Beginning Ansible Concepts and Application by Shaun R Smith & Peter Membrey

Author:Shaun R Smith & Peter Membrey
Language: eng
Format: epub
ISBN: 9781484281734
Publisher: Apress

It’s a Fact!

In addition to variables and magic variables, Ansible provides another type of variable that you may have heard of already – facts. While we have not made use of facts yet, you may recall that the first task of every playbook includes an implicit (meaning not something we added) task called Gathering Facts . As the name implies, this is Ansible gathering facts about the remote host.

Facts are things that are known to be true about the current host that Ansible is operating against. They are automatically gathered during the Gathering Facts task by a module named setup and include information that Ansible has learned about the host itself – things Ansible could not have known before it had connected to the host. This includes information such as the type and version of the operating system, the amount of RAM, network and disk configuration, and many other facts about the host.

To understand what these facts look like, let’s run the setup module directly using an ad hoc command:> ansible -m setup web-001.local

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