Merge pull request #49993 from mathspanda/master

Automatic merge from submit-queue

verify pkg/util contains no code

**What this PR does / why we need it**:
verify util packages contain no go codes

related issue: #49923

pkg/util/BUILD

@@ -60,3 +60,10 @@ filegroup(
     ],
     tags = ["automanaged"],
 )
+
+sh_test(
+    name = "verify-util-pkg",
+    size = "small",
+    srcs = ["verify-util-pkg.sh"],
+    data = glob(["*.go"]),
+)

pkg/util/verify-util-pkg.sh

@@ -0,0 +1,48 @@
+#!/bin/bash
+
+# Copyright 2017 The Kubernetes Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# verify-util-pkg.sh checks whether *.go except doc.go in pkg/util have been moved into
+# sub-pkgs, see issue #15634.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+BASH_DIR=$(dirname "${BASH_SOURCE}")
+
+find_go_files() {
+  find . -maxdepth 1 -not \( \
+      \( \
+        -wholename './doc.go' \
+      \) -prune \
+    \) -name '*.go'
+}
+
+ret=0
+
+pushd "${BASH_DIR}" > /dev/null
+  for path in `find_go_files`; do
+    file=$(basename $path)
+    echo "Found pkg/util/${file}, but should be moved into util sub-pkgs." 1>&2
+    ret=1
+  done
+popd > /dev/null
+
+if [[ ${ret} > 0 ]]; then
+  exit ${ret}
+fi
+
+echo "Util Package Verified."