Add generated file

This PR adds generated files under pkg/client and vendor folder.

vendor/k8s.io/kubernetes/cluster/images/etcd-empty-dir-cleanup/Dockerfile

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+# Copyright 2016 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.
+
+FROM busybox
+
+COPY etcdctl etcd-empty-dir-cleanup.sh /
+RUN chmod a+rx /etcdctl /etcd-empty-dir-cleanup.sh
+
+ENV ETCDCTL /etcdctl
+ENV SLEEP_SECOND 3600
+
+USER nobody:nogroup
+
+ENTRYPOINT ["/etcd-empty-dir-cleanup.sh"]

vendor/k8s.io/kubernetes/cluster/images/etcd-empty-dir-cleanup/Makefile

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+# Copyright 2016 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.
+
+.PHONY:	build push
+
+ETCD_VERSION = 3.2.18
+# Image should be pulled from k8s.gcr.io, which will auto-detect
+# region (us, eu, asia, ...) and pull from the closest.
+REGISTRY = k8s.gcr.io
+# Images should be pushed to staging-k8s.gcr.io.
+PUSH_REGISTRY = staging-k8s.gcr.io
+TAG = 3.2.18.0
+
+clean:
+	rm -rf etcdctl etcd-v$(ETCD_VERSION)-linux-amd64 etcd-v$(ETCD_VERSION)-linux-amd64.tar.gz
+
+build: clean
+	curl -L -O https://github.com/coreos/etcd/releases/download/v$(ETCD_VERSION)/etcd-v$(ETCD_VERSION)-linux-amd64.tar.gz
+	tar xzvf etcd-v$(ETCD_VERSION)-linux-amd64.tar.gz
+	cp etcd-v$(ETCD_VERSION)-linux-amd64/etcdctl .
+	docker build --pull -t $(REGISTRY)/etcd-empty-dir-cleanup:$(TAG) .
+	rm -rf etcdctl etcd-v$(ETCD_VERSION)-linux-amd64 etcd-v$(ETCD_VERSION)-linux-amd64.tar.gz
+
+push: build
+	docker tag $(REGISTRY)/etcd-empty-dir-cleanup:$(TAG) $(PUSH_REGISTRY)/etcd-empty-dir-cleanup:$(TAG)
+	docker push $(PUSH_REGISTRY)/etcd-empty-dir-cleanup:$(TAG)

vendor/k8s.io/kubernetes/cluster/images/etcd-empty-dir-cleanup/etcd-empty-dir-cleanup.sh

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+#!/bin/sh
+
+# Copyright 2016 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.
+
+echo "Removing empty directories from etcd..."
+
+cleanup_empty_dirs () {
+  if [ "$(${ETCDCTL} ls $1)" ]; then
+    for SUBDIR in $(${ETCDCTL} ls -p $1 | grep "/$")
+    do
+      cleanup_empty_dirs ${SUBDIR}
+    done
+  else
+    echo "Removing empty key $1 ..."
+    ${ETCDCTL} rmdir $1
+  fi
+}
+
+while true
+do
+  echo "Starting cleanup..."
+  cleanup_empty_dirs "/registry"
+  echo "Done with cleanup."
+  sleep ${SLEEP_SECOND}
+done