policy-gatekeeper-config-exclude-namespaces.yaml

# Sample policy to configure gatekeeper to exclude namespaces from certain processes for all constraints in the cluster
# See: https://github.com/open-policy-agent/gatekeeper/tree/release-3.3#exempting-namespaces-from-gatekeeper
apiVersion: policy.open-cluster-management.io/v1
kind: Policy
metadata:
  name: policy-gatekeeper-config-exclude-namespaces
  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-config-exclude-namespaces
        spec:
          remediationAction: enforce # will be overridden by remediationAction in parent policy
          severity: low
          object-templates:
            - complianceType: mustonlyhave
              objectDefinition:
                apiVersion: config.gatekeeper.sh/v1alpha1
                kind: Config
                metadata:
                  name: config
                  namespace: openshift-gatekeeper-system
                spec:
                  match:
                    - excludedNamespaces:
                        - ansible-automation-platform
                        - hive
                        - kube-*
                        - local-quay
                        - multicluster-engine
                        - open-cluster-management
                        - open-cluster-management-*
                        - openshift-*
                        - rhacs-operator
                        - stackrox
                      processes:
                        - '*'
---
apiVersion: policy.open-cluster-management.io/v1
kind: PlacementBinding
metadata:
  name: binding-policy-gatekeeper-config-exclude-namespaces
placementRef:
  name: placement-policy-gatekeeper-config-exclude-namespaces
  kind: PlacementRule
  apiGroup: apps.open-cluster-management.io
subjects:
- name: policy-gatekeeper-config-exclude-namespaces
  kind: Policy
  apiGroup: policy.open-cluster-management.io
---
apiVersion: apps.open-cluster-management.io/v1
kind: PlacementRule
metadata:
  name: placement-policy-gatekeeper-config-exclude-namespaces
spec:
  clusterConditions:
  - status: "True"
    type: ManagedClusterConditionAvailable
  clusterSelector:
    matchExpressions:
      - {key: environment, operator: In, values: ["dev"]}