OZG-6716 add service monitor test

src/main/helm/templates/_helpers.tpl

@@ -9,13 +9,16 @@ app.kubernetes.io/part-of: ozgcloud
 app.kubernetes.io/version: {{ .Chart.Version }}
 helm.sh/chart: {{ printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" }}
 app.kubernetes.io/component: bayernid-proxy
-component: bayernid-proxy
+{{- end -}}
+
+{{/* Namespace */}}
+{{- define "app.namespace" -}}
+{{- default .Release.Namespace | toString | trunc 63 | trimSuffix "-" -}}
 {{- end -}}
 
 {{- define "app.matchLabels" }}
 app.kubernetes.io/name: {{ .Release.Name }}
 app.kubernetes.io/namespace: {{ .Release.Namespace }}
-component: bayernid-proxy
 {{- end -}}
 
 {{- define "app.envSpringProfiles" }}

src/main/helm/templates/deployment.yaml

@@ -29,6 +29,7 @@ metadata:
   namespace: {{ .Release.Namespace }}
   labels:
     {{- include "app.defaultLabels" . | indent 4 }}
+    component: bayernid-proxy
 spec:
   progressDeadlineSeconds: 600
   replicas: {{ .Values.replicaCount }}
@@ -36,6 +37,7 @@ spec:
   selector:
     matchLabels:
       {{- include "app.matchLabels" . | indent 6 }}
+      component: bayernid-proxy
   strategy:
     rollingUpdate:
       maxSurge: 1
@@ -45,6 +47,7 @@ spec:
     metadata:
       labels:
         {{- include "app.defaultLabels" . | indent 8 }}
+        component: bayernid-proxy
     spec:  
       {{- if (.Values.serviceAccount).create }}
       serviceAccountName: {{ include "app.serviceAccountName" . }}

src/main/helm/templates/service.yaml

@@ -29,6 +29,7 @@ metadata:
   namespace: {{ .Release.Namespace }}
   labels:
     {{- include "app.defaultLabels" . | indent 4 }}
+    component: bayernid-proxy
 spec:
   type: ClusterIP
   ports:
@@ -40,3 +41,4 @@ spec:
       protocol: TCP
   selector:
     {{- include "app.matchLabels" . | indent 4 }}
+    component: bayernid-proxy

src/test/helm/service_monitor_test.yaml

+#
+# Copyright (C) 2022 Das Land Schleswig-Holstein vertreten durch den
+# Ministerpräsidenten des Landes Schleswig-Holstein
+# Staatskanzlei
+# Abteilung Digitalisierung und zentrales IT-Management der Landesregierung
+#
+# Lizenziert unter der EUPL, Version 1.2 oder - sobald
+# diese von der Europäischen Kommission genehmigt wurden -
+# Folgeversionen der EUPL ("Lizenz");
+# Sie dürfen dieses Werk ausschließlich gemäß
+# dieser Lizenz nutzen.
+# Eine Kopie der Lizenz finden Sie hier:
+#
+# https://joinup.ec.europa.eu/collection/eupl/eupl-text-eupl-12
+#
+# Sofern nicht durch anwendbare Rechtsvorschriften
+# gefordert oder in schriftlicher Form vereinbart, wird
+# die unter der Lizenz verbreitete Software "so wie sie
+# ist", OHNE JEGLICHE GEWÄHRLEISTUNG ODER BEDINGUNGEN -
+# ausdrücklich oder stillschweigend - verbreitet.
+# Die sprachspezifischen Genehmigungen und Beschränkungen
+# unter der Lizenz sind dem Lizenztext zu entnehmen.
+#
+
+suite: test service_monitor
+release:
+  name: bayernid-proxy
+  namespace: sh-helm-test
+templates:
+  - templates/service_monitor.yaml
+tests:
+  - it: should have basic info and the label component with value bayernid-proxy-service-monitor attached
+    asserts:
+      - isKind:
+          of: ServiceMonitor
+      - isAPIVersion:
+          of: monitoring.coreos.com/v1
+      - equal:
+          path: metadata.name
+          value: bayernid-proxy
+      - equal:
+          path: metadata.namespace
+          value: sh-helm-test
+      - equal:
+          path: metadata.labels["component"]
+          value: bayernid-proxy-service-monitor
+      
+  - it: should contain default lables and component lables
+    asserts:
+      - equal:
+          path: metadata.labels
+          value:
+            app.kubernetes.io/component: bayernid-proxy
+            app.kubernetes.io/instance: bayernid-proxy
+            app.kubernetes.io/managed-by: Helm
+            app.kubernetes.io/name: bayernid-proxy
+            app.kubernetes.io/namespace: sh-helm-test
+            app.kubernetes.io/part-of: ozgcloud
+            app.kubernetes.io/version: 0.0.0-MANAGED-BY-JENKINS
+            component: bayernid-proxy-service-monitor
+            helm.sh/chart: bayernid-proxy-0.0.0-MANAGED-BY-JENKINS
+
+  - it: should have the metrics endpoint configured by default
+    set:
+      env.springProfiles: oc,stage
+    asserts:
+      - contains:
+          path: spec.endpoints
+          content:
+            port: metrics
+            path: /actuator/prometheus
+  - it: should be able to enable the endpoint
+    asserts:
+      - contains:
+          path: spec.endpoints
+          content:
+            port: metrics
+            path: /actuator/prometheus
+  - it: namespace selector should contain the namespace
+    asserts:
+      - contains:
+          path: spec.namespaceSelector.matchNames
+          content: sh-helm-test
+  - it: selector should contain the component label with the value bayernid-proxy-service
+    asserts:
+      - equal:
+          path: spec.selector.matchLabels["component"]
+          value: bayernid-proxy-service
+  - it: selector should contain helm recommended labels name and namespace
+    asserts:
+      - equal:
+          path: spec.selector.matchLabels
+          value: 
+            app.kubernetes.io/name: bayernid-proxy
+            app.kubernetes.io/namespace: sh-helm-test
+            component: bayernid-proxy-service