~cf-charmers/charms/trusty/cf-go-router/trunk

add hooks/charmhelpers/contrib/cloudfoundry/contexts.py

added added

removed removed

from charmhelpers.core import hookenv

from charmhelpers.contrib.openstack.context import OSContextGenerator

class RenderContext(OSContextGenerator):

def __call__(self):

if not hookenv.relation_ids(self.interface):

return {}

ctx = {}

for rid in hookenv.relation_ids(self.interface):

for unit in hookenv.related_units(rid):

reldata = hookenv.relation_get(rid=rid, unit=unit)

required = set(self.required_keys)

if set(reldata.keys()) == required:

for k, v in reldata.items():

ctx["%s.%s" % (self.interface, k)] = v

return ctx

return {}

class NatsContext(RenderContext):

interface = 'nats'

required_keys = ['nats_port', 'nats_host']

class RouterContext(RenderContext):

interface = 'router'

required_keys = ['router_domain']