Try running controller in e2e test:

Makefile

@@ -90,7 +90,7 @@ test: $(TOOLBIN)/etcd $(TOOLBIN)/kube-apiserver $(TOOLBIN)/kubectl
 # Run e2e-tests
 .PHONY: e2e-test
 e2e-test: generate fmt vet manifests $(TOOLBIN)/kind
-	BIN=$(TOOLBIN) ./e2e/test_e2e.sh
+	BIN=$(TOOLBIN) ./e2e/run_e2e_test.sh
 
 ## --------------------------------------
 ## Build and run
@@ -100,6 +100,11 @@ e2e-test: generate fmt vet manifests $(TOOLBIN)/kind
 bin/manager: main.go generate fmt vet manifests
 	go build -o bin/manager main.go
 
+# Run against the configured Kubernetes cluster in ~/.kube/config
+.PHONY: runbg
+runbg: generate fmt vet manifests
+	go run ./main.go >& controller.log & echo $$! > controller.pid
+
 # Run against the configured Kubernetes cluster in ~/.kube/config
 .PHONY: run
 run: generate fmt vet manifests

e2e/test_e2e.sh → e2e/run_e2e_test.sh

@@ -2,22 +2,24 @@
 # Copyright 2020 The Kubernetes Authors.
 # SPDX-License-Identifier: Apache-2.0
 
-
-
 set -o errexit
 set -o nounset
 set -o pipefail
 
+# remove running containers on exit
+function cleanup() {
+    kill `cat controller.pid`
+    ${BIN}/kind delete cluster
+    cat controller.log
+}
+
+
 K8S_VERSION="v1.16.4"
 
 export KUBECONFIG="$(${BIN}/kind get kubeconfig-path --name="kind")"
 # image supported version are listed at https://hub.docker.com/r/kindest/node/tags
 ${BIN}/kind create cluster -v 4 --retain --wait=1m --config e2e/kind-config.yaml --image=kindest/node:$K8S_VERSION
-
-# remove running containers on exit
-function cleanup() {
-    ${BIN}/kind delete cluster
-}
+make runbg
 
 trap cleanup EXIT