centreon-plugins/database/mssql/mode/blockedprocesses.pm

198 lines
7.1 KiB
Perl

#
# 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 database::mssql::mode::blockedprocesses;
use base qw(centreon::plugins::templates::counter);
use strict;
use warnings;
use POSIX qw/floor/;
use centreon::plugins::misc;
sub set_counters {
my ($self, %options) = @_;
$self->{maps_counters_type} = [
{ name => 'global', type => 0 },
{ name => 'processes', type => 1 },
];
$self->{maps_counters}->{global} = [
{ label => 'blocked-processes', set => {
key_values => [ { name => 'blocked_processes' } ],
output_template => 'Number of blocked processes : %s',
perfdatas => [
{ label => 'blocked_processes', value => 'blocked_processes', template => '%s',
unit => '', min => 0 },
],
}
},
];
$self->{maps_counters}->{processes} = [
{ label => 'wait-time', set => {
key_values => [ { name => 'spid' }, { name => 'blocked' }, { name => 'status' },
{ name => 'waittime' }, { name => 'program' }, { name => 'cmd' } ],
closure_custom_calc => $self->can('custom_processes_calc'),
closure_custom_output => $self->can('custom_processes_output'),
closure_custom_perfdata => sub { return 0; },
closure_custom_threshold_check => $self->can('custom_processes_threshold'),
}
},
];
}
sub custom_processes_threshold {
my ($self, %options) = @_;
my $exit = $self->{perfdata}->threshold_check(value => $self->{result_values}->{waittime},
threshold => [ { label => 'critical-wait-time', exit_litteral => 'critical' },
{ label => 'warning-wait-time', exit_litteral => 'warning' } ]);
return $exit;
}
sub custom_processes_output {
my ($self, %options) = @_;
my $msg = sprintf("Process ID '%s' is blocked by process ID '%s' for %s [status: %s] [program: %s] [command: %s]",
$self->{result_values}->{spid},
$self->{result_values}->{blocked},
($self->{result_values}->{waittime} > 0) ? centreon::plugins::misc::change_seconds(value => $self->{result_values}->{waittime}) : "0s",
$self->{result_values}->{status},
$self->{result_values}->{program},
$self->{result_values}->{cmd});
return $msg;
}
sub custom_processes_calc {
my ($self, %options) = @_;
$self->{result_values}->{spid} = $options{new_datas}->{$self->{instance} . '_spid'};
$self->{result_values}->{blocked} = $options{new_datas}->{$self->{instance} . '_blocked'};
$self->{result_values}->{waittime} = (defined($options{new_datas}->{$self->{instance} . '_waittime'}) &&
$options{new_datas}->{$self->{instance} . '_waittime'} ne '') ?
floor($options{new_datas}->{$self->{instance} . '_waittime'} / 1000) : '0';
$self->{result_values}->{status} = $options{new_datas}->{$self->{instance} . '_status'};
$self->{result_values}->{program} = $options{new_datas}->{$self->{instance} . '_program'};
$self->{result_values}->{cmd} = $options{new_datas}->{$self->{instance} . '_cmd'};
return 0;
}
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
bless $self, $class;
$options{options}->add_options(arguments =>
{
"filter-status:s" => { name => 'filter_status' },
"filter-program:s" => { name => 'filter_program' },
"filter-command:s" => { name => 'filter_command' },
});
return $self;
}
sub manage_selection {
my ($self, %options) = @_;
$options{sql}->connect();
$options{sql}->query(query => q{SELECT spid, blocked, waittime, status, program_name, cmd FROM master.dbo.sysprocesses WHERE blocked <> '0'});
$self->{global} = { blocked_processes => 0 };
$self->{processes} = {};
while (my $row = $options{sql}->fetchrow_hashref()) {
my $status = centreon::plugins::misc::trim($row->{status});
my $program = centreon::plugins::misc::trim($row->{program_name});
my $cmd = centreon::plugins::misc::trim($row->{cmd});
if (defined($self->{option_results}->{filter_status}) && $self->{option_results}->{filter_status} ne '' &&
$status !~ /$self->{option_results}->{filter_status}/) {
$self->{output}->output_add(debug => 1, long_msg => "Skipping process " . $row->{spid} . ": because status is not matching filter.");
next;
}
if (defined($self->{option_results}->{filter_program}) && $self->{option_results}->{filter_program} ne '' &&
$program !~ /$self->{option_results}->{filter_program}/) {
$self->{output}->output_add(debug => 1, long_msg => "Skipping process " . $row->{spid} . ": because program is not matching filter.");
next;
}
if (defined($self->{option_results}->{filter_command}) && $self->{option_results}->{filter_command} ne '' &&
$cmd !~ /$self->{option_results}->{filter_command}/) {
$self->{output}->output_add(debug => 1, long_msg => "Skipping process " . $row->{spid} . ": because command is not matching filter.");
next
}
$self->{processes}->{$row->{spid}} = {
waittime => $row->{waittime},
spid => $row->{spid},
blocked => $row->{blocked},
status => $status,
program => $program,
cmd => $cmd,
};
$self->{global}->{blocked_processes}++;
}
}
1;
__END__
=head1 MODE
Checks if some processes are in a blocked state.
=over 8
=item B<--filter-status>
Filter results based on the status (can be a regexp).
=item B<--filter-program>
Filter results based on the program (client) name (can be a regexp).
=item B<--filter-command>
Filter results based on the command name (can be a regexp).
=item B<--warning-blocked-processes>
Threshold warning for total number of blocked processes.
=item B<--critical-blocked-processes>
Threshold critical for total number of blocked processes.
=item B<--warning-wait-time>
Threshold warning for blocked wait time.
=item B<--critical-wait-time>
Threshold critical for blocked wait time.
=back
=cut