Docker Selenium(2) 更改容器變量

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默認的Docker Selenium 只提供一個Browser Session可以用，每當有超過兩個Browser使用時，總是有一個在等待，這樣對於測試效率大大的降低，而建置時只要設好變量，就可以一次開10個…

加入變量

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# Browser 最大到10個
NODE_MAX_SESSION: 10
NODE_MAX_INSTANCES: 10
# VNC 沒有密碼
VNC_NO_PASSWORD: 1

docker-compose.yml

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# To execute this docker-compose yml file use docker-compose -f <file_name> up
# Add the "-d" flag at the end for deattached execution
version: '2'
services:
  firefox:
    image: selenium/node-firefox-debug:3.12.0-boron
    volumes:
      - /dev/shm:/dev/shm
    depends_on:
      - hub
    environment:
      HUB_HOST: hub
      NODE_MAX_SESSION: 10
      NODE_MAX_INSTANCES: 10
    ports:
      - "5900:5900"

  chrome:
    image: selenium/node-chrome-debug:3.12.0-boron
    volumes:
      - /dev/shm:/dev/shm
    depends_on:
      - hub
    environment:
      HUB_HOST: hub
      NODE_MAX_SESSION: 10
      NODE_MAX_INSTANCES: 10
    ports:
      - "5901:5900"
  hub:
    image: selenium/hub:3.12.0-boron
    ports:
      - "4454:4444"

執行結果

更多變量

透過docker inspect NAME|ID看容器變量。

Selenium hub 變量

selenium/hub:3.12.0-boron

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"Env": [
                "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
                "DEBIAN_FRONTEND=noninteractive",
                "DEBCONF_NONINTERACTIVE_SEEN=true",
                "TZ=UTC",
                "GRID_MAX_SESSION=5",
                "GRID_NEW_SESSION_WAIT_TIMEOUT=-1",
                "GRID_THROW_ON_CAPABILITY_NOT_PRESENT=true",
                "GRID_JETTY_MAX_THREADS=-1",
                "GRID_CLEAN_UP_CYCLE=5000",
                "GRID_BROWSER_TIMEOUT=0",
                "GRID_TIMEOUT=30",
                "GRID_DEBUG=false",
                "GRID_HUB_PORT=4444",
                "GRID_HUB_HOST=0.0.0.0"
            ],

Node 變量

selenium/node-chrome-debug:3.12.0-boron

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"Env": [
                "NODE_MAX_INSTANCES=10",
                "NODE_MAX_SESSION=10",
                "HUB_HOST=hub",
                "VNC_NO_PASSWORD=1",
                "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
                "DEBIAN_FRONTEND=noninteractive",
                "DEBCONF_NONINTERACTIVE_SEEN=true",
                "TZ=UTC",
                "LANG_WHICH=en",
                "LANG_WHERE=US",
                "ENCODING=UTF-8",
                "LANGUAGE=en_US.UTF-8",
                "LANG=en_US.UTF-8",
                "SCREEN_WIDTH=1360",
                "SCREEN_HEIGHT=1020",
                "SCREEN_DEPTH=24",
                "DISPLAY=:99.0",
                "NODE_HOST=0.0.0.0",
                "NODE_PORT=5555",
                "NODE_REGISTER_CYCLE=5000",
                "NODE_POLLING=5000",
                "NODE_UNREGISTER_IF_STILL_DOWN_AFTER=60000",
                "NODE_DOWN_POLLING_LIMIT=2",
                "NODE_APPLICATION_NAME=",
                "DBUS_SESSION_BUS_ADDRESS=/dev/null"
            ],