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Ansible Debug

Ansible provides a debug module option that makes the tasks more manageable. It is a handy tool to figure out any problem areas.

Ansible version 2.1 extended the debug module with a verbosity parameter that transforms it from a print line.

For example: Let's create the playbook 1_debug_example.yml, such as:

During the Ansible playbook debugging, it is useful to know how to display the registered variables or host facts.

To print a message from the Ansible playbook, as well as a value of a variable, we can use the Ansible debug module. Ansible debug module is easy to use.

For example: Let's execute a simple hello world playbook 2_debug_example.yml, such as:

the Ansible includes a debugger as a part of the strategy plugins. This debugger enables you to debug as a task. You have access to all the features of the debugger in the context of the task. You can check or set the value of variables, update module arguments, and re-run the task with the new variables and arguments to resolve the cause of the failure.

There are many ways to invoke the debugger, such as:

Using the debugger Keyword

The debugger keyword can be used on any block where you provide a name attribute such as a role, block, task, or play.

The debugger keyword accepts several values, such as:

Always: Always invokes the debugger, regardless of the outcome.

Never: Never invokes the debugger, regardless of the outcome.

On_failed: It only invokes the debugger if a task fails.

On_unreachable: It only invokes the debugger if the host was unreachable.

On_skipped: It only invokes the debugger if the task is skipped.

NOTE: These options override any global configuration to enable or disable the debugger.

On a Task

On a play

When a provided at the general level, and a more specific level, the more particular wins:

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