What is your experience in writing playbooks…

I have extensive experience in independently writing Ansible playbooks for various automation tasks. My practice covers:

Deployment and configuration of applications: Writing playbooks for complete automation of installation, setup, and launching of web servers (Nginx, Apache), databases (PostgreSQL, MySQL, MongoDB), message queues (RabbitMQ, Kafka), and other application components.
Operating system management: Creating playbooks for configuring users, groups, permissions, package management, file systems, and network settings on various Linux distributions (Ubuntu, CentOS, RHEL).
Orchestration and deployment: Using playbooks for orchestrating complex deployments, including sequential steps, dependency management, and simultaneous deployment on multiple nodes.
Configuration management: Writing playbooks to ensure uniform server configuration, automatic patching, and updates.
Infrastructure as Code (IaC): Applying Ansible to describe and manage infrastructure based on cloud providers (AWS, Azure, GCP) or virtualization (VMware, OpenStack), using cloud-native modules.
Integration with CI/CD: Embedding playbooks into CI/CD pipelines (Jenkins, GitLab CI, CircleCI) for automatic deployment and testing after each code change.

When writing playbooks, I adhere to best practices:

Using roles for modularity and code reuse.
Applying variables for flexibility and adaptability.
Using handlers to restart services upon configuration changes.
Writing idempotent tasks.
Testing playbooks with tools like Ansible Lint and Testinfra.
Working with Git repositories for version control and collaboration.

Example of a simple playbook for installing Nginx:

---
- name: Install and start Nginx
  hosts: webservers # Host group where the playbook will run
  become: yes # Run tasks with superuser privileges

  tasks:
    - name: Update apt cache # Update package cache
      apt:
        update_cache: yes
      when: ansible_distribution == 'Ubuntu' or ansible_distribution == 'Debian'

    - name: Ensure Nginx is installed # Install Nginx
      apt:
        name: nginx
        state: present
      when: ansible_distribution == 'Ubuntu' or ansible_distribution == 'Debian'

    - name: Ensure Nginx service is running # Check and start Nginx service
      service:
        name: nginx
        state: started
        enabled: yes

I am well-versed with various Ansible modules and can select the most suitable ones for specific tasks. I regularly explore new features and modules of Ansible to optimize and automate processes.

What is your experience in writing playbooks independently?