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Metrics and http probes have been added (#3)
* Added vendor to gitignore * Added metrics module for deployments * Added concurency for metrics and delete service * Run metrics and cleanup services concurently, modify helm charts * Changed chart and app versions to 0.1.0 * Modyfied README --------- Co-authored-by: Valentin Khramtsov <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| apiVersion: v1 | ||
| kind: Service | ||
| metadata: | ||
| name: {{ .Release.Name }} | ||
| namespace: {{ .Release.Namespace }} | ||
| labels: | ||
| {{- include "charts.labels" . | nindent 4 }} | ||
| annotations: | ||
| {{- toYaml .Values.service.annotations | nindent 4 }} | ||
| spec: | ||
| type: {{ .Values.service.type }} | ||
| ports: | ||
| - port: {{ .Values.service.port }} | ||
| targetPort: {{ .Values.service.port }} | ||
| protocol: TCP | ||
| name: "metrics" | ||
| selector: | ||
| {{- include "charts.selectorLabels" . | nindent 4 }} |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| package metrics | ||
|
|
||
| import ( | ||
| "context" | ||
| "log" | ||
| "sync" | ||
| "time" | ||
|
|
||
| "github.com/prometheus/client_golang/prometheus" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/client-go/kubernetes" | ||
| ) | ||
|
|
||
| var ( | ||
| mutex = sync.Mutex{} | ||
| ) | ||
|
|
||
| func FetchAndUpdateDeploymentMetrics( | ||
| ctx context.Context, | ||
| clientset *kubernetes.Clientset, | ||
| namespace string, | ||
| deploymentMetrics *prometheus.GaugeVec) { | ||
| secrets, err := clientset.CoreV1().Secrets(namespace).List(ctx, metav1.ListOptions{}) | ||
| if err != nil { | ||
| log.Println("Error fetching secrets:", err) | ||
| return | ||
| } | ||
|
|
||
| mutex.Lock() | ||
| defer mutex.Unlock() | ||
|
|
||
| for _, secret := range secrets.Items { | ||
| if secret.Type != "helm.sh/release.v1" || secret.Labels["version"] != "1" { | ||
| continue | ||
| } | ||
| deploymentMetrics.WithLabelValues(secret.Labels["name"]).Set(float64(time.Now().Sub(secret.CreationTimestamp.Time).Seconds())) | ||
| } | ||
| } |