website/content/en/examples/security/kind-with-namespace-level-b...

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#!/bin/sh
kind create cluster --name psa-ns-level
kubectl cluster-info --context kind-psa-ns-level
# Wait for 15 seconds (arbitrary) for ServiceAccount Admission Controller to be available
sleep 15
# Create and label the namespace
kubectl create ns example || exit 1 # if namespace exists, don't do the next steps
kubectl label --overwrite ns example \
pod-security.kubernetes.io/enforce=baseline \
pod-security.kubernetes.io/enforce-version=latest \
pod-security.kubernetes.io/warn=restricted \
pod-security.kubernetes.io/warn-version=latest \
pod-security.kubernetes.io/audit=restricted \
pod-security.kubernetes.io/audit-version=latest
# Try running a Pod
cat <<EOF |
apiVersion: v1
kind: Pod
metadata:
name: nginx
spec:
containers:
- image: nginx
name: nginx
ports:
- containerPort: 80
EOF
kubectl apply -n example -f -
# Await input
sleep 1
( bash -c 'true' 2>/dev/null && bash -c 'read -p "Press any key to continue... " -n1 -s' ) || \
( printf "Press Enter to continue... " && read ) 1>&2
# Clean up
printf "\n\nCleaning up:\n" 1>&2
set -e
kubectl delete pod --all -n example --now
kubectl delete ns example
kind delete cluster --name psa-ns-level