Multi cloud k8s provisioning using terraform

Provision k8s cluster in all there major cloud providers using single terraform repository.

• AWS EKS
• Azure AKS
• GCP GKE

Usage

EKS

• Make sure AWS credentials are configured using aws-cli.

• Fill with necessary variables in terraform.tfvars file.

• Run the terraform with necessary variables.

  cd aws/
  terraform init
  terraform apply
  

• To append kubeconfig file default path

  aws eks update-kubeconfig --name <CLUSTER_NAME>
  

• To estimate cost using infracost.

  make infracost

AKS

• Authenticating azure provider using the Azure CLI

  az login
  az account set --subscription="SUBSCRIPTION_ID"
  

• Clone project & fill the terraform variables in terraform.tfvars.

  cd azure/
  cp terraform.tfvars.sample terraform.tfvars
  terraform init
  terraform apply
  

• Get kubeconfig using az or export

  az aks get-credentials --resource-group $RESOURCE_GROUP --name $AKS_CLUSTER_NAME
  

  or

  echo "$(terraform output kube_config)" > aks-kube-confg.yml
  export KUBECONFIG="$PWD/aks-kube-confg.yml"
  

GKE

• Install gcloud cli & auth with gcp account
• Add your account to the app default credentials.

  gcloud auth application-default login
  

• Update the tfvars file & init terrform. To enable regonal cluster comment zone in terraform.tfvars.

  cd gcp
  cp terraform.tfvars.sample terraform.tfvars
  terraform init
  terraform apply