doc: add daemonset-nfs-ephemeral.yaml example

deploy/example/daemonset-nfs-ephemeral.yaml

@@ -0,0 +1,38 @@
+---
+kind: DaemonSet
+apiVersion: apps/v1
+metadata:
+  name: daemonset-nfs-ephemeral
+spec:
+  selector:
+    matchLabels:
+      app: daemonset-nfs-ephemeral
+  template:
+    metadata:
+      labels:
+        app: daemonset-nfs-ephemeral
+    spec:
+      nodeSelector:
+        kubernetes.io/os: linux
+      containers:
+        - name: nginx
+          image: mcr.microsoft.com/oss/nginx/nginx:1.19.5
+          command:
+            - "/bin/bash"
+            - "-c"
+            - set -euo pipefail; while true; do echo $(date) >> /mnt/nfs/outfile; sleep 1; done
+          volumeMounts:
+            - name: nfs
+              mountPath: "/mnt/nfs"
+              readOnly: false
+      volumes:
+        - name: nfs
+          ephemeral:
+            volumeClaimTemplate:
+              spec:
+                accessModes:
+                  - ReadWriteOnce
+                resources:
+                  requests:
+                    storage: 10Gi
+                storageClassName: nfs-csi

hack/verify-examples.sh

@@ -20,6 +20,7 @@ echo "begin to create deployment examples ..."
 kubectl apply -f ./deploy/example/storageclass-nfs.yaml
 kubectl apply -f ./deploy/example/deployment.yaml
 kubectl apply -f ./deploy/example/statefulset.yaml
+kubectl apply -f ./deploy/example/daemonset-nfs-ephemeral.yaml
 
 echo "sleep 60s ..."
 sleep 60
@@ -29,5 +30,6 @@ kubectl get pods -o wide
 
 kubectl get pods --field-selector status.phase=Running | grep deployment-nfs
 kubectl get pods --field-selector status.phase=Running | grep statefulset-nfs-0
+kubectl get pods --field-selector status.phase=Running | grep daemonset-nfs-ephemeral
 
 echo "deployment examples running completed."