delete-user-home.sh

"#!/usr/bin/env bash\nset -euo pipefail\n\n# Target username (JupyterHub username)\nexport JH_USER=someuser\n\n# Required namespace (e.g., jhub)\n: \"${JH_NAMESPACE:?Set JH_NAMESPACE (e.g., export JH_NAMESPACE=jhub)}\"\n\n# Refuse to delete if the user's pod is still running (avoid stale NFS handles)\nif kubectl -n \"${JH_NAMESPACE}\" get pod \"jupyter-${JH_USER}\" >/dev/null 2>&1; then\n  echo \"User pod jupyter-${JH_USER} is still running. Stop the server first, then re-run.\"\n  exit 1\nfi\n\n# Clean up any prior job with the same name\nkubectl -n \"${JH_NAMESPACE}\" delete job \"delete-home-${JH_USER}\" --ignore-not-found\n\n# Generate Job configuration\ncat <<EOF2 > delete-user-home.yaml\napiVersion: batch/v1\nkind: Job\nmetadata:\n  name: delete-home-${JH_USER}\n  namespace: ${JH_NAMESPACE}\nspec:\n  backoffLimit: 1\n  template:\n    spec:\n      restartPolicy: Never\n      containers:\n        - name: delete-home\n          image: busybox:1.36\n          command:\n            - /bin/sh\n            - -c\n            - |\n              set -eu\n              echo \"Deleting /mnt/${JH_USER}\"\n              rm -rf \"/mnt/${JH_USER}\"\n          volumeMounts:\n            - name: home-nfs\n              mountPath: /mnt\n      volumes:\n        - name: home-nfs\n          persistentVolumeClaim:\n            claimName: home-nfs\nEOF2\n\n# Run and cleanup the job (only delete on success)\nkubectl apply -f delete-user-home.yaml \\\n  && kubectl wait --for=condition=complete job/delete-home-${JH_USER} -n ${JH_NAMESPACE} --timeout=60s \\\n  && kubectl logs -n ${JH_NAMESPACE} job/delete-home-${JH_USER} \\\n  && kubectl delete -n ${JH_NAMESPACE} job/delete-home-${JH_USER} \\\n  || echo \"Job did not complete; leaving it in place for inspection.\"\n"

recreate-user-home.sh

"#!/usr/bin/env bash\nset -euo pipefail\n\n# Target username (JupyterHub username)\nexport JH_USER=someuser\n\n# Required namespace (e.g., jhub)\n: \"${JH_NAMESPACE:?Set JH_NAMESPACE (e.g., export JH_NAMESPACE=jhub)}\"\n\n# Clean up any prior job with the same name\nkubectl -n \"${JH_NAMESPACE}\" delete job \"recreate-home-${JH_USER}\" --ignore-not-found\n\ncat <<EOF2 | kubectl apply -f -\napiVersion: batch/v1\nkind: Job\nmetadata:\n  name: recreate-home-${JH_USER}\n  namespace: ${JH_NAMESPACE}\nspec:\n  backoffLimit: 1\n  template:\n    spec:\n      restartPolicy: Never\n      containers:\n        - name: recreate-home\n          image: busybox:1.36\n          command:\n            - /bin/sh\n            - -c\n            - |\n              set -eu\n              mkdir -p \"/mnt/${JH_USER}\"\n              chown 1000:100 \"/mnt/${JH_USER}\"\n              chmod 0770 \"/mnt/${JH_USER}\"\n          volumeMounts:\n            - name: home-nfs\n              mountPath: /mnt\n      volumes:\n        - name: home-nfs\n          persistentVolumeClaim:\n            claimName: home-nfs\nEOF2\n\nkubectl wait --for=condition=complete job/recreate-home-${JH_USER} -n ${JH_NAMESPACE} --timeout=60s \\\n  && kubectl logs -n ${JH_NAMESPACE} job/recreate-home-${JH_USER} \\\n  && kubectl delete -n ${JH_NAMESPACE} job/recreate-home-${JH_USER} \\\n  || echo \"Job did not complete; leaving it in place for inspection.\"\n"