test: add default namespace in examples to fix e2e test failure

fix

Makefile

@@ -131,8 +131,8 @@ endif
 .PHONY: install-nfs-server
 install-nfs-server:
 	kubectl apply -f ./deploy/example/nfs-provisioner/nfs-server.yaml
-	kubectl delete secret mount-options --ignore-not-found
+	kubectl delete secret mount-options -n default --ignore-not-found
-	kubectl create secret generic mount-options --from-literal mountOptions="nfsvers=4.1"
+	kubectl create secret generic mount-options --from-literal mountOptions="nfsvers=4.1" -n default
 
 .PHONY: install-helm
 install-helm:

deploy/example/cloning/nginx-pod-restored-cloning.yaml

@@ -3,6 +3,7 @@ kind: Pod
 apiVersion: v1
 metadata:
   name: nginx-nfs-restored-cloning
+  namespace: default
 spec:
   nodeSelector:
     "kubernetes.io/os": linux

deploy/example/daemonset-nfs-ephemeral.yaml

@@ -3,6 +3,7 @@ kind: DaemonSet
 apiVersion: apps/v1
 metadata:
   name: daemonset-nfs-ephemeral
+  namespace: default
 spec:
   selector:
     matchLabels:

deploy/example/deployment.yaml

@@ -3,6 +3,7 @@ apiVersion: v1
 kind: PersistentVolumeClaim
 metadata:
   name: pvc-deployment-nfs
+  namespace: default
 spec:
   accessModes:
     - ReadWriteMany  # In this example, multiple Pods consume the same PVC.
@@ -15,6 +16,7 @@ apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: deployment-nfs
+  namespace: default
 spec:
   replicas: 1
   selector:

deploy/example/nfs-provisioner/nfs-server.yaml

@@ -3,6 +3,7 @@ kind: Service
 apiVersion: v1
 metadata:
   name: nfs-server
+  namespace: default
   labels:
     app: nfs-server
 spec:
@@ -21,6 +22,7 @@ kind: Deployment
 apiVersion: apps/v1
 metadata:
   name: nfs-server
+  namespace: default
 spec:
   replicas: 1
   selector:

deploy/example/nfs-provisioner/nginx-pod.yaml

@@ -5,6 +5,7 @@ metadata:
   annotations:
     pv.kubernetes.io/provisioned-by: nfs.csi.k8s.io
   name: pv-nginx
+  namespace: default
 spec:
   capacity:
     storage: 10Gi
@@ -26,6 +27,7 @@ kind: PersistentVolumeClaim
 apiVersion: v1
 metadata:
   name: pvc-nginx
+  namespace: default
 spec:
   accessModes:
     - ReadWriteOnce
@@ -39,6 +41,7 @@ apiVersion: v1
 kind: Pod
 metadata:
   name: nginx-nfs-example
+  namespace: default
 spec:
   containers:
     - image: nginx

deploy/example/nginx-pod-inline-volume.yaml

@@ -3,6 +3,7 @@ kind: Pod
 apiVersion: v1
 metadata:
   name: nginx-pod-inline-volume
+  namespace: default
 spec:
   nodeSelector:
     "kubernetes.io/os": linux

deploy/example/nginx-pod-nfs.yaml

@@ -3,6 +3,7 @@ kind: Pod
 apiVersion: v1
 metadata:
   name: nginx-nfs
+  namespace: default
 spec:
   nodeSelector:
     "kubernetes.io/os": linux

deploy/example/pvc-nfs-csi-dynamic.yaml

@@ -3,6 +3,7 @@ apiVersion: v1
 kind: PersistentVolumeClaim
 metadata:
   name: pvc-nfs-dynamic
+  namespace: default
 spec:
   accessModes:
     - ReadWriteMany

deploy/example/pvc-nfs-csi-static.yaml

@@ -3,6 +3,7 @@ kind: PersistentVolumeClaim
 apiVersion: v1
 metadata:
   name: pvc-nfs-static
+  namespace: default
 spec:
   accessModes:
     - ReadWriteMany

deploy/example/snapshot/nginx-pod-restored-snapshot.yaml

@@ -3,6 +3,7 @@ kind: Pod
 apiVersion: v1
 metadata:
   name: nginx-nfs-restored-snapshot
+  namespace: default
 spec:
   nodeSelector:
     "kubernetes.io/os": linux

deploy/example/statefulset.yaml

@@ -3,6 +3,7 @@ apiVersion: apps/v1
 kind: StatefulSet
 metadata:
   name: statefulset-nfs
+  namespace: default
   labels:
     app: nginx
 spec: