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Fix #1419

This commit is contained in:
garnier-quentin 2019-03-15 11:12:07 +01:00
parent 68ed1a9fed
commit 23fa40120f
1 changed files with 59 additions and 52 deletions
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101
database/oracle/mode/datacachehitratio.pm
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@ -20,75 +20,82 @@
package database::oracle::mode::datacachehitratio; package database::oracle::mode::datacachehitratio;
use base qw(centreon::plugins::mode); use base qw(centreon::plugins::templates::counter);
use strict; use strict;
use warnings; use warnings;
use Digest::MD5 qw(md5_hex);
sub custom_hitratio_calc {
my ($self, %options) = @_;
my $delta_read = ($options{new_datas}->{$self->{instance} . '_physical_reads'} - $options{old_datas}->{$self->{instance} . '_physical_reads'}) -
($options{new_datas}->{$self->{instance} . '_physical_reads_direct'} - $options{old_datas}->{$self->{instance} . '_physical_reads_direct'}) -
($options{new_datas}->{$self->{instance} . '_physical_reads_direct_lob'} - $options{old_datas}->{$self->{instance} . '_physical_reads_direct_lob'});
my $delta_slr = $options{new_datas}->{$self->{instance} . '_session_logical_reads'} - $options{old_datas}->{$self->{instance} . '_session_logical_reads'};
$self->{result_values}->{hit_ratio} = ($delta_slr == 0) ? 0 : (100 - 100 * $delta_read / $delta_slr);
return 0;
}
sub set_counters {
my ($self, %options) = @_;
$self->{maps_counters_type} = [
{ name => 'global', type => 0 },
];
$self->{maps_counters}->{global} = [
{ label => 'usage', set => {
key_values => [ { name => 'physical_reads', diff => 1 }, { name => 'physical_reads_direct', diff => 1 },
{ name => 'physical_reads_direct_lob', diff => 1 }, { name => 'session_logical_reads', diff => 1 } ],
closure_custom_calc => $self->can('custom_hitratio_calc'),
output_template => 'Buffer cache hit ratio is %.2f%%', output_error_template => 'Buffer cache hit ratio: %s',
output_use => 'hit_ratio', threshold_use => 'hit_ratio',
perfdatas => [
{ label => 'sga_data_buffer_hit_ratio', value => 'hit_ratio', template => '%.2f', min => 0, max => 100, unit => '%' },
],
}
},
];
}
sub new { sub new {
my ($class, %options) = @_; my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options); my $self = $class->SUPER::new(package => __PACKAGE__, %options, statefile => 1);
bless $self, $class; bless $self, $class;
$self->{version} = '1.0'; $self->{version} = '1.0';
$options{options}->add_options(arguments => $options{options}->add_options(arguments => {
{
"warning:s" => { name => 'warning', },
"critical:s" => { name => 'critical', },
}); });
return $self; return $self;
} }
sub check_options { sub manage_selection {
my ($self, %options) = @_; my ($self, %options) = @_;
$self->SUPER::init(%options);
if (($self->{perfdata}->threshold_validate(label => 'warning', value => $self->{option_results}->{warning})) == 0) { my $query = q{
$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} . "'.");
$self->{output}->option_exit();
}
}
sub run {
my ($self, %options) = @_;
# $options{sql} = sqlmode object
$self->{sql} = $options{sql};
$self->{sql}->connect();
$self->{sql}->query(query => q{
SELECT SUM(DECODE(name, 'physical reads', value, 0)), SELECT SUM(DECODE(name, 'physical reads', value, 0)),
SUM(DECODE(name, 'physical reads direct', value, 0)), SUM(DECODE(name, 'physical reads direct', value, 0)),
SUM(DECODE(name, 'physical reads direct (lob)', value, 0)), SUM(DECODE(name, 'physical reads direct (lob)', value, 0)),
SUM(DECODE(name, 'session logical reads', value, 0)) SUM(DECODE(name, 'session logical reads', value, 0))
FROM sys.v_$sysstat FROM sys.v_$sysstat
}); };
my $result = $self->{sql}->fetchall_arrayref();
my $physical_reads = @$result[0]->[0]; $options{sql}->connect();
my $physical_reads_direct = @$result[0]->[1]; $options{sql}->query(query => $query);
my $physical_reads_direct_lob = @$result[0]->[2]; my @result = $options{sql}->fetchrow_array();
my $session_logical_reads = @$result[0]->[3];
my $hitratio = 100 - 100 * (($physical_reads - $physical_reads_direct - $physical_reads_direct_lob) / $session_logical_reads); $self->{global} = {
physical_reads => $result[0],
physical_reads_direct => $result[1],
physical_reads_direct_lob => $result[2],
session_logical_reads => $result[3]
};
my $exit_code = $self->{perfdata}->threshold_check(value => $hitratio, threshold => [ { label => 'critical', 'exit_litteral' => 'critical' }, { label => 'warning', exit_litteral => 'warning' } ]); $self->{cache_name} = "oracle_" . $self->{mode} . '_' . $options{sql}->get_unique_id4save() . '_' .
$self->{output}->output_add(severity => $exit_code, (defined($self->{option_results}->{filter_counters}) ? md5_hex($self->{option_results}->{filter_counters}) : md5_hex('all'));
short_msg => sprintf("Buffer cache hit ratio is %.2f%%", $hitratio));
$self->{output}->perfdata_add(label => 'sga_data_buffer_hit_ratio',
value => sprintf("%d",$hitratio),
unit => '%',
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning'),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical'),
min => 0,
max => 100);
$self->{output}->display();
$self->{output}->exit();
} }
1; 1;
@ -101,11 +108,11 @@ Check Oracle buffer cache hit ratio.
=over 8 =over 8
=item B<--warning> =item B<--warning-usage>
Threshold warning. Threshold warning.
=item B<--critical> =item B<--critical-usage>
Threshold critical. Threshold critical.