xin.li
71 lines
1.9 KiB
Bash
71 lines
1.9 KiB
Bash
#!/bin/sh
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mkdir -p /tmp/pss
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cat <<EOF > /tmp/pss/cluster-level-pss.yaml
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apiVersion: apiserver.config.k8s.io/v1
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kind: AdmissionConfiguration
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plugins:
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- name: PodSecurity
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configuration:
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apiVersion: pod-security.admission.config.k8s.io/v1beta1
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kind: PodSecurityConfiguration
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defaults:
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enforce: "baseline"
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enforce-version: "latest"
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audit: "restricted"
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audit-version: "latest"
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warn: "restricted"
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warn-version: "latest"
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exemptions:
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usernames: []
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runtimeClasses: []
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namespaces: [kube-system]
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EOF
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cat <<EOF > /tmp/pss/cluster-config.yaml
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kind: Cluster
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apiVersion: kind.x-k8s.io/v1alpha4
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nodes:
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- role: control-plane
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kubeadmConfigPatches:
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- |
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kind: ClusterConfiguration
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apiServer:
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extraArgs:
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admission-control-config-file: /etc/config/cluster-level-pss.yaml
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extraVolumes:
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- name: accf
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hostPath: /etc/config
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mountPath: /etc/config
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readOnly: false
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pathType: "DirectoryOrCreate"
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extraMounts:
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- hostPath: /tmp/pss
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containerPath: /etc/config
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# optional: if set, the mount is read-only.
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# default false
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readOnly: false
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# optional: if set, the mount needs SELinux relabeling.
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# default false
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selinuxRelabel: false
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# optional: set propagation mode (None, HostToContainer or Bidirectional)
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# see https://kubernetes.io/docs/concepts/storage/volumes/#mount-propagation
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# default None
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propagation: None
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EOF
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kind create cluster --name psa-with-cluster-pss --image kindest/node:v1.23.0 --config /tmp/pss/cluster-config.yaml
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kubectl cluster-info --context kind-psa-with-cluster-pss
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# 等待 15 秒（任意）ServiceAccount 准入控制器可用
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sleep 15
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cat <<EOF > /tmp/pss/nginx-pod.yaml
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apiVersion: v1
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kind: Pod
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metadata:
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name: nginx
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spec:
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containers:
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- image: nginx
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name: nginx
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ports:
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- containerPort: 80
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EOF
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kubectl apply -f /tmp/pss/nginx-pod.yaml
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