Gain insights into installing and using Ansible, delve into playbooks and inventory management, and learn about troubleshooting to efficiently automate IT tasks and enhance your IT career.

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In an era of IT environments, automation is no longer a luxury—it's a necessity. Ansible, an open-source IT automation tool, has become a go-to solution for streamlining IT tasks. This comprehensive course aims to equip you with both fundamental and advanced Ansible knowledge.

You'll start by installing Ansible, understanding its architecture, and diving into inventory management and playbook creation. Next, you'll explore variables, conditional statements, loops, handlers, roles, and collections. After that, the course dives into Ansible for Linux-specific tasks and troubleshooting techniques to resolve common problems like connection failures, missing parameters, and syntax errors. 

After completing this course, you'll have gained a robust understanding of Ansible, with the ability to create efficient playbooks, manage inventory, troubleshoot common problems, and automate a wide range of IT tasks. These skills will provide a strong foundation for a thriving career in IT infrastructure management.

Automating IT Infrastructure with Ansible

## The `when` statement

When working with Ansible, it is important to understand conditional statements. These statements allow us to check conditions and subsequent modifications of the program's behavior based on the result. Ansible utilizes the `when` statement as a form of a conditional statement. In conditionals, Ansible makes use of #key# Jinja2: Jinja is a web template engine for the Python programming language. #key# tests and filters, supporting both the standard and unique ones to cater to different requirements. The ability to employ conditionals effectively is crucial in Ansible playbook development.


## Basic conditionals

In Ansible, the `when` statement determines whether a task will be executed or not based on specified conditions. This statement can be used in any task or block within an Ansible playbook. To utilize the `when` statement, simply include it with the desired condition.


In practice, we can employ the `when` statement with the following:


- Complex expressions using parentheses (`()`).
- Comparison operators such as `==`, `>=`, `<=`, and `!=`.
- Ansible facts such as `ansible_facts['os_family'] == "Debian"`

### Conditionals set to `false`

The `reload nginx` task executes when the `configure_nginx` boolean variable is `true`. 
In this example, the variable is always `false`, so we expect this task to skip during execution in the execution output.

# The `when` statement

When working with Ansible, it is important to understand conditional statements. These statements allow us to check conditions and subsequent modifications of the program's behavior based on the result. Ansible utilizes the `when` statement as a form of a conditional statement. In conditionals, Ansible makes use of #key# Jinja2: Jinja is a web template engine for the Python programming language. #key# tests and filters, supporting both the standard and unique ones to cater to different requirements. The ability to employ conditionals effectively is crucial in Ansible playbook development.


# Basic conditionals

In Ansible, the `when` statement determines whether a task will be executed or not based on specified conditions. This statement can be used in any task or block within an Ansible playbook. To utilize the `when` statement, simply include it with the desired condition.


In practice, we can employ the `when` statement with the following:


- Complex expressions using parentheses (`()`).
- Comparison operators such as `==`, `>=`, `<=`, and `!=`.
- Ansible facts such as `ansible_facts['os_family'] == "Debian"`

## Conditionals set to `false`

The `reload nginx` task executes when the `configure_nginx` boolean variable is `true`. 
In this example, the variable is always `false`, so we expect this task to skip during execution in the execution output.

Learn about Ansible conditionals and why they are important to execute specific tasks from our Ansible playbook. 

Getting Started

Ansible Language

Ansible for Linux

Ansible Troubleshooting

Appendix: Ansible Installation

Conclusion

Deploy a Web Application Using Ansible

Conditional

The `when` statement

Basic conditionals

Deploy a Web Application Using Ansible

Conditional

The when statement

Basic conditionals

The `when` statement