run hello world containers

helm/kentledge/templates/deployment.yaml

@@ -39,6 +39,14 @@ spec:
           env:
             - name: KUBERNETES_CLUSTERROLE
               value: {{ template "kentledge.fullname" . }}
+            - name: KENTLEDGE_IMAGE
+              value: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+            - name: KENTLEDGE_PULLPOLICY
+              value: {{ .Values.image.pullPolicy }}
+            - name: JOBSEQUENCE_IMAGE
+              value: "{{ .Values.jobsequenceImage.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+            - name: JOBSEQUENCE_PULLPOLICY
+              value: {{ .Values.jobsequenceImage.pullPolicy }}
           ports:
             - name: http
               containerPort: 8080

helm/kentledge/values.yaml

@@ -10,6 +10,11 @@ image:
   # Overrides the image tag whose default is the chart appVersion.
   tag: main
 
+jobsequenceImage:
+  repository: ghcr.io/deltachaos/kubernetes-jobsequence
+  pullPolicy: Always
+  tag: main
+
 rbac:
   create: true
 

src/app.py

@@ -15,6 +15,10 @@ def dump(self, obj):
   def sync(self, parent, children):
 
     clusterRole = os.environ.get("KUBERNETES_CLUSTERROLE")
+    kentledgeImage = os.environ.get("KENTLEDGE_IMAGE")
+    kentledgePullPolicy = os.environ.get("KENTLEDGE_PULLPOLICY")
+    jobsequenceImage = os.environ.get("JOBSEQUENCE_IMAGE")
+    jobsequencePullPolicy = os.environ.get("JOBSEQUENCE_PULLPOLICY")
 
     configMapName = parent["metadata"]["name"]
     serviceAccountName = parent["metadata"]["name"]
@@ -29,19 +33,9 @@ def sync(self, parent, children):
         "containers": [
           {
             "name": "runner",
-            "image": "busybox",
-            "command": ["sleep", "10"]
-          }
-        ]
-      },
-      {
-        "restartPolicy": "Never",
-        "serviceAccountName": serviceAccountName,
-        "containers": [
-          {
-            "name": "runner",
-            "image": "busybox",
-            "command": ["sleep", "10"]
+            "imagePullPolicy": kentledgePullPolicy,
+            "image": kentledgeImage,
+            "args": ["python", "backup.py"]
           }
         ]
       }
@@ -114,8 +108,8 @@ def sync(self, parent, children):
                     "containers": [
                       {
                         "name": "runner",
-                        "imagePullPolicy": "Always",
-                        "image": "ghcr.io/deltachaos/kubernetes-jobsequence:main",
+                        "imagePullPolicy": jobsequencePullPolicy,
+                        "image": jobsequenceImage,
                         "volumeMounts": [
                           {
                             "name": "jobs",

src/backup.py

@@ -0,0 +1,8 @@
+import time
+
+print("hallo test")
+time.sleep(3)
+print(os.environ.get('JOB_CONFIGMAP'))
+print(os.environ.get('JOB_NAME'))
+print("hallo test ende")
+time.sleep(10)