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Mastering Ansible
book

Mastering Ansible

by Jesse Keating
November 2015
Intermediate to advanced content levelIntermediate to advanced
236 pages
4h 42m
English
Packt Publishing
Content preview from Mastering Ansible

Failing fast

When performing an upgrade of an application, it may be desirable to fully stop the deployment at any sign of error. A partially upgraded system with mixed versions may not work at all, so continuing with part of the infrastructure while leaving the failed systems behind can lead to big problems. Fortunately, Ansible provides a mechanism to decide when to reach a fatal error scenario.

By default, when Ansible is running through a playbook and encounters an error, Ansible will remove the failed host from the list of play hosts and continue with the tasks or plays. Ansible will stop executing once either all the requested hosts for a play have failed, or all the plays have been completed. To change this behavior, there are a couple of ...

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Publisher Resources

ISBN: 9781784395483Supplemental Content