Add kind targets to Makefile

* Add targets for creating or resetting a `kind` cluster for development
* Fix the RBAC resources which are created by `kind-cluster` target for
  development

Signed-off-by: rustyclock <rustyclock@protonmail.com>

Makefile

@@ -54,6 +54,22 @@ test: manifests generate fmt vet ## Run tests.
 	test -f ${ENVTEST_ASSETS_DIR}/setup-envtest.sh || curl -sSLo ${ENVTEST_ASSETS_DIR}/setup-envtest.sh https://raw.githubusercontent.com/kubernetes-sigs/controller-runtime/v0.8.3/hack/setup-envtest.sh
 	source ${ENVTEST_ASSETS_DIR}/setup-envtest.sh; fetch_envtest_tools $(ENVTEST_ASSETS_DIR); setup_envtest_env $(ENVTEST_ASSETS_DIR); go test ./... -coverprofile cover.out
 
+kind-cluster: kind-cluster-create ## Deploy RBAC resources to kindd cluster for development
+	kubectl apply -f kind
+	kubectl apply -f kind/rbac
+
+KIND_CLUSTER_NAME = spanner-autoscaler
+kind-cluster-create: kind ## Create a kind cluster for development
+	@if [ -z $(shell $(KIND) get clusters | grep $(KIND_CLUSTER_NAME)) ]; then \
+	  $(KIND) create cluster --name $(KIND_CLUSTER_NAME); \
+	fi
+	kubectl config use-context kind-$(KIND_CLUSTER_NAME)
+
+kind-cluster-delete: kind ## Delete the kind cluster created for development
+	@$(KIND) delete cluster --name $(KIND_CLUSTER_NAME)
+
+kind-cluster-reset: kind kind-cluster-delete kind-cluster-create kind-cluster ## Recreate the kind cluster for development
+
 ##@ Build
 
 build: generate fmt vet ## Build manager binary.
@@ -92,6 +108,12 @@ KUSTOMIZE = $(shell pwd)/bin/kustomize
 kustomize: ## Download kustomize locally if necessary.
 	$(call go-get-tool,$(KUSTOMIZE),sigs.k8s.io/kustomize/kustomize/v3@v3.8.7)
 
+KIND = $(shell pwd)/bin/kind
+.PHONY: kind
+kind: ## Downlaod 'kind' locally if necessary
+	$(call go-get-tool,$(KIND),sigs.k8s.io/kind@v0.11.1)
+
+
 # go-get-tool will 'go get' any package $2 and install it to $1.
 PROJECT_DIR := $(shell dirname $(abspath $(lastword $(MAKEFILE_LIST))))
 define go-get-tool
@@ -105,3 +127,4 @@ GOBIN=$(PROJECT_DIR)/bin go get $(2) ;\
 rm -rf $$TMP_DIR ;\
 }
 endef
+

config/samples/spanner_v1alpha1_spannerautoscaler.yaml

@@ -3,6 +3,7 @@ apiVersion: spanner.mercari.com/v1alpha1
 kind: SpannerAutoscaler
 metadata:
   name: spannerautoscaler-sample
+  namespace: test
 spec:
   scaleTargetRef:
     projectId: test-project

kind/rbac/role.yaml

@@ -1,8 +1,7 @@
 ---
 apiVersion: rbac.authorization.k8s.io/v1
-kind: Role
+kind: ClusterRole
 metadata:
-  namespace: test
   name: spanner-autoscaller-service-account-reader
 rules:
   - apiGroups: [""]
@@ -12,41 +11,38 @@ rules:
 
 ---
 apiVersion: rbac.authorization.k8s.io/v1
-kind: RoleBinding
+kind: ClusterRoleBinding
 metadata:
-  namespace: test
   name: spanner-autoscaller-service-account-reader
 roleRef:
   apiGroup: rbac.authorization.k8s.io
-  kind: Role
+  kind: ClusterRole
   name: spanner-autoscaller-service-account-reader
 subjects:
   - kind: ServiceAccount
-    name: default
+    name: spanner-autoscaler-controller-manager
     namespace: spanner-autoscaler
 
 ---
 apiVersion: rbac.authorization.k8s.io/v1
-kind: Role
+kind: ClusterRole
 metadata:
-  namespace: test
   name: spanner-autoscaller-event-publisher
 rules:
   - apiGroups: [""]
     resources: ["events"]
-    verbs: ["create"]
+    verbs: ["create", "patch"]
 
 ---
 apiVersion: rbac.authorization.k8s.io/v1
-kind: RoleBinding
+kind: ClusterRoleBinding
 metadata:
-  namespace: test
   name: spanner-autoscaller-event-publisher
 roleRef:
   apiGroup: rbac.authorization.k8s.io
-  kind: Role
+  kind: ClusterRole
   name: spanner-autoscaller-event-publisher
 subjects:
   - kind: ServiceAccount
-    name: default
+    name: spanner-autoscaler-controller-manager
     namespace: spanner-autoscaler