Setup EKS and ArgoCD

EKS Deployment with ArgoCD with Terraform

Complete Usage

Check this GitOps with ArgoCD, EKS and GitLab CI using Terraform) for detailed explanation.

CI Environment Variables

These Environment Variables are needed for the pipeline when runnig Terraform commands.

• AWS_ROLE ARN - AWS Role Arn to used by the pipeline to get temporary credentials
• AWS_DEFAULT_REGION - AWS region where the S3 bucket is located

Local Environment Variables

These Environment Variables are needed for the pipeline when runnig Terraform commands.

• AWS_DEFAULT_REGION - AWS region to create the resources

• AWS_ACCESS_KEY_ID - Access Key ID to be used by the pipeline to authenticate with your AWS Account

• AWS_SECRET_ACCESS_KEY - Secret Access Key to authenticate with your AWS Account

Click-Ops

You need to do these bootstrapping bits.

• Create an S3 Bucket and Amazon DynamoDB for you to store terraform remote state and state locking. You can work with local state but...
• Create a Hosted zone in Route53 with a public domain

Check backend.tfvars file in each folders (eks and argocd) and update accordingly.

EKS Terraform Variables Values

Check sample.tfvars file in eks directory and update accordingly especially dns_hosted_zone, admin_users and developer_users.

Running Locally

You need to first apply the eks before applying argocd.

EKS

Check into the folder

cd eks

Terraform Commands

# Initialize Terraform
terraform init -backend-config=backend.tfvars

# Generate Plan
terraform plan -out=eks.tfplan -var-file=sample.tfvars

# Apply the Plan
terraform apply eks.tfplan

ArgoCD

Check into the folder

cd argocd

Terraform Commands

# Initialize Terraform
terraform init -backend-config=backend.tfvars

# Generate Plan
terraform plan -out=argocd.tfplan

# Apply the Plan
terraform apply argocd.tfplan

Running Locally Using Docker Compose (Recommended)

You can create a docker compose file with this content.

This assumes you have configured MFA for your AWS IAM User you are using locally.

version: '3.7'

services:
  terraform:
    image: hashicorp/terraform:1.3.7
    volumes:
      - .:/infra
    working_dir: /infra
    environment:
      - AWS_ACCESS_KEY_ID=${AWS_ACCESS_KEY_ID}
      - AWS_SECRET_ACCESS_KEY=${AWS_SECRET_ACCESS_KEY}
      - AWS_SESSION_TOKEN=${AWS_SESSION_TOKEN}

Example Usage

docker-compose -f docker-compose.yaml run --rm terraform init -backend-config=backend.tfvars

Running on the CI

Check this GitOps with ArgoCD, EKS and GitLab CI using Terraform) for detailed explanation.

License

See the LICENSE file for more info