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onboarding-kubernetes.md

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Kubernetes Onboarding

Environment Options

  • On Premise (only an option when hardware is available)
  • Amazon EKS (more expensive, minimal kubernetes console)
  • Google Cloud GKE (cheaper, far better kubernetes default console)

Considerations

Install Helm and Tiller

  • Install Helm. Recommdation: use local tiller because default installation is not secure: 
    tiller -listen=localhost:44134 -storage=secret -logtostderr
export HELM_HOST=localhost:44134
helm init --client-only

Installing Jenkins using Helm

  • Make sure we have enough nodes (e.g. using an autoscaling node-pool)

  • run helm install --name my-release stable/jenkins

    printf $(kubectl get secret --namespace default my-release-jenkins -o jsonpath="{.data.jenkins-admin-password}" | base64 --decode);echo
1. Get your 'admin' user password by running:
2. Get the Jenkins URL to visit by running these commands in the same shell:
NOTE: It may take a few minutes for the LoadBalancer IP to be available.
        You can watch the status of by running 'kubectl get svc --namespace default -w my-release-jenkins'
export SERVICE_IP=$(kubectl get svc --namespace default my-release-jenkins --template "{{ range (index .status.loadBalancer.ingress 0) }}{{ . }}{{ end }}")

echo http://$SERVICE_IP:8080/login

3. Login with the password from step 1 and the username: admin

For more information on running Jenkins on Kubernetes, visit:
https://cloud.google.com/solutions/jenkins-on-container-engine

ELK Stack

helm install --name elk stable/elastic-stack