Conditional restart

[Toby Hobson]

I have a fairly typical set of tasks, which basically ensure that given packages are installed and up to date. I can run the playbook several times and ansible is smart enough to check whether the packages are already installed before trying to install them again. Is there a way to tie in a conditional restart similar to the way salt has watches? Basically I want to restart the server only when a change has been made.

[Matt Martz]

I believe what you are looking for are handlers.  See http://docs.ansible.com/playbooks_intro.html#handlers-running-operations-on-change

It allows you to define a task (handler) which can be notified to run by another task that returns a change.

On Thu, Apr 30, 2015 at 7:11 AM, Toby Hobson <toby....@gmail.com> wrote:

I have a fairly typical set of tasks, which basically ensure that given packages are installed and up to date. I can run the playbook several times and ansible is smart enough to check whether the packages are already installed before trying to install them again. Is there a way to tie in a conditional restart similar to the way salt has watches? Basically I want to restart the server only when a change has been made.

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Matt Martz
@sivel
sivel.net