Hi Cory
Thanks for the explanation. Is there a way to override the scope of the http relation without forking the interface? Kind regards Merlijn 2015-10-26 18:21 GMT+01:00 Cory Johns <cory.jo...@canonical.com>: > Merlijn, > > You'll note that the docs for auto_accessors > <https://pythonhosted.org/charms.reactive/charms.reactive.relations.html#charms.reactive.relations.RelationBase.auto_accessors> > says that it's not a good idea to use with non-GLOBAL scoped relations, for > this very reason. The problem is that there's no way which unit's or > service's host and port you are trying to get, since there could be many. > If it's true that there should only be a single connected service on this > relation, then you should switch it to GLOBAL scope to indicate that. > Otherwise, you need to be handling the possibility of multiple connected > units explicitly. > > See > https://github.com/johnsca/juju-relation-mysql/blob/master/provides.py#L74 > for an example of how an interface layer should handle multiple > conversations. > > On Mon, Oct 26, 2015 at 5:58 AM, Merlijn Sebrechts < > merlijn.sebrec...@gmail.com> wrote: > >> Hi all >> >> >> I have the following piece of code that reacts to the >> httprelation.available hook (called rest2jfed in this case): >> >> >> @when('rest2jfed.available') >> def setup_rest2jfed(rest2jfed): >> hostname = rest2jfed.host() >> port = rest2jfed.port() >> # Do some stuff with hostname and port >> hookenv.status_set('active', 'Ready') >> >> >> This piece of code gets called on the upgrade-charm hook. This throws an >> error because there is not a relationship context. >> >> File "lib/charms/reactive/relations.py", line 88, in __accessor >> return self.get_remote(field) >> File "lib/charms/reactive/relations.py", line 308, in get_remote >> return self.conversation(scope).get_remote(key, default) >> File "lib/charms/reactive/relations.py", line 255, in conversation >> raise ValueError('Unable to determine default scope: no current hook >> or global scope') >> >> Am I using this relation wrong or is this a bug? >> >> >> >> Kind regards >> Merlijn >> >> -- >> Juju mailing list >> Juju@lists.ubuntu.com >> Modify settings or unsubscribe at: >> https://lists.ubuntu.com/mailman/listinfo/juju >> >> >
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