Configuración de un nodo de Selenium con archivo json

nodeconfig.json

{
    "proxy": "org.openqa.grid.selenium.proxy.DefaultRemoteProxy",
    "host": "<ip-del-nodo>",
    "port": <puerto-del-nodo>,
    "register": true,
    "hub": "http://<ip-del-hub>:<puerto-del-hub>"
}

start.bat

@echo off
set WEBDRIVER_HOME="c:\ruta\de\tu\webdriver"
set PATH=%WEBDRIVER_HOME%;%PATH%
java -jar selenium-server-standalone-3.4.0.jar -role node -nodeConfig nodeconfig.json
@echo on

start.sh

export WEBDRIVER_HOME="/ruta/de/tu/webdriver"
export PATH="$WEBDRIVER_HOME:$PATH"
java -jar selenium-server-standalone-3.4.0.jar -role node -nodeConfig nodeconfig.json