Merge pull request #22016 from ericgribkoff/xds_kokoro

Run C++ xDS tests on Kokoro

tools/internal_ci/linux/grpc_xds.cfg

@@ -0,0 +1,19 @@
+# Copyright 2020 gRPC 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.
+
+# Config file for the internal CI (in protobuf text format)
+
+# Location of the continuous shell script in repository.
+build_file: "grpc/tools/internal_ci/linux/grpc_xds.sh"
+timeout_mins: 60

tools/internal_ci/linux/grpc_xds.sh

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+#!/usr/bin/env bash
+# Copyright 2020 gRPC 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 -ex
+
+# change to grpc repo root
+cd $(dirname $0)/../../..
+
+tools/run_tests/helper_scripts/prep_xds.sh
+python3 tools/run_tests/run_xds_tests.py \
+    --test_case=all \
+    --project_id=grpc-testing \
+    --gcp_suffix=$(date '+%s') \
+    --verbose \
+    --client_cmd='bazel run test/cpp/interop:xds_interop_client -- --server=xds-experimental:///{service_host}:{service_port} --stats_port={stats_port} --qps={qps}'