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<?php |
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namespace Triadev\PrometheusExporter; |
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use Prometheus\PushGateway; |
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use Triadev\PrometheusExporter\Contract\PrometheusExporterContract; |
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use Prometheus\CollectorRegistry; |
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use Prometheus\MetricFamilySamples; |
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use Prometheus\Exception\MetricNotFoundException; |
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class PrometheusExporter implements PrometheusExporterContract |
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{ |
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/** |
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* @var CollectorRegistry |
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*/ |
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private $registry; |
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/** |
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* LpeManager constructor. |
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* |
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* @param CollectorRegistry $registry |
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*/ |
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public function __construct(CollectorRegistry $registry) |
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{ |
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$this->registry = $registry; |
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} |
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/** |
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* Get metric family samples |
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* |
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* @return MetricFamilySamples[] |
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*/ |
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public function getMetricFamilySamples() |
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{ |
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return $this->registry->getMetricFamilySamples(); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function incCounter($name, $help, $namespace = null, array $labelKeys = [], array $labelValues = []) |
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{ |
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$namespace = $this->getNamespace($namespace); |
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try { |
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$counter = $this->registry->getCounter($namespace, $name); |
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} catch (MetricNotFoundException $e) { |
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$counter = $this->registry->registerCounter($namespace, $name, $help, $labelKeys); |
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} |
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$counter->inc($labelValues); |
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$this->pushGateway($this->registry, 'inc'); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function incByCounter( |
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$name, |
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$help, |
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$value, |
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$namespace = null, |
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array $labelKeys = [], |
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array $labelValues = [] |
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) { |
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$namespace = $this->getNamespace($namespace); |
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try { |
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$counter = $this->registry->getCounter($namespace, $name); |
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} catch (MetricNotFoundException $e) { |
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$counter = $this->registry->registerCounter($namespace, $name, $help, $labelKeys); |
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} |
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$counter->incBy($value, $labelValues); |
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$this->pushGateway($this->registry, 'incBy'); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function setGauge($name, $help, $value, $namespace = null, array $labelKeys = [], array $labelValues = []) |
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{ |
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$namespace = $this->getNamespace($namespace); |
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try { |
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$gauge = $this->registry->getGauge($namespace, $name); |
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} catch (MetricNotFoundException $e) { |
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$gauge = $this->registry->registerGauge($namespace, $name, $help, $labelKeys); |
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} |
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$gauge->set($value, $labelValues); |
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$this->pushGateway($this->registry, 'gauge'); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function incGauge($name, $help, $namespace = null, array $labelKeys = [], array $labelValues = []) |
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{ |
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$namespace = $this->getNamespace($namespace); |
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try { |
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$gauge = $this->registry->getGauge($namespace, $name); |
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} catch (MetricNotFoundException $e) { |
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$gauge = $this->registry->registerGauge($namespace, $name, $help, $labelKeys); |
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} |
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$gauge->inc($labelValues); |
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$this->pushGateway($this->registry, 'inc'); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function incByGauge( |
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$name, |
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$help, |
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$value, |
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$namespace = null, |
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array $labelKeys = [], |
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array $labelValues = [] |
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) { |
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$namespace = $this->getNamespace($namespace); |
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try { |
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$gauge = $this->registry->getGauge($namespace, $name); |
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} catch (MetricNotFoundException $e) { |
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$gauge = $this->registry->registerGauge($namespace, $name, $help, $labelKeys); |
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} |
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$gauge->incBy($value, $labelValues); |
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$this->pushGateway($this->registry, 'incBy'); |
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} |
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139
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/** |
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140
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* @inheritdoc |
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141
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*/ |
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public function setHistogram( |
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$name, |
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$help, |
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$value, |
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$namespace = null, |
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array $labelKeys = [], |
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array $labelValues = [], |
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?array $buckets = null |
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150
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) { |
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$namespace = $this->getNamespace($namespace); |
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153
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try { |
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$histogram = $this->registry->getHistogram($namespace, $name); |
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} catch (MetricNotFoundException $e) { |
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$histogram = $this->registry->registerHistogram($namespace, $name, $help, $labelKeys, $buckets); |
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} |
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$histogram->observe($value, $labelValues); |
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$this->pushGateway($this->registry, 'histogram'); |
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} |
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2 |
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private function getNamespace(?string $namespace = null) : string |
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165
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{ |
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166
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if (!$namespace) { |
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$namespace = config('prometheus-exporter.namespace'); |
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} |
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return $namespace; |
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} |
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private function pushGateway(CollectorRegistry $registry, string $job, ?array $groupingKey = null) |
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174
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{ |
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175
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if (config('prometheus-exporter.adapter') == 'push') { |
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$pushGateway = new PushGateway(config('prometheus-exporter.push_gateway.address')); |
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$pushGateway->push( |
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$registry, |
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$job, |
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$groupingKey |
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); |
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} |
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} |
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185
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} |
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triadev /
LaravelPrometheusExporter
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