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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| prometheus: | ||
| enabled: true | ||
| prometheusSpec: | ||
| additionalScrapeConfigs: | ||
| - job_name: beam-pods | ||
| metrics_path: /metrics | ||
| scheme: http | ||
| honor_labels: true | ||
| scrape_timeout: 10s | ||
| scrape_interval: 15s | ||
| enable_http2: true | ||
| follow_redirects: true | ||
| kubernetes_sd_configs: | ||
| - role: pod | ||
| namespaces: | ||
| names: | ||
| - beam | ||
| relabel_configs: | ||
| - source_labels: [__meta_kubernetes_pod_label_prometheus_io_scrape] | ||
| action: keep | ||
| regex: true | ||
| - source_labels: [__meta_kubernetes_pod_container_port_number] | ||
| action: keep | ||
| regex: 9090 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| package repository | ||
|
|
||
| import ( | ||
| "context" | ||
| "log" | ||
| "time" | ||
|
|
||
| "github.com/labstack/echo/v4" | ||
| "github.com/labstack/echo/v4/middleware" | ||
| "github.com/prometheus/client_golang/prometheus" | ||
| "github.com/prometheus/client_golang/prometheus/collectors" | ||
| "github.com/prometheus/client_golang/prometheus/promauto" | ||
| "github.com/prometheus/client_golang/prometheus/promhttp" | ||
| ) | ||
|
|
||
| var PrometheusMetricsAddress = "0.0.0.0:9090" | ||
|
|
||
| type PrometheusRepository struct { | ||
| registry *prometheus.Registry | ||
| registeredMetrics map[string]prometheus.Collector | ||
| ctx *context.Context | ||
| enabled bool | ||
| } | ||
|
|
||
| func NewMetricsPrometheusRepository(enabled bool) *PrometheusRepository { | ||
| if !enabled { | ||
| return &PrometheusRepository{ | ||
| enabled: false, | ||
| } | ||
| } | ||
|
|
||
| reg := prometheus.NewRegistry() | ||
| reg.MustRegister( | ||
| collectors.NewGoCollector(), // Metrics from Go runtime. | ||
| collectors.NewProcessCollector(collectors.ProcessCollectorOpts{}), // Metrics about the current UNIX process. | ||
| ) | ||
|
|
||
| return &PrometheusRepository{ | ||
| registry: reg, | ||
| registeredMetrics: map[string]prometheus.Collector{}, | ||
| enabled: true, | ||
| } | ||
| } | ||
|
|
||
| func (r *PrometheusRepository) Init() error { | ||
| if !r.enabled { | ||
| return nil | ||
| } | ||
|
|
||
| prometheusServer := echo.New() | ||
| prometheusServer.HideBanner = true | ||
| prometheusServer.HidePort = true | ||
|
|
||
| prometheusServer.Use(middleware.Recover()) | ||
|
|
||
| prometheusServer.GET("/metrics", echo.WrapHandler(promhttp.HandlerFor(r.registry, promhttp.HandlerOpts{ | ||
| EnableOpenMetrics: true, | ||
| }))) | ||
|
|
||
| log.Printf("Starting Prometheus metrics server at %s\n", PrometheusMetricsAddress) | ||
|
|
||
| return prometheusServer.Start(PrometheusMetricsAddress) | ||
| } | ||
|
|
||
| func (r *PrometheusRepository) ContainerDurationSeconds(containerId string, workerId string, duration time.Duration) { | ||
| if !r.enabled { | ||
| return | ||
| } | ||
|
|
||
| var metricName = "container_duration_seconds" | ||
| var collector prometheus.Collector | ||
| collector, exists := r.registeredMetrics[metricName] | ||
|
|
||
| if !exists { | ||
| collector = promauto.With(r.registry).NewGaugeVec( | ||
| prometheus.GaugeOpts{ | ||
| Name: metricName, | ||
| }, | ||
| []string{"container_id", "worker_id"}, | ||
| ) | ||
|
|
||
| r.registeredMetrics[metricName] = collector | ||
| } | ||
|
|
||
| handle := collector.(*prometheus.GaugeVec) | ||
| handle.WithLabelValues(containerId, workerId).Add(duration.Seconds()) | ||
| } |
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