...
| Code Block |
|---|
$ az aks update \
--resource-group ncyd-perftest7perftest8-rg-onprem \
--name ncyd-perftest7perftest8-aks-cluster-onprem \
--enable-pod-security-policy |
| Code Block |
|---|
The behavior of this command has been altered by the following extension: aks-preview
| Running .. |
| Code Block |
|---|
...
"workloadAutoScalerProfile": {
"keda": null,
"verticalPodAutoscaler": null
}
} |
Delete Azure PSPs
| Code Block |
|---|
kubectl delete psp privileged
kubectl delete clusterrole/psp:privileged |
Install Restrictive Pod Security Policies
| Code Block |
|---|
|
vi psp-restrictive.yaml |
| Code Block |
|---|
---
apiVersion: policy/v1beta1
kind: PodSecurityPolicy
metadata:
name: privileged
annotations:
seccomp.security.alpha.kubernetes.io/allowedProfileNames: "*"
labels:
addonmanager.kubernetes.io/mode: EnsureExists
spec:
privileged: true
allowPrivilegeEscalation: true
allowedCapabilities:
- "*"
volumes:
- "*"
hostNetwork: true
hostPorts:
- min: 0
max: 65535
hostIPC: true
hostPID: true
runAsUser:
rule: 'RunAsAny'
seLinux:
rule: 'RunAsAny'
supplementalGroups:
rule: 'RunAsAny'
fsGroup:
rule: 'RunAsAny'
---
apiVersion: policy/v1beta1
kind: PodSecurityPolicy
metadata:
name: restricted
labels:
addonmanager.kubernetes.io/mode: EnsureExists
spec:
privileged: false
allowPrivilegeEscalation: false
requiredDropCapabilities:
- ALL
volumes:
- 'configMap'
- 'emptyDir'
- 'projected'
- 'secret'
- 'downwardAPI'
- 'persistentVolumeClaim'
hostNetwork: false
hostIPC: false
hostPID: false
runAsUser:
rule: 'MustRunAsNonRoot'
seLinux:
rule: 'RunAsAny'
supplementalGroups:
rule: 'MustRunAs'
ranges:
# Forbid adding the root group.
- min: 1
max: 65535
fsGroup:
rule: 'MustRunAs'
ranges:
# Forbid adding the root group.
- min: 1
max: 65535
readOnlyRootFilesystem: false
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
name: psp:privileged
labels:
addonmanager.kubernetes.io/mode: EnsureExists
rules:
- apiGroups: ['policy']
resources: ['podsecuritypolicies']
verbs: ['use']
resourceNames:
- privileged
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
name: psp:restricted
labels:
addonmanager.kubernetes.io/mode: EnsureExists
rules:
- apiGroups: ['policy']
resources: ['podsecuritypolicies']
verbs: ['use']
resourceNames:
- restricted
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: default:restricted
labels:
addonmanager.kubernetes.io/mode: EnsureExists
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: psp:restricted
subjects:
- kind: Group
name: system:authenticated
apiGroup: rbac.authorization.k8s.io
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
name: default:privileged
namespace: kube-system
labels:
addonmanager.kubernetes.io/mode: EnsureExists
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: psp:privileged
subjects:
- kind: Group
name: system:masters
apiGroup: rbac.authorization.k8s.io
- kind: Group
name: system:nodes
apiGroup: rbac.authorization.k8s.io
- kind: Group
name: system:serviceaccounts:kube-system
apiGroup: rbac.authorization.k8s.io |
| Code Block |
|---|
|
kubectl apply -f psp-restrictive.yaml |
Next
Install some helm releases and see!
References