monitoring: Provide health hook
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<?php
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/* Icinga Web 2 | (c) 2021 Icinga GmbH | GPLv2+ */
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namespace Icinga\Module\Monitoring\ProvidedHook;
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use Icinga\Application\Hook\HealthHook;
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use Icinga\Date\DateFormatter;
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use Icinga\Module\Monitoring\Backend;
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use ipl\Web\Url;
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class Health extends HealthHook
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{
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/** @var object */
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protected $programStatus;
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public function getName()
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{
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return 'Icinga';
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}
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public function getUrl()
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{
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return Url::fromPath('monitoring/health/info');
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}
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public function checkHealth()
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{
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$backendName = Backend::instance()->getName();
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$programStatus = $this->getProgramStatus();
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if ($programStatus === false) {
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$this->setState(self::STATE_UNKNOWN);
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$this->setMessage(sprintf(t('%s is currently not up and running'), $backendName));
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return;
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}
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if ($programStatus->is_currently_running) {
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$this->setState(self::STATE_OK);
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$this->setMessage(sprintf(
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t(
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'%1$s has been up and running with PID %2$d %3$s',
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'Last format parameter represents the time running'
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),
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$backendName,
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$programStatus->process_id,
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DateFormatter::timeSince($programStatus->program_start_time)
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));
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} else {
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$this->setState(self::STATE_CRITICAL);
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$this->setMessage(sprintf(t('Backend %s is not running'), $backendName));
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}
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$this->setMetrics((array) $programStatus);
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}
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protected function getProgramStatus()
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{
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if ($this->programStatus === null) {
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$this->programStatus = Backend::instance()->select()
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->from('programstatus', [
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'program_version',
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'status_update_time',
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'program_start_time',
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'program_end_time',
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'endpoint_name',
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'is_currently_running',
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'process_id',
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'last_command_check',
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'last_log_rotation',
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'notifications_enabled',
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'active_service_checks_enabled',
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'active_host_checks_enabled',
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'event_handlers_enabled',
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'flap_detection_enabled',
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'process_performance_data'
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])
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->fetchRow();
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}
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return $this->programStatus;
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}
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}
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@ -4,4 +4,5 @@
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/** @var $this \Icinga\Application\Modules\Module */
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$this->provideHook('ApplicationState');
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$this->provideHook('Health');
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$this->provideHook('X509/Sni');
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