Support volume server ID in Helm chart (#7867)

helm: Support volume server ID

k8s/charts/seaweedfs/templates/volume/volume-statefulset.yaml

@@ -176,6 +176,9 @@ spec:
                 {{- if $volume.dataCenter }}
                 -dataCenter={{ $volume.dataCenter }} \
                 {{- end }}
+                {{- if $volume.id }}
+                -id={{ $volume.id }} \
+                {{- end }}
                 -ip.bind={{ $volume.ipBind }} \
                 -readMode={{ $volume.readMode }} \
                 {{- if $volume.whiteList }}

k8s/charts/seaweedfs/values.yaml

@@ -401,6 +401,10 @@ volume:
   # Volume server's rack name
   rack: null
 
+  # Stable identifier for the volume server, independent of IP address
+  # Useful for Kubernetes environments with hostPath volumes to maintain stable identity
+  id: null
+
   # Volume server's data center name
   dataCenter: null