*.sh: cleanup all white noise

Signed-off-by: Xiang Dai <long0dai@foxmail.com>

cluster/get-kube-binaries.sh

@@ -147,7 +147,7 @@ function download_tarball() {
   local -r download_path="$1"
   local -r file="$2"
   local trace_on="off"
-  if [[ -o xtrace ]]; then 
+  if [[ -o xtrace ]]; then
     trace_on="on"
     set +x
   fi

cluster/images/conformance/run_e2e.sh

@@ -37,7 +37,7 @@ saveResults() {
 }
 
 # Optional Golang runner alternative to the bash script.
-# Entry provided via env var to simplify invocation. 
+# Entry provided via env var to simplify invocation.
 if [[ -n ${E2E_USE_GO_RUNNER:-} ]]; then
     set -x
     /gorunner && ret=0 || ret=$?

cluster/kubemark/gce/config-default.sh

@@ -31,7 +31,7 @@ TEST_CLUSTER_LOG_LEVEL="${TEST_CLUSTER_LOG_LEVEL:-"--v=4"}"
 KUBE_GCE_INSTANCE_PREFIX="${KUBE_GCE_INSTANCE_PREFIX:-"default"}"
 
 # NUM_NODES is used by start-kubemark.sh to determine a correct number of replicas.
-NUM_NODES=${KUBEMARK_NUM_NODES:-10}	
+NUM_NODES=${KUBEMARK_NUM_NODES:-10}
 NUM_WINDOWS_NODES=${KUBEMARK_NUM_WINDOWS_NODES:-0}
 
 HOLLOW_KUBELET_TEST_LOG_LEVEL="${HOLLOW_KUBELET_TEST_LOG_LEVEL:-$TEST_CLUSTER_LOG_LEVEL}"

cluster/log-dump/log-dump.sh

@@ -270,7 +270,7 @@ function save-windows-logs-via-ssh() {
 
     export-windows-docker-event-log "${node}"
     export-windows-docker-images-list "${node}"
-    
+
     local remote_files=()
     for file in ${windows_node_logfiles[@]}; do
       remote_files+=( "${WINDOWS_LOGS_DIR}\\${file}" )

hack/ginkgo-e2e.sh

@@ -147,7 +147,7 @@ fi
 # The --host setting is used only when providing --auth_config
 # If --kubeconfig is used, the host to use is retrieved from the .kubeconfig
 # file and the one provided with --host is ignored.
-# Add path for things like running kubectl binary. 
+# Add path for things like running kubectl binary.
 PATH=$(dirname "${e2e_test}"):"${PATH}"
 export PATH
 "${ginkgo}" "${ginkgo_args[@]:+${ginkgo_args[@]}}" "${e2e_test}" -- \

hack/lib/util.sh

@@ -213,7 +213,7 @@ kube::util::find-binary-for-platform() {
     locations+=("$location");
   done < <(find "${KUBE_ROOT}/bazel-bin/" -type f -perm -111 \
     \( -path "*/${platform/\//_}*/${lookfor}" -o -path "*/${lookfor}" \) 2>/dev/null || true)
-  
+
   # List most recently-updated location.
   local -r bin=$( (ls -t "${locations[@]}" 2>/dev/null || true) | head -1 )
   echo -n "${bin}"

hack/lint-dependencies.sh

@@ -76,8 +76,8 @@ for forbidden_repo in "${forbidden_repos[@]}"; do
 done
 
 outdated=$(go list -m -json all | jq -r "
-  select(.Replace.Version != null) | 
-  select(.Version != .Replace.Version) | 
+  select(.Replace.Version != null) |
+  select(.Version != .Replace.Version) |
   ${filter}
   select(.Path) |
   \"\(.Path)

hack/make-rules/test-cmd.sh

@@ -76,7 +76,7 @@ function run_kube_apiserver() {
 }
 
 # Runs run_kube_controller_manager
-# 
+#
 # Exports:
 #   CTLRMGR_PID
 function run_kube_controller_manager() {
@@ -96,7 +96,7 @@ function run_kube_controller_manager() {
 
 # Creates a node object with name 127.0.0.1. This is required because we do not
 # run kubelet.
-# 
+#
 # Exports:
 #   SUPPORTED_RESOURCES(Array of all resources supported by the apiserver).
 function create_node() {
@@ -121,7 +121,7 @@ __EOF__
 # 2) $WHAT is not empty and kubeadm is part of $WHAT
 WHAT=${WHAT:-}
 if [[ ${WHAT} == "" || ${WHAT} =~ .*kubeadm.* ]] ; then
-  kube::log::status "Running kubeadm tests"  
+  kube::log::status "Running kubeadm tests"
 
   # build kubeadm
   make all -C "${KUBE_ROOT}" WHAT=cmd/kubeadm

hack/make-rules/test-e2e-kubeadm.sh

@@ -55,7 +55,7 @@ if [[ ! -d "${artifacts}" ]]; then
 fi
 echo "Test artifacts will be written to ${artifacts}"
 
-# Test 
+# Test
 kube::golang::verify_go_version
 
 go run test/e2e_kubeadm/runner/local/run_local.go \

hack/make-rules/test-e2e-node.sh

@@ -46,7 +46,7 @@ extra_envs=${EXTRA_ENVS:-}
 
 # Parse the flags to pass to ginkgo
 ginkgoflags=""
-if [[ ${parallelism} -gt 1 ]]; then  
+if [[ ${parallelism} -gt 1 ]]; then
   ginkgoflags="${ginkgoflags} -nodes=${parallelism} "
 fi
 

hack/update-all.sh

@@ -16,8 +16,8 @@
 
 # This script is a vestigial redirection.  Please do not add "real" logic.
 # The "true" target of this makerule is `hack/make-rules/update.sh`.
-# We should run `hack/update-all.sh` if anything fails after 
-# running `hack/verify-all.sh`. It is equivalent to `make update`. 
+# We should run `hack/update-all.sh` if anything fails after
+# running `hack/verify-all.sh`. It is equivalent to `make update`.
 # Usage: `hack/update-all.sh` or `make update`.
 
 set -o errexit

hack/update-bazel.sh

@@ -62,7 +62,7 @@ done
 
 # Run gazelle to update Go rules in BUILD files.
 # filter out known pkg-config error (see buildozer workaround below)
-# NOTE: the `|| exit "${PIPESTATUS[0]}"` is to ignore grep errors 
+# NOTE: the `|| exit "${PIPESTATUS[0]}"` is to ignore grep errors
 # while preserving the exit code of gazelle
 gazelle fix \
     -external=vendored \

hack/update-import-aliases.sh

@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# This script fixes imports programmatically according to 
+# This script fixes imports programmatically according to
 # all the imports that we have our preferred alias(es).
 # Usage: `hack/update-import-aliases.sh`.
 

hack/update-translations.sh

@@ -14,8 +14,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# This script updates `translations/kubectl/template.pot` for 
-# `pkg/kubectl/cmd/*.go pkg/kubectl/cmd/*/*.go`. 
+# This script updates `translations/kubectl/template.pot` for
+# `pkg/kubectl/cmd/*.go pkg/kubectl/cmd/*/*.go`.
 # Usage: `update-translations.sh`.
 
 KUBE_ROOT=$(dirname "${BASH_SOURCE[0]}")/..

test/e2e_node/conformance/run_test.sh

@@ -120,7 +120,7 @@ start_kubelet() {
   # we want to run this command as root but log the file to a normal user file
   # (so disable SC2024)
   # shellcheck disable=SC2024
-  if ! sudo -b "${KUBELET}" "$@" &>"${LOG_DIR}/${kubelet_log}"; then 
+  if ! sudo -b "${KUBELET}" "$@" &>"${LOG_DIR}/${kubelet_log}"; then
     echo "Failed to start kubelet"
     exit 1
   fi