Ronny,
One way to deal with this is: instead of configuring 6 different hosts
(that are actually the same), make your playbook do all the 6 tasks at
once.
This way you can have a hosts file with something like this:
[applicationservers]
host1
Variables defined inside a "vars file", like:
apps:
- { name=dev1, home="somepath/dev1/...", port="9090" }
- { name=dev2, home="somepath/dev2/...", port="8080" }
And in your role:
tasks:
-name: deploy our application
shell: doDeploy.sh {{ appserver_name }} {{ appserver_home }} {{
appserver_port }}
with_items: apps
For more info about managing your roles I'd recommend:
http://docs.ansible.com/playbooks_roles.html and
http://docs.ansible.com/playbooks_variables.html
Regards,
Hugo
On Wed, Nov 26, 2014 at 1:17 PM, <[email protected]> wrote:
> On Tue, Nov 25, 2014 at 10:57:37PM -0800, Ronny wrote:
>
>> If I run this, the task "deploy our application" is only executed once. It
>> looks like ansible's smallest unit is the host. But we have here up to 6
>> application servers per host and want to deploy them at once.
>> How should the inventory look like?
>
> I've had similar issues in my time using Ansible. Often I want to test
> clusterware
> locally beforehand- maybe run 3 etcd instances on one server to validate the
> config.
>
> Adding additional IP addresses with new hostnames to the host allows me to
> get by,
> but it's solidly in the realm of dirty hack and I'd love to see ansible grow
> to
> support this use case.
>
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