test: run non-root container test

Author: andyzhangx

Makefile

@@ -146,6 +146,7 @@ create-example-deployment:
 	kubectl apply -f deploy/example/storageclass-blobfuse.yaml
 	kubectl apply -f deploy/example/deployment.yaml
 	kubectl apply -f deploy/example/statefulset.yaml
+	kubectl apply -f deploy/example/statefulset-nonroot.yaml
 
 .PHONY: delete-metrics-svc
 delete-metrics-svc:

deploy/example/statefulset-nonroot.yaml

@@ -23,9 +23,9 @@ spec:
         - name: statefulset-blob
           image: andyzhangx/ubuntu1604:nonroot
           command:
-            - "/bin/sh"
+            - "/bin/bash"
             - "-c"
-            - while true; do echo $(date) >> /mnt/blob/outfile; sleep 1; done
+            - set -euo pipefail; while true; do echo $(date) >> /mnt/blob/outfile; sleep 1; done
           volumeMounts:
             - name: persistent-storage
               mountPath: /mnt/blob

deploy/example/statefulset.yaml

@@ -17,11 +17,11 @@ spec:
         "kubernetes.io/os": linux
       containers:
         - name: statefulset-blob
-          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/blob/outfile; sleep 1; done
+            - set -euo pipefail; while true; do echo $(date) >> /mnt/blob/outfile; sleep 1; done
           volumeMounts:
             - name: persistent-storage
               mountPath: /mnt/blob