policy-gatekeeper-image-pull-policy.yaml

apiVersion: policy.open-cluster-management.io/v1
kind: Policy
metadata:
  name: policy-gatekeeper-image-pull-policy
  annotations:
    policy.open-cluster-management.io/standards: NIST SP 800-53
    policy.open-cluster-management.io/categories: CM Configuration Management
    policy.open-cluster-management.io/controls: CM-2 Baseline Configuration
spec:
  remediationAction: enforce
  disabled: false
  policy-templates:
    - objectDefinition:
        apiVersion: policy.open-cluster-management.io/v1
        kind: ConfigurationPolicy
        metadata:
          name: policy-gatekeeper-image-pull-policy
        spec:
          remediationAction: inform # will be overridden by remediationAction in parent policy
          severity: low
          object-templates:
            - complianceType: musthave
              objectDefinition:
                apiVersion: mutations.gatekeeper.sh/v1alpha1
                kind: Assign
                metadata:
                  name: policy-gatekeeper-image-pull-policy
                spec:
                    applyTo:
                      - groups: [""]
                        kinds: ["Pod"]
                        versions: ["v1"]
                    match:
                      scope: Namespaced
                      kinds:
                        - apiGroups: ["*"]
                          kinds: ["Pod"]
                    location: "spec.containers[name:*].imagePullPolicy"
                    parameters: 
                      assign: 
                        value: Always
---
apiVersion: policy.open-cluster-management.io/v1
kind: PlacementBinding
metadata:
  name: binding-policy-gatekeeper-image-pull-policy
placementRef:
  name: placement-policy-gatekeeper-image-pull-policy
  kind: PlacementRule
  apiGroup: apps.open-cluster-management.io
subjects:
  - name: policy-gatekeeper-image-pull-policy
    kind: Policy
    apiGroup: policy.open-cluster-management.io
---
apiVersion: apps.open-cluster-management.io/v1
kind: PlacementRule
metadata:
  name: placement-policy-gatekeeper-image-pull-policy
spec:
  clusterConditions:
    - status: "True"
      type: ManagedClusterConditionAvailable
  clusterSelector:
    matchExpressions:
      - { key: environment, operator: In, values: ["dev"] }