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Grid

Parallel Tests on Multiple Machines with Differen versions of Browser on different Platform

Development Server on 4444​

java -jar selenium-server-<version>.jar standalone

Architecture​

GridOfficialArchitecture Grid.png

GridFacts.png

Not applicable in case of Safari -- It can only spin up one instance

Hub Registration​

java -jar selenium-server-<version>.jar hub

Hub on a specific port​

java -jar selenium-server-<version>.jar hub --publish-events tcp://<hub-ip>:8886 --subscribe-events tcp://<hub-ip>:8887 --port 8888

Node registration​

java -jar selenium-server-<version>.jar node

Node registration on a specific port​

java -jar selenium-server-<version>.jar node --port 5555

Connect to a hub​

java -jar selenium-server-<version>.jar node --hub http://<hub-ip>:4444

connect to a hub with specific port​

java -jar selenium-server-<version>.jar node --publish-events tcp://<hub-ip>:8886 --subscribe-events tcp://<hub-ip>:8887

Reference​

CLI Options​

Driver Configurations​

Grid Components​

Starting Grid​

Grid Docker Image​

Install docker

sudo yum update -y
sudo yum install -y docker
sudo service docker start

sudo usermod -aG docker ec2-user
docker network create Grid

docker run -d -p 4442-4444:4442-4444 --net Grid --name selenium-hub selenium/hub:latest

docker run -d --net Grid -e SE_EVENT_BUS_HOST=selenium-hub \
    --shm-size="2g" \
    -e SE_EVENT_BUS_PUBLISH_PORT=4442 \
    -e SE_EVENT_BUS_SUBSCRIBE_PORT=4443 \
    selenium/node-firefox:latest