# StorageClass verification — confirms the default StorageClass can provision PVCs.
#
# K3s default StorageClass: local-path (rancher/local-path-provisioner)
# This is adequate for single-node dev/staging; for HA ThreePhoenix, a
# distributed StorageClass (Longhorn, Rook-Ceph) is preferred.
#
# Apply:
#   kubectl apply -f verify-pvc.yaml
#
# Verify:
#   kubectl get pvc -n storage-test
#   # STATUS=Bound means provisioning works.
#   kubectl get pod -n storage-test
#   # pod/storage-test should be Completed (exit 0).
#
# Clean up:
#   kubectl delete namespace storage-test

apiVersion: v1
kind: Namespace
metadata:
  name: storage-test
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: storage-test-pvc
  namespace: storage-test
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 100Mi
  # Omit storageClassName to use the cluster default.
  # To test a specific class: storageClassName: local-path
---
apiVersion: v1
kind: Pod
metadata:
  name: storage-test
  namespace: storage-test
spec:
  restartPolicy: Never
  containers:
    - name: writer
      image: busybox:1.36
      command:
        - sh
        - -c
        - |
          echo "StorageClass test: writing file" && \
          echo "ok" > /data/test.txt && \
          cat /data/test.txt && \
          echo "StorageClass verification PASSED"
      volumeMounts:
        - name: data
          mountPath: /data
  volumes:
    - name: data
      persistentVolumeClaim:
        claimName: storage-test-pvc