fix(workflows): add clusterpolicy for low priority workflows

Author: iamvigneshwars

charts/workflows/templates/workloadpriority-clusterpolicy.yaml

@@ -51,3 +51,26 @@ spec:
               labels:
                 kueue.x-k8s.io/queue-name: default-queue
                 kueue.x-k8s.io/priority-class: high
+
+    - name: low-workload-priority
+      match:
+        any:
+        - resources:
+            kinds:
+            - argoproj.io/*/Workflow
+            annotations:
+              workflows.diamond.ac.uk/type: "test"
+            operations:
+              - CREATE
+      preconditions:
+        all:
+        - key: "{{ `{{ request.object.spec.podMetadata.labels.\"kueue.x-k8s.io/priority-class\" || '' }}` }}"
+          operator: Equals
+          value: ""
+      mutate:
+        patchStrategicMerge:
+          spec:
+            podMetadata:
+              labels:
+                kueue.x-k8s.io/queue-name: default-queue
+                kueue.x-k8s.io/priority-class: low

charts/workflows/test-policy/workloadpriorityclass/chainsaw-test.yaml

@@ -63,3 +63,23 @@ spec:
                   labels:
                     kueue.x-k8s.io/queue-name: default-queue
                     kueue.x-k8s.io/priority-class: high
+        - apply:
+            resource:
+              apiVersion: argoproj.io/v1alpha1
+              kind: Workflow
+              metadata:
+                name: test
+                annotations:
+                  workflows.diamond.ac.uk/type: "test"
+              spec: {}
+        - assert:
+            resource:
+              apiVersion: argoproj.io/v1alpha1
+              kind: Workflow
+              metadata:
+                name: test
+              spec:
+                podMetadata:
+                  labels:
+                    kueue.x-k8s.io/queue-name: default-queue
+                    kueue.x-k8s.io/priority-class: low