Merge pull request #390 from ShyamsundarR/stateless-cephfs

Make CephFS plugin stateless reusing RADOS based journal scheme

deploy/cephfs/helm/templates/csiplugin-configmap.yaml

@@ -0,0 +1,14 @@
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ .Values.configMapName | quote }}
+  labels:
+    app: {{ include "ceph-csi-cephfs.name" . }}
+    chart: {{ include "ceph-csi-cephfs.chart" . }}
+    component: {{ .Values.provisioner.name }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+data:
+  config.json: |-
+    []

deploy/cephfs/helm/templates/nodeplugin-daemonset.yaml

@@ -104,6 +104,8 @@ spec:
             - mountPath: /lib/modules
               name: lib-modules
               readOnly: true
+            - name: ceph-csi-config
+              mountPath: /etc/ceph-csi-config/
           resources:
 {{ toYaml .Values.nodeplugin.plugin.resources | indent 12 }}
       volumes:
@@ -137,6 +139,9 @@ spec:
         - name: lib-modules
           hostPath:
             path: /lib/modules
+        - name: ceph-csi-config
+          configMap:
+            name: {{ .Values.configMapName | quote }}
     {{- if .Values.nodeplugin.affinity -}}
       affinity:
 {{ toYaml .Values.nodeplugin.affinity . | indent 8 }}

deploy/cephfs/helm/templates/provisioner-statefulset.yaml

@@ -86,6 +86,8 @@ spec:
               mountPath: {{ .Values.socketDir }}
             - name: host-rootfs
               mountPath: "/rootfs"
+            - name: ceph-csi-config
+              mountPath: /etc/ceph-csi-config/
           resources:
 {{ toYaml .Values.nodeplugin.plugin.resources | indent 12 }}
       volumes:
@@ -95,6 +97,9 @@ spec:
         - name: host-rootfs
           hostPath:
             path: /
+        - name: ceph-csi-config
+          configMap:
+            name: {{ .Values.configMapName | quote }}
     {{- if .Values.provisioner.affinity -}}
       affinity:
 {{ toYaml .Values.provisioner.affinity . | indent 8 }}

deploy/cephfs/helm/values.yaml

@@ -18,6 +18,7 @@ socketFile: csi.sock
 registrationDir: /var/lib/kubelet/plugins_registry
 volumeDevicesDir: /var/lib/kubelet/plugins/kubernetes.io/csi/volumeDevices
 driverName: cephfs.csi.ceph.com
+configMapName: ceph-csi-config
 attacher:
   name: attacher
   enabled: true

deploy/cephfs/kubernetes/csi-cephfsplugin-provisioner.yaml

@@ -87,6 +87,8 @@ spec:
               readOnly: true
             - name: host-dev
               mountPath: /dev
+            - name: ceph-csi-config
+              mountPath: /etc/ceph-csi-config/
       volumes:
         - name: socket-dir
           hostPath:
@@ -101,3 +103,6 @@ spec:
         - name: host-dev
           hostPath:
             path: /dev
+        - name: ceph-csi-config
+          configMap:
+            name: ceph-csi-config

deploy/cephfs/kubernetes/csi-cephfsplugin.yaml

@@ -88,6 +88,8 @@ spec:
               readOnly: true
             - name: host-dev
               mountPath: /dev
+            - name: ceph-csi-config
+              mountPath: /etc/ceph-csi-config/
       volumes:
         - name: mount-cache-dir
           emptyDir: {}
@@ -116,3 +118,6 @@ spec:
         - name: host-dev
           hostPath:
             path: /dev
+        - name: ceph-csi-config
+          configMap:
+            name: ceph-csi-config

deploy/cephfs/kubernetes/csi-config-map.yaml

@@ -0,0 +1,8 @@
+---
+apiVersion: v1
+kind: ConfigMap
+data:
+  config.json: |-
+    []
+metadata:
+  name: ceph-csi-config