From 80796829ce5d28b7d6bb24d3180b8fd68a6d98b5 Mon Sep 17 00:00:00 2001
From: Aladdin Chan <aladdin.china@gmail.com>
Date: Tue, 21 Nov 2017 15:58:35 +0800
Subject: [PATCH] Add mode opentables.md and tablescount.md for mysql.
---
.../database/mysql/mode/opentables.pm | 118 ++++++++++++++++++
.../database/mysql/mode/tablescount.pm | 118 ++++++++++++++++++
centreon-plugins/database/mysql/plugin.pm | 2 +
3 files changed, 238 insertions(+)
create mode 100644 centreon-plugins/database/mysql/mode/opentables.pm
create mode 100644 centreon-plugins/database/mysql/mode/tablescount.pm
diff --git a/centreon-plugins/database/mysql/mode/opentables.pm b/centreon-plugins/database/mysql/mode/opentables.pm
new file mode 100644
index 000000000..e862c4a15
--- /dev/null
+++ b/centreon-plugins/database/mysql/mode/opentables.pm
@@ -0,0 +1,118 @@
+#
+# Copyright 2016 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 database::mysql::mode::opentables;
+
+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;
+
+ $self->{version} = '1.0';
+ $options{options}->add_options(arguments =>
+ {
+ "warning:s" => { name => 'warning', },
+ "critical:s" => { name => 'critical', },
+ });
+
+ return $self;
+}
+
+sub check_options {
+ my ($self, %options) = @_;
+ $self->SUPER::init(%options);
+
+ if (($self->{perfdata}->threshold_validate(label => 'warning', value => $self->{option_results}->{warning})) == 0) {
+ $self->{output}->add_option_msg(short_msg => "Wrong warning threshold '" . $self->{option_results}->{warning} . "'.");
+ $self->{output}->option_exit();
+ }
+ if (($self->{perfdata}->threshold_validate(label => 'critical', value => $self->{option_results}->{critical})) == 0) {
+ $self->{output}->add_option_msg(short_msg => "Wrong critical threshold '" . $self->{option_results}->{critical} . "'.");
+ $self->{output}->option_exit();
+ }
+}
+
+sub run {
+ my ($self, %options) = @_;
+ # $options{sql} = sqlmode object
+ $self->{sql} = $options{sql};
+
+ $self->{sql}->connect();
+
+ if (!($self->{sql}->is_version_minimum(version => '5'))) {
+ $self->{output}->add_option_msg(short_msg => "MySQL version '" . $self->{sql}->{version} . "' is not supported (need version >= '5.x').");
+ $self->{output}->option_exit();
+ }
+
+ $self->{sql}->query(query => q{SHOW VARIABLES LIKE 'table_open_cache'});
+ my ($dummy, $open_tables_limit) = $self->{sql}->fetchrow_array();
+ if (!defined($open_tables_limit)) {
+ $self->{output}->add_option_msg(short_msg => "Cannot get open table limit.");
+ $self->{output}->option_exit();
+ }
+ $self->{sql}->query(query => q{SHOW /*!50000 global */ STATUS LIKE 'Open_tables'});
+ ($dummy, my $open_tables) = $self->{sql}->fetchrow_array();
+ if (!defined($open_tables)) {
+ $self->{output}->add_option_msg(short_msg => "Cannot get open tables.");
+ $self->{output}->option_exit();
+ }
+
+ my $prct_open = int(100 * $open_tables / $open_tables_limit);
+ my $exit_code = $self->{perfdata}->threshold_check(value => $prct_open, threshold => [ { label => 'critical', exit_litteral => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
+
+ $self->{output}->output_add(severity => $exit_code,
+ short_msg => sprintf("%.2f%% of the open files limit reached (%d of max. %d)",
+ $prct_open, $open_tables, $open_tables_limit));
+ $self->{output}->perfdata_add(label => 'open_tables',
+ value => $open_tables,
+ warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning', total => $open_tables_limit, cast_int => 1),
+ critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical', total => $open_tables_limit, cast_int => 1),
+ min => 0);
+
+ $self->{output}->display();
+ $self->{output}->exit();
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check number of open tables.
+
+=over 8
+
+=item B<--warning>
+
+Threshold warning in percent.
+
+=item B<--critical>
+
+Threshold critical in percent.
+
+=back
+
+=cut
diff --git a/centreon-plugins/database/mysql/mode/tablescount.pm b/centreon-plugins/database/mysql/mode/tablescount.pm
new file mode 100644
index 000000000..c792054b2
--- /dev/null
+++ b/centreon-plugins/database/mysql/mode/tablescount.pm
@@ -0,0 +1,118 @@
+#
+# Copyright 2016 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package database::mysql::mode::tablescount;
+
+use base qw(centreon::plugins::mode);
+
+use strict;
+use warnings;
+
+sub new {
+ my ($class, %options) = @_;
+ my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+ bless $self, $class;
+
+ $self->{version} = '1.0';
+ $options{options}->add_options(arguments =>
+ {
+ "warning:s" => { name => 'warning', },
+ "critical:s" => { name => 'critical', },
+ "filter:s" => { name => 'filter', },
+ });
+
+ return $self;
+}
+
+sub check_options {
+ my ($self, %options) = @_;
+ $self->SUPER::init(%options);
+
+ if (($self->{perfdata}->threshold_validate(label => 'warning', value => $self->{option_results}->{warning})) == 0) {
+ $self->{output}->add_option_msg(short_msg => "Wrong warning threshold '" . $self->{option_results}->{warning} . "'.");
+ $self->{output}->option_exit();
+ }
+ if (($self->{perfdata}->threshold_validate(label => 'critical', value => $self->{option_results}->{critical})) == 0) {
+ $self->{output}->add_option_msg(short_msg => "Wrong critical threshold '" . $self->{option_results}->{critical} . "'.");
+ $self->{output}->option_exit();
+ }
+}
+
+sub run {
+ my ($self, %options) = @_;
+ # $options{sql} = sqlmode object
+ $self->{sql} = $options{sql};
+
+ $self->{sql}->connect();
+ $self->{sql}->query(query => 'SELECT table_schema AS NAME, COUNT(*)
+ FROM information_schema.tables
+ GROUP BY table_schema');
+ my $result = $self->{sql}->fetchall_arrayref();
+
+ $self->{output}->output_add(severity => 'OK',
+ short_msg => "All databases are ok.");
+ foreach my $row (@$result) {
+ next if (defined($self->{option_results}->{filter}) &&
+ $$row[0] !~ /$self->{option_results}->{filter}/);
+
+ my $exit_code = $self->{perfdata}->threshold_check(value => $$row[1], threshold => [ { label => 'critical', exit_litteral => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
+
+ my $value = $$row[1];
+ $self->{output}->output_add(long_msg => sprintf("DB '" . $$row[0] . "' tables count: %s", $value));
+ if (!$self->{output}->is_status(value => $exit_code, compare => 'ok', litteral => 1)) {
+ $self->{output}->output_add(severity => $exit_code,
+ short_msg => sprintf("DB '" . $$row[0] . "' tables count: %s", $value));
+ }
+ $self->{output}->perfdata_add(label => $$row[0] . '_tablescount', unit => '',
+ value => $$row[1],
+ warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
+ critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
+ min => 0);
+ }
+
+ $self->{output}->display();
+ $self->{output}->exit();
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check MySQL tables count by db.
+
+=over 8
+
+=item B<--warning>
+
+Threshold warning.
+
+=item B<--critical>
+
+Threshold critical.
+
+=item B<--filter>
+
+Filter database to checks.
+
+=back
+
+=cut
diff --git a/centreon-plugins/database/mysql/plugin.pm b/centreon-plugins/database/mysql/plugin.pm
index f9ac4003f..009e934ff 100644
--- a/centreon-plugins/database/mysql/plugin.pm
+++ b/centreon-plugins/database/mysql/plugin.pm
@@ -47,6 +47,8 @@ sub new {
'threads-connected' => 'database::mysql::mode::threadsconnected',
'uptime' => 'database::mysql::mode::uptime',
'tables-size' => 'database::mysql::mode::tablessize',
+ 'tables-count' => 'database::mysql::mode::tablescount',
+ 'open-tables' => 'database::mysql::mode::opentables',
);
$self->{sql_modes}{mysqlcmd} = 'database::mysql::mysqlcmd';