sekhar4536/devops-ansible

Hands-On DevOps with Ansible

This code repository contains examples from the video course Hands-On DevOps with Ansible by Alan Hohn, published by Packt Publishing.

Prerequisites

These prerequisites are needed to get the primary example working, including deploying the infrastructure to build the containerized version of the application.

1. Install Ansible. This can be done using pip.

2. Install required roles:

   • ansible-galaxy install geerlingguy.gitlab
   • ansible-galaxy install riemers.gitlab-runner
   • ansible-galaxy install geerlingguy.nodejs
   • ansible-galaxy install geerlingguy.docker
   • ansible-galaxy install andrewrothstein.kubectl

3. Update infrastructure/group_vars/gitlab-runner/vault.yaml with your own content (and then encrypt with Ansible Vault). Alternatively you can modify the gitlab-runner-config role to point to your own preferred or private Docker registry.

4. Update the infrastructure/inventory file as appropriate for your environment, or configure your SSH config, DNS, or hosts file to match the servers in the inventory.

5. Update the playbook.yaml and app.yaml files in todo/deployment to reflect the correct name for your Docker image based on your DockerHub login or preferred registry.

Sample content for infrastructure/group_vars/gitlab-runner/vault.yaml:

---
docker_user: "sekhar4536"
docker_password: "Sekhar.1"
docker_email: "[email protected]"

Guide to Contents

This repository contains the following content. Also see the README.md file in each subdirectory for more information.

• deploy: Contains samples for testing with and deploying to Amazon Web Services (AWS).
• infrastructure: Contains Ansible playbooks to set up a DevOps infrastructure (Gitlab and Jenkins). This can be set up on physical, virtual, or cloud machines.
• kubernetes: Contains an Ansible playbook that demonstrates running an integration test in Kubernetes.
• todo: Contains a "Todo" Javascript application. Within that directory is a Dockerfile for building a Docker container and a deployment directory for deploying the built image to Kubernetes.