Use filerGroup for s3 buckets collection prefix (#4465)

* Use filerGroup for s3 buckets collection prefix

* Fix templates

* Remove flags

* Remove s3CollectionPrefix

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

@@ -148,6 +148,9 @@ spec:
               -encryptVolumeData \
               {{- end }}
               -ip=${POD_IP} \
+              {{- if .Values.filer.filerGroup}}
+              -filerGroup={{ .Values.filer.filerGroup}} \
+              {{- end }}
               {{- if .Values.filer.s3.enabled }}
               -s3 \
               -s3.port={{ .Values.filer.s3.port }} \

k8s/charts/seaweedfs/values.yaml

@@ -273,6 +273,7 @@ filer:
   grpcPort: 18888
   metricsPort: 9327
   loggingOverrideLevel: null
+  filerGroup: ""
   #  replication type is XYZ:
   # X number of replica in other data centers
   # Y number of replica in other racks in the same data center