Use go run for codegen and improve Makefile

Signed-off-by: Dyanngg <[email protected]>

Author: Dyanngg

Makefile

@@ -23,20 +23,61 @@ help: ## Display this help.
 
 ##@ Development
 
+CLIENTSET_NAME ?= versioned
+CLIENTSET_PKG_NAME ?= clientset
+API_PKG ?= sigs.k8s.io/network-policy-api
+API_GROUP_NAME ?= policy.networking.k8s.io
+API_DIR ?= ${API_PKG}/apis/v1alpha1
+OUTPUT_PKG ?= sigs.k8s.io/network-policy-api/client
+COMMON_FLAGS ?= --go-header-file $(shell pwd)/hack/boilerplate.go.txt
+
+.PHONY: manifests
 manifests: ## Generate ClusterRole and CustomResourceDefinition objects.
 	go run sigs.k8s.io/controller-tools/cmd/controller-gen rbac:roleName=manager-role crd paths=./apis/... output:crd:dir=./config/crd/bases output:stdout
 
-generate: ## Generate code containing DeepCopy, DeepCopyInto, and DeepCopyObject method implementations.
-	go run sigs.k8s.io/controller-tools/cmd/controller-gen object:headerFile="hack/boilerplate.go.txt" paths="./..."
-
+.PHONY: fmt
 fmt: ## Run go fmt against code.
 	go fmt ./...
 
+.PHONY: vet
 vet: ## Run go vet against code.
 	go vet ./...
 
+.PHONY: generate
+generate: generate-deepcopy generate-typed-clients generate-typed-listers generate-typed-informers
+
+.PHONY: generate-deepcopy
+generate-deepcopy: ## Generate code containing DeepCopy, DeepCopyInto, and DeepCopyObject method implementations.
+	go run sigs.k8s.io/controller-tools/cmd/controller-gen object:headerFile="hack/boilerplate.go.txt" paths="./..."
+
+.PHONY: generate-typed-clients
+generate-typed-clients: ## Generate typed client code
+	go run k8s.io/code-generator/cmd/client-gen \
+	--clientset-name "${CLIENTSET_NAME}" \
+	--input-base "" \
+	--input "${API_DIR}" \
+	--output-package "${OUTPUT_PKG}/${CLIENTSET_PKG_NAME}" \
+	${COMMON_FLAGS}
+
+.PHONY: generate-typed-listers
+generate-typed-listers: ## Generate typed listers code
+	go run k8s.io/code-generator/cmd/lister-gen \
+	--input-dirs "${API_DIR}" \
+	--output-package "${OUTPUT_PKG}/listers" \
+	${COMMON_FLAGS}
+
+.PHONY: generate-typed-informers
+generate-typed-informers: ## Generate typed informers code
+	go run k8s.io/code-generator/cmd/informer-gen \
+	--input-dirs "${API_DIR}" \
+	--versioned-clientset-package "${OUTPUT_PKG}/${CLIENTSET_PKG_NAME}/${CLIENTSET_NAME}" \
+	--listers-package "${OUTPUT_PKG}/listers" \
+	--output-package "${OUTPUT_PKG}/informers" \
+	${COMMON_FLAGS}
+
 all: generate manifests fmt vet ## Runs all the development targets
 
+.PHONY: verify
 verify:
 	hack/verify-all.sh -v