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 <ro...@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 > > -- > Juju mailing list > Juju@lists.ubuntu.com > Modify settings or unsubscribe at: > https://lists.ubuntu.com/mailman/listinfo/juju > -- Juju mailing list Juju@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/juju