def hosts_up(self, context, topic):
"""Return the list of hosts that have a running service for topic."""
services = db.service_get_all_by_topic(context, topic)
return [service['host']
for service in services
if self.servicegroup_api.service_is_up(service)]
def test_service_get_all_by_topic(self):
values = [
{'host': 'host1', 'topic': 't1'},
{'host': 'host2', 'topic': 't1'},
{'disabled': True, 'topic': 't1'},
{'host': 'host3', 'topic': 't2'}
]
services = [self._create_service(vals) for vals in values]
expected = services[:2]
real = db.service_get_all_by_topic(self.ctxt, 't1')
self._assertEqualListsOfObjects(expected, real)
def get_all(self, group_id):
"""Returns ALL members of the given group
"""
LOG.debug(_('DB_Driver: get_all members of the %s group') % group_id)
rs = []
ctxt = context.get_admin_context()
services = db.service_get_all_by_topic(ctxt, group_id)
for service in services:
if self.is_up(service):
rs.append(service['host'])
return rs
