Add integration test framework

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

hack/test-integration.sh

@@ -0,0 +1,36 @@
+#!/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.
+set -o nounset
+set -o pipefail
+
+source $(dirname "${BASH_SOURCE[0]}")/test-utils.sh
+cd ${ROOT}
+
+# FOCUS focuses the test to run.
+FOCUS=${FOCUS:-""}
+# REPORT_DIR is the the directory to store test logs.
+REPORT_DIR=${REPORT_DIR:-"/tmp/test-integration"}
+
+mkdir -p ${REPORT_DIR}
+test_setup ${REPORT_DIR}
+
+# Run integration test.
+sudo ${ROOT}/_output/integration.test --test.run="${FOCUS}" --test.v
+test_exit_code=$?
+
+test_teardown
+
+exit ${test_exit_code}