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Merge pull request #8802 from garywu/patch-3

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Update playbooks_variables.rst
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James Cammarata 2014-09-02 11:06:00 -05:00
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docsite/rst/playbooks_variables.rst
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@ -5,19 +5,17 @@ Variables
While automation exists to make it easier to make things repeatable, all of your systems are likely not exactly alike.
All of your systems are likely not the same. On some systems you may want to set some behavior
or configuration that is slightly different from others.
On some systems you may want to set some behavior or configuration that is slightly different from others.
Also, some of the observed behavior or state
of remote systems might need to influence how you configure those systems. (Such as you might need to find out the IP
address of a system and even use it as a configuration value on another system).
You might have some templates for configuration files that are mostly the same, but slightly different
based on those variables.
You might have some templates for configuration files that are mostly the same, but slightly different based on those variables.
Variables in Ansible are how we deal with differences between systems.
Once understanding variables you'll also want to dig into :doc:`playbooks_conditionals` and :doc:`playbooks_loops`.
To understand variables you'll also want to dig into :doc:`playbooks_conditionals` and :doc:`playbooks_loops`.
Useful things like the "group_by" module
and the "when" conditional can also be used with variables, and to help manage differences between systems.