func (i *importer) makeRelationDoc(rel description.Relation) *relationDoc { endpoints := rel.Endpoints() doc := &relationDoc{ Key: rel.Key(), Id: rel.Id(), Endpoints: make([]Endpoint, len(endpoints)), Life: Alive, } for i, ep := range endpoints { doc.Endpoints[i] = Endpoint{ ServiceName: ep.ServiceName(), Relation: charm.Relation{ Name: ep.Name(), Role: charm.RelationRole(ep.Role()), Interface: ep.Interface(), Optional: ep.Optional(), Limit: ep.Limit(), Scope: charm.RelationScope(ep.Scope()), }, } doc.UnitCount += ep.UnitCount() } return doc }