feat: add metrics

templates/deployment.yaml

@@ -33,6 +33,18 @@ spec:
 {{- end }}
 {{- if .Values.env_secrets }}
         checksum/{{ template "app.fullname" $ }}-env: {{ include (print $.Template.BasePath "/secret-env.yaml") . | sha256sum }}
+{{- end }}
+{{- if .Values.metrics.enabled  }}
+{{- if .Values.metrics.prometheus.enabled }}
+        prometheus.io/scrape: '{{ .Values.metrics.prometheus.scrape }}'
+        prometheus.io/path: '{{ .Values.metrics.prometheus.path  | default .Values.metrics.path }}'
+        prometheus.io/port: '{{ .Values.metrics.prometheus.pod | default .Values.pod.port }}'
+        {{- if .Values.metrics.prometheus.health.enabled }}
+        prometheus.io/health: '{{  .Values.metrics.prometheus.health.enabled }}'
+        prometheus.io/health_path: '{{ .Values.metrics.prometheus.health.path |  default .Values.livenessProbe.url }}'
+        prometheus.io/health_port: '{{ .Values.metrics.prometheus.health.port  | default .Values.pod.port }}'
+        {{- end }}
+{{- end }}
 {{- end }}
     spec:
       {{- if .Values.serviceAccount.enabled }}

tests/metrics.yaml

@@ -0,0 +1,2 @@
+metrics:
+  enabled: true

values.yaml

@@ -185,6 +185,31 @@ serviceAccountSuffix:
 # Inject config maps
 inject_maps: []
 
+# service metrics configuration
+metrics:
+  # enable or disable metrics
+  enabled: false
+  # service metrics path
+  path: /q/metrics
+  # metrics prometheus configuration
+  prometheus:
+    # enable or disable prometheus configuration
+    enabled: true
+    # prometheus metrics default metrics.path
+    path:
+    # scrape prometheus metrics
+    scrape: true
+    # prometheus metrics pod port, default pod.port
+    pod:
+    # promehtues health metrics
+    health:
+      # enable or disable prometheus helth metrics
+      enabled: true
+      # service health path for prometheus default livenessProbe.url
+      path:
+      # service health port for prometheus default pod.port
+      port:
+
 # Database configuration
 db:
   # Enable or disable database connection