Jenkins on Kubernetes Engine
https://cloud.google.com/solutions/jenkins-on-kubernetes-enginehttps://cloud.google.com/solutions/jenkins-on-kubernetes-engine-tutorial
Provision a Jenkins environment on a Kubernetes Engine Cluster, using the Helm Package Manager.
Google Kubernetes Engine (GKE) is the hosted version of
Kubernetes on Google Cloud Platform (GCP).Create k8s cluster
gcloud container clusters create jenkins-cd \
--num-nodes 2 \
--machine-type n1-standard-2 \
--cluster-version 1.13 \
--service-account "jenkins-sa@$GOOGLE_CLOUD_PROJECT.iam.gserviceaccount.com"
Jenkins Kubernetes plugin
https://wiki.jenkins-ci.org/display/JENKINS/Kubernetes+Plugin
Scale
kubectl --namespace=production scale deployment gceme-frontend-production --replicas=4
Port forward
export DEV_POD_NAME=$(kubectl get pods -n new-feature -l "app=gceme,env=dev,role=frontend" -o jsonpath="{.items[0].metadata.name}")
kubectl port-forward -n new-feature $DEV_POD_NAME 8001:80 >> /dev/null &
export FRONTEND_SERVICE_IP=$(kubectl get -o jsonpath="{.status.loadBalancer.ingress[0].ip}" --namespace=production services gceme-frontend)
while true; do curl http://$FRONTEND_SERVICE_IP/version; sleep 1; done