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Mastering Ansible, Second Edition

You're reading from   Mastering Ansible, Second Edition Master the ins and outs of advanced operations with Ansible

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Product type Paperback
Published in Mar 2017
Publisher Packt
ISBN-13 9781787125681
Length 310 pages
Edition 2nd Edition
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Author (1):
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Jesse Keating Jesse Keating
Author Profile Icon Jesse Keating
Jesse Keating
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Toc

Defining a failure


Most modules that ship with Ansible have an opinion on what constitutes an error. An error condition is highly dependent upon the module and what the module is attempting to accomplish. When a module returns an error, the host will be removed from the set of available hosts, preventing any further tasks or handlers from being executed on that host. Further, the ansible-playbook function or Ansible execution will exit with nonzero, indicating failure. However, we are not limited by a module's opinion of what an error is. We can ignore errors or redefine the error condition.

Ignoring errors

A task condition, named ignore_errors, is used to ignore errors. This condition is a Boolean, meaning that the value should be something Ansible understands to be true, such as yes, on, true, or 1 (string or integer).

To demonstrate how to use ignore_errors, let's create a playbook named errors.yaml, where we attempt to query a webserver that doesn't exist. Normally, this would be an error...

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