podsecurity-enforce.yaml

# https://github.com/kubernetes/examples/blob/master/staging/podsecuritypolicy/rbac/bindings.yaml
# restricted-psp-user grants access to use the restricted PSP.
# https://cheatsheet.dennyzhang.com/kubernetes-yaml-templates
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: restricted-psp-user
rules:
- apiGroups:
  - policy
  resources:
  - podsecuritypolicies
  resourceNames:
  - restricted
  verbs:
  - use
---
# https://github.com/kubernetes/examples/blob/master/staging/podsecuritypolicy/rbac/policies.yaml
# https://kubernetes.io/docs/concepts/policy/pod-security-policy/
apiVersion: policy/v1beta1
kind: PodSecurityPolicy
metadata:
  name: restricted
spec:
  privileged: false
  fsGroup:
    rule: RunAsAny
  runAsUser:
    rule: MustRunAsNonRoot
  seLinux:
    rule: RunAsAny
  supplementalGroups:
    rule: RunAsAny
  volumes:
  - 'emptyDir'
  - 'secret'
  - 'downwardAPI'
  - 'configMap'
  - 'persistentVolumeClaim'
  - 'projected'
  hostPID: false
  hostIPC: false
  hostNetwork: false
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
    name: restricted-psp-users
subjects:
- kind: Group
  apiGroup: rbac.authorization.k8s.io
  name: restricted-psp-users
roleRef:
   apiGroup: rbac.authorization.k8s.io
   kind: ClusterRole
   name: restricted-psp-user
---
# edit grants edit role to the groups
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
    name: edit
subjects:
- kind: Group
  apiGroup: rbac.authorization.k8s.io
  name: restricted-psp-users
roleRef:
   apiGroup: rbac.authorization.k8s.io
   kind: ClusterRole
   name: edit