Install spinnaker in GKE using terraform and helm

Prerequisite

• Runs only on Linux or Mac
• Following tools needs to be installed in local machine and available via PATH
  • gcloud SDK
  • kubectl (gcloud components install kubectl)
  • terraform
  • helm CLI

Variables

• credential: Contents of a file that contains terraform service account private key in JSON format. Default filename is account.json. Refer below installation steps to generate key file
• project: The ID of the GCP project
• zone: Compute engine zone where GKE cluster needs to be created
• gcs_location: Cloud storage bucket location for storing spinnaker data

  By default Nearline storage class is configured. Ensure correct location is configured based on the configured zone

Installation steps

1. terraform uses Service Usage API, this API needs to be enabled manually https://console.developers.google.com/apis/library/serviceusage.googleapis.com

2. Create service account for terraform

   gcloud iam service-accounts create terraform --display-name "terraform"
   gcloud iam service-accounts keys create account.json --iam-account terraform@$(gcloud info --format='value(config.project)').iam.gserviceaccount.com
   

   Above command will download the key and store it in account.json file

3. Grant owner role to terraform service account

   gcloud projects add-iam-policy-binding $(gcloud info --format='value(config.project)') --member serviceAccount:terraform@$(gcloud info --format='value(config.project)').iam.gserviceaccount.com --role roles/owner
   

4. Execute below commands. This will take some time to complete (5 to 8 mins)

   terraform init
   terraform plan -out terraform.plan
   terraform apply terraform.plan 
   

5. After the command completes, run the following command to set up port forwarding to the Spinnaker UI

   export KUBECONFIG=$PWD/.kubeconfig 
   export DECK_POD=$(kubectl get pods --namespace default -l "component=deck" -o jsonpath="{.items[0].metadata.name}")
   kubectl port-forward --namespace default $DECK_POD 8080:9000 >> /dev/null &
   

6. Access spinnaker UI at http://localhost:8080/