gRCPサンプルの実行環境をDockerに移行
はじめに
前回の記事のNext Actionだった、gRCPサンプルの実行環境をDockerに変更を行なった。
ソース
実施
前回の記事ではgRCPサンプルgreeter_server.py, greeter_client.pyをローカル環境で実行していた。
今回はdocker-compose upでそれぞれのDocker環境を用意するようにした。
MacBook-Pro:grpc-test satoukensuke$ docker-compose up Building server Step 1/8 : FROM python:3.9.6 3.9.6: Pulling from library/python 4c25b3090c26: Pull complete 1acf565088aa: Pull complete b95c0dd0dc0d: Pull complete 5cf06daf6561: Pull complete 942374d5c114: Pull complete 64c0f10e4cfa: Pull complete 76571888410b: Pull complete 5e88ca15437b: Pull complete 0ab5ec771994: Pull complete Digest: sha256:8f642902ba368481c9aca0a100f08daf93793c6fa14d3002253ea3cd210383a7 Status: Downloaded newer image for python:3.9.6 ---> 1e76b28bfd4e Step 2/8 : RUN mkdir /service ---> Running in 6180a22573cb Removing intermediate container 6180a22573cb ---> 6d58e02c9b7f Step 3/8 : COPY protobufs/ /service/protobufs/ ---> 71feba714fdb Step 4/8 : COPY server/ /service/server/ ---> 2e6df3c0c61a Step 5/8 : EXPOSE 50051 ---> Running in 0bf536a955c8 Removing intermediate container 0bf536a955c8 ---> b479f119e6c6 Step 6/8 : WORKDIR /service/server/ ---> Running in a3cbfded4a25 Removing intermediate container a3cbfded4a25 ---> 2218b025f77b Step 7/8 : RUN pip install -r requirements.txt ---> Running in 7a25d264e921 Collecting grpcio==1.39.0 Downloading grpcio-1.39.0-cp39-cp39-manylinux2014_x86_64.whl (4.3 MB) Collecting grpcio-tools==1.39.0 Downloading grpcio_tools-1.39.0-cp39-cp39-manylinux2014_x86_64.whl (2.5 MB) Collecting protobuf==3.17.3 Downloading protobuf-3.17.3-cp39-cp39-manylinux_2_5_x86_64.manylinux1_x86_64.whl (1.0 MB) Collecting six>=1.5.2 Downloading six-1.16.0-py2.py3-none-any.whl (11 kB) Requirement already satisfied: setuptools in /usr/local/lib/python3.9/site-packages (from grpcio-tools==1.39.0->-r requirements.txt (line 2)) (57.4.0) Installing collected packages: six, protobuf, grpcio, grpcio-tools Successfully installed grpcio-1.39.0 grpcio-tools-1.39.0 protobuf-3.17.3 six-1.16.0 WARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system package manager. It is recommended to use a virtual environment instead: https://pip.pypa.io/warnings/venv Removing intermediate container 7a25d264e921 ---> acd83dc0df0c Step 8/8 : RUN python -m grpc_tools.protoc -I ../protobufs --python_out=. --grpc_python_out=. ../protobufs/helloworld.proto ---> Running in 3578fd3820ac Removing intermediate container 3578fd3820ac ---> 8139333794d2 Successfully built 8139333794d2 Successfully tagged grpc-test_server:latest WARNING: Image for service server was built because it did not already exist. To rebuild this image you must use `docker-compose build` or `docker-compose up --build`. Building client Step 1/8 : FROM python:3.9.6 ---> 1e76b28bfd4e Step 2/8 : RUN mkdir /service ---> Using cache ---> 6d58e02c9b7f Step 3/8 : COPY protobufs/ /service/protobufs/ ---> Using cache ---> 71feba714fdb Step 4/8 : COPY client/ /service/client ---> 0d9754f91b51 Step 5/8 : EXPOSE 50050 ---> Running in 8dc638c154be Removing intermediate container 8dc638c154be ---> a9ac09980164 Step 6/8 : WORKDIR /service/client ---> Running in fe0b3167571f Removing intermediate container fe0b3167571f ---> db37ff46721b Step 7/8 : RUN pip install -r requirements.txt ---> Running in fbf3083c440d Collecting grpcio==1.39.0 Downloading grpcio-1.39.0-cp39-cp39-manylinux2014_x86_64.whl (4.3 MB) Collecting grpcio-tools==1.39.0 Downloading grpcio_tools-1.39.0-cp39-cp39-manylinux2014_x86_64.whl (2.5 MB) Collecting protobuf==3.17.3 Downloading protobuf-3.17.3-cp39-cp39-manylinux_2_5_x86_64.manylinux1_x86_64.whl (1.0 MB) Collecting six>=1.5.2 Downloading six-1.16.0-py2.py3-none-any.whl (11 kB) Requirement already satisfied: setuptools in /usr/local/lib/python3.9/site-packages (from grpcio-tools==1.39.0->-r requirements.txt (line 2)) (57.4.0) Installing collected packages: six, protobuf, grpcio, grpcio-tools Successfully installed grpcio-1.39.0 grpcio-tools-1.39.0 protobuf-3.17.3 six-1.16.0 WARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system package manager. It is recommended to use a virtual environment instead: https://pip.pypa.io/warnings/venv Removing intermediate container fbf3083c440d ---> 47c38bd90bc0 Step 8/8 : RUN python -m grpc_tools.protoc -I ../protobufs --python_out=. --grpc_python_out=. ../protobufs/helloworld.proto ---> Running in 41b34a563bde Removing intermediate container 41b34a563bde ---> 598956e4f281 Successfully built 598956e4f281 Successfully tagged grpc-test_client:latest WARNING: Image for service client was built because it did not already exist. To rebuild this image you must use `docker-compose build` or `docker-compose up --build`. Creating grpc-test_server_1 ... done Creating grpc-test_client_1 ... done Attaching to grpc-test_server_1, grpc-test_client_1 server_1 | Python 3.9.6 (default, Aug 17 2021, 15:37:33) server_1 | [GCC 10.2.1 20210110] on linux server_1 | Type "help", "copyright", "credits" or "license" for more information. client_1 | Python 3.9.6 (default, Aug 17 2021, 15:37:33) client_1 | [GCC 10.2.1 20210110] on linux client_1 | Type "help", "copyright", "credits" or "license" for more information.
サーバ用コンテナに乗り込み、greeter_server.pyを実行。
MacBook-Pro:~ satoukensuke$ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 0e70af7f1bb9 grpc-test_server "python3" 16 minutes ago Up 16 minutes 0.0.0.0:50051->50051/tcp grpc-test_server_1 c9484035278e grpc-test_client "python3" 16 minutes ago Up 16 minutes 0.0.0.0:50050->50050/tcp grpc-test_client_1 MacBook-Pro:~ satoukensuke$ docker exec -it grpc-test_server_1 /bin/bash root@SERVER:/service/server# python greeter_server.py
クライアント用コンテナに乗り込み、greeter_client.pyを実行。
サンプルと同じ結果が返却され、gRPCで通信できていることを確認できた。
MacBook-Pro:~ satoukensuke$ docker exec -it grpc-test_client_1 /bin/bash root@CLIENT:/service/client# python greeter_client.py Greeter client received: Hello, you!
