automate running of interop tests on java connector code

Author: vnorigoog

docker-compose.yml

@@ -120,3 +120,8 @@ services:
     image: grpcweb/interop-client
     ports:
       - "8081:8081"
+  java-interop-server:
+    build:
+      context: ./
+      dockerfile: ./net/grpc/gateway/docker/java_interop_server/Dockerfile
+    image: grpcweb/java-interop-server

net/grpc/gateway/docker/java_interop_server/Dockerfile

@@ -0,0 +1,42 @@
+# Copyright 2018 Google LLC
+#
+# 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
+#
+#     https://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 maven:3.6.1-jdk-8
+
+RUN apt-get -qq update && apt-get -qq install -y \
+  unzip
+
+WORKDIR /tmp
+
+RUN curl -sSL https://github.com/protocolbuffers/protobuf/releases/download/v3.12.2/\
+protoc-3.12.2-linux-x86_64.zip -o protoc.zip && \
+  unzip -qq protoc.zip && \
+  cp ./bin/protoc /usr/local/bin/protoc
+
+RUN curl -sSL https://github.com/grpc/grpc-web/releases/download/1.2.0/\
+protoc-gen-grpc-web-1.2.0-linux-x86_64 -o /usr/local/bin/protoc-gen-grpc-web && \
+  chmod +x /usr/local/bin/protoc-gen-grpc-web
+
+WORKDIR /var/www/html/dist
+
+WORKDIR /github/grpc-web
+
+RUN git clone https://github.com/grpc/grpc-web . && \
+  cd src/connector && \
+  mvn install && \
+  cd ../../net/grpc/gateway/examples/grpc-web-java/interop-test-service && \
+  mvn package 
+
+ENTRYPOINT ["java", "-cp", "net/grpc/gateway/examples/grpc-web-java/interop-test-service/target/interop-test-0.1-jar-with-dependencies.jar", "grpcweb.examples.StartServiceAndGrpcwebProxy"]
+

scripts/run_interop_tests.sh

@@ -14,6 +14,11 @@
 # limitations under the License.
 set -ex
 
+run_tests () {
+  docker run --network=host --rm grpcweb/prereqs /bin/bash \
+    /github/grpc-web/scripts/docker-run-interop-tests.sh
+}
+
 SCRIPT_DIR=$(dirname "$0")
 REPO_DIR=$(realpath "${SCRIPT_DIR}/..")
 
@@ -31,7 +36,7 @@ done
 
 
 # Build all relevant docker images. They should all build successfully.
-docker-compose build common prereqs node-interop-server interop-client
+docker-compose build common prereqs node-interop-server interop-client java-interop-server
 
 
 # Run interop tests
@@ -40,13 +45,19 @@ pid1=$(docker run -d \
   --network=host envoyproxy/envoy:v1.14.1)
 pid2=$(docker run -d --network=host grpcweb/node-interop-server)
 
-docker run --network=host --rm grpcweb/prereqs /bin/bash \
-  /github/grpc-web/scripts/docker-run-interop-tests.sh
+run_tests
 
 docker rm -f "$pid1"
 docker rm -f "$pid2"
 
 
+#
+# Run interop tests against grpc-web java connector code
+#
+pid3=$(docker run -d --network=host grpcweb/java-interop-server)
+run_tests
+docker rm -f "$pid3"
+
 # Clean up
 git clean -f -d -x
 echo 'Completed'