juju relation status

[Tudor Rogoz]

Hi Marco,

What I really need is the relation status, not necessarily a synchronous execution for "add relation".When I link 2 charms through a relation, I want to have the possibility (by running the status command or a different one) to see if the specific relation is still running (the corresponding rel.  hooks are still running) or it's finished.The state of a service is changing depending on the progress of the install, config-changed and start hooks, so a similar information I want to be available for relations (relation hooks).

Tudor

From: Marco Ceppi <marco.ceppi at canonical.com<mailto:marco.ceppi at canonical.com>>
Date: Monday, August 25, 2014 at 8:05 PM
To: Chris Glass <chris.glass at canonical.com<mailto:chris.glass at canonical.com>>
Cc: Tudor Rogoz <rogoz at adobe.com<mailto:rogoz at adobe.com>>, "juju at lists.ubuntu.com<mailto:juju at lists.ubuntu.com>" <juju at lists.ubuntu.com<mailto:juju at lists.ubuntu.com>>
Subject: Re: juju relation status

My question is why do you need to run add-relation in a synchronous fashion?


On Fri, Aug 22, 2014 at 9:02 AM, Chris Glass <chris.glass at canonical.com<mailto:chris.glass at canonical.com>> wrote:
Charm-helpers uses a trick for this, which is to check if the
"private-address" key was set on the relation.
You can have a better look here:
https://bazaar.launchpad.net/~charm-helpers/charm-helpers/devel/view/head:/charmhelpers/core/hookenv.py#L393

Hope this helps :)

- Chris

On Fri, Aug 22, 2014 at 3:35 PM, Tudor Rogoz <rogoz at adobe.com<mailto:rogoz at adobe.com>> wrote:
> Hi,
>
> Does anyone knows how to determine when a relation is establish (when the
> relation joined or relation changed hooks ended) ? The goal would be to be
> able to synchronously run the "juju add-relation" command.
>
> Thanks,
> Tudor
>
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