deploy: add non-default namespace support for rbd kubernetes manifest files (backport #2340)

deploy/rbd/kubernetes/csi-nodeplugin-rbac.yaml

@@ -3,6 +3,8 @@ apiVersion: v1
 kind: ServiceAccount
 metadata:
   name: rbd-csi-nodeplugin
+  # replace with non-default namespace name
+  namespace: default
 ---
 kind: ClusterRole
 apiVersion: rbac.authorization.k8s.io/v1
@@ -36,6 +38,7 @@ metadata:
 subjects:
   - kind: ServiceAccount
     name: rbd-csi-nodeplugin
+    # replace with non-default namespace name
     namespace: default
 roleRef:
   kind: ClusterRole

deploy/rbd/kubernetes/csi-provisioner-rbac.yaml

@@ -3,6 +3,8 @@ apiVersion: v1
 kind: ServiceAccount
 metadata:
   name: rbd-csi-provisioner
+  # replace with non-default namespace name
+  namespace: default
 
 ---
 kind: ClusterRole
@@ -66,6 +68,7 @@ metadata:
 subjects:
   - kind: ServiceAccount
     name: rbd-csi-provisioner
+    # replace with non-default namespace name
     namespace: default
 roleRef:
   kind: ClusterRole

deploy/rbd/kubernetes/csi-rbdplugin-provisioner.yaml

@@ -3,6 +3,8 @@ kind: Service
 apiVersion: v1
 metadata:
   name: csi-rbdplugin-provisioner
+  # replace with non-default namespace name
+  namespace: default
   labels:
     app: csi-metrics
 spec:
@@ -19,6 +21,8 @@ kind: Deployment
 apiVersion: apps/v1
 metadata:
   name: csi-rbdplugin-provisioner
+  # replace with non-default namespace name
+  namespace: default
 spec:
   replicas: 3
   selector:
@@ -135,10 +139,10 @@ spec:
               valueFrom:
                 fieldRef:
                   fieldPath: spec.nodeName
-            # - name: POD_NAMESPACE
-            #   valueFrom:
-            #     fieldRef:
-            #       fieldPath: spec.namespace
+            - name: POD_NAMESPACE
+              valueFrom:
+                fieldRef:
+                  fieldPath: metadata.namespace
             # - name: KMS_CONFIGMAP_NAME
             #   value: encryptionConfig
             - name: CSI_ENDPOINT

deploy/rbd/kubernetes/csi-rbdplugin.yaml

@@ -3,6 +3,8 @@ kind: DaemonSet
 apiVersion: apps/v1
 metadata:
   name: csi-rbdplugin
+  # replace with non-default namespace name
+  namespace: default
 spec:
   selector:
     matchLabels:
@@ -73,10 +75,10 @@ spec:
               valueFrom:
                 fieldRef:
                   fieldPath: spec.nodeName
-            # - name: POD_NAMESPACE
-            #   valueFrom:
-            #     fieldRef:
-            #       fieldPath: spec.namespace
+            - name: POD_NAMESPACE
+              valueFrom:
+                fieldRef:
+                  fieldPath: metadata.namespace
             # - name: KMS_CONFIGMAP_NAME
             #   value: encryptionConfig
             - name: CSI_ENDPOINT
@@ -173,6 +175,8 @@ apiVersion: v1
 kind: Service
 metadata:
   name: csi-metrics-rbdplugin
+  # replace with non-default namespace name
+  namespace: default
   labels:
     app: csi-metrics
 spec: