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add first version of drbd plugin

This commit is contained in:
garnier-quentin 2020-09-14 17:09:13 +02:00
parent 984ba8792b
commit d27df860ea
2 changed files with 477 additions and 0 deletions
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apps/drbd/local/mode/resources.pm Normal file
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#
# 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 apps::drbd::local::mode::resources;
use base qw(centreon::plugins::templates::counter);
use strict;
use warnings;
use centreon::plugins::misc;
use centreon::plugins::templates::catalog_functions qw(catalog_status_threshold_ng);
use Digest::MD5 qw(md5_hex);
sub custom_role_output {
my ($self, %options) = @_;
return sprintf(
'role: %s',
$self->{result_values}->{role}
);
}
sub custom_disk_status_output {
my ($self, %options) = @_;
return sprintf(
'status: %s',
$self->{result_values}->{disk_status}
);
}
sub custom_peer_role_output {
my ($self, %options) = @_;
return sprintf(
'role: %s',
$self->{result_values}->{role}
);
}
sub custom_peer_connection_output {
my ($self, %options) = @_;
return sprintf(
'connection status: %s',
$self->{result_values}->{connection_status}
);
}
sub custom_peer_device_replication_output {
my ($self, %options) = @_;
return sprintf(
'replication status: %s',
$self->{result_values}->{device_replication_status}
);
}
sub custom_peer_device_disk_output {
my ($self, %options) = @_;
return sprintf(
'disk status: %s',
$self->{result_values}->{device_disk_status}
);
}
sub resource_long_output {
my ($self, %options) = @_;
return "checking resource '" . $options{instance_value}->{display} . "'";
}
sub prefix_resource_output {
my ($self, %options) = @_;
return "resource '" . $options{instance_value}->{display} . "' ";
}
sub prefix_device_output {
my ($self, %options) = @_;
return 'device disk ';
}
sub prefix_peer_output {
my ($self, %options) = @_;
return "peer '" . $options{instance_value}->{display} . "' ";
}
sub set_counters {
my ($self, %options) = @_;
$self->{maps_counters_type} = [
{ name => 'global', type => 0 },
{ name => 'resources', type => 3, cb_prefix_output => 'prefix_resource_output', cb_long_output => 'resource_long_output', indent_long_output => ' ', message_multiple => 'All drbd resources are ok',
group => [
{ name => 'role', type => 0, skipped_code => { -10 => 1 } },
{ name => 'device', type => 0, cb_prefix_output => 'prefix_device_output', skipped_code => { -10 => 1 } },
{ name => 'peers', display_long => 1, cb_prefix_output => 'prefix_peer_output', message_multiple => 'All peers are ok', type => 1, skipped_code => { -10 => 1 } }
]
}
];
$self->{maps_counters}->{global} = [
{ label => 'resources-total', nlabel => 'resources.total.count', set => {
key_values => [ { name => 'resources_total' } ],
output_template => 'total resources: %s',
perfdatas => [
{ template => '%s', min => 0 }
]
}
}
];
$self->{maps_counters}->{role} = [
{
label => 'role',
type => 2,
unknown_default => '%{role} =~ /unknown/i',
critical_default => '%{role} =~ /unconfigured/i',
set => {
key_values => [ { name => 'role' }, { name => 'display' } ],
closure_custom_output => $self->can('custom_role_output'),
closure_custom_perfdata => sub { return 0; },
closure_custom_threshold_check => \&catalog_status_threshold_ng
}
}
];
$self->{maps_counters}->{device} = [
{
label => 'disk-status',
type => 2,
unknown_default => '%{disk_status} =~ /dunknown/i',
warning_default => '%{disk_status} =~ /attaching|detaching|negotiating/i',
critical_default => '%{disk_status} =~ /outdated|inconsistent|failed|diskless/i',
set => {
key_values => [ { name => 'disk_status' }, { name => 'display' } ],
closure_custom_output => $self->can('custom_disk_status_output'),
closure_custom_perfdata => sub { return 0; },
closure_custom_threshold_check => \&catalog_status_threshold_ng
}
},
{ label => 'data-read', nlabel => 'disk.data.read.bytespersecond', set => {
key_values => [ { name => 'data_read', per_second => 1 }, { name => 'display' } ],
output_template => 'data read: %s%s/s',
output_change_bytes => 1,
perfdatas => [
{ template => '%s', min => 0, unit => 'B/s', label_extra_instance => 1 }
]
}
},
{ label => 'data-written', nlabel => 'disk.data.written.bytespersecond', set => {
key_values => [ { name => 'data_written', per_second => 1 }, { name => 'display' } ],
output_template => 'data written: %s%s/s',
output_change_bytes => 1,
perfdatas => [
{ template => '%s', min => 0, unit => 'B/s', label_extra_instance => 1 }
]
}
}
];
$self->{maps_counters}->{peers} = [
{
label => 'peer-role',
type => 2,
unknown_default => '%{role} =~ /unknown/i',
critical_default => '%{role} =~ /unconfigured/i',
set => {
key_values => [ { name => 'role' }, { name => 'display' } ],
closure_custom_output => $self->can('custom_peer_role_output'),
closure_custom_perfdata => sub { return 0; },
closure_custom_threshold_check => \&catalog_status_threshold_ng
}
},
{
label => 'peer-connection-status',
type => 2,
warning_default => '%{connection_status} =~ /^(?:connecting|disconnecting|standalone|teardown)$/i',
critical_default => '%{connection_status} =~ /^(?:brokenpipe|networkfailure|protocolerror|timeout|unconnected|wfconnection|wfreportparams)$/i',
set => {
key_values => [ { name => 'connection_status' }, { name => 'display' } ],
closure_custom_output => $self->can('custom_peer_connection_output'),
closure_custom_perfdata => sub { return 0; },
closure_custom_threshold_check => \&catalog_status_threshold_ng
}
},
{
label => 'peer-device-replication-status',
type => 2,
warning_default => '%{device_replication_status} =~ /^(?:ahead|off|startingsyncs|startingsynct|syncsource|synctarget|verifys|verifyt|wfsyncuuid)$/i',
critical_default => '%{device_replication_status} =~ /^(?:behind|pausedsyncs|pausedsynct|wfbitmaps|wfbitmapt)$/i',
set => {
key_values => [ { name => 'device_replication_status' }, { name => 'display' } ],
closure_custom_output => $self->can('custom_peer_device_replication_output'),
closure_custom_perfdata => sub { return 0; },
closure_custom_threshold_check => \&catalog_status_threshold_ng
}
},
{
label => 'peer-device-disk-status',
type => 2,
unknown_default => '%{device_disk_status} =~ /dunknown/i',
warning_default => '%{device_disk_status} =~ /^(?:attaching|detaching|diskless|failed|inconsistent|negotiating|outdated)$/i',
set => {
key_values => [ { name => 'device_disk_status' }, { name => 'display' } ],
closure_custom_output => $self->can('custom_peer_device_disk_output'),
closure_custom_perfdata => sub { return 0; },
closure_custom_threshold_check => \&catalog_status_threshold_ng
}
},
{ label => 'peer-traffic-in', nlabel => 'peer.traffic.in.bitspersecond', set => {
key_values => [ { name => 'traffic_in', per_second => 1 }, { name => 'display' } ],
output_template => 'traffic in: %s %s/s',
output_change_bytes => 2,
perfdatas => [
{ template => '%s', min => 0, unit => 'b/s', label_extra_instance => 1 }
]
}
},
{ label => 'peer-traffic-out', nlabel => 'peer.traffic.out.bitspersecond', set => {
key_values => [ { name => 'traffic_out', per_second => 1 }, { name => 'display' } ],
output_template => 'traffic out: %s %s/s',
output_change_bytes => 2,
perfdatas => [
{ template => '%s', min => 0, unit => 'b/s', label_extra_instance => 1 }
]
}
}
];
}
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options, statefile => 1, force_new_perfdata => 1);
bless $self, $class;
$options{options}->add_options(arguments => {
'filter-resource-name:s' => { name => 'filter_resource_name' }
});
return $self;
}
sub manage_selection {
my ($self, %options) = @_;
#exists resource name:drbd1 role:Secondary suspended:no write-ordering:flush
#exists connection name:drbd1 peer-node-id:0 conn-name:central-2004 connection:Connected role:Primary congested:no ap-in-flight:0 rs-in-flight:0
#exists connection name:drbd1 peer-node-id:1 conn-name:poller-2004-1 connection:Connected role:Secondary congested:no ap-in-flight:0 rs-in-flight:0
#exists device name:drbd1 volume:0 minor:1 disk:UpToDate client:no quorum:yes size:765868 read:0 written:765868 al-writes:0 bm-writes:0 upper-pending:0 lower-pending:0 al-suspended:no blocked:no
#exists peer-device name:drbd1 peer-node-id:0 conn-name:central-2004 volume:0 replication:Established peer-disk:UpToDate peer-client:no resync-suspended:no received:765868 sent:0 out-of-sync:0 pending:0 unacked:0
#exists peer-device name:drbd1 peer-node-id:1 conn-name:poller-2004-1 volume:0 replication:Established peer-disk:UpToDate peer-client:no resync-suspended:no received:0 sent:0 out-of-sync:0 pending:0 unacked:0
#exists -
my ($stdout) = $options{custom}->execute_command(
command => 'drbdsetup',
command_path => '/usr/sbin',
command_options => 'events2 --now --statistics all 2>&1'
);
$self->{resources} = {};
foreach my $line (split /\n/, $stdout) {
next if ($line !~ /^exists\s+(?:resource|connection|device|peer-device)\s+name:(\S+)/);
my $res_name = $1;
if (defined($self->{option_results}->{filter_resource_name}) && $self->{option_results}->{filter_resource_name} ne '' &&
$res_name !~ /$self->{option_results}->{filter_resource_name}/) {
$self->{output}->output_add(long_msg => "skipping '" . $res_name . "': no matching filter.", debug => 1);
next;
}
if ($line =~ /^exists\s+resource\s+.*?role:(\S+)/) {
$self->{resources}->{ $res_name } = {
display => $res_name,
role => { display => $res_name, role => $1 },
device => { display => $res_name },
peers => {}
};
} elsif ($line =~ /^exists\s+connection.*?conn-name:(\S+)\s+connection:(\S+)\s+role:(\S+)/) {
$self->{resources}->{ $res_name }->{peers}->{ $1 } = { display => $1 }
if (!defined($self->{resources}->{ $res_name }->{peers}->{ $1 }));
$self->{resources}->{ $res_name }->{peers}->{ $1 }->{connection_status} = $2;
$self->{resources}->{ $res_name }->{peers}->{ $1 }->{role} = $3;
} elsif ($line =~ /^exists\s+device.*?disk:(\S+).*?read:(\d+)\s+written:(\d+)/) {
$self->{resources}->{ $res_name }->{device}->{disk_status} = $1;
$self->{resources}->{ $res_name }->{device}->{data_read} = $2 * 1024;
$self->{resources}->{ $res_name }->{device}->{data_written} = $3 * 1024;
} elsif ($line =~ /^exists\s+peer-device.*?conn-name:(\S+).*?replication:(\S+).*?peer-disk:(\S+).*?received:(\d+)\s+sent:(\d+)/) {
$self->{resources}->{ $res_name }->{peers}->{ $1 } = { display => $1 }
if (!defined($self->{resources}->{ $res_name }->{peers}->{ $1 }));
$self->{resources}->{ $res_name }->{peers}->{ $1 }->{device_replication_status} = $2;
$self->{resources}->{ $res_name }->{peers}->{ $1 }->{device_disk_status} = $3;
$self->{resources}->{ $res_name }->{peers}->{ $1 }->{traffic_in} = $4 * 1024 * 8;
$self->{resources}->{ $res_name }->{peers}->{ $1 }->{traffic_out} = $5 * 1024 * 8;
}
}
$self->{global} = {
resources_total => scalar(keys %{$self->{resources}})
};
$self->{cache_name} = 'cache_linux_local_' . $options{custom}->get_identifier() . '_' . $self->{mode} . '_' .
(defined($self->{option_results}->{filter_counters}) ? md5_hex($self->{option_results}->{filter_counters}) : md5_hex('all')) . '_' .
(defined($self->{option_results}->{filter_resource_name}) ? md5_hex($self->{option_results}->{filter_resource_name}) : md5_hex('all'));
}
1;
__END__
=head1 MODE
Check DRBD resources.
Command used: /usr/sbin/drbdsetup events2 --now --statistics all 2>&1
=over 8
=item B<--filter-resource-name>
Filter resource name (Can be a regexp).
=item B<--unknown-*> B<--warning-*> B<--critical-*>
Available threshold options
=over 4
resources-total
data-read
data-written
peer-traffic-in
peer-traffic-out
role:
=over 4
[unknown] %{role} =~ /unknown/i
[critical] %{role} =~ /unconfigured/i
=back
disk-status:
=over 4
[unknown] %{disk_status} =~ /dunknown/i'
[warning] %{disk_status} =~ /attaching|detaching|negotiating/i'
[critical] %{disk_status} =~ /outdated|inconsistent|failed|diskless/i
=back
peer-role:
=over 4
[unknown] %{role} =~ /unknown/i
[critical] %{role} =~ /unconfigured/i
=back
peer-connection-status:
=over 4
[warning] %{connection_status} =~ /^(?:connecting|disconnecting|standalone|teardown)$/i
[critical] %{connection_status} =~ /^(?:brokenpipe|networkfailure|protocolerror|timeout|unconnected|wfconnection|wfreportparams)$/i
=back
peer-device-replication-status:
=over 4
[warning] %{device_replication_status} =~ /^(?:ahead|off|startingsyncs|startingsynct|syncsource|synctarget|verifys|verifyt|wfsyncuuid)$/i
[critical] %{device_replication_status} =~ /^(?:behind|pausedsyncs|pausedsynct|wfbitmaps|wfbitmapt)$/i
=back
peer-device-disk-status:
=over 4
[unknown] %{device_disk_status} =~ /dunknown/i
[warning] %{device_disk_status} =~ /^(?:attaching|detaching|diskless|failed|inconsistent|negotiating|outdated)$/i
=back
=back
=back
=cut

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#
# 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 apps::drbd::local::plugin;
use strict;
use warnings;
use base qw(centreon::plugins::script_custom);
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
bless $self, $class;
$self->{version} = '0.1';
$self->{modes} = {
'resources' => 'apps::drbd::local::mode::resources'
};
$self->{custom_modes}->{cli} = 'centreon::plugins::script_custom::cli';
return $self;
}
1;
__END__
=head1 PLUGIN DESCRIPTION
Check drbd through local commands (the plugin can use SSH).
Tested: DRBD 9.x with drbd-utils 9.13.x
=cut