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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\MetricAwareResult; |
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use Leankoala\HealthFoundation\Check\Result; |
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class NumberProcessesCheck implements Check |
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{ |
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const IDENTIFIER = 'base:system:numberProcesses'; |
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private $processName; |
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private $maxNumber; |
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private $minNumber; |
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public function init($processName, $maxNumber, $minNumber = 0) |
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{ |
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$this->processName = $processName; |
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$this->maxNumber = $maxNumber; |
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$this->minNumber = $minNumber; |
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} |
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public function run() |
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{ |
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$command = 'ps ax | grep -a "' . $this->processName . '" | wc -l'; |
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exec($command, $output); |
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$count = (int)$output[0] - 2; |
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if ($count > $this->maxNumber) { |
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$result = new MetricAwareResult(Result::STATUS_FAIL, 'Too many processes found "' . $this->processName . '" (current: ' . $count . ', expected < ' . $this->maxNumber . ').'); |
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} elseif ($count < $this->minNumber) { |
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$result = new MetricAwareResult(Result::STATUS_FAIL, 'Too few processes found "' . $this->processName . '" (current: ' . $count . ' , expected > ' . $this->maxNumber . ').'); |
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} else { |
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$result = new MetricAwareResult(Result::STATUS_PASS, 'Number of processes "' . $this->processName . '" was within limits. Current number is ' . $count . '.'); |
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} |
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$result->setMetric($count, 'process'); |
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$result->setLimit($this->maxNumber); |
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$result->setLimitType(MetricAwareResult::LIMIT_TYPE_MAX); |
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$result->setObservedValuePrecision(0); |
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return $result; |
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} |
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public function getIdentifier() |
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{ |
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return self::IDENTIFIER . ':' . md5($this->processName); |
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} |
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} |
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Leankoala /
HealthFoundation
