没有OOM异常时，Docker-compose退出代码为137

问题描述 投票：0回答：2

[当我运行以下命令时，我期望退出代码为0，因为我的combined容器运行的测试成功退出，退出代码为0。

docker-compose up --build --exit-code-from combined

[不幸的是，即使combined容器中的测试成功运行并且我以0的退出代码退出该容器，我也始终收到137的退出代码（有关此情况的更多详细信息，请在下面指定。）>

以下是我的docker-compose版本：

docker-compose version 1.25.0, build 0a186604

根据此post，137的退出代码可能是由于两个主要问题。
  1. 容器收到docker stop，并且应用未正常处理SIGTERM
  2. 容器已用完内存（OOM）。

    3. [我知道137退出代码不是因为我的容器内存不足。

运行docker inspect <container-id>时，我可以看到“ OOMKilled”为假，如下面的代码片段所示。我还为Docker Engine分配了6GB的内存，对我的应用程序来说足够了。
[
    {
        "Id": "db4a48c8e4bab69edff479b59d7697362762a8083db2b2088c58945fcb005625",
        "Created": "2019-12-12T01:43:16.9813461Z",
        "Path": "/scripts/init.sh",
        "Args": [],
        "State": {
            "Status": "exited",
            "Running": false,
            "Paused": false,
            "Restarting": false,
            "OOMKilled": false, <---- shows container did not run out of memory
            "Dead": false,
            "Pid": 0,
            "ExitCode": 137,
            "Error": "",
            "StartedAt": "2019-12-12T01:44:01.346592Z",
            "FinishedAt": "2019-12-12T01:44:11.5407553Z"
        },

我的容器没有从docker stop退出，所以我也不认为第一个原因与我的情况有关。

如何设置Docker容器

我有两个Docker容器：

  1. b-db-包含我的数据库
  2. b-combined
    3. -包含我的Web应用程序和一系列测试，一旦容器启动并运行，它们就会运行。

    我正在使用docker-compose.yml文件启动两个容器。

version: '3'
services:
    db:
        build:
            context: .
            dockerfile: ./docker/db/Dockerfile
        container_name: b-db
        restart: unless-stopped
        volumes:     
            - dbdata:/data/db
        ports:
            - "27017:27017"
        networks:
            - app-network

    combined:
        build:
            context: .
            dockerfile: ./docker/combined/Dockerfile
        container_name: b-combined
        restart: unless-stopped
        env_file: .env
        ports:
            - "5000:5000"
            - "8080:8080"
        networks:
            - app-network
        depends_on:
            - db

networks:
    app-network:
        driver: bridge

volumes:
    dbdata:
    node_modules:

下面是combined中docker-compose.yml服务的Dockerfile。
FROM cypress/included:3.4.1

WORKDIR /usr/src/app

COPY package*.json ./

RUN npm install

COPY . .

EXPOSE 5000

RUN npm install -g history-server nodemon

RUN npm run build-test

EXPOSE 8080

COPY ./docker/combined/init.sh /scripts/init.sh

RUN ["chmod", "+x", "/scripts/init.sh"]

ENTRYPOINT [ "/scripts/init.sh" ]

下面是我的init.sh文件中的内容。
#!/bin/bash
# Start front end server
history-server dist -p 8080 &
front_pid=$!

# Start back end server that interacts with DB
nodemon -L server &
back_pid=$!

# Run tests
NODE_ENV=test $(npm bin)/cypress run --config video=false --browser chrome

# Error code of the test
test_exit_code=$?

echo "TEST ENDED WITH EXIT CODE OF: $test_exit_code"

# End front and backend server
kill -9 $front_pid
kill -9 $back_pid

# Exit with the error code of the test
echo "EXITING SCRIPT WITH EXIT CODE OF: $test_exit_code"
exit "$test_exit_code"

以下是我的db服务的Dockerfile。它所做的全部工作就是将一些本地数据复制到Docker容器中，然后使用此数据初始化数据库。
FROM  mongo:3.6.14-xenial

COPY ./dump/ /tmp/dump/

COPY mongo_restore.sh /docker-entrypoint-initdb.d/

RUN chmod 777 /docker-entrypoint-initdb.d/mongo_restore.sh

下面是mongo_restore.sh中的内容。
#!/bin/bash
# Creates db using copied data
mongorestore /tmp/dump

下面是我运行docker-compose up --build --exit-code-from combined; echo $?时输出的最后几行。
...
b-combined | user disconnected
b-combined | Mongoose disconnected
b-combined | Mongoose disconnected through Heroku app shutdown
b-combined | TEST ENDED WITH EXIT CODE OF: 0 ===========================
b-combined | EXITING SCRIPT WITH EXIT CODE OF: 0 =====================================
Aborting on container exit...
Stopping b-combined   ... done
137

如上所示，令人困惑的是，由于我的所有测试均成功通过，但测试和脚本以退出代码0结束，但是容器仍以退出代码137退出。

更令人困惑的是，当我从init.sh文件中注释掉以下行（运行我的Cypress集成测试）时，容器退出，退出代码为0，如下所示。

NODE_ENV=test $(npm bin)/cypress run --config video=false --browser chrome

[下面是我注释掉/从init.sh中删除上述行时收到的输出，这是运行Cypress集成测试的命令。
...
b-combined | TEST ENDED WITH EXIT CODE OF: 0 ===========================
b-combined | EXITING SCRIPT WITH EXIT CODE OF: 0 =====================================
Aborting on container exit...
Stopping b-combined   ... done
0

当测试成功运行时，如何让docker-compose返回零退出代码，而在测试失败时如何返回非零退出代码？

编辑：

在调试模式下运行以下docker-compose命令后，我注意到b-db似乎在关闭时遇到了一些麻烦，因此可能正在从Docker接收到SIGKILL信号。

docker-compose --log-level DEBUG up --build --exit-code-from combined; echo $?

根据以下输出，确实是这种情况吗？
...
b-combined exited with code 0
Aborting on container exit...
http://localhost:None "GET /v1.25/containers/196f3e622847b4c4c82d8d761f9f19155561be961eecfe874bbb04def5b7c9e5/json HTTP/1.1" 200 None
http://localhost:None "GET /v1.25/containers/json?limit=-1&all=1&size=0&trunc_cmd=0&filters=%7B%22label%22%3A+%5B%22com.docker.compose.project%3Db-property%22%2C+%22com.docker.compose.oneoff%3DFalse%22%5D%7D HTTP/1.1" 200 3819
http://localhost:None "GET /v1.25/containers/196f3e622847b4c4c82d8d761f9f19155561be961eecfe874bbb04def5b7c9e5/json HTTP/1.1" 200 None
http://localhost:None "GET /v1.25/containers/0626d6bf49e5236440c82de4e969f31f4f86280d6f8f555f05b157fa53bae9b8/json HTTP/1.1" 200 None
http://localhost:None "GET /v1.25/containers/196f3e622847b4c4c82d8d761f9f19155561be961eecfe874bbb04def5b7c9e5/json HTTP/1.1" 200 None
http://localhost:None "GET /v1.25/containers/json?limit=-1&all=0&size=0&trunc_cmd=0&filters=%7B%22label%22%3A+%5B%22com.docker.compose.project%3Db-property%22%2C+%22com.docker.compose.oneoff%3DFalse%22%5D%7D HTTP/1.1" 200 4039
http://localhost:None "POST /v1.25/containers/196f3e622847b4c4c82d8d761f9f19155561be961eecfe874bbb04def5b7c9e5/attach?logs=0&stdout=1&stderr=1&stream=1 HTTP/1.1" 101 0
http://localhost:None "GET /v1.25/containers/196f3e622847b4c4c82d8d761f9f19155561be961eecfe874bbb04def5b7c9e5/json HTTP/1.1" 200 None
http://localhost:None "GET /v1.25/containers/196f3e622847b4c4c82d8d761f9f19155561be961eecfe874bbb04def5b7c9e5/json HTTP/1.1" 200 None
http://localhost:None "GET /v1.25/containers/0626d6bf49e5236440c82de4e969f31f4f86280d6f8f555f05b157fa53bae9b8/json HTTP/1.1" 200 None
Stopping b-combined   ...
Stopping b-db         ...
Pending: {<Container: b-db (0626d6)>, <Container: b-combined (196f3e)>}
Starting producer thread for <Container: b-combined (196f3e)>
http://localhost:None "GET /v1.25/containers/196f3e622847b4c4c82d8d761f9f19155561be961eecfe874bbb04def5b7c9e5/json HTTP/1.1" 200 None
http://localhost:None "GET /v1.25/containers/196f3e622847b4c4c82d8d761f9f19155561be961eecfe874bbb04def5b7c9e5/json HTTP/1.1" 200 None
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
http://localhost:None "GET /v1.25/containers/196f3e622847b4c4c82d8d761f9f19155561be961eecfe874bbb04def5b7c9e5/json HTTP/1.1" 200 None
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
Pending: {<Container: b-db (0626d6)>}
http://localhost:None "POST /v1.25/containers/196f3e622847b4c4c82d8d761f9f19155561be961eecfe874bbb04def5b7c9e5/wait HTTP/1.1" 200 32
http://localhost:None "POST /v1.25/containers/196f3e622847b4c4c82d8d761f9f19155561be961eecfe874bbb04def5b7c9e5/stop?t=10 HTTP/1.1" 204 0
http://localhost:None "GET /v1.25/containers/196f3e622847b4c4c82d8d761f9f19155561be961eecfe874bbb04def5b7c9e5/json HTTP/1.1" 200 None
http://localhost:None "POST /v1.25/containers/196f3e622847b4c4c82d8d761f9f19155561bStopping b-combined   ... done
Finished processing: <Container: b-combined (196f3e)>
Pending: {<Container: b-db (0626d6)>}
Starting producer thread for <Container: b-db (0626d6)>
http://localhost:None "GET /v1.25/containers/196f3e622847b4c4c82d8d761f9f19155561be961eecfe874bbb04def5b7c9e5/json HTTP/1.1" 200 None
http://localhost:None "GET /v1.25/containers/0626d6bf49e5236440c82de4e969f31f4f86280d6f8f555f05b157fa53bae9b8/json HTTP/1.1" 200 None
Pending: set()
Pending: set()
Pending: set()
Pending: set()
Pending: set()
Pending: set()
http://localhost:None "GET /v1.25/containers/0626d6bf49e5236440c82de4e969f31f4f86280d6f8f555f05b157fa53bae9b8/json HTTP/1.1" 200 None
http://localhost:None "POST /v1.25/containers/0626d6bf49e5236440c82de4e969f31f4f86280d6f8f555f05b157fa53bae9b8/stop?t=10 HTTP/1.1" 204 0
http://localhost:None "POST /v1.25/containers/0626d6bf49e5236440c82de4e969f31f4f86280d6f8f555f05b157fa53bae9b8/wait HTTP/1.1" 200 30
Stopping b-db         ... done
Pending: set()
http://localhost:None "GET /v1.25/containers/0626d6bf49e5236440c82de4e969f31f4f86280d6f8f555f05b157fa53bae9b8/json HTTP/1.1" 200 None
http://localhost:None "GET /v1.25/containers/196f3e622847b4c4c82d8d761f9f19155561be961eecfe874bbb04def5b7c9e5/json HTTP/1.1" 200 None
137

当我运行以下命令时，我期望退出代码为0，因为我的组合容器运行的测试成功退出，退出代码为0。docker-compose up --build --exit-code-from .. 。

docker docker-compose cypress
2个回答
1
投票

此错误消息使我震惊：Aborting on container exit...

0
投票

[不确定这是否可以解决您的问题，但是您可以尝试为合并的dockerfile添加FROM scratch吗？

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