doc: format yaml files

deploy/example/deployment.yaml

@@ -16,29 +16,29 @@ kind: Deployment
 metadata:
   name: deployment-nfs
 spec:
-  replicas: 3
+  replicas: 1
   selector:
     matchLabels:
-        name: deployment-nfs
+      name: deployment-nfs
   template:
     metadata:
+      name: deployment-nfs
+      labels:
         name: deployment-nfs
-        labels:
-            name: deployment-nfs
     spec:
       nodeSelector:
         "kubernetes.io/os": linux
       containers:
-      - name: deployment-nfs
-        image: mcr.microsoft.com/oss/nginx/nginx:1.17.3-alpine
-        command:
-          - "/bin/sh"
-          - "-c"
-          - while true; do echo $(hostname) $(date) >> /mnt/nfs/outfile; sleep 1; done
-        volumeMounts:
-          - name: nfs
-            mountPath: "/mnt/nfs"
+        - name: deployment-nfs
+          image: mcr.icrosoft.com/oss/nginx/nginx:1.19.5
+          command:
+            - "/bin/bash"
+            - "-c"
+            - set -euo pipefail; while true; do echo $(hostname) $(date) >> /mnt/nfs/outfile; sleep 1; done
+          volumeMounts:
+            - name: nfs
+              mountPath: "/mnt/nfs"
       volumes:
-      - name: nfs
-        persistentVolumeClaim:
-          claimName: pvc-deployment-nfs
+        - name: nfs
+          persistentVolumeClaim:
+            claimName: pvc-deployment-nfs

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

@@ -39,15 +39,15 @@ metadata:
   name: nginx-nfs-example
 spec:
   containers:
-  - image: nginx
-    name: nginx
-    ports:
-    - containerPort: 80
-      protocol: TCP
-    volumeMounts:
-      - mountPath: /var/www
-        name: pvc-nginx
+    - image: nginx
+      name: nginx
+      ports:
+        - containerPort: 80
+          protocol: TCP
+      volumeMounts:
+        - mountPath: /var/www
+          name: pvc-nginx
   volumes:
-  - name: pvc-nginx
-    persistentVolumeClaim:
-      claimName: pvc-nginx
+    - name: pvc-nginx
+      persistentVolumeClaim:
+        claimName: pvc-nginx

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

@@ -9,4 +9,4 @@ spec:
   resources:
     requests:
       storage: 10Gi
-  storageClassName: nfs-csi
+  storageClassName: nfs-csi

deploy/example/statefulset.yaml

@@ -7,7 +7,7 @@ metadata:
     app: nginx
 spec:
   serviceName: statefulset-nfs
-  replicas: 3
+  replicas: 1
   template:
     metadata:
       labels:
@@ -17,11 +17,11 @@ spec:
         "kubernetes.io/os": linux
       containers:
         - name: statefulset-nfs
-          image: mcr.microsoft.com/oss/nginx/nginx:1.17.3-alpine
+          image: mcr.microsoft.com/oss/nginx/nginx:1.19.5
           command:
-            - "/bin/sh"
+            - "/bin/bash"
             - "-c"
-            - while true; do echo $(date) >> /mnt/nfs/outfile; sleep 1; done
+            - set -euo pipefail; while true; do echo $(date) >> /mnt/nfs/outfile; sleep 1; done
           volumeMounts:
             - name: persistent-storage
               mountPath: /mnt/nfs

hack/verify-yamllint.sh

@@ -29,7 +29,7 @@ if [[ "${deployDirNum}" != "${helmDirNum}" ]]; then
   exit 1
 fi
 
-for path in "deploy/*.yaml"
+for path in "deploy/*.yaml" "deploy/example/*.yaml" "deploy/example/nfs-provisioner/*.yaml"
 do
     echo "checking yamllint under path: $path ..."
     yamllint -f parsable $path | grep -v "line too long" > $LOG