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centreon-plugins
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Refs #5499: Working on Varnish Plugin

This commit is contained in:
Florian Asche 2014-06-06 14:51:41 +02:00
parent 9967fe8f9a
commit 4ca173e6a4
1 changed files with 105 additions and 116 deletions
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221
apps/varnish/local/mode/cache.pm
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@ -40,6 +40,30 @@ use centreon::plugins::misc;
use centreon::plugins::statefile;
use Digest::MD5 qw(md5_hex);
my $maps_counters = {
cache_hit => { thresholds => {
warning_hit => { label => 'warning-hit', exit_value => 'warning' },
critical_hit => { label => 'critical-hit', exit_value => 'critical' },
},
output_msg => 'Cache Hits: %.2f',
factor => 1, unit => '',
},
cache_hitpass => { thresholds => {
warning_hitpass => { label => 'warning-hitpass', exit_value => 'warning' },
critical_hitpass => { label => 'critical-hitpass', exit_value => 'critical' },
},
output_msg => 'Cache Hits for pass: %.2f',
factor => 1, unit => '',
},
cache_miss => { thresholds => {
warning_miss => { label => 'warning-miss', exit_value => 'warning' },
critical_miss => { label => 'critical-miss', exit_value => 'critical' },
},
output_msg => 'Cache misses: %.2f',
factor => 1, unit => '',
},
};
sub new {
my ($class, %options) = @_;
my $self = $class->SUPER::new(package => __PACKAGE__, %options);
@ -47,63 +71,47 @@ sub new {
$self->{version} = '1.0';
$options{options}->add_options(arguments =>
{
"hostname:s" => { name => 'hostname' },
"remote" => { name => 'remote' },
"ssh-option:s@" => { name => 'ssh_option' },
"ssh-path:s" => { name => 'ssh_path' },
"ssh-command:s" => { name => 'ssh_command', default => 'ssh' },
"timeout:s" => { name => 'timeout', default => 30 },
"sudo" => { name => 'sudo' },
"command:s" => { name => 'command', default => 'varnishstat' },
"command-path:s" => { name => 'command_path', default => '/usr/bin/' },
"command-options:s" => { name => 'command_options', default => ' -1 ' },
"command-options2:s" => { name => 'command_options2', default => ' 2>&1' },
"warning-hit:s" => { name => 'warning_hit', default => '' },
"critical-hit:s" => { name => 'critical_hit', default => '' },
"warning-hitpass:s" => { name => 'warning_hitpass', default => '' },
"critical-hitpass:s" => { name => 'critical_hitpass', default => '' },
"warning-miss:s" => { name => 'warning_miss', default => '' },
"critical-miss:s" => { name => 'critical_miss', default => '' },
});
{
"hostname:s" => { name => 'hostname' },
"remote" => { name => 'remote' },
"ssh-option:s@" => { name => 'ssh_option' },
"ssh-path:s" => { name => 'ssh_path' },
"ssh-command:s" => { name => 'ssh_command', default => 'ssh' },
"timeout:s" => { name => 'timeout', default => 30 },
"sudo" => { name => 'sudo' },
"command:s" => { name => 'command', default => 'varnishstat' },
"command-path:s" => { name => 'command_path', default => '/usr/bin' },
"command-options:s" => { name => 'command_options', default => ' -1 ' },
"command-options2:s" => { name => 'command_options2', default => ' 2>&1' },
});
foreach (keys %{$maps_counters}) {
foreach my $name (keys %{$maps_counters->{$_}->{thresholds}}) {
$options{options}->add_options(arguments => {
$maps_counters->{$_}->{thresholds}->{$name}->{label} . ':s' => { name => $name },
});
};
};
$self->{instances_done} = {};
$self->{statefile_value} = centreon::plugins::statefile->new(%options);
return $self;
}
};
sub check_options {
my ($self, %options) = @_;
$self->SUPER::init(%options);
if (($self->{perfdata}->threshold_validate(label => 'warning-hit', value => $self->{option_results}->{warning_hit})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong warning-hit threshold '" . $self->{option_results}->{warning_hit} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'critical-hit', value => $self->{option_results}->{critical_hit})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong critical-hit threshold '" . $self->{option_results}->{critical_hit} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'warning-hitpass', value => $self->{option_results}->{warning_hitpass})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong warning-hitpass threshold '" . $self->{option_results}->{warning_hitpass} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'critical-hitpass', value => $self->{option_results}->{critical_hitpass})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong critical-hitpass threshold '" . $self->{option_results}->{critical_hitpass} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'warning-miss', value => $self->{option_results}->{warning_miss})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong warning-miss threshold '" . $self->{option_results}->{warning_miss} . "'.");
$self->{output}->option_exit();
}
if (($self->{perfdata}->threshold_validate(label => 'critical-miss', value => $self->{option_results}->{critical_miss})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong critical-miss threshold '" . $self->{option_results}->{critical_miss} . "'.");
$self->{output}->option_exit();
}
foreach (keys %{$maps_counters}) {
foreach my $name (keys %{$maps_counters->{$_}->{thresholds}}) {
if (($self->{perfdata}->threshold_validate(label => $maps_counters->{$_}->{thresholds}->{$name}->{label}, value => $self->{option_results}->{$name})) == 0) {
$self->{output}->add_option_msg(short_msg => "Wrong " . $maps_counters->{$_}->{thresholds}->{$name}->{label} . " threshold '" . $self->{option_results}->{$name} . "'.");
$self->{output}->option_exit();
};
};
};
$self->{statefile_value}->check_options(%options);
}
};
#my $stdout = '
#cache_hit 69941 0.00 Cache hits
@ -144,61 +152,62 @@ sub run {
$self->{statefile_value}->read(statefile => 'cache_apps_varnish' . '_' . $self->{mode} . '_' . (defined($self->{option_results}->{name}) ? md5_hex($self->{option_results}->{name}) : md5_hex('all')));
$self->{result}->{last_timestamp} = time();
my $old_timestamp = $self->{statefile_value}->get(name => 'last_timestamp');
my $old_cache_hit = $self->{statefile_value}->get(name => 'cache_hit');
my $old_cache_hitpass = $self->{statefile_value}->get(name => 'cache_hitpass');
my $old_cache_miss = $self->{statefile_value}->get(name => 'cache_miss');
# Calculate
my $delta_time = $self->{result}->{last_timestamp} - $old_timestamp;
$delta_time = 1 if ($delta_time == 0); # One seconds ;)
foreach (keys %{$maps_counters}) {
#print $_ . "\n";
$self->{old_cache}->{$_} = $self->{statefile_value}->get(name => '$_'); # Get Data from Cache
$self->{old_cache}->{$_} = 0 if ( $self->{old_cache}->{$_} > $self->{result}->{$_} );
$self->{outputdata}->{$_} = ($self->{result}->{$_} - $self->{old_cache}->{$_}) / $delta_time;
};
# Write Cache if not there
$self->{statefile_value}->write(data => $self->{result});
if (!defined($old_timestamp) || !defined($old_cache_hit)) {
if (!defined($old_timestamp)) {
$self->{output}->output_add(severity => 'OK',
short_msg => "Buffer creation...");
$self->{output}->display();
$self->{output}->exit();
}
# Set 0 if Cache > Result
$old_cache_hit = 0 if ($old_cache_hit > $self->{result}->{cache_hit} );
$old_cache_hitpass = 0 if ($old_hitpass > $self->{result}->{cache_hitpass});
$old_cache_miss = 0 if ($old_miss > $self->{result}->{cache_miss});
my @exits;
foreach (keys %{$maps_counters}) {
foreach my $name (keys %{$maps_counters->{$_}->{thresholds}}) {
push @exits, $self->{perfdata}->threshold_check(value => $self->{outputdata}->{$_}, threshold => [ { label => $maps_counters->{$_}->{thresholds}->{$name}->{label}, 'exit_litteral' => $maps_counters->{$_}->{thresholds}->{$name}->{exit_value} }]);
}
}
# Calculate
my $delta_time = $self->{result}->{last_timestamp} - $old_timestamp;
$delta_time = 1 if ($delta_time == 0); # One seconds ;)
my $cache_hit = ($self->{result}->{cache_hit} - $old_cache_hit) / $delta_time;
my $cache_hitpass = ($self->{result}->{cache_hitpass} - $old_cache_hitpass) / $delta_time;
my $cache_miss = ($self->{result}->{cache_miss} - $old_cache_miss) / $delta_time;
my $exit = $self->{output}->get_most_critical(status => [ @exits ]);
my $exit1 = $self->{perfdata}->threshold_check(value => $cache_hit, threshold => [ { label => 'critical-hit', 'exit_litteral' => 'critical' }, { label => 'warning-hit', exit_litteral => 'warning' } ]);
my $exit2 = $self->{perfdata}->threshold_check(value => $cache_hitpass, threshold => [ { label => 'critical-hitpass', 'exit_litteral' => 'critical' }, { label => 'warning-hitpass', exit_litteral => 'warning' } ]);
my $exit3 = $self->{perfdata}->threshold_check(value => $cache_miss, threshold => [ { label => 'critical-miss', 'exit_litteral' => 'critical' }, { label => 'warning-miss', exit_litteral => 'warning' } ]);
my $exit = $self->{output}->get_most_critical(status => [ $exit1, $exit2, $exit3 ]);
my $extra_label = '';
$extra_label = '_' . $instance_output if ($num > 1);
my $str_output = "";
my $str_append = '';
foreach (keys %{$maps_counters}) {
$str_output .= $str_append . sprintf($maps_counters->{$_}->{output_msg}, $self->{outputdata}->{$_} * $maps_counters->{$_}->{factor});
$str_append = ', ';
my ($warning, $critical);
foreach my $name (keys %{$maps_counters->{$_}->{thresholds}}) {
$warning = $self->{perfdata}->get_perfdata_for_output(label => $maps_counters->{$_}->{thresholds}->{$name}->{label}) if ($maps_counters->{$_}->{thresholds}->{$name}->{exit_value} eq 'warning');
$critical = $self->{perfdata}->get_perfdata_for_output(label => $maps_counters->{$_}->{thresholds}->{$name}->{label}) if ($maps_counters->{$_}->{thresholds}->{$name}->{exit_value} eq 'critical');
}
$self->{output}->perfdata_add(label => $_ . $extra_label, unit => $maps_counters->{$_}->{unit},
value => sprintf("%.2f", $self->{outputdata}->{$_} * $maps_counters->{$_}->{factor}),
warning => $warning,
critical => $critical);
}
$self->{output}->output_add(severity => $exit,
short_msg => sprintf("Cache Hits: %.2f Cache Hits for pass: %.2f Cache misses: %.2f ",
$cache_hit,
$cache_hitpass,
$cache_miss,
));
short_msg => $str_output);
$self->{output}->perfdata_add(label => "cache_hit",
value => $cache_hit,
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-hit'),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-hit'),
min => 0
);
$self->{output}->perfdata_add(label => "cache_hitpass",
value => $cache_hitpass,
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-hitpass'),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-hitpass'),
min => 0
);
$self->{output}->perfdata_add(label => "cache_miss",
value => $cache_miss,
warning => $self->{perfdata}->get_perfdata_for_output(label => 'warning-miss'),
critical => $self->{perfdata}->get_perfdata_for_output(label => 'critical-miss'),
min => 0
);
$self->{output}->display();
$self->{output}->exit();
@ -211,11 +220,7 @@ __END__
=head1 MODE
Check Varnish Cache with varnishstat Command
This Mode Checks:
- Cache hits
- Cache hits for pass
- Cache misses
Check Varnish Cache with varnishstat Command for: Cache hits, Cache hits for pass, Cache misses
=over 8
@ -243,29 +248,13 @@ Directory Path to Varnishstat Binary File (Default: /usr/bin/)
Parameter for Binary File (Default: ' -1 ')
=item B<--warning-hit>
=item B<--warning-*>
Warning Threshold for Cache Hits
Warning Threshold for: hit => Cache Hits, hitpass => Cache hits for Pass, miss => Cache Misses
=item B<--critical-hit>
=item B<--critical-*>
Critical Threshold for Cache Hits
=item B<--warning-hitpass>
Warning Threshold for Cache hits for Pass
=item B<--critical-hitpass>
Critical Threshold for Cache hits for Pass
=item B<--warning-miss>
Warning Threshold for Cache Misses
=item B<--critical-miss>
Critical Threshold for Cache Misses
Warning Threshold for: hit => Cache Hits, hitpass => Cache hits for Pass, miss => Cache Misses
=back