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  • circus 进程以及socket 管理工具&&docker运行

    circus 是由mozilla 团队开发基于python 以及zeromq 的进程以及socket 管理的工具,类似supervisord
    但是比supervisord 更灵活方便

    来自官方的使用比较

    • supervisord的

    • 来自circus 的

     

    docker 集成shiyong

    搜索docker hub 对于circus 的镜像并不是很多,而且文档也不是很清晰,所以自己使用
    pip 包安装的方式做了了一个简单的,方便测试,目前有一个bug,还在确定原因

    • 项目结构
     
    ├── Dockerfile
    ├── Dockerfile-Test
    ├── README.md
    ├── circus.ini
    ├── docker-compose.yaml
    └── entrypoint.sh
     
     
    • 代码说明
      Dockerfile: circus docker 镜像文件(构建)
     
    FROM python:slim-stretch
    LABEL AUTHOR="dalongrong"
    LABEL EMAIL="1141591465@qq.com"
    RUN apt-get update && apt-get install -y --reinstall build-essential 
        && pip install circus circus-web chaussette 
        && apt-get remove -y --purge build-essential 
        && rm -rf /var/lib/apt/lists/*

    Dockerfile-Test: 测试镜像使用的(基于上边构建的镜像)

    FROM dalongrong/circus
    WORKDIR /app
    COPY circus.ini /app/
    COPY entrypoint.sh /entrypoint.sh
    RUN chmod +x /entrypoint.sh
    ENTRYPOINT [ "/entrypoint.sh" ]
     

    circus.ini: demo 运行circus 配置,使用自带的demo

    [circus]
    statsd = True
    httpd = False
    [watcher:webapp]
    cmd = /usr/local/bin/chaussette --fd $(circus.sockets.web)
    numprocesses = 5
    use_sockets = True
    [socket:web]
    host = 0.0.0.0
    port = 9999
     
     

    entrypoint.sh: demo 镜像的entrypoint

    #!/bin/sh
    circusd /app/circus.ini

    docker-compose.yaml 使用docker-compose 构建镜像以及运行demo

    version: "3"
    services: 
      circus:
        build: ./
      web:
        build: 
          dockerfile: Dockerfile-Test
          context: ./
        ports: 
        - "9999:9999"
        - "8080:8080"

    构建&&运行

    • 构建
      为了加速以及方便构建使用了docker hub 的构建功能,只需要添加github 集成即可,构建好的
      镜像名称 dalongrong/circus
    • 使用
     
    docker-compose up -d web
    • 访问效果

    说明

    当前对于circushttpd web 配置的集成是有问题的,异常信息如下,还在解决中

    web_1 | SyntaxError: invalid syntax
    web_1 | Traceback (most recent call last):
    web_1 | File "<string>", line 1, in <module>
    web_1 | File "/usr/local/lib/python3.7/site-packages/circusweb/circushttpd.py", line 25, in <module>
    web_1 | import tornadio2
    web_1 | File "/usr/local/lib/python3.7/site-packages/tornadio2/__init__.py", line 25, in <module>
    web_1 | from tornadio2.router import TornadioRouter
    web_1 | File "/usr/local/lib/python3.7/site-packages/tornadio2/router.py", line 27, in <module>
    web_1 | from tornadio2 import persistent, polling, sessioncontainer, session, proto, preflight, stats
    web_1 | File "/usr/local/lib/python3.7/site-packages/tornadio2/persistent.py", line 143
    web_1 | except Exception, ex:
    web_1 | ^
    web_1 | SyntaxError: invalid syntax

    参考资料

    https://circus.readthedocs.io/en/latest/faq/
    https://github.com/rongfengliang/circus-docker
    https://cloud.docker.com/repository/docker/dalongrong/circus

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  • 原文地址:https://www.cnblogs.com/rongfengliang/p/10996117.html
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