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htest

K8s cluster on GCP cloud with Prometheus and Vault

Prerequisites

  1. GCP account
  2. Install locally
    • gcloud SDK
    • kubectl
    • helm

Steps:

  1. Create GCP project.

  2. Create service account for terraform.

    • Make sure that account has an Owner permissions for containers
    • Make sure that account has an Editor permissions for buckets, GKE, LB, etc...

  3. Initialize gcloud for your GCP project

  4. Create Bucket to store Terrform state
    gsutil mb gs://dark-garden-256113-tfstate
    gsutil versioning set on gs://dark-garden-256113-tfstate

  5. Clone Vault Helm charts (for Vault installation only)
    git clone https://github.com/hashicorp/vault-helm.git ../vault-helm

  6. Run Terrform

    • Pass variables: account config file, bucket for Kubernetes, project name
      terraform init
      terraform plan
      terraform apply

Vault and Prometheus installation

They are installed by local exec in terraform because modules do not work with Helm3.
Commands examples were used for Vault and Prometheus installation

helm --kubeconfig=modules/gke/kubeconfig install vault ../vault-helm
helm --kubeconfig=modules/gke/kubeconfig install -f modules/helm/monitoring/prometheus/values.yml prometheus stable/prometheus-operator