centreon-plugins/os/linux/local/mode/openfiles.pm

118 lines
3.2 KiB
Perl

#
# Copyright 2020 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 os::linux::local::mode::openfiles;
use base qw(centreon::plugins::templates::counter);
use strict;
use warnings;
sub set_counters {
my ($self, %options) = @_;
$self->{maps_counters_type} = [
{ name => 'global', type => 0 }
];
$self->{maps_counters}->{global} = [
{ label => 'files-open', nlabel => 'system.files.open.count', set => {
key_values => [ { name => 'openfiles' } ],
output_template => 'current open files: %s',
perfdatas => [
{ template => '%s', min => 0 }
]
}
}
];
}
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options, force_new_perfdata => 1);
bless $self, $class;
$options{options}->add_options(arguments => {
'filter-username:s' => { name => 'filter_username' },
'filter-appname:s' => { name => 'filter_appname' },
'filter-pid:s' => { name => 'filter_pid' }
});
return $self;
}
sub manage_selection {
my ($self, %options) = @_;
my ($stdout) = $options{custom}->execute_command(
command => 'lsof',
command_options => '-a -d ^mem -d ^cwd -d ^rtd -d ^txt -d ^DEL 2>&1'
);
$self->{global} = { openfiles => 0 };
my @lines = split /\n/, $stdout;
shift @lines;
foreach (@lines) {
/^(\S+)\s+(\S+)\s+(\S+)/;
my ($name, $pid, $user) = ($1, $2, $3);
next if (defined($self->{option_results}->{filter_username}) && $self->{option_results}->{filter_username} ne '' &&
$user !~ /$self->{option_results}->{filter_username}/);
next if (defined($self->{option_results}->{filter_appname}) && $self->{option_results}->{filter_appname} ne '' &&
$name !~ /$self->{option_results}->{filter_appname}/);
next if (defined($self->{option_results}->{filter_pid}) && $self->{option_results}->{filter_pid} ne '' &&
$pid !~ /$self->{option_results}->{filter_pid}/);
$self->{global}->{openfiles}++;
}
}
1;
__END__
=head1 MODE
Check open files.
Command used: lsof -a -d ^mem -d ^cwd -d ^rtd -d ^txt -d ^DEL 2>&1
=over 8
=item B<--filter-appname>
Filter application name (can be a regexp).
=item B<--filter-username>
Filter username name (can be a regexp).
=item B<--filter-pid>
Filter PID (can be a regexp).
=item B<--warning-*> B<--critical-*>
Thresholds.
Can be: 'files-open'.
=back
=cut