Add helm charts for cluster tasks and run tasks with a job

The task:

• gets info about the drupal site
• creates the job for running the script
• monitors if the status of the job
• waits for the job to succeed or fail
• prints the final status of the job
• prints the logs of the job

Logs of the taskrun pod:

Refers to:

• https://gitlab.cern.ch/webservices/webframeworks-planning/-/issues/324
• https://gitlab.cern.ch/webservices/webframeworks-planning/-/issues/312

chart/cluster-tasks/templates/clear-cache.yaml

@@ -10,9 +10,11 @@ spec:
     - name: namespace
       type: string
       description: The namespace of the drupal site
+  workspaces:
+    - name: job
   steps:
     - name: clear-cache
-      image: image-registry.openshift-image-registry.svc:5000/openshift/cli:latest
+      image: {{ .Values.openshiftCli.image }}
       command:
         - /bin/sh
         - '-c'
@@ -20,6 +22,13 @@ spec:
       - |-
         echo "--------------------------- Clear cache ---------------------------"
         echo "Drupal site name: $(params.drupalSite)"
-        deploymentPod=$(oc get pods -n $(params.namespace) -l drupalSite=$(params.drupalSite) -l app=drupal -o custom-columns=POD:.metadata.name --no-headers)
-        echo "Deployment pod: $deploymentPod"
-        oc exec $deploymentPod -c php-fpm drush cr
+        export TASK=clear-cache
+        export DRUPALSITE=$(params.drupalSite)
+        export NAMESPACE=$(params.namespace)
+        export SERVING_POD_IMAGE=$(oc get -n $(params.namespace) drupalsite/$(params.drupalSite) -o=jsonpath='{.status.servingPodImage}')
+        envsubst < $(workspaces.job.path)/{{ .Values.jobTemplateFile }} | oc create -n $(params.namespace) -f -
+        oc wait --for=condition=complete job/$TASK-$(params.drupalSite)
+        jobStatus=$(oc get job/$TASK-$(params.drupalSite) -o=jsonpath='{.status.conditions[*].type}' | grep -i -E 'failed|complete' || echo "Failed")
+        echo "Job status: $jobStatus"
+        echo "Job logs:"
+        oc logs job/$TASK-$DRUPALSITE -n $(params.namespace)