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k8s-bionic

Kubernetes cluster setup using 3 ubuntu (bionic 18.04) nodes. Nodes are provisioned using Vagrant

Vagrant file

  • Vagrant file provisions 3 nodes (master, worker1, worker2) with bionic64 base vm
  • Installs docker, kubernetes
  • Sets up the necessary services
  • Initializes the kubenetes cluster with kubeadm
  • Sets up a calico network for the cluster

Selenium grid is setup using 4 files

They can be run using the following commands

kubectl create --filename=examples/selenium-hub-deployment.yaml
watch -n 1 kubectl get pods # wait for the selenium hub pod to be in Running state
kubectl create --filename=examples/selenium-hub-svc.yaml
kubectl create --filename=examples/selenium-node-chrome-deployment.yaml
kubectl create --filename=examples/selenium-node-firefox-deployment.yaml
watch -n 1 kubectl get pods # wait for the selenium firefox and chrome pods to be in Running state. The necessary containers are fetched from the registry if required

Miscellaneous

By now, the selenium hub and the associated nodes should be up and running. The selenium hub runs on one of the nodes. To identify the hub url, run the following on the shell:

NODENAME=`kubectl get pod -ojsonpath='{.items[0].spec.nodeName}' -lapp=selenium-hub`
NODEPORT=`kubectl get svc selenium-hub -ojsonpath="{.spec.ports[0].nodePort}"`
echo "http://$NODENAME:$NODEPORT/grid/console"  # this is the selenium grid URL