Add integration test for volume copy up.

Signed-off-by: Lantao Liu <lantaol@google.com>

integration/images/volume-copy-up/Dockerfile

@@ -0,0 +1,17 @@
+# Copyright 2018 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
+RUN sh -c "mkdir /test_dir; echo test_content > /test_dir/test_file"
+VOLUME "/test_dir"

integration/images/volume-copy-up/Makefile

@@ -0,0 +1,27 @@
+# Copyright 2018 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.
+
+all: build
+
+PROJ=gcr.io/k8s-cri-containerd
+VERSION=1.0
+IMAGE=$(PROJ)/volume-copy-up:$(VERSION)
+
+build:
+	docker build -t $(IMAGE) .
+
+push:
+	gcloud docker -- push $(IMAGE)
+
+.PHONY: build push