Prerequisites

1. EC2 Instances:

   • Create three EC2 instances on Amazon AWS: one as the Ansible master and two as hosts.

   • 

2. SSH to Master Instance:

   • Connect to the Ansible master instance using SSH.

ssh -i "your-key.pem" ubuntu@your-master-ip

Installing Ansible

1. Install Ansible:

   • Add the Ansible repository and install Ansible.

sudo apt-add-repository ppa:ansible/ansible
sudo apt update
sudo apt install ansible

1. Verify Installation:

   • Confirm that Ansible is installed successfully.

ansible --version

Setting Up Ansible Configuration

1. Transfer PEM File:

   • Copy the PEM file from your local machine to the master instance.

scp -i "your-key.pem" your-key.pem ubuntu@your-master-ip:/home/ubuntu/keys

1. Edit Ansible Hosts File:

   • Open the Ansible hosts file for editing.

sudo vim /etc/ansible/hosts

1. Configure Hosts:

   • Add the following lines to the hosts file to define the hosts in a group named 'servers.'

[servers]
host_1 ansible_host=your-host-1-ip
host_2 ansible_host=your-host-2-ip

[all:vars]
ansible_user=ubuntu
ansible_ssh_private_key_file=/home/ubuntu/keys/your-key.pem
ansible_python_interpreter=/usr/bin/python3

1. Change PEM File Permissions:

   • Restrict permissions on the PEM file.

chmod 400 your-key.pem

1. Ping Hosts:

   • Verify connectivity by pinging the hosts in the 'servers' group.

ansible -m ping servers

• The ping should be successful.

Ansible Playbook Overview

---
- name: Install Nginx and deploy a custom webpage
  hosts: your_ubuntu_servers  # Replace with your target server(s) or inventory group
  become: true  # Run tasks with elevated privileges

  tasks:
    - name: Update package cache
      apt:
        update_cache: yes

    - name: Install Nginx
      package:
        name: nginx
        state: present

    - name: Start Nginx service
      service:
        name: nginx
        state: started
        enabled: yes

    - name: Copy custom webpage files
      copy:
        src: /path/to/your_webpage_files/
        dest: /var/www/html/

Explanation

1. Update package cache:

   • Ansible task using the apt module to update the package cache on the target servers.

2. Install Nginx:

   • Ansible task utilizing the package module to install Nginx on the target servers.

3. Start Nginx service:

   • Ansible task with the service module to start the Nginx service on the target servers and enable it to start on boot.

4. Copy custom webpage files:

   • Ansible task using the copy module to copy the custom webpage files from your specified source directory to the destination directory on the target servers.

Running the Playbook: Execute the following command to run the playbook:

ansible-playbook -i /etc/ansible/hosts deploy_webpage.yml

Verification

After the playbook execution is complete, visit the public IP of any host server in your web browser to verify if the webpage has been successfully deployed.