Magic Variables: To access host within a group

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1

Is there any way to access the list of hosts within each
"groups" (magic) variable ?

{% if 'webserver' in groups %}
   # some part of a configuration file that only applies to webservers
{% endif %}

Kumar

2

Yep.

groups is already a (Python) list in this example, this example is a test to see if an item is in a list.

3

Thanks Michael:

  I think I was not clear in my prior email. In the example below, I
am trying to print all the host name associated to the group
'webserver'.
I am assuming there might be a method on each group element in the
list or some other way to access the list of hosts name associated to
a group in the
inventory file. I would like the script to dynamically pull all the
hosts associated to a group.

Thanks,

Inventory file:

[webservers]
foo.example.com
bar.example.com
xyz.example.com

{% if 'webserver' in groups %}

  # print all the host names associated with the webservers groups
  # i.e foo.example.com, bar.example.com, xyz.example.com

{% endif %}

4

I am assuming there might be a method on each group element in the
list or some other way to access the list of hosts name associated to
a group in the
inventory file. I would like the script to dynamically pull all the
hosts associated to a group.

Sounds like you are trying to read this from another application.

The most obvious answer here is you could use the ansible inventory API.