From 134bdd17e15ecbbcc512cc9a0911944f6cc64be9 Mon Sep 17 00:00:00 2001 From: qgarnier Date: Mon, 15 Feb 2021 15:02:35 +0100 Subject: [PATCH] add denyall snmp plugin (#2589) --- .../denyall/snmp/mode/listreverseproxy.pm | 123 ++++++++++ .../network/denyall/snmp/mode/reverseproxy.pm | 219 ++++++++++++++++++ .../network/denyall/snmp/plugin.pm | 57 +++++ 3 files changed, 399 insertions(+) create mode 100644 centreon-plugins/network/denyall/snmp/mode/listreverseproxy.pm create mode 100644 centreon-plugins/network/denyall/snmp/mode/reverseproxy.pm create mode 100644 centreon-plugins/network/denyall/snmp/plugin.pm diff --git a/centreon-plugins/network/denyall/snmp/mode/listreverseproxy.pm b/centreon-plugins/network/denyall/snmp/mode/listreverseproxy.pm new file mode 100644 index 000000000..bed270f0b --- /dev/null +++ b/centreon-plugins/network/denyall/snmp/mode/listreverseproxy.pm @@ -0,0 +1,123 @@ +# +# Copyright 2021 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 network::denyall::snmp::mode::listreverseproxy; + +use base qw(centreon::plugins::mode); + +use strict; +use warnings; + +sub new { + my ($class, %options) = @_; + my $self = $class->SUPER::new(package => __PACKAGE__, %options); + bless $self, $class; + + $options{options}->add_options(arguments => { + }); + + return $self; +} + +sub check_options { + my ($self, %options) = @_; + $self->SUPER::init(%options); +} + +my $map_status = { 0 => 'down', 1 => 'ok' }; + +my $mapping = { + uid => { oid => '.1.3.6.1.4.1.18433.10.1.1.1.8.2.1.2' }, # rpUid + status => { oid => '.1.3.6.1.4.1.18433.10.1.1.1.8.2.1.3', map => $map_status } # rpStatus +}; +my $oid_rp_entry = '.1.3.6.1.4.1.18433.10.1.1.1.8.2.1'; # rpEntry + +sub manage_selection { + my ($self, %options) = @_; + + my $snmp_result = $options{snmp}->get_table( + oid => $oid_rp_entry, + start => $mapping->{uid}->{oid}, + end => $mapping->{status}->{oid} + ); + + my $rps = {}; + foreach my $oid (keys %$snmp_result) { + next if ($oid !~ /^$mapping->{uid}->{oid}\.(.*)$/); + my $result = $options{snmp}->map_instance(mapping => $mapping, results => $snmp_result, instance => $1); + $rps->{$1} = $result; + } + + return $rps; +} + +sub run { + my ($self, %options) = @_; + + my $rps = $self->manage_selection(%options); + foreach (sort keys %$rps) { + $self->{output}->output_add( + long_msg => sprintf( + '[uid: %s] [status: %s]', + $rps->{$_}->{uid}, + $rps->{$_}->{status} + ) + ); + } + + $self->{output}->output_add( + severity => 'OK', + short_msg => 'List reverse proxies:' + ); + $self->{output}->display(nolabel => 1, force_ignore_perfdata => 1, force_long_output => 1); + $self->{output}->exit(); +} + +sub disco_format { + my ($self, %options) = @_; + + $self->{output}->add_disco_format(elements => [keys %$mapping]); +} + +sub disco_show { + my ($self, %options) = @_; + + my $rps = $self->manage_selection(%options); + foreach (sort keys %$rps) { + $self->{output}->add_disco_entry( + %{$rps->{$_}} + ); + } +} + +1; + +__END__ + +=head1 MODE + +List reverse proxies. + +=over 8 + +=back + +=cut + diff --git a/centreon-plugins/network/denyall/snmp/mode/reverseproxy.pm b/centreon-plugins/network/denyall/snmp/mode/reverseproxy.pm new file mode 100644 index 000000000..7dff2a0e1 --- /dev/null +++ b/centreon-plugins/network/denyall/snmp/mode/reverseproxy.pm @@ -0,0 +1,219 @@ +# +# Copyright 2021 Centreon (http://www.centreon.com/) +# +# Centreon is a full-fledged industry-strength solution that meets +# the needs in IT infrastructure and application monitoring for +# service performance. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +package network::denyall::snmp::mode::reverseproxy; + +use base qw(centreon::plugins::templates::counter); + +use strict; +use warnings; +use centreon::plugins::templates::catalog_functions qw(catalog_status_threshold_ng); + +sub custom_status_output { + my ($self, %options) = @_; + + return sprintf( + 'status: %s', + $self->{result_values}->{status} + ); +} + +sub rp_long_output { + my ($self, %options) = @_; + + return sprintf( + "checking reverse proxy '%s'", + $options{instance_value}->{uid} + ); +} + +sub prefix_tenant_output { + my ($self, %options) = @_; + + return sprintf( + "reverse proxy '%s' ", + $options{instance_value}->{uid} + ); +} + +sub set_counters { + my ($self, %options) = @_; + + $self->{maps_counters_type} = [ + { name => 'rps', type => 3, cb_prefix_output => 'prefix_rp_output', cb_long_output => 'rp_long_output', + indent_long_output => ' ', message_multiple => 'All reverse proxies are ok', + group => [ + { name => 'status', type => 0, skipped_code => { -10 => 1 } }, + { name => 'cpu', type => 0, skipped_code => { -10 => 1 } }, + { name => 'memory', type => 0, skipped_code => { -10 => 1 } }, + { name => 'traffic', type => 0, skipped_code => { -10 => 1 } } + ] + } + ]; + + $self->{maps_counters}->{status} = [ + { + label => 'status', type => 2, critical_default => '%{status} =~ /down/i', + set => { + key_values => [ { name => 'status' }, { name => 'uid' } ], + closure_custom_output => $self->can('custom_status_output'), + closure_custom_perfdata => sub { return 0; }, + closure_custom_threshold_check => \&catalog_status_threshold_ng + } + } + ]; + + $self->{maps_counters}->{cpu} = [ + { label => 'cpu-utilization', nlabel => 'reverse_proxy.cpu.utilization.percentage', set => { + key_values => [ { name => 'cpu_usage' } ], + output_template => 'cpu usage: %.2f %%', + perfdatas => [ + { template => '%.2f', unit => '%', min => 0, max => 100, label_extra_instance => 1 } + ] + } + } + ]; + + $self->{maps_counters}->{memory} = [ + { label => 'memory-usage', nlabel => 'reverse_proxy.memory.usage.bytes', set => { + key_values => [ { name => 'memory_used' } ], + output_template => 'memory used: %s %s', + output_change_bytes => 1, + perfdatas => [ + { template => '%d', min => 0, unit => 'B', label_extra_instance => 1 } + ] + } + } + ]; + + $self->{maps_counters}->{traffic} = [ + { label => 'requests', nlabel => 'reverse_proxy.requests.persecond', set => { + key_values => [ { name => 'requests_psec' } ], + output_template => 'requests: %.2f/s', + perfdatas => [ + { template => '%.2f', min => 0, label_extra_instance => 1 } + ] + } + } + ]; +} + +sub new { + my ($class, %options) = @_; + my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1); + bless $self, $class; + + $options{options}->add_options(arguments => { + 'filter-uid:s' => { name => 'filter_uid' } + }); + + return $self; +} + +my $map_status = { 0 => 'down', 1 => 'ok' }; + +my $mapping = { + status => { oid => '.1.3.6.1.4.1.18433.10.1.1.1.8.2.1.3', map => $map_status }, # rpStatus + cpu_usage => { oid => '.1.3.6.1.4.1.18433.10.1.1.1.8.2.1.4' }, # rpCpuUsage + memory_used => { oid => '.1.3.6.1.4.1.18433.10.1.1.1.8.2.1.5' }, # rpMemoryUsage (MB) + requests_psec => { oid => '.1.3.6.1.4.1.18433.10.1.1.1.8.2.1.11' } # rpRqstsPrSecond +}; + +sub manage_selection { + my ($self, %options) = @_; + + my $oid_uid = '.1.3.6.1.4.1.18433.10.1.1.1.8.2.1.2'; # rpUid + my $snmp_result = $options{snmp}->get_table( + oid => $oid_uid, + nothing_quit => 1 + ); + + $self->{rps} = {}; + foreach (keys %$snmp_result) { + /\.(\d+)$/; + my $instance = $1; + + if (defined($self->{option_results}->{filter_uid}) && $self->{option_results}->{filter_uid} ne '' && + $snmp_result->{$_} !~ /$self->{option_results}->{filter_uid}/) { + $self->{output}->output_add(long_msg => "skipping reverse proxy '" . $snmp_result->{$_} . "'.", debug => 1); + next; + } + + $self->{rps}->{ $snmp_result->{$_} } = { + uid => $snmp_result->{$_}, + instance => $instance + }; + } + + return if (scalar(keys %{$self->{rps}}) <= 0); + + $options{snmp}->load( + oids => [ map($_->{oid}, values(%$mapping)) ], + instances => [ map($_->{instance}, values(%{$self->{rps}})) ], + instance_regexp => '^(.*)$' + ); + $snmp_result = $options{snmp}->get_leef(); + foreach (keys %{$self->{rps}}) { + my $result = $options{snmp}->map_instance(mapping => $mapping, results => $snmp_result, instance => $self->{rps}->{$_}->{instance}); + + $self->{rps}->{$_}->{memory} = { memory_used => $result->{memory_used} * 1024 * 1024 }; + $self->{rps}->{$_}->{cpu} = { cpu_usage => $result->{cpu_usage} }; + $self->{rps}->{$_}->{status} = { status => $result->{status}, uid => $_ }; + $self->{rps}->{$_}->{traffic} = { requests_psec => $result->{requests_psec} }; + } +} + +1; + +__END__ + +=head1 MODE + +Check reverse proxies. + +=over 8 + +=item B<--filter-uid> + +Filter reverse proxy by UID (can be a regexp). + +=item B<--unknown-status> + +Set unknown threshold for status. +Can used special variables like: %{status}, %{uid} + +=item B<--warning-status> + +Set warning threshold for status. +Can used special variables like: %{status}, %{uid} + +=item B<--critical-status> + +Set critical threshold for status (Default: '%{status} =~ /down/i'). +Can used special variables like: %{status}, %{uid} + +=item B<--warning-*> B<--critical-*> + +Thresholds. +Can be: 'space-usage-prct', 'space-usage', 'space-usage-free'. + +=back + +=cut diff --git a/centreon-plugins/network/denyall/snmp/plugin.pm b/centreon-plugins/network/denyall/snmp/plugin.pm new file mode 100644 index 000000000..8a4b90862 --- /dev/null +++ b/centreon-plugins/network/denyall/snmp/plugin.pm @@ -0,0 +1,57 @@ +# +# Copyright 2021 Centreon (http://www.centreon.com/) +# +# Centreon is a full-fledged industry-strength solution that meets +# the needs in IT infrastructure and application monitoring for +# service performance. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +package network::denyall::snmp::plugin; + +use strict; +use warnings; +use base qw(centreon::plugins::script_snmp); + +sub new { + my ($class, %options) = @_; + my $self = $class->SUPER::new(package => __PACKAGE__, %options); + bless $self, $class; + + $self->{version} = '0.1'; + %{$self->{modes}} = ( + 'cpu' => 'snmp_standard::mode::cpu', + 'interfaces' => 'snmp_standard::mode::interfaces', + 'load' => 'snmp_standard::mode::loadaverage', + 'list-interfaces' => 'snmp_standard::mode::listinterfaces', + 'list-reverse-proxy' => 'network::denyall::snmp::mode::listreverseproxy', + 'list-storages' => 'snmp_standard::mode::liststorages', + 'memory' => 'snmp_standard::mode::memory', + 'reverse-proxy' => 'network::denyall::snmp::mode::reverseproxy', + 'storage' => 'snmp_standard::mode::storage', + 'swap' => 'snmp_standard::mode::swap' + ); + + return $self; +} + +1; + +__END__ + +=head1 PLUGIN DESCRIPTION + +Check DenyAll in SNMP. + +=cut