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<?php |
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/* |
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* This file is part of the PHPProm package. |
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* |
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* (c) Philip Lehmann-Böhm <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace PHPProm; |
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use PHPProm\Storage\AbstractStorage; |
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class PrometheusExport { |
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protected function getHeader($type, $metric, $label) { |
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$header = ''; |
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if ($label !== null) { |
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$header .= '# '.$type.' '.$metric.' '.$label."\n"; |
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} |
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return $header; |
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} |
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public function getMetric($metric, $label, array $labelsToValues, $help = null, $type = null) { |
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$result = $this->getHeader('HELP', $metric, $help); |
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$result .= $this->getHeader('TYPE', $metric, $type); |
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$result .= implode("\n", array_map(function($value, $labelValue) use ($metric, $label) { |
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return $metric.'{'.$label.'="'.$labelValue.'"} '.$value; |
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}, $labelsToValues, array_keys($labelsToValues))); |
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return $result."\n"; |
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} |
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public function getExport(AbstractStorage $storage, $keys) { |
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$export = ''; |
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foreach ($storage->getAvailableMetrics() as $availableMetric) { |
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$measurements = $storage->getMeasurements($availableMetric['storagePrefix'], $keys, $availableMetric['defaultValue']); |
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$export .= $this->getMetric($availableMetric['metric'], $availableMetric['label'], $measurements, $availableMetric['help'], $availableMetric['type']); |
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} |
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return $export; |
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} |
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} |
philiplb /
PHPProm
This check looks for multiple assignments in successive lines of code. It will report an issue if the operators are not in a straight line.
To visualize
will produce issues in the first and second line, while this second example
will produce no issues.