rework postgres storage to single-replica best-effort

manifests/darkdork.dev/storageclass.yaml

@@ -2,27 +2,13 @@
 kind: StorageClass
 apiVersion: storage.k8s.io/v1
 metadata:
-  name: longhorn-ssd
+  name: longhorn-single-replica-best-effort
   namespace: darkdork-dev
 provisioner: driver.longhorn.io
 allowVolumeExpansion: true
 parameters:
-  numberOfReplicas: "3"
-  staleReplicaTimeout: "2880" # 48 hours in minutes
+  numberOfReplicas: "1"
+  staleReplicaTimeout: "30"
+  fsType: "ext4"
   fromBackup: ""
-  fsType: "xfs"
-#  backupTargetName: "default"
-#  mkfsParams: "-I 256 -b 4096 -O ^metadata_csum,^64bit"
-#  diskSelector: "ssd,fast"
-#  nodeSelector: "storage,fast"
-#  recurringJobSelector: '[
-#   {
-#     "name":"snap",
-#     "isGroup":true,
-#   },
-#   {
-#     "name":"backup",
-#     "isGroup":false,
-#   }
-#  ]'
----
+  data-locality: "best-effort"

manifests/postgres/pvc.yaml

@@ -10,6 +10,36 @@ spec:
   volumeName: pvc-43c3a05b-5556-4d7c-83e3-ee6436f1a48e
   accessModes: ["ReadWriteOnce"]
   storageClassName: longhorn-ssd
+  resources:
+    requests:
+      storage: 10Gi
+
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: postgres-local-pvc
+  namespace: darkdork-dev
+  labels:
+    app: postgres
+spec:
+  accessModes: ["ReadWriteOnce"]
+  storageClassName: longhorn-single-replica-best-effort
+  resources:
+    requests:
+      storage: 15Gi
+
+---
+apiVersion: v1
+kind: PersistenVolumeClaim
+metadata:
+  name: postgres-local-path-test-pvc
+  namespace: darkdork-dev
+  labels:
+    app: postgres
+spec:
+  accessModes: ["ReadWriteOnce"]
+  storageClassName: local-path
   resources:
     requests:
       storage: 10Gi

manifests/postgres/statefulset.yaml

@@ -50,7 +50,7 @@ spec:
         - name: PGDATA
           value: /var/lib/postgresql/data/pgdata
         volumeMounts:
-        - name: postgres-storage
+        - name: postgres-local
           mountPath: /var/lib/postgresql/data
           subPath: pgdata # Using subPath to avoid permission issues
         - name: dshm
@@ -60,6 +60,8 @@ spec:
         - name: postgres-config-volume
           mountPath: /etc/postgresql/postgresql.conf
           subPath: postgresql.conf
+        - name: postgres-local
+          mountPath: /mnt
         command:
         - docker-entrypoint.sh
         - -c
@@ -114,4 +116,7 @@ spec:
           name: postgres-config
       - name: postgres-storage
         persistentVolumeClaim:
-          claimName: postgres-pvc
+          claimName: postgres-pvc
+      - name: postgres-local
+        persistentVolumeClaim:
+          claimName: postgres-local-pvc