fix for nfs-photo not exporting root dir

clusters/base/apps/nfs-photo/helmrelease.yaml

@@ -25,14 +25,6 @@ spec:
               - sh
               - -c
               - chmod -R a+rwX /disks/base /disks/sub1
-          mtab-setup:
-            image:
-              repository: hectorm/nfs-ganesha
-              tag: v10
-            command:
-              - sh
-              - -c
-              - cat /proc/self/mounts > /mtab-vol/mtab
           # native sidecar (restartPolicy: Always): mounts the two disks and
           # exposes their union at /disks/merged via FUSE. It must be up and
           # actually mounted *before* the "app" container is created, since
@@ -46,7 +38,6 @@ spec:
           mergerfs:
             dependsOn:
               - fix-permissions
-              - mtab-setup
             restartPolicy: Always
             image:
               repository: ghcr.io/hotio/mergerfs
@@ -77,6 +68,24 @@ spec:
                 memory: 64Mi
               limits:
                 memory: 512Mi
+          # runs after mergerfs is confirmed mounted (see dependsOn) and has
+          # /export mounted too, so the /proc/self/mounts snapshot it takes
+          # actually includes the fuse.mergerfs line for /export. ganesha's
+          # FSAL_VFS resolves export paths against this frozen /etc/mtab, not
+          # the live /proc/mounts - if /export is missing from it (e.g. this
+          # ran before mergerfs, or without /export mounted at all), ganesha
+          # fails at startup with "resolve_posix_filesystem(/export) ...
+          # No such file or directory" even though /export is mounted fine.
+          mtab-setup:
+            dependsOn:
+              - mergerfs
+            image:
+              repository: hectorm/nfs-ganesha
+              tag: v10
+            command:
+              - sh
+              - -c
+              - cat /proc/self/mounts > /mtab-vol/mtab
         containers:
           app:
             image:
@@ -141,7 +150,7 @@ spec:
         type: persistentVolumeClaim
         accessMode: ReadWriteOnce
         size: 100Gi
-        storageClass: longhorn
+        storageClass: longhorn-single-replica
         retain: true
         advancedMounts:
           app:
@@ -153,7 +162,7 @@ spec:
         type: persistentVolumeClaim
         accessMode: ReadWriteOnce
         size: 100Gi
-        storageClass: longhorn
+        storageClass: longhorn-single-replica
         retain: true
         advancedMounts:
           app:
@@ -171,6 +180,9 @@ spec:
             app:
               - path: /export
                 mountPropagation: HostToContainer
+            mtab-setup:
+              - path: /export
+                mountPropagation: HostToContainer
       dev-fuse:
         type: hostPath
         hostPath: /dev/fuse

clusters/base/apps/webdav/helmrelease.yaml

@@ -94,7 +94,7 @@ spec:
         type: persistentVolumeClaim
         existingClaim: nfs-photo-export
         globalMounts:
-          - path: /webdav/photo
+          - path: /webdav/photo/library
       sda2:
         type: persistentVolumeClaim
         existingClaim: nas1-sda2

clusters/base/infra/longhorn/storage-classes/kustomization.yaml

@@ -2,3 +2,4 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
   - longhorn-no-retain.yaml
+  - longhorn-single-replica.yaml

clusters/base/infra/longhorn/storage-classes/longhorn-single-replica.yaml

@@ -0,0 +1,12 @@
+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  name: longhorn-single-replica
+  annotations:
+    storageclass.kubernetes.io/is-default-class: "false"
+provisioner: driver.longhorn.io
+reclaimPolicy: Retain
+allowVolumeExpansion: true
+parameters:
+  numberOfReplicas: "1"
+  staleReplicaTimeout: "30"

clusters/home/namespaces/kustomization.yaml

@@ -15,3 +15,4 @@ resources:
   - ../../base/namespaces/finance.yaml
   - ../../base/namespaces/nfs.yaml
   - ../../base/namespaces/syncthing.yaml
+  - ../../base/namespaces/photo-stats.yaml