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<?php |
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namespace Leankoala\HealthFoundation\Check\System; |
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use Leankoala\HealthFoundation\Check\Check; |
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use Leankoala\HealthFoundation\Check\Result; |
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class UptimeCheck implements Check |
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{ |
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const IDENTIFIER = 'base:system:uptime'; |
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/** |
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* @var \DateInterval |
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*/ |
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private $dateInterval; |
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public function init($maxUptime) |
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{ |
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$this->dateInterval = \DateInterval::createFromDateString($maxUptime); |
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} |
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/** |
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* Checks if the server uptime is ok |
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* |
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* @return Result |
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*/ |
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public function run() |
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{ |
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try { |
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$uptime = $this->getUptime(); |
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if ($this->dateIntervalToSeconds($uptime) > $this->dateIntervalToSeconds($this->dateInterval)) { |
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return new Result(Result::STATUS_FAIL, 'Servers uptime is too high (' . $this->dateIntervalToString($uptime) . ')'); |
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} else { |
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return new Result(Result::STATUS_PASS, 'Servers uptime is ok (' . $this->dateIntervalToString($uptime) . ')'); |
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} |
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} catch (\Exception $e) { |
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return new Result(Result::STATUS_FAIL, 'Error: ' . $e->getMessage()); |
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} |
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} |
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/** |
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* @return \DateInterval |
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* @throws \Exception |
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*/ |
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private function getUptime() |
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{ |
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$uptimeTimestamp = \uptime(); |
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$systemStartDate = new \DateTime(date('Y-m-d H:i:s', (int)$uptimeTimestamp)); |
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$now = new \DateTime(); |
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$uptime = $systemStartDate->diff($now); |
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if ($uptime === false) { |
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throw new \RuntimeException('Uptime cannot be calculated.'); |
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} |
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return $uptime; |
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} |
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/** |
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* @param \DateInterval $dateInterval |
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* @return int |
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* @throws \Exception |
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*/ |
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private function dateIntervalToSeconds(\DateInterval $dateInterval) |
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{ |
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$reference = new \DateTimeImmutable; |
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$endTime = $reference->add($dateInterval); |
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return $endTime->getTimestamp() - $reference->getTimestamp(); |
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} |
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private function dateIntervalToString(\DateInterval $dateInterval) |
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{ |
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$string = ''; |
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if ($dateInterval->y > 0) { |
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$string .= $dateInterval->y . ' years '; |
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} |
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if ($dateInterval->d > 0) { |
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$string .= $dateInterval->d . ' days '; |
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} |
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if ($dateInterval->h > 0) { |
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$string .= $dateInterval->h . ' hours '; |
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} |
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if ($dateInterval->i > 0) { |
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$string .= $dateInterval->i . ' minutes '; |
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} |
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return trim($string); |
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} |
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public function getIdentifier() |
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{ |
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return self::IDENTIFIER; |
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} |
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} |
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Leankoala /
HealthFoundation
