# StorageClass specifically for CNPG (CloudNativePG) PostgreSQL clusters
# Fixes the "read-only filesystem" issue by mounting with postgres UID/GID
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: longhorn-cnpg
  namespace: longhorn-system
  annotations:
    storageclass.kubernetes.io/is-default-class: "false"
provisioner: driver.longhorn.io
allowVolumeExpansion: true
parameters:
  numberOfReplicas: "3"
  staleReplicaTimeout: "30"
  fromBackup: ""
  dataLocality: "best-effort"
  fsType: "ext4"
  # Mount options to ensure PostgreSQL can write
  mkfsParams: "-O ^64bit,^metadata_csum"
mountOptions:
  - "noatime"
  # Critical: mount with postgres UID/GID (26:26) to avoid permission issues
  - "uid=26"
  - "gid=26"
reclaimPolicy: Delete
volumeBindingMode: Immediate