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gce-kubernetes.md

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Google Cloud Kubernetes Installation

Setup:

  • If you don't already have a Google Account (Gmail or Google Apps), you must create one. Then, sign-in to Google Cloud Platform console ( cloud.google.com) and create a new project.

  • Subscribe free tier for 12 months.Next, enable billing in the Cloud Console in order to use Google Cloud resources and enable the Container Engine API.

  • Install Docker, and Google Cloud SDK.

  • Finally, after Google Cloud SDK installs, run the following command to install kubectl: gcloud components install kubectl

  • Choose a Google Cloud Project zone to run your service. We will be using us-central1. This is configured on the command line via:

              gcloud config set compute/zone us-central1

Registering a Domain and Pre Deployment Steps:

  • You can register free domain at http://www.freenom.com.Next, you have to set IP for DNS of this domain.

  • Reserve static IP address with this command:

              gcloud compute addresses create IPname --region us-central1

  • You will get a created message. To see your IP go to VPC Network -> External IP addresses.

  • Add this IP to DNS zone of your domain and to the kubernetes/yamls/nginx/service.yaml file for "loadBalancerIP" parameter.

  • Change enviroment variavles in kubernetes/yamls/application/deployment.yaml

  • Replace domain name in kubernetes/yamls/application/ingress-notls.yaml and kubernetes/yamls/application/ingress-tls.yaml with your domain name.

  • Add your email ID to kubernetes/yamls/lego/configmap.yaml for "lego.email" parameter.

Deployment:

  • First create a cluster

              gcloud container clusters create clusterName

  • In gcloud shell run the following command to deploy application using given configurations.

              bash ./kubernetes/deploy.sh create all

  • This will create the deployment as we have defined in the script.

  • The Kubernetes master creates the load balancer and related Compute Engine forwarding rules, target pools, and firewall rules to make the service fully accessible from outside of Google Cloud Platform.

  • Wait for a few minutes for all the containers to be created and the SSL Certificates to be generated and loaded.

Tracking:

Cleanup:

  • If you want to delete the deployment from the cluster enter this command:

              bash ./kubernetes/deploy.sh delete all

  • To delete cluster enter:

              gcloud container clusters delete clusterName