helm chart - add support for emptyDir storage type (#5610)

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

@@ -129,7 +129,7 @@ spec:
             - "-ec"
             - |
               exec /usr/bin/weed \
-              {{- if eq .Values.filer.logs.type "hostPath" }}
+              {{- if or (eq .Values.filer.logs.type "hostPath") (eq .Values.filer.logs.type "emptyDir") }}
               -logdir=/logs \
               {{- else }}
               -logtostderr=true \
@@ -197,7 +197,7 @@ spec:
               {{- end }}
               -master={{ if .Values.global.masterServer }}{{.Values.global.masterServer}}{{ else }}{{ range $index := until (.Values.master.replicas | int) }}${SEAWEEDFS_FULLNAME}-master-{{ $index }}.${SEAWEEDFS_FULLNAME}-master.{{ $.Release.Namespace }}:{{ $.Values.master.port }}{{ if lt $index (sub ($.Values.master.replicas | int) 1) }},{{ end }}{{ end }}{{ end }}
           volumeMounts:
-            {{- if eq .Values.filer.logs.type "hostPath" }}
+            {{- if or (eq .Values.filer.logs.type "hostPath") (eq .Values.filer.logs.type "emptyDir") }}
             - name: seaweedfs-filer-log-volume
               mountPath: "/logs/"
             {{- end }}
@@ -206,7 +206,7 @@ spec:
               mountPath: /etc/sw
               readOnly: true
             {{- end }}
-            {{- if (or .Values.filer.enablePVC (or (eq .Values.filer.data.type "hostPath") (eq .Values.filer.data.type "persistentVolumeClaim"))) }}
+            {{- if (or .Values.filer.enablePVC (or (eq .Values.filer.data.type "hostPath") (eq .Values.filer.data.type "persistentVolumeClaim") (eq .Values.filer.data.type "emptyDir"))) }}
             - name: data-filer
               mountPath: /data
             {{- end }}
@@ -285,6 +285,10 @@ spec:
           persistentVolumeClaim:
             claimName: {{ .Values.filer.logs.claimName }}
         {{- end }}
+        {{- if eq .Values.filer.logs.type "emptyDir" }}
+        - name: seaweedfs-filer-log-volume
+          emptyDir: {}
+        {{- end }}
         {{- if eq .Values.filer.data.type "hostPath" }}
         - name: data-filer
           hostPath:
@@ -296,6 +300,10 @@ spec:
           persistentVolumeClaim:
             claimName: {{ .Values.filer.data.claimName }}
         {{- end }}
+        {{- if eq .Values.filer.data.type "emptyDir" }}
+        - name: data-filer
+          emptyDir: {}
+        {{- end }}
         - name: db-schema-config-volume
           configMap:
             name: seaweedfs-db-init-config

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

@@ -108,9 +108,9 @@ spec:
           command:
             - "/bin/sh"
             - "-ec"
-            - | 
+            - |
               exec /usr/bin/weed \
-              {{- if eq .Values.master.logs.type "hostPath" }}
+              {{- if or (eq .Values.master.logs.type "hostPath") (eq .Values.master.logs.type "emptyDir") }}
               -logdir=/logs \
               {{- else }}
               -logtostderr=true \
@@ -158,7 +158,7 @@ spec:
           volumeMounts:
             - name : data-{{ .Release.Namespace }}
               mountPath: /data
-            {{- if eq .Values.master.logs.type "hostPath" }}
+            {{- if or (eq .Values.master.logs.type "hostPath") (eq .Values.master.logs.type "emptyDir") }}
             - name: seaweedfs-master-log-volume
               mountPath: "/logs/"
             {{- end }}
@@ -241,7 +241,11 @@ spec:
         {{- if eq .Values.master.logs.type "existingClaim" }}
         - name: seaweedfs-master-log-volume
           persistentVolumeClaim:
-            claimName: {{ .Values.master.logs.claimName }} 
+            claimName: {{ .Values.master.logs.claimName }}
+        {{- end }}
+        {{- if eq .Values.master.logs.type "emptyDir" }}
+        - name: seaweedfs-master-log-volume
+          emptyDir: {}
         {{- end }}
         {{- if eq .Values.master.data.type "hostPath" }}
         - name: data-{{ .Release.Namespace }}
@@ -252,7 +256,11 @@ spec:
         {{- if eq .Values.master.data.type "existingClaim" }}
         - name: data-{{ .Release.Namespace }}
           persistentVolumeClaim:
-            claimName: {{ .Values.master.data.claimName }} 
+            claimName: {{ .Values.master.data.claimName }}
+        {{- end }}
+        {{- if eq .Values.master.data.type "emptyDir" }}
+        - name: data-{{ .Release.Namespace }}
+          emptyDir: {}
         {{- end }}
         - name: master-config
           configMap:

k8s/charts/seaweedfs/templates/s3-deployment.yaml

@@ -99,7 +99,7 @@ spec:
             - "-ec"
             - |
               exec /usr/bin/weed \
-               {{- if eq .Values.s3.logs.type "hostPath" }}
+              {{- if or (eq .Values.s3.logs.type "hostPath") (eq .Values.s3.logs.type "emptyDir") }}
               -logdir=/logs \
               {{- else }}
               -logtostderr=true \
@@ -136,7 +136,7 @@ spec:
               {{- end }}
               -filer={{ template "seaweedfs.name" . }}-filer-client.{{ .Release.Namespace }}:{{ .Values.filer.port }}
           volumeMounts:
-            {{- if eq .Values.s3.logs.type "hostPath" }}
+            {{- if or (eq .Values.s3.logs.type "hostPath") (eq .Values.s3.logs.type "emptyDir") }}
             - name: logs
               mountPath: "/logs/"
             {{- end }}
@@ -225,6 +225,10 @@ spec:
             path: {{ .Values.s3.logs.hostPathPrefix }}/logs/seaweedfs/s3
             type: DirectoryOrCreate
         {{- end }}
+        {{- if eq .Values.s3.logs.type "emptyDir" }}
+        - name: logs
+          emptyDir: {}
+        {{- end }}
         {{- if .Values.global.enableSecurity }}
         - name: security-config
           configMap:

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

@@ -261,6 +261,10 @@ spec:
           persistentVolumeClaim:
             claimName: {{ $dir.claimName }}
       {{- end }}
+      {{- if eq $dir.type "emptyDir" }}
+        - name: {{ $dir.name }}
+          emptyDir: {}
+      {{- end }}
 
      {{- end }}
 
@@ -276,6 +280,10 @@ spec:
           persistentVolumeClaim:
             claimName: {{ .Values.volume.idx.claimName }}
        {{- end }}
+       {{- if eq .Values.volume.idx.type "emptyDir" }}
+        - name: idx
+          emptyDir: {}
+       {{- end }}
      {{- end }}
 
      {{- if .Values.volume.logs }}
@@ -290,6 +298,10 @@ spec:
           persistentVolumeClaim:
             claimName: {{ .Values.volume.logs.claimName }}
        {{- end }}
+       {{- if eq .Values.volume.logs.type "emptyDir" }}
+        - name: logs
+          emptyDir: {}
+       {{- end }}
      {{- end }}
      {{- if .Values.global.enableSecurity }}
         - name: security-config

k8s/charts/seaweedfs/values.yaml

@@ -93,11 +93,18 @@ master:
   #  data:
   #    type: "existingClaim"
   #    claimName: "my-pvc"
+  #
+  # You can also use emptyDir storage:
+  #  data:
+  #    type: "emptyDir"
   data:
     type: "hostPath"
     storageClass: ""
     hostPathPrefix: /ssd
 
+  # You can also use emptyDir storage:
+  #  logs:
+  #    type: "emptyDir"
   logs:
     type: "hostPath"
     size: ""
@@ -275,9 +282,14 @@ volume:
   #     maxVolumes: 0  # If set to zero on non-windows OS, the limit will be auto configured. (default "7")
   #
   # You may also spacify an existing claim:
-  #    - name: data
-  #      type: "existingClaim"
-  #      claimName: "my-pvc"
+  #   - name: data
+  #     type: "existingClaim"
+  #     claimName: "my-pvc"
+  #     maxVolumes: 0  # If set to zero on non-windows OS, the limit will be auto configured. (default "7")
+  #
+  # You can also use emptyDir storage:
+  #   - name: data
+  #     type: "emptyDir"
   #     maxVolumes: 0  # If set to zero on non-windows OS, the limit will be auto configured. (default "7")
 
   dataDirs:
@@ -310,6 +322,11 @@ volume:
   # idx:
   #   type: "existingClaim"
   #   claimName: "myClaim"
+  #
+  # or
+  #
+  # idx:
+  #  type: "emptyDir"
 
   # same applies to "logs"
 
@@ -499,12 +516,19 @@ filer:
   #  data:
   #    type: "existingClaim"
   #    claimName: "my-pvc"
+  #
+  # You can also use emptyDir storage:
+  #  data:
+  #    type: "emptyDir"
   data:
     type: "hostPath"
     size: ""
     storageClass: ""
     hostPathPrefix: /storage
 
+  # You can also use emptyDir storage:
+  #  logs:
+  #    type: "emptyDir"
   logs:
     type: "hostPath"
     size: ""
@@ -783,6 +807,9 @@ s3:
   #   allowPrivilegeEscalation: false
   containerSecurityContext: {}
 
+  # You can also use emptyDir storage:
+  #  logs:
+  #    type: "emptyDir"
   logs:
     type: "hostPath"
     size: ""