DefaultRemoteProxy (version : 3.141.59)

id : http://172.22.0.4:5555, OS : LINUX

WebDriver

v:68.0.3618.125

browserTimeout: 0

debug: false

jettyMaxThreads: -1

host: 172.22.0.4

port: 5555

role: node

timeout: 1800

cleanUpCycle: 5000

maxSession: 1

capabilities: Capabilities {applicationName: , browserName: operablink, maxInstances: 1, platform: LINUX, platformName: LINUX, seleniumProtocol: WebDriver, server:CONFIG_UUID: a1e3bfcb-3127-4bcd-84e3-65e..., version: 68.0.3618.125}

downPollingLimit: 2

hub: http://selenium-hub:4444/grid/register

id: http://172.22.0.4:5555

nodePolling: 5000

nodeStatusCheckTimeout: 5000

proxy: org.openqa.grid.selenium.proxy.DefaultRemoteProxy

register: true

registerCycle: 5000

remoteHost: http://172.22.0.4:5555

unregisterIfStillDownAfter: 60000

DefaultRemoteProxy (version : 3.141.59)

id : http://172.22.0.3:5555, OS : LINUX

WebDriver

v:68.0.3618.125

browserTimeout: 0

debug: false

jettyMaxThreads: -1

host: 172.22.0.3

port: 5555

role: node

timeout: 1800

cleanUpCycle: 5000

maxSession: 1

capabilities: Capabilities {applicationName: , browserName: operablink, maxInstances: 1, platform: LINUX, platformName: LINUX, seleniumProtocol: WebDriver, server:CONFIG_UUID: 768e2622-9418-4fa3-961c-096..., version: 68.0.3618.125}

downPollingLimit: 2

hub: http://selenium-hub:4444/grid/register

id: http://172.22.0.3:5555

nodePolling: 5000

nodeStatusCheckTimeout: 5000

proxy: org.openqa.grid.selenium.proxy.DefaultRemoteProxy

register: true

registerCycle: 5000

remoteHost: http://172.22.0.3:5555

unregisterIfStillDownAfter: 60000

DefaultRemoteProxy (version : 3.141.59)

id : http://172.22.0.7:5555, OS : LINUX

WebDriver

v:83.0.4103.61

browserTimeout: 0

debug: false

jettyMaxThreads: -1

host: 172.22.0.7

port: 5555

role: node

timeout: 1800

cleanUpCycle: 5000

maxSession: 1

capabilities: Capabilities {applicationName: , browserName: chrome, maxInstances: 1, platform: LINUX, platformName: LINUX, seleniumProtocol: WebDriver, server:CONFIG_UUID: 7c0924bc-1835-4933-937f-b2d..., version: 83.0.4103.61}

downPollingLimit: 2

hub: http://selenium-hub:4444/grid/register

id: http://172.22.0.7:5555

nodePolling: 5000

nodeStatusCheckTimeout: 5000

proxy: org.openqa.grid.selenium.proxy.DefaultRemoteProxy

register: true

registerCycle: 5000

remoteHost: http://172.22.0.7:5555

unregisterIfStillDownAfter: 60000

DefaultRemoteProxy (version : 3.141.59)

id : http://172.22.0.8:5555, OS : LINUX

WebDriver

v:83.0.4103.61

browserTimeout: 0

debug: false

jettyMaxThreads: -1

host: 172.22.0.8

port: 5555

role: node

timeout: 1800

cleanUpCycle: 5000

maxSession: 1

capabilities: Capabilities {applicationName: , browserName: chrome, maxInstances: 1, platform: LINUX, platformName: LINUX, seleniumProtocol: WebDriver, server:CONFIG_UUID: 9f9a5a21-a004-49fe-89d4-ceb..., version: 83.0.4103.61}

downPollingLimit: 2

hub: http://selenium-hub:4444/grid/register

id: http://172.22.0.8:5555

nodePolling: 5000

nodeStatusCheckTimeout: 5000

proxy: org.openqa.grid.selenium.proxy.DefaultRemoteProxy

register: true

registerCycle: 5000

remoteHost: http://172.22.0.8:5555

unregisterIfStillDownAfter: 60000

DefaultRemoteProxy (version : 3.141.59)

id : http://172.22.0.11:5555, OS : LINUX

WebDriver

v:83.0.4103.61

browserTimeout: 0

debug: false

jettyMaxThreads: -1

host: 172.22.0.11

port: 5555

role: node

timeout: 1800

cleanUpCycle: 5000

maxSession: 1

capabilities: Capabilities {applicationName: , browserName: chrome, maxInstances: 1, platform: LINUX, platformName: LINUX, seleniumProtocol: WebDriver, server:CONFIG_UUID: b453a898-f7ca-45c9-be09-25c..., version: 83.0.4103.61}

downPollingLimit: 2

hub: http://selenium-hub:4444/grid/register

id: http://172.22.0.11:5555

nodePolling: 5000

nodeStatusCheckTimeout: 5000

proxy: org.openqa.grid.selenium.proxy.DefaultRemoteProxy

register: true

registerCycle: 5000

remoteHost: http://172.22.0.11:5555

unregisterIfStillDownAfter: 60000

DefaultRemoteProxy (version : 3.141.59)

id : http://172.22.0.10:5555, OS : LINUX

WebDriver

v:76.0.1

browserTimeout: 0

debug: false

jettyMaxThreads: -1

host: 172.22.0.10

port: 5555

role: node

timeout: 1800

cleanUpCycle: 5000

maxSession: 1

capabilities: Capabilities {applicationName: , browserName: firefox, maxInstances: 1, moz:firefoxOptions: {log: {level: info}}, platform: LINUX, platformName: LINUX, seleniumProtocol: WebDriver, server:CONFIG_UUID: 80490758-757f-4011-ae14-2b0..., version: 76.0.1}

downPollingLimit: 2

hub: http://selenium-hub:4444/grid/register

id: http://172.22.0.10:5555

nodePolling: 5000

nodeStatusCheckTimeout: 5000

proxy: org.openqa.grid.selenium.proxy.DefaultRemoteProxy

register: true

registerCycle: 5000

remoteHost: http://172.22.0.10:5555

unregisterIfStillDownAfter: 60000

DefaultRemoteProxy (version : 3.141.59)

id : http://172.22.0.5:5555, OS : LINUX

WebDriver

v:76.0.1

browserTimeout: 0

debug: false

jettyMaxThreads: -1

host: 172.22.0.5

port: 5555

role: node

timeout: 1800

cleanUpCycle: 5000

maxSession: 1

capabilities: Capabilities {applicationName: , browserName: firefox, maxInstances: 1, moz:firefoxOptions: {log: {level: info}}, platform: LINUX, platformName: LINUX, seleniumProtocol: WebDriver, server:CONFIG_UUID: 88dd5afb-8345-42c9-9b1e-f17..., version: 76.0.1}

downPollingLimit: 2

hub: http://selenium-hub:4444/grid/register

id: http://172.22.0.5:5555

nodePolling: 5000

nodeStatusCheckTimeout: 5000

proxy: org.openqa.grid.selenium.proxy.DefaultRemoteProxy

register: true

registerCycle: 5000

remoteHost: http://172.22.0.5:5555

unregisterIfStillDownAfter: 60000

DefaultRemoteProxy (version : 3.141.59)

id : http://172.22.0.9:5555, OS : LINUX

WebDriver

v:76.0.1

browserTimeout: 0

debug: false

jettyMaxThreads: -1

host: 172.22.0.9

port: 5555

role: node

timeout: 1800

cleanUpCycle: 5000

maxSession: 1

capabilities: Capabilities {applicationName: , browserName: firefox, maxInstances: 1, moz:firefoxOptions: {log: {level: info}}, platform: LINUX, platformName: LINUX, seleniumProtocol: WebDriver, server:CONFIG_UUID: 3a86ba25-6564-4f18-be2b-bad..., version: 76.0.1}

downPollingLimit: 2

hub: http://selenium-hub:4444/grid/register

id: http://172.22.0.9:5555

nodePolling: 5000

nodeStatusCheckTimeout: 5000

proxy: org.openqa.grid.selenium.proxy.DefaultRemoteProxy

register: true

registerCycle: 5000

remoteHost: http://172.22.0.9:5555

unregisterIfStillDownAfter: 60000

DefaultRemoteProxy (version : 3.141.59)

id : http://172.22.0.6:5555, OS : LINUX

WebDriver

v:76.0.1

browserTimeout: 0

debug: false

jettyMaxThreads: -1

host: 172.22.0.6

port: 5555

role: node

timeout: 1800

cleanUpCycle: 5000

maxSession: 1

capabilities: Capabilities {applicationName: , browserName: firefox, maxInstances: 1, moz:firefoxOptions: {log: {level: info}}, platform: LINUX, platformName: LINUX, seleniumProtocol: WebDriver, server:CONFIG_UUID: 8e71cd3e-0afc-4853-bad8-440..., version: 76.0.1}

downPollingLimit: 2

hub: http://selenium-hub:4444/grid/register

id: http://172.22.0.6:5555

nodePolling: 5000

nodeStatusCheckTimeout: 5000

proxy: org.openqa.grid.selenium.proxy.DefaultRemoteProxy

register: true

registerCycle: 5000

remoteHost: http://172.22.0.6:5555

unregisterIfStillDownAfter: 60000

DefaultRemoteProxy (version : 3.141.59)

id : http://172.22.0.12:5555, OS : LINUX

WebDriver

v:83.0.4103.61

browserTimeout: 0

debug: false

jettyMaxThreads: -1

host: 172.22.0.12

port: 5555

role: node

timeout: 1800

cleanUpCycle: 5000

maxSession: 1

capabilities: Capabilities {applicationName: , browserName: chrome, maxInstances: 1, platform: LINUX, platformName: LINUX, seleniumProtocol: WebDriver, server:CONFIG_UUID: 2306a571-0286-4310-a1b9-4d8..., version: 83.0.4103.61}

downPollingLimit: 2

hub: http://selenium-hub:4444/grid/register

id: http://172.22.0.12:5555

nodePolling: 5000

nodeStatusCheckTimeout: 5000

proxy: org.openqa.grid.selenium.proxy.DefaultRemoteProxy

register: true

registerCycle: 5000

remoteHost: http://172.22.0.12:5555

unregisterIfStillDownAfter: 60000

Config for the hub :
browserTimeout : 0
debug : false
jettyMaxThreads : -1
host : 172.22.0.2
port : 4444
role : hub
timeout : 1800
cleanUpCycle : 5000
capabilityMatcher : org.openqa.grid.internal.utils.DefaultCapabilityMatcher
newSessionWaitTimeout : -1
throwOnCapabilityNotPresent : true
registry : org.openqa.grid.internal.DefaultGridRegistry
View Verbose

The final configuration comes from:
the default :
browserTimeout : 0
debug : false
host : 0.0.0.0
port : 4444
role : hub
timeout : 1800
cleanUpCycle : 5000
capabilityMatcher : org.openqa.grid.internal.utils.DefaultCapabilityMatcher
newSessionWaitTimeout : -1
throwOnCapabilityNotPresent : true
registry : org.openqa.grid.internal.DefaultGridRegistry
updated with command line options:
-role hub -hubConfig /opt/selenium/config.json
and configuration loaded from /opt/selenium/config.json:
{
"host": "0.0.0.0",
"port": 4444,
"role": "hub",
"maxSession": 5,
"newSessionWaitTimeout": -1,
"capabilityMatcher": "org.openqa.grid.internal.utils.DefaultCapabilityMatcher",
"throwOnCapabilityNotPresent": true,
"jettyMaxThreads": -1,
"cleanUpCycle": 5000,
"browserTimeout": 0,
"timeout": 1800,
"debug": false
}
View Config