chore: fix shellcheck issues

.prow.sh

@@ -1,3 +1,5 @@
+#! /bin/bash
+
 # Copyright 2020 The Kubernetes Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -12,8 +14,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-#! /bin/bash
-
 # A Prow job can override these defaults, but this shouldn't be necessary.
 
 # Only these tests make sense for csi-driver-nfs until we can integrate k/k

test/integration/run-test.sh

@@ -32,14 +32,14 @@ function provision_nfs_server {
   echo 'Installing NFS server on localhost'
   apt-get update -y
   apt-get install -y nfs-common
-  docker run -d --name nfs --privileged -p 2049:2049 -v $(pwd)/nfsshare:/nfsshare -e SHARED_DIRECTORY=/nfsshare itsthenetwork/nfs-server-alpine:latest
+  docker run -d --name nfs --privileged -p 2049:2049 -v "$(pwd)"/nfsshare:/nfsshare -e SHARED_DIRECTORY=/nfsshare itsthenetwork/nfs-server-alpine:latest
 }
 
 provision_nfs_server
 
 readonly CSC_BIN="$GOBIN/csc"
 readonly cap="1,mount,"
-readonly volname="citest-$(date +%s)"
+volname="citest-$(date +%s)"
 readonly volsize="2147483648"
 readonly endpoint="unix:///tmp/csi.sock"
 readonly target_path="/tmp/targetpath"
@@ -70,6 +70,7 @@ echo "publish volume test:"
 "$CSC_BIN" node publish --endpoint "$endpoint" --cap "$cap" --vol-context "$params" --target-path "$target_path" "$volumeid"
 sleep 2
 
+declare staging_target_path
 echo "node stats test:"
 csc node stats --endpoint "$endpoint" "$volumeid:$target_path:$staging_target_path"
 sleep 2

test/sanity/run-test.sh

@@ -42,7 +42,7 @@ function provision_nfs_server {
   echo 'Installing NFS server on localhost'
   apt-get update -y
   apt-get install -y nfs-common
-  docker run -d --name nfs --privileged -p 2049:2049 -v $(pwd)/nfsshare:/nfsshare -e SHARED_DIRECTORY=/nfsshare itsthenetwork/nfs-server-alpine:latest
+  docker run -d --name nfs --privileged -p 2049:2049 -v "$(pwd)"/nfsshare:/nfsshare -e SHARED_DIRECTORY=/nfsshare itsthenetwork/nfs-server-alpine:latest
 }
 
 provision_nfs_server

test/utils/check_driver_pods_restart.sh

@@ -1,3 +1,5 @@
+#!/bin/bash
+
 # Copyright 2020 The Kubernetes Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -12,8 +14,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-#!/bin/bash
-
 set -e
 
 echo "check the driver pods if restarts ..."
@@ -28,4 +28,4 @@ do
     fi
 done
 echo "no driver pods have restarted"
-echo "======================================================================================"
+echo "======================================================================================"

test/utils/nfs_log.sh

@@ -1,3 +1,5 @@
+#!/bin/bash
+
 # Copyright 2020 The Kubernetes Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -12,8 +14,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-#!/bin/bash
-
 set -e
 
 NS=kube-system