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centreon-plugins
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enh(plugin): refacto/migrate os/linux/local/mode/swap.pm

This commit is contained in:
thibaults-centreon 2019-10-23 13:39:51 +02:00
parent 2c232f9493
commit dbd10f093d
1 changed files with 80 additions and 37 deletions
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117
os/linux/local/mode/swap.pm
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@ -20,12 +20,68 @@
package os::linux::local::mode::swap; package os::linux::local::mode::swap;
use base qw(centreon::plugins::mode); use base qw(centreon::plugins::templates::counter);
use strict; use strict;
use warnings; use warnings;
use centreon::plugins::misc; use centreon::plugins::misc;
sub custom_swap_output {
my ($self, %options) = @_;
my $output = sprintf(
'Swap Total: %s %s Used: %s %s (%.2f%%) Free: %s %s (%.2f%%)',
$self->{perfdata}->change_bytes(value => $self->{result_values}->{total_absolute}),
$self->{perfdata}->change_bytes(value => $self->{result_values}->{used_absolute}),
$self->{result_values}->{prct_used_absolute},
$self->{perfdata}->change_bytes(value => $self->{result_values}->{free_absolute}),
$self->{result_values}->{prct_free_absolute},
);
return $output;
}
sub set_counters {
my ($self, %options) = @_;
$self->{maps_counters_type} = [
{ name => 'swap', type => 0, skipped_code => { -10 => 1 } },
];
$self->{maps_counters}->{swap} = [
{ label => 'swap-used', nlabel => 'swap.usage.bytes', set => {
key_values => [ { name => 'used' }, { name => 'free' }, { name => 'prct_used' }, { name => 'prct_free' }, { name => 'total' } ],
closure_custom_output => $self->can('custom_swap_output'),
threshold_use => 'used_absolute',
perfdatas => [
{ label => 'swap_used', value => 'used_absolute', template => '%d', min => 0, max => 'total_absolute', unit => 'B', cast_int => 1 },
],
},
},
{ label => 'swap-free', display_ok => 0, nlabel => 'swap.free.bytes', set => {
key_values => [ { name => 'free' }, { name => 'used' }, { name => 'prct_used' }, { name => 'prct_free' }, { name => 'total' } ],
closure_custom_output => $self->can('custom_swap_output'),
threshold_use => 'free_absolute',
},
},
{ label => 'swap-prct-used', display_ok => 0, nlabel => 'swap.usage.percentage', set => {
key_values => [ { name => 'free' }, { name => 'used' }, { name => 'prct_used' }, { name => 'prct_free' }, { name => 'total' } ],
closure_custom_output => $self->can('custom_swap_output'),
threshold_use => 'prct_used_absolute',
perfdatas => [
{ label => 'swap_prct', value => 'prct_used_absolute', template => '%.2f', min => 0, max => 100, unit => '%' },
],
},
},
{ label => 'swap-prct-free', display_ok => 0, nlabel => 'swap.free.percentage', set => {
key_values => [ { name => 'free' }, { name => 'used' }, { name => 'prct_used' }, { name => 'prct_free' }, { name => 'total' } ],
closure_custom_output => $self->can('custom_swap_output'),
threshold_use => 'prct_free_absolute',
},
},
];
}
sub new { sub new {
my ($class, %options) = @_; my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options); my $self = $class->SUPER::new(package => __PACKAGE__, %options);
@ -43,8 +99,6 @@ sub new {
"command:s" => { name => 'command', default => 'cat' }, "command:s" => { name => 'command', default => 'cat' },
"command-path:s" => { name => 'command_path' }, "command-path:s" => { name => 'command_path' },
"command-options:s" => { name => 'command_options', default => '/proc/meminfo 2>&1' }, "command-options:s" => { name => 'command_options', default => '/proc/meminfo 2>&1' },
"warning:s" => { name => 'warning', },
"critical:s" => { name => 'critical', },
"no-swap:s" => { name => 'no_swap' }, "no-swap:s" => { name => 'no_swap' },
}); });
$self->{no_swap} = 'critical'; $self->{no_swap} = 'critical';
@ -53,26 +107,20 @@ sub new {
sub check_options { sub check_options {
my ($self, %options) = @_; my ($self, %options) = @_;
$self->SUPER::init(%options);
if (($self->{perfdata}->threshold_validate(label => 'warning', value => $self->{option_results}->{warning})) == 0) { $self->SUPER::check_options(%options);
$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} . "'.");
$self->{output}->option_exit();
}
if (defined($self->{option_results}->{no_swap}) && $self->{option_results}->{no_swap} ne '') { if (defined($self->{option_results}->{no_swap}) && $self->{option_results}->{no_swap} ne '') {
if ($self->{output}->is_litteral_status(status => $self->{option_results}->{no_swap}) == 0) { if ($self->{output}->is_litteral_status(status => $self->{option_results}->{no_swap}) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong --no-swap status '" . $self->{option_results}->{no_swap} . "'."); $self->{output}->add_option_msg(short_msg => "Wrong --no-swap status '" . $self->{option_results}->{no_swap} . "'.");
$self->{output}->option_exit(); $self->{output}->option_exit();
} }
$self->{no_swap} = $self->{option_results}->{no_swap}; $self->{no_swap} = $self->{option_results}->{no_swap};
} }
} }
sub run { sub manage_selection {
my ($self, %options) = @_; my ($self, %options) = @_;
my $stdout = centreon::plugins::misc::execute(output => $self->{output}, my $stdout = centreon::plugins::misc::execute(output => $self->{output},
@ -92,9 +140,10 @@ sub run {
} }
if (!defined($total_size) || !defined($swap_free)) { if (!defined($total_size) || !defined($swap_free)) {
$self->{output}->add_option_msg(short_msg => "Some informations missing."); $self->{output}->add_option_msg(short_msg => "Some information missing.");
$self->{output}->option_exit(); $self->{output}->option_exit();
} }
if ($total_size == 0) { if ($total_size == 0) {
$self->{output}->output_add(severity => $self->{no_swap}, $self->{output}->output_add(severity => $self->{no_swap},
short_msg => 'No active swap.'); short_msg => 'No active swap.');
@ -105,26 +154,20 @@ sub run {
my $swap_used = $total_size - $swap_free; my $swap_used = $total_size - $swap_free;
my $prct_used = $swap_used * 100 / $total_size; my $prct_used = $swap_used * 100 / $total_size;
my $exit = $self->{perfdata}->threshold_check(value => $prct_used, threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]); my $prct_free = 100 - $prct_used;
my ($total_value, $total_unit) = $self->{perfdata}->change_bytes(value => $total_size); my ($total_value, $total_unit) = $self->{perfdata}->change_bytes(value => $total_size);
my ($swap_used_value, $swap_used_unit) = $self->{perfdata}->change_bytes(value => $swap_used); my ($swap_used_value, $swap_used_unit) = $self->{perfdata}->change_bytes(value => $swap_used);
my ($swap_free_value, $swap_free_unit) = $self->{perfdata}->change_bytes(value => ($total_size - $swap_used)); my ($swap_free_value, $swap_free_unit) = $self->{perfdata}->change_bytes(value => ($total_size - $swap_used));
$self->{output}->output_add(severity => $exit,
short_msg => sprintf("Swap Total: %s Used: %s (%.2f%%) Free: %s (%.2f%%)", $self->{swap} = {
$total_value . " " . $total_unit, used => $swap_used,
$swap_used_value . " " . $swap_used_unit, $prct_used, free => $swap_free,
$swap_free_value . " " . $swap_free_unit, (100 - $prct_used))); prct_used => $prct_used,
prct_free => $prct_free,
$self->{output}->perfdata_add(label => "used", unit => 'B', total => $total_size
value => $swap_used, };
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning', total => $total_size),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical', total => $total_size),
min => 0, max => $total_size);
$self->{output}->display();
$self->{output}->exit();
} }
1; 1;
@ -137,13 +180,13 @@ Check swap memory (need '/proc/meminfo' file).
=over 8 =over 8
=item B<--warning> =item B<--warning-swap-*>
Threshold warning in percent. Warning threshold, can be used (in Bytes), free (in Bytes), prct-used (Percentage), prct-free (Percentage).
=item B<--critical> =item B<--critical-swap-*>
Threshold critical in percent. Critical threshold, , can be used (in Bytes), free (in Bytes), prct-used (Percentage), prct-free (Percentage).
=item B<--no-swap> =item B<--no-swap>