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<?php |
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namespace Leankoala\HealthFoundation\Check\System\Process; |
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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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/** |
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* Class LineCountCheck |
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* |
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* @package Leankoala\HealthFoundation\Check\System\Process |
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* |
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* @author Nils Langner <[email protected]> |
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* created 2021-12-01 |
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*/ |
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class LineCountCheck implements Check |
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{ |
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private $command; |
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private $maxNumber; |
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private $minNumber; |
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private $filters; |
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public function init($command, $maxNumber = null, $minNumber = null, $filters = []) |
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{ |
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$this->command = $command; |
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$this->maxNumber = $maxNumber; |
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$this->minNumber = $minNumber; |
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$this->filters = $filters; |
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} |
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public function run() |
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{ |
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$filterString = ''; |
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foreach ($this->filters as $filter) { |
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$filterString .= '| grep -a "' . $filter . '"'; |
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} |
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$command = $this->command . ' ' . $filterString . ' | wc -l'; |
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exec($command, $output); |
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$count = (int)$output[0]; |
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if ($this->maxNumber && $count > $this->maxNumber) { |
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$result = new MetricAwareResult(Result::STATUS_FAIL, 'Too many lines found "' . $this->command . '" (current: ' . $count . ', expected < ' . $this->maxNumber . ').'); |
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} elseif ($this->minNumber && $count < $this->minNumber) { |
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$result = new MetricAwareResult(Result::STATUS_FAIL, 'Too few processes found "' . $this->command . '" (current: ' . $count . ' , expected >= ' . $this->minNumber . ').'); |
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} else { |
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$result = new MetricAwareResult(Result::STATUS_PASS, 'Number of processes "' . $this->command . '" 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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$result->setObservedValuePrecision(0); |
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$result->addAttribute('command', $command); |
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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 'base:system:process:lineCount'; |
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} |
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} |
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Leankoala /
HealthFoundation
