Support local cert manager

Add the installation of the cert manager for the tools used during dev
work.

Makefile

@@ -58,6 +58,9 @@ CRD_OPTIONS ?= "crd:trivialVersions=true,preserveUnknownFields=false"
 # ENVTEST_K8S_VERSION refers to the version of kubebuilder assets to be downloaded by envtest binary.
 ENVTEST_K8S_VERSION = 1.21
 
+# Cert manager is required for the webhooks.
+CERT_MANAGER_VERSION ?= 1.12.1
+
 # Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)
 ifeq (,$(shell go env GOBIN))
 GOBIN=$(shell go env GOPATH)/bin
@@ -182,7 +185,7 @@ docker-push: ## Push docker image with the manager.
 
 ##@ Deployment
 
-install: manifests kustomize install-authorino ## Install CRDs into the K8s cluster specified in ~/.kube/config.
+install: manifests kustomize install-cert-manager install-authorino ## Install CRDs into the K8s cluster specified in ~/.kube/config.
 	kubectl apply -f $(OPERATOR_MANIFESTS)
 
 uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config.
@@ -200,6 +203,10 @@ undeploy: ## Undeploy controller from the K8s cluster specified in ~/.kube/confi
 install-authorino: ## install RBAC and CRD for authorino
 	$(KUSTOMIZE) build config/authorino | kubectl apply -f -
 
+install-cert-manager: ## install the cert manager need for the web hooks
+	kubectl apply -f https://github.com/cert-manager/cert-manager/releases/download/v${CERT_MANAGER_VERSION}/cert-manager.yaml
+	kubectl -n cert-manager wait --timeout=300s --for=condition=Available deployments --all
+
 # go-get-tool will 'go install' any package $2 and install it to $1.
 PROJECT_DIR := $(shell dirname $(abspath $(lastword $(MAKEFILE_LIST))))
 define go-get-tool