Step-by-Step Process to Writing an Ansible Playbooks in YAML
Here’s a step-by-step process to create a basic web server configuration playbook:
Step 1: Launch an EC2 Instance
- Go to EC2 dashboard and launch an EC2 instance
- Now connect with git bash
Step 2: Install Ansible
Now install ansible in our local machine by using following command
sudo amazon-linux-extras ansible2
Step 3: Define the Inventory File or Host file
Now go host file and provide host details
Step 4: Create the Playbook
Now create playbook with .yml or .YAML extension
sudo vi <filename.yml>
Here is the script to install HTTPD server
– name: Install HTTPD using Ansible Playbook
hosts: slave-1 #here ensure that node instance name is correct or not
become: true
tasks:
– name: Install HTTPD package
package:
name: httpd
state: present
– name: Start HTTPD service
service:
name: httpd
state: started
enabled: yes
Step 5: Run the Playbook
Now run the playbook by using following commands
ansible-playbook <filename.yml>
Step 6: Verification
- Now go to EC2 Dashboard and copy public IP of host instance and browse
Writing Ansible Playbooks in YAML: Best Practices
Ansible is a generally utilized open-source automation tool that works on the administration of complex IT systems. It helps in configuration management, application deployment, and task automation by utilizing playbooks, which are written in YAML (Yet Another Markup Language). YAML’s human-readable format it simple to compose and comprehend playbooks, ensuring that automation assignments are clear and maintainable.
However, composing effective and efficient Ansible playbooks expects adherence to best practices. These prescribed procedures help in making modular, reusable, and secure automation scripts that can be effortlessly kept up with and scaled as your infrastructure develops. In this article, we will dig into the prescribed procedures for composing Ansible playbooks in YAML, giving rules and guides to assist you with composing better playbooks. Whether you are a beginner or an experienced user, these practices will improve the quality and viability of your automation work processes.