This part:
{{ hostvars[host][groups['tag_Group_MySQL'][0]] }}
is incorrect.
Try this:
{{ hostvars[ groups['tag_Group_MySQL'][0] ][ variable_name ] }}
On Sat, Dec 21, 2013 at 2:46 PM, Trond Hindenes <[email protected]> wrote:
> I'm trying to build a paybook which will provision 2 compute instances on
> amazon ec2, and then install mysql on one of them, and apache2/wordpress on
> the other.
>
> I'm stuck with trying to configure the wordpress instance's wp-config file
> which needs to point to the mysql instance. I don't know the name/ip
> address of these nodes when the playbook starts, so I'm using the Ansible
> modules for provisioning them and adding them to their respective host
> groups after provisioning. I can save the output of the provisioning task
> as a variable, but this var is not accessible outside of the node which ran
> the provisioning job.
>
> From any node I can use the "groups['tag_Group_MySQL']", but this only
> lets me access the instance's public ip, not the other facts about it.
>
> So, I need to access hostvars of a host which needs to be dynamically
> assigned. I tried something like {{
> hostvars[host][groups['tag_Group_MySQL'][0]]}} but that doesnt work. I
> don't even know if "nested vars" is supported.
>
> Any pointers on how to solve this issue will de deeply appreciated! The
> current playbook can be found at
> https://github.com/trondhindenes/AnsibleTest/tree/master/ec2-env
>
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--
Michael DeHaan <[email protected]>
CTO, AnsibleWorks, Inc.
http://www.ansibleworks.com/
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