},
			}
		}
	}

	subsetClusters := b.applyDestinationRule(defaultCluster)
	out := make([]*cluster.Cluster, 0, 1+len(subsetClusters))
	if defaultCluster != nil {
		out = append(out, defaultCluster)
	}
	return append(out, subsetClusters...)
}

// edsCluster creates a simple cluster to read endpoints from ads/eds.

		switch key.Kind {
		case kind.ServiceEntry:
			svcs, deleted = configgen.deltaFromServices(key, proxy, updates.Push, serviceClusters,
				servicePortClusters, subsetClusters)
		case kind.DestinationRule:
			svcs, deleted = configgen.deltaFromDestinationRules(key, proxy, subsetClusters)
		}
		services = append(services, svcs...)
		deletedClusters.InsertAll(deleted...)
	}
	clusters, log := configgen.buildClusters(proxy, updates, services)

	}
	subsetClusters := make([]*cluster.Cluster, 0)
	for _, subset := range destinationRule.GetSubsets() {
		subsetCluster := cb.buildSubsetCluster(opts, destRule, subset, service, eb)
		if subsetCluster != nil {
			subsetClusters = append(subsetClusters, subsetCluster)
		}
	}
	return subsetClusters
}

				tt.service, destRule)
			subsetClusters := cb.applyDestinationRule(ec, tt.clusterMode, tt.service, tt.port, eb, destRule.GetRule(), nil)
			if len(subsetClusters) != len(tt.expectedSubsetClusters) {
				t.Fatalf("Unexpected subset clusters want %v, got %v. keys=%v",
					len(tt.expectedSubsetClusters), len(subsetClusters), xdstest.MapKeys(xdstest.ExtractClusters(subsetClusters)))
			}
			if len(tt.expectedSubsetClusters) > 0 {