Fix docs for faq

- correct spelling
pull/6505/head
George Yoshida 11 years ago
parent b3a1d528aa
commit 5ef3cb26d4

@ -140,16 +140,16 @@ Then you can use the facts inside your template, like this::
.. _programatic_access_to_a_variable:
How do I access a variable name programatically?
++++++++++++++++++++++++++++++++++++++++++++++++
How do I access a variable name programmatically?
+++++++++++++++++++++++++++++++++++++++++++++++++
An example may come up where we need to get the ipv4 address of an arbitrary interface, where the interface to be used may be supplied
via a role parameter or other input. Variable names can be built by adding strings together, like so::
{{ hostvars[inventory_hostname]['ansible_' + which_interface]['ipv4']['address'] }}
The trick about going through hostvars is neccessary because it's a dictionary of the entire namespace of variables. 'inventory_hostname'
is a magic variable that indiciates the current host you are looping over in the host loop.
The trick about going through hostvars is necessary because it's a dictionary of the entire namespace of variables. 'inventory_hostname'
is a magic variable that indicates the current host you are looping over in the host loop.
.. _first_host_in_a_group:

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