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centreon-plugins
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change storage standard mode

This commit is contained in:
qgarnier 2017-12-07 11:02:44 +01:00
parent 0e2851ee43
commit a9ba0d3a38
1 changed files with 143 additions and 117 deletions
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260
snmp_standard/mode/storage.pm
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@ -20,13 +20,15 @@
package snmp_standard::mode::storage;
use base qw(centreon::plugins::mode);
use base qw(centreon::plugins::templates::counter);
use strict;
use warnings;
use centreon::plugins::statefile;
use Digest::MD5 qw(md5_hex);
my $instance_mode;
my %oids_hrStorageTable = (
'hrstoragedescr' => '.1.3.6.1.2.1.25.2.3.1.3',
'hrfsmountpoint' => '.1.3.6.1.2.1.25.3.8.1.2',
@ -69,6 +71,113 @@ my %storage_types_manage = (
'.1.3.6.1.2.1.25.3.9.23' => 'hrFSLinuxExt2',
);
sub custom_usage_perfdata {
my ($self, %options) = @_;
my $label = 'used';
my $value_perf = $self->{result_values}->{used};
if (defined($instance_mode->{option_results}->{free})) {
$label = 'free';
$value_perf = $self->{result_values}->{free};
}
my $extra_label = '';
$extra_label = '_' . $self->{result_values}->{display} if (!defined($options{extra_instance}) || $options{extra_instance} != 0);
my %total_options = ();
if ($instance_mode->{option_results}->{units} eq '%') {
$total_options{total} = $self->{result_values}->{total};
$total_options{cast_int} = 1;
}
$self->{output}->perfdata_add(label => $label . $extra_label, unit => 'B',
value => $value_perf,
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-' . $self->{label}, %total_options),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-' . $self->{label}, %total_options),
min => 0, max => $self->{result_values}->{total});
}
sub custom_usage_threshold {
my ($self, %options) = @_;
my ($exit, $threshold_value);
$threshold_value = $self->{result_values}->{used};
$threshold_value = $self->{result_values}->{free} if (defined($instance_mode->{option_results}->{free}));
if ($instance_mode->{option_results}->{units} eq '%') {
$threshold_value = $self->{result_values}->{prct_used};
$threshold_value = $self->{result_values}->{prct_free} if (defined($instance_mode->{option_results}->{free}));
}
$exit = $self->{perfdata}->threshold_check(value => $threshold_value, threshold => [ { label => 'critical-' . $self->{label}, exit_litteral => 'critical' }, { label => 'warning-'. $self->{label}, exit_litteral => 'warning' } ]);
return $exit;
}
sub custom_usage_output {
my ($self, %options) = @_;
my ($total_size_value, $total_size_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{total});
my ($total_used_value, $total_used_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{used});
my ($total_free_value, $total_free_unit) = $self->{perfdata}->change_bytes(value => $self->{result_values}->{free});
my $msg = sprintf("Usage Total: %s Used: %s (%.2f%%) Free: %s (%.2f%%)",
$total_size_value . " " . $total_size_unit,
$total_used_value . " " . $total_used_unit, $self->{result_values}->{prct_used},
$total_free_value . " " . $total_free_unit, $self->{result_values}->{prct_free});
return $msg;
}
sub custom_usage_calc {
my ($self, %options) = @_;
$self->{result_values}->{display} = $options{new_datas}->{$self->{instance} . '_display'};
$self->{result_values}->{total} = $options{new_datas}->{$self->{instance} . '_size'} * $options{new_datas}->{$self->{instance} . '_allocation_units'};
my $reserved_value = 0;
if (defined($instance_mode->{option_results}->{space_reservation})) {
$reserved_value = $instance_mode->{option_results}->{space_reservation} * $self->{result_values}->{total} / 100;
}
$self->{result_values}->{used} = $options{new_datas}->{$self->{instance} . '_used'} * $options{new_datas}->{$self->{instance} . '_allocation_units'};
$self->{result_values}->{free} = $self->{result_values}->{total} - $self->{result_values}->{used} - $reserved_value;
$self->{result_values}->{prct_used} = $self->{result_values}->{used} * 100 / ($self->{result_values}->{total} - $reserved_value);
$self->{result_values}->{prct_free} = 100 - $self->{result_values}->{prct_used};
# limit to 100. Better output.
if ($self->{result_values}->{prct_used} > 100) {
$self->{result_values}->{free} = 0;
$self->{result_values}->{prct_used} = 100;
$self->{result_values}->{prct_free} = 0;
}
return 0;
}
sub set_counters {
my ($self, %options) = @_;
$self->{maps_counters_type} = [
{ name => 'storage', type => 1, cb_prefix_output => 'prefix_storage_output', message_multiple => 'All storages are ok' },
];
$self->{maps_counters}->{storage} = [
{ label => 'usage', set => {
key_values => [ { name => 'display' }, { name => 'used' }, { name => 'size' }, { name => 'allocation_units' } ],
closure_custom_calc => $self->can('custom_usage_calc'),
closure_custom_output => $self->can('custom_usage_output'),
closure_custom_perfdata => $self->can('custom_usage_perfdata'),
closure_custom_threshold_check => $self->can('custom_usage_threshold'),
}
},
];
}
sub prefix_storage_output {
my ($self, %options) = @_;
return "Storage '" . $options{instance_value}->{display} . "' ";
}
sub default_storage_type {
my ($self, %options) = @_;
return '^(hrStorageFixedDisk|hrStorageNetworkDisk|hrFSBerkeleyFFS)$';
}
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
@ -77,8 +186,6 @@ sub new {
$self->{version} = '1.0';
$options{options}->add_options(arguments =>
{
"warning:s" => { name => 'warning' },
"critical:s" => { name => 'critical' },
"units:s" => { name => 'units', default => '%' },
"free" => { name => 'free' },
"reload-cache-time:s" => { name => 'reload_cache_time', default => 180 },
@ -92,7 +199,7 @@ sub new {
"display-transform-dst:s" => { name => 'display_transform_dst' },
"show-cache" => { name => 'show_cache' },
"space-reservation:s" => { name => 'space_reservation' },
"filter-storage-type:s" => { name => 'filter_storage_type', default => '^(hrStorageFixedDisk|hrStorageNetworkDisk|hrFSBerkeleyFFS)$' },
"filter-storage-type:s" => { name => 'filter_storage_type', default => $self->default_storage_type() },
});
$self->{storage_id_selected} = [];
@ -103,43 +210,34 @@ sub new {
sub check_options {
my ($self, %options) = @_;
$self->SUPER::init(%options);
$self->SUPER::check_options(%options);
if (($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} . "'.");
$self->{output}->option_exit();
}
if (defined($self->{option_results}->{space_reservation}) &&
($self->{option_results}->{space_reservation} < 0 || $self->{option_results}->{space_reservation} > 100)) {
$self->{output}->add_option_msg(short_msg => "Space reservation argument must be between 0 and 100 percent.");
$self->{output}->option_exit();
$self->{output}->add_option_msg(short_msg => "Space reservation argument must be between 0 and 100 percent.");
$self->{output}->option_exit();
}
$self->{option_results}->{oid_filter} = lc($self->{option_results}->{oid_filter});
if ($self->{option_results}->{oid_filter} !~ /^(hrstoragedescr|hrfsmountpoint)$/) {
$self->{output}->add_option_msg(short_msg => "Unsupported --oid-filter option.");
$self->{output}->option_exit();
$self->{output}->add_option_msg(short_msg => "Unsupported --oid-filter option.");
$self->{output}->option_exit();
}
$self->{option_results}->{oid_display} = lc($self->{option_results}->{oid_display});
if ($self->{option_results}->{oid_display} !~ /^(hrstoragedescr|hrfsmountpoint)$/) {
$self->{output}->add_option_msg(short_msg => "Unsupported --oid-display option.");
$self->{output}->option_exit();
$self->{output}->add_option_msg(short_msg => "Unsupported --oid-display option.");
$self->{output}->option_exit();
}
$self->{statefile_cache}->check_options(%options);
$instance_mode = $self;
}
sub run {
sub manage_selection {
my ($self, %options) = @_;
$self->{snmp} = $options{snmp};
$self->{hostname} = $self->{snmp}->get_hostname();
$self->{snmp_port} = $self->{snmp}->get_port();
$self->manage_selection();
$self->get_selection();
my $oid_hrStorageAllocationUnits = '.1.3.6.1.2.1.25.2.3.1.4';
my $oid_hrStorageSize = '.1.3.6.1.2.1.25.2.3.1.5';
@ -149,109 +247,37 @@ sub run {
$self->{snmp}->load(oids => [$oid_hrStorageAllocationUnits, $oid_hrStorageSize, $oid_hrStorageUsed],
instances => $self->{storage_id_selected}, nothing_quit => 1);
my $result = $self->{snmp}->get_leef();
my $multiple = 0;
if (scalar(@{$self->{storage_id_selected}}) > 1) {
$multiple = 1;
}
if ($multiple == 1) {
$self->{output}->output_add(severity => 'OK',
short_msg => 'All storages are ok.');
}
$self->{storage} = {};
foreach (sort @{$self->{storage_id_selected}}) {
my $name_storage = $self->get_display_value(id => $_);
if (!defined($result->{$oid_hrStorageAllocationUnits . "." . $_})) {
if ($multiple == 0) {
$self->{output}->add_option_msg(severity => 'UNKNOWN',
short_msg => sprintf("Skipping storage '%s': not found (need to reload the cache)",
$name_storage));
} else {
$self->{output}->add_option_msg(long_msg => sprintf("Skipping storage '%s': not found (need to reload the cache)",
$name_storage));
}
$self->{output}->add_option_msg(long_msg => sprintf("skipping storage '%s': not found (need to reload the cache)",
$name_storage));
next;
}
# in bytes hrStorageAllocationUnits
my $total_size = $result->{$oid_hrStorageSize . "." . $_} * $result->{$oid_hrStorageAllocationUnits . "." . $_};
if ($total_size <= 0) {
if ($multiple == 0) {
$self->{output}->add_option_msg(severity => 'UNKNOWN',
short_msg => sprintf("Skipping storage '%s': total size is <= 0 (%s)",
$name_storage, int($total_size)));
} else {
$self->{output}->add_option_msg(long_msg => sprintf("Skipping storage '%s': total size is <= 0 (%s)",
$name_storage, int($total_size)));
}
$self->{output}->add_option_msg(long_msg => sprintf("skipping storage '%s': total size is <= 0 (%s)",
$name_storage, int($total_size)));
next;
}
my $reserved_value = 0;
if (defined($self->{option_results}->{space_reservation})) {
$reserved_value = $self->{option_results}->{space_reservation} * $total_size / 100;
}
my $total_used = $result->{$oid_hrStorageUsed . "." . $_} * $result->{$oid_hrStorageAllocationUnits . "." . $_};
my $total_free = $total_size - $total_used - $reserved_value;
my $prct_used = $total_used * 100 / ($total_size - $reserved_value);
my $prct_free = 100 - $prct_used;
# limit to 100. Better output.
if ($prct_used > 100) {
$total_free = 0;
$prct_used = 100;
$prct_free = 0;
}
my ($exit, $threshold_value);
$threshold_value = $total_used;
$threshold_value = $total_free if (defined($self->{option_results}->{free}));
if ($self->{option_results}->{units} eq '%') {
$threshold_value = $prct_used;
$threshold_value = $prct_free if (defined($self->{option_results}->{free}));
}
$exit = $self->{perfdata}->threshold_check(value => $threshold_value, threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]);
my ($total_size_value, $total_size_unit) = $self->{perfdata}->change_bytes(value => $total_size);
my ($total_used_value, $total_used_unit) = $self->{perfdata}->change_bytes(value => $total_used);
my ($total_free_value, $total_free_unit) = $self->{perfdata}->change_bytes(value => $total_free);
$self->{output}->output_add(long_msg => sprintf("Storage '%s' Total: %s Used: %s (%.2f%%) Free: %s (%.2f%%)", $name_storage,
$total_size_value . " " . $total_size_unit,
$total_used_value . " " . $total_used_unit, $prct_used,
$total_free_value . " " . $total_free_unit, $prct_free));
if (!$self->{output}->is_status(value => $exit, compare => 'ok', litteral => 1) || ($multiple == 0)) {
$self->{output}->output_add(severity => $exit,
short_msg => sprintf("Storage '%s' Total: %s Used: %s (%.2f%%) Free: %s (%.2f%%)", $name_storage,
$total_size_value . " " . $total_size_unit,
$total_used_value . " " . $total_used_unit, $prct_used,
$total_free_value . " " . $total_free_unit, $prct_free));
}
my $label = 'used';
my $value_perf = $total_used;
if (defined($self->{option_results}->{free})) {
$label = 'free';
$value_perf = $total_free;
}
my $extra_label = '';
$extra_label = '_' . $name_storage if ($multiple == 1);
my %total_options = ();
if ($self->{option_results}->{units} eq '%') {
$total_options{total} = $total_size - $reserved_value;
$total_options{cast_int} = 1;
}
$self->{output}->perfdata_add(label => $label . $extra_label, unit => 'B',
value => $value_perf,
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning', %total_options),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical', %total_options),
min => 0, max => int($total_size - $reserved_value));
$self->{storage}->{$_} = {
display => $name_storage,
allocation_units => $result->{$oid_hrStorageAllocationUnits . "." . $_},
size => $result->{$oid_hrStorageSize . "." . $_},
used => $result->{$oid_hrStorageUsed . "." . $_},
};
}
if (scalar(keys %{$self->{storage}}) <= 0) {
$self->{output}->add_option_msg(short_msg => "Issue with storage information (see details)");
$self->{output}->option_exit();
}
$self->{output}->display();
$self->{output}->exit();
}
sub reload_cache {
@ -311,11 +337,11 @@ sub filter_type {
return 0;
}
sub manage_selection {
sub get_selection {
my ($self, %options) = @_;
# init cache file
my $has_cache_file = $self->{statefile_cache}->read(statefile => 'cache_snmpstandard_' . $self->{hostname} . '_' . $self->{snmp_port} . '_' . $self->{mode});
my $has_cache_file = $self->{statefile_cache}->read(statefile => 'cache_snmpstandard_' . $self->{snmp}->get_hostname() . '_' . $self->{snmp}->get_port() . '_' . $self->{mode});
if (defined($self->{option_results}->{show_cache})) {
$self->{output}->add_option_msg(long_msg => $self->{statefile_cache}->get_string_content());
$self->{output}->option_exit();
@ -382,11 +408,11 @@ __END__
=over 8
=item B<--warning>
=item B<--warning-usage>
Threshold warning.
=item B<--critical>
=item B<--critical-usage>
Threshold critical.