Infrastructure pipeline

Pipeline Features

• Jenkins
  • Server
  • Slack plugin (configuration link)
  • Integrate Github
• Terraform
  • AWS EC2 instance resources
  • Remote state
• AWS
  • Key Pair for SSH
  • Two EC2 instances
• Ansible
  • Jenkins playbook
  • Web playbook
• Docker
  • Containerized FastApi service
  • Build & Push tagged repo to docker hub
• Terratest (Infrastructure testing)
  • Docker
  • Terraform

Set up

Requirements

• AWS account - free tier
• AWS CLI
  • mac: brew install awscli | aws --version
  • windows: instructions
  • linux: instructions
• Configure AWS locally or use AWS vault
• EC2 Key pair
• Jenkins
• Terraform
• Ansible
• Docker
• Python 3.8
• Go 1.14
• dep dependency brew install dep
• Terratest globally installed go get -v github.com/gruntwork-io/terratest

Running the service locally

Deploying infrastructure

1. Create EC2 instances

   navigate to: \terraform\jenkins

    ➜ terraform init
   
    ➜ terraform plan
   
    ➜ terraform apply

   navigate to: \terraform\web

    ➜ terraform init
   
    ➜ terraform plan
   
    ➜ terraform apply

2. Configure Ansible host configuration

   navigate to: \etc\ansible\host

   #servers and key config
   [jenkins]
   ubuntu@<public-dns> ansible_user=ubuntu ansible_ssh_key_private_file=~/.ssh/infra-key.pem
   [webservers]
   ubuntu@<public-dns> ansible_user=ubuntu ansible_ssh_key_private_file=~/.ssh/infra-key.pem 
   

3. Run Playbooks

   navigate to: \ansible

   sudo ansible-playbook jenkins.yaml

   sudo ansible-playbook web.yaml

4. Configure Jenkins and AWS EC2 instances

Running Tests

➜ cd test
➜ go test