docs: update readme to reflect new v1beta1 API changes (Azure#612)

Co-authored-by: Ryan Zhang <[email protected]>

Makefile

@@ -16,6 +16,7 @@ HUB_SERVER_URL ?= https://172.19.0.2:6443
 
 HUB_KIND_CLUSTER_NAME = hub-testing
 MEMBER_KIND_CLUSTER_NAME = member-testing
+MEMBER_CLUSTER_COUNT ?= 3
 
 # Directories
 ROOT_DIR := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
@@ -144,9 +145,7 @@ integration-test: $(ENVTEST) ## Run tests.
 	ginkgo -v -p --race --cover --coverpkg=./pkg/scheduler/... ./test/scheduler && \
 	go test ./test/integration/... -coverpkg=./...  -race -coverprofile=it-coverage.xml -v
 
-## e2e tests
-
-# Note that these targets are only used for E2E tests of the v1alpha1 API.
+## local tests & e2e tests
 
 install-hub-agent-helm:
 	kind export kubeconfig --name $(HUB_KIND_CLUSTER_NAME)
@@ -201,8 +200,12 @@ install-helm:  load-hub-docker-image load-member-docker-image install-member-age
 e2e-tests-v1alpha1: create-kind-cluster run-e2e-v1alpha1
 
 .PHONY: e2e-tests
-e2e-tests:
-	cd ./test/e2e && chmod +x ./setup.sh && ./setup.sh && ginkgo -v -p .
+e2e-tests: setup-clusters
+	cd ./test/e2e && ginkgo -v -p .
+
+.PHONY: setup-clusters
+setup-clusters:
+	cd ./test/e2e && chmod +x ./setup.sh && ./setup.sh $(MEMBER_CLUSTER_COUNT)
 
 ## reviewable
 .PHONY: reviewable
@@ -326,4 +329,4 @@ clean-e2e-tests-v1alpha1:
 
 .PHONY: clean-e2e-tests
 clean-e2e-tests:
-	cd ./test/e2e && chmod +x ./stop.sh && ./stop.sh
+	cd ./test/e2e && chmod +x ./stop.sh && ./stop.sh $(MEMBER_CLUSTER_COUNT)