policy-scc.yaml

apiVersion: policy.open-cluster-management.io/v1
kind: Policy
metadata:
  name: policy-securitycontextconstraints
  annotations:
    policy.open-cluster-management.io/standards: NIST SP 800-53
    policy.open-cluster-management.io/categories: SI System and Information Integrity
    policy.open-cluster-management.io/controls: SI-3 Malicious Code Protection
spec:
  remediationAction: inform
  disabled: false
  policy-templates:
    - objectDefinition:
        apiVersion: policy.open-cluster-management.io/v1
        kind: ConfigurationPolicy
        metadata:
          name: policy-securitycontextconstraints-example
        spec:
          remediationAction: inform # the policy-template spec.remediationAction is overridden by the preceding parameter value for spec.remediationAction.
          severity: high
          namespaceSelector:
            exclude: ["kube-*"]
            include: ["default"]
          object-templates:
            - complianceType: musthave
              objectDefinition:
                apiVersion: security.openshift.io/v1
                kind: SecurityContextConstraints # restricted scc
                metadata:
                  annotations:
                    kubernetes.io/description: restricted denies access to all host features and requires pods to be run with a UID, and SELinux context that are allocated to the namespace.  This is the most restrictive SCC and it is used by default for authenticated users.
                  name: sample-restricted-scc
                allowHostDirVolumePlugin: false
                allowHostIPC: false
                allowHostNetwork: false
                allowHostPID: false
                allowHostPorts: false
                allowPrivilegeEscalation: true
                allowPrivilegedContainer: false
                allowedCapabilities: []
                defaultAddCapabilities: []
                fsGroup:
                  type: MustRunAs
                groups:
                - system:authenticated
                priority: 10
                readOnlyRootFilesystem: false
                requiredDropCapabilities:
                - KILL
                - MKNOD
                - SETUID
                - SETGID
                runAsUser:
                  type: MustRunAsRange
                seLinuxContext:
                  type: MustRunAs
                supplementalGroups:
                  type: RunAsAny
                users: []
                volumes:
                - configMap
                - downwardAPI
                - emptyDir
                - persistentVolumeClaim
                - projected
                - secret
---
apiVersion: policy.open-cluster-management.io/v1
kind: PlacementBinding
metadata:
  name: binding-policy-securitycontextconstraints
placementRef:
  name: placement-policy-securitycontextconstraints
  kind: PlacementRule
  apiGroup: apps.open-cluster-management.io
subjects:
- name: policy-securitycontextconstraints
  kind: Policy
  apiGroup: policy.open-cluster-management.io
---
apiVersion: apps.open-cluster-management.io/v1
kind: PlacementRule
metadata:
  name: placement-policy-securitycontextconstraints
spec:
  clusterConditions:
  - status: "True"
    type: ManagedClusterConditionAvailable
  clusterSelector:
    matchExpressions:
      - {key: environment, operator: In, values: ["dev"]}