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Add mode opentables.md and tablescount.md for mysql.

This commit is contained in:
Aladdin Chan 2017-11-21 15:58:35 +08:00
parent e04516dc45
commit 4ac33c1124
3 changed files with 238 additions and 0 deletions
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118
database/mysql/mode/opentables.pm Normal file
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@ -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

118
database/mysql/mode/tablescount.pm Normal file
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@ -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

2
database/mysql/plugin.pm
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@ -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';