1505)

apps/keepalived/snmp/mode/vrrpstatus.pm

@@ -0,0 +1,155 @@
+#
+# Copyright 2019 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::keepalived::snmp::mode::vrrpstatus;
+
+use base qw(centreon::plugins::templates::counter);
+
+use strict;
+use warnings;
+use Digest::MD5 qw(md5_hex);
+use centreon::plugins::templates::catalog_functions qw(catalog_status_threshold);
+
+sub custom_status_output {
+    my ($self, %options) = @_;
+    
+    my $msg = sprintf("state : %s [last state : %s, wanted state : '%s']", 
+        $self->{result_values}->{instanceState}, $self->{result_values}->{instanceStateLast}, $self->{result_values}->{instanceWantedState});
+    return $msg;
+}
+
+sub custom_status_calc {
+    my ($self, %options) = @_;
+    
+    $self->{result_values}->{instanceWantedState} = $options{new_datas}->{$self->{instance} . '_instance_wanted_state'};
+    $self->{result_values}->{instanceStateLast} = $options{old_datas}->{$self->{instance} . '_instance_state'};
+    $self->{result_values}->{instanceState} = $options{new_datas}->{$self->{instance} . '_instance_state'};
+    $self->{result_values}->{instancePrimaryInterface} = $options{new_datas}->{$self->{instance} . '_instance_primary_interface'};
+    if (!defined($options{old_datas}->{$self->{instance} . '_instance_state'})) {
+        $self->{error_msg} = "buffer creation";
+        return -2;
+    }
+
+    return 0;
+}
+
+sub set_counters {
+    my ($self, %options) = @_;
+    
+    $self->{maps_counters_type} = [
+        { name => 'vrrp', type => 1, cb_prefix_output => 'prefix_vrrp_output', message_multiple => 'All VRRP instances are ok' },
+    ];
+    
+    $self->{maps_counters}->{vrrp} = [
+        { label => 'status', threshold => 0, set => {
+                key_values => [ { name => 'instance_primary_interface' }, { name => 'instance_wanted_state' }, { name => 'instance_state' } ],
+                closure_custom_calc => $self->can('custom_status_calc'),
+                closure_custom_output => $self->can('custom_status_output'),
+                closure_custom_perfdata => sub { return 0; },
+                closure_custom_threshold_check => \&catalog_status_threshold,
+            }
+        },
+    ];
+}
+
+sub prefix_vrrp_output {
+    my ($self, %options) = @_;
+
+    return "VRRP '" . $options{instance_value}->{instance_primary_interface} . "' ";
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options, statefile => 1);
+    bless $self, $class;
+    
+    $self->{version} = '1.0';
+    $options{options}->add_options(arguments =>
+                                {
+                                "warning-status:s"        => { name => 'warning_status', default => '' },
+                                "critical-status:s"       => { name => 'critical_status', default => '%{instanceState} ne %{instanceWantedState} or %{instanceState} ne %{instanceStateLast}' },
+                                });
+
+    return $self;
+}
+
+sub check_options {
+    my ($self, %options) = @_;
+    $self->SUPER::check_options(%options);
+
+    $self->change_macros(macros => ['warning_status', 'critical_status']);
+}
+
+my %map_instance_state = (0 => 'init', 1 => 'backup', 2 => 'master', 3 => 'fault', 4 => 'unknown');
+my %map_instance_wanted_state = (0 => 'init', 1 => 'backup', 2 => 'master', 3 => 'fault', 4 => 'unknown');
+my $mapping = {
+    vrrpInstanceState            => { oid => '.1.3.6.1.4.1.9586.100.5.2.3.1.4', map => \%map_instance_state },
+    vrrpInstanceWantedState      => { oid => '.1.3.6.1.4.1.9586.100.5.2.3.1.6', map => \%map_instance_wanted_state },
+    vrrpInstancePrimaryInterface => { oid => '.1.3.6.1.4.1.9586.100.5.2.3.1.10' },
+};
+
+my $oid_vrrpInstanceEntry = '.1.3.6.1.4.1.9586.100.5.2.3.1';
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    $self->{vrrp} = {};
+    my $snmp_result = $options{snmp}->get_table(oid => $oid_vrrpInstanceEntry, end => $mapping->{vrrpInstancePrimaryInterface}->{oid},
+                                                nothing_quit => 1);
+
+    foreach my $oid (keys %{$snmp_result}) {
+        next if ($oid !~ /^$mapping->{vrrpInstanceState}->{oid}\.(.*)$/);
+        my $instance = $1;
+        my $result = $options{snmp}->map_instance(mapping => $mapping, results => $snmp_result, instance => $instance);
+        
+        $self->{vrrp}->{$instance} = { 
+            instance_primary_interface => $result->{vrrpInstancePrimaryInterface},
+            instance_wanted_state => $result->{vrrpInstanceWantedState},
+            instance_state => $result->{vrrpInstanceState},
+        };
+    }
+    
+    $self->{cache_name} = "keepalived_" . $self->{mode} . '_' . $options{snmp}->get_hostname()  . '_' . $options{snmp}->get_port() . '_' .
+        (defined($self->{option_results}->{filter_counters}) ? md5_hex($self->{option_results}->{filter_counters}) : md5_hex('all'));
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check VRRP instances status.
+
+=over 8
+
+=item B<--warning-status>
+
+Set warning threshold for status.
+Can used special variables like: %{instanceWantedState}, %{instanceStateLast}, %{instanceState}, %{instancePrimaryInterface}
+
+=item B<--critical-status>
+
+Set critical threshold for status (Default: '%{instanceState} ne %{instanceWantedState} or %{instanceState} ne %{instanceStateLast}').
+Can used special variables like: %{instanceWantedState}, %{instanceStateLast}, %{instanceState}, %{instancePrimaryInterface}
+
+=back
+
+=cut

apps/keepalived/snmp/plugin.pm

@@ -0,0 +1,48 @@
+#
+# Copyright 2019 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::keepalived::snmp::plugin;
+
+use strict;
+use warnings;
+use base qw(centreon::plugins::script_snmp);
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    bless $self, $class;
+
+    $self->{version} = '1.0';
+    %{$self->{modes}} = (
+        'vrrp-status'       => 'apps::keepalived::snmp::mode::vrrpstatus',
+    );
+
+    return $self;
+}
+
+1;
+
+__END__
+
+=head1 PLUGIN DESCRIPTION
+
+Check Keepalived in SNMP.
+
+=cut