[FEATURE] helm: Monitoring options added

Enable optional monitoring based on metrics implementation for controller & server.

Bump up version before release.

chart/Chart.yaml

@@ -1,5 +1,5 @@
 apiVersion: v2
 description: Helm chart to deploy CAP Operator https://sap.github.io/cap-operator/
 name: cap-operator
-version: 0.10.2
-appVersion: 0.10.0
+version: 0.11.0
+appVersion: 0.11.0

chart/README.md

@@ -1,6 +1,6 @@
 # cap-operator
 
-![Version: 0.10.1](https://img.shields.io/badge/Version-0.10.1-informational?style=flat-square) ![AppVersion: 0.10.0](https://img.shields.io/badge/AppVersion-0.10.0-informational?style=flat-square)
+![Version: 0.11.0](https://img.shields.io/badge/Version-0.11.0-informational?style=flat-square) ![AppVersion: 0.11.0](https://img.shields.io/badge/AppVersion-0.11.0-informational?style=flat-square)
 
 Helm chart to deploy CAP Operator https://sap.github.io/cap-operator/
 
@@ -19,6 +19,8 @@ Helm chart to deploy CAP Operator https://sap.github.io/cap-operator/
 | topologySpreadConstraints | list | `[]` | Default topology spread constraints (can be overwritten on component level) |
 | podLabels | object | `{}` | Additional pod labels for all components |
 | podAnnotations | object | `{}` | Additional pod annotations for all components |
+| monitoring | object | `{"enabled":false}` | Monitoring configuration for all components |
+| monitoring.enabled | bool | `false` | Optionally enable Prometheus monitoring for all components (disabled by default) |
 | controller.replicas | int | `1` | Replicas |
 | controller.image.repository | string | `"ghcr.io/sap/cap-operator/controller"` | Image repository |
 | controller.image.tag | string | `""` | Image tag |

chart/templates/controller-deployment.yaml

@@ -95,4 +95,45 @@ spec:
           volumeMounts:
             {{- toYaml . | nindent 12 }}
           {{- end }}
+          ports:
+            - name: metrics-port
+              containerPort: 9090
+              protocol: TCP
       serviceAccountName: {{.Release.Name}}-controller
+---
+kind: Service
+apiVersion: v1
+metadata:
+  name: {{.Release.Name}}-controller
+  labels:
+    operator.sme.sap.com/app: controller
+    operator.sme.sap.com/category: controller
+    operator.sme.sap.com/release: {{.Release.Name}}
+spec:
+  ports:
+    - name: metrics-http
+      protocol: TCP
+      port: 9090
+      targetPort: metrics-port
+  selector:
+    operator.sme.sap.com/app: subscription-server
+    operator.sme.sap.com/category: controller
+    operator.sme.sap.com/release: {{.Release.Name}}
+---
+{{- if .Values.monitoring.enabled }}
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: {{.Release.Name}}-controller
+  labels:
+    operator.sme.sap.com/app: controller
+    operator.sme.sap.com/category: controller
+    operator.sme.sap.com/release: {{.Release.Name}}
+spec:
+  selector:
+    matchLabels:
+      operator.sme.sap.com/app: controller
+      operator.sme.sap.com/category: controller
+  endpoints:
+  - port: metrics-http
+{{- end }}

chart/templates/server-deployment.yaml

@@ -77,6 +77,9 @@ spec:
             - name: server-port
               containerPort: 4000
               protocol: TCP
+            - name: metrics-port
+              containerPort: 9090
+              protocol: TCP
       serviceAccountName: {{.Release.Name}}-subscription-server
 ---
 kind: Service
@@ -93,7 +96,29 @@ spec:
       protocol: TCP
       port: {{.Values.subscriptionServer.port}}
       targetPort: server-port
+    - name: metrics-http
+      protocol: TCP
+      port: 9090
+      targetPort: metrics-port
   selector:
     operator.sme.sap.com/app: subscription-server
     operator.sme.sap.com/category: controller
     operator.sme.sap.com/release: {{.Release.Name}}
+---
+{{- if .Values.monitoring.enabled }}
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: {{.Release.Name}}-subscription-server
+  labels:
+    operator.sme.sap.com/app: subscription-server
+    operator.sme.sap.com/category: controller
+    operator.sme.sap.com/release: {{.Release.Name}}
+spec:
+  selector:
+    matchLabels:
+      operator.sme.sap.com/app: subscription-server
+      operator.sme.sap.com/category: controller
+  endpoints:
+  - port: metrics-http
+{{- end }}

chart/values.yaml

@@ -21,6 +21,10 @@ topologySpreadConstraints: []
 podLabels: {}
 # -- Additional pod annotations for all components
 podAnnotations: {}
+# -- Monitoring configuration for all components
+monitoring:
+  # -- Optionally enable Prometheus monitoring for all components (disabled by default)
+  enabled: false
 
 controller:
   # -- Replicas