EKS Restricted pod security policy

README.md

You might want to add some service account to ClusterRoleBinding/psp:privileged

kubectl apply -f eks-restricted-psp.yml

# delete default role binding
kubectl delete clusterrolebinding eks:podsecuritypolicy:authenticated

eks-restricted-psp.yml

apiVersion: extensions/v1beta1
kind: PodSecurityPolicy
metadata:
  annotations:
    seccomp.security.alpha.kubernetes.io/allowedProfileNames: 'docker/default'
    seccomp.security.alpha.kubernetes.io/defaultProfileName:  'docker/default'
  name: eks.restricted
spec:
  privileged: false
  allowPrivilegeEscalation: false
  allowedCapabilities: []
  requiredDropCapabilities:
    - ALL
  hostIPC: false
  hostNetwork: false
  hostPID: false
  readOnlyRootFilesystem: false
  fsGroup:
    rule: RunAsAny
  runAsUser:
    rule: RunAsAny
  seLinux:
    rule: RunAsAny
  supplementalGroups:
    rule: RunAsAny
  volumes:
  - configMap
  - downwardAPI
  - emptyDir
  - secret
  - projected
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: psp:privileged
rules:
- apiGroups:
  - extensions
  resourceNames:
  - eks.privileged
  resources:
  - podsecuritypolicies
  verbs:
  - use
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: psp:restricted
rules:
- apiGroups:
  - extensions
  resourceNames:
  - eks.restricted
  resources:
  - podsecuritypolicies
  verbs:
  - use
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: psp:privileged
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: psp:privileged
subjects:
- kind: ServiceAccount
  name: aws-node
  namespace: kube-system
- kind: ServiceAccount
  name: kube-proxy
  namespace: kube-system
- kind: ServiceAccount
  name: coredns
  namespace: kube-system
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: psp:restricted
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: psp:restricted
subjects:
- apiGroup: rbac.authorization.k8s.io
  kind: Group
  name: system:authenticated