Mediawiki Installation on AWS using Ansible Playbook:

What's Covered:

• Terraform Module that does the following:

  • 1 VPC
  • 4 Subnets
  • 2 EC2 Instances - 1 Web and 1 DB
  • 1 Elastic Load Balancer

• Ansible Playbook that performs the following:

  • Performs the Installation of the MySQL Database
  • Creates the Database and Users and other Validations.
  • Role that installs Apache HTTPD, PHP from third-party repositories.
  • Configures the webserver
  • Makes it ready for the Launch on the browser.

Assumptions/Pre-Requisites:

1. Terraform is installed and the PATH is set. Tip:

   If not, download the setup using the instructions in the link below: 
   https://www.terraform.io/intro/getting-started/install.html
   

2. AWS Secret variables are set: Tip:

   export AWS_ACCESS_KEY_ID='****'
   export AWS_SECRET_ACCESS_KEY='***'
   

3. Python 2.7+ and Ansible 2.x is installed Tip: If you are on centos like platform, perform the below with sudo privs.

   wget http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
   rpm -ivh epel-release-6-8.noarch.rpm
   yum install ansible -y
   

   More info on: https://docs.ansible.com/ansible/devel/installation_guide/intro_installation.html

Steps to setup

1. Clone and switch the directory to the Repository.

2. Navigate to the folder: mediawiki_infra:

   cd mediawiki_infra

3. Initialize the working directory.:

   terraform init

4. Create a plan and save it to the local file tfplan:

   terraform plan -out=tfplan

5. Apply the plan stored in the file tfplan. terraform apply -input=false tfplan -auto-approve

6. Run Ansible Playbook:

   cd ..\ansible

ansible-playbook main.yml

7. Open the Browser and complete the installation wizard.

NOTE: When i am executing the ansible task it is prompting for the mysql confirmation. this is the open point one should consider for executing the playbook