Build setup-envtest in hack/tools

This makes the build of setup-envtest consistent with the other tools
built in hack/tools. By moving the dependency to go.mod, it also allows
the build to work correctly when using enforced vendoring.

Author: mdbooth

Makefile

@@ -51,12 +51,7 @@ GOLANGCI_LINT := $(TOOLS_BIN_DIR)/golangci-lint
 KUSTOMIZE := $(TOOLS_BIN_DIR)/kustomize
 MOCKGEN := $(TOOLS_BIN_DIR)/mockgen
 RELEASE_NOTES := $(TOOLS_BIN_DIR)/release-notes
-
-# Setup-envtest
-SETUP_ENVTEST_VER := v0.0.0-20221201045826-d9912251cd81
-SETUP_ENVTEST_BIN := setup-envtest
-SETUP_ENVTEST := $(abspath $(TOOLS_BIN_DIR)/$(SETUP_ENVTEST_BIN)-$(SETUP_ENVTEST_VER))
-SETUP_ENVTEST_PKG := sigs.k8s.io/controller-runtime/tools/setup-envtest
+SETUP_ENVTEST := $(TOOLS_BIN_DIR)/setup-envtest
 
 # Kubebuilder
 export KUBEBUILDER_ENVTEST_KUBERNETES_VERSION ?= 1.25.0
@@ -224,12 +219,6 @@ managers:
 manager-openstack-infrastructure: ## Build manager binary.
 	CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags "${LDFLAGS} -extldflags '-static'" -o $(BIN_DIR)/manager .
 
-$(SETUP_ENVTEST): # Build setup-envtest from tools folder.
-	GOBIN=$(abspath $(TOOLS_BIN_DIR)) $(GO_INSTALL) $(SETUP_ENVTEST_PKG) $(SETUP_ENVTEST_BIN) $(SETUP_ENVTEST_VER)
-
-.PHONY: $(SETUP_ENVTEST_BIN)
-	$(SETUP_ENVTEST_BIN): $(SETUP_ENVTEST) ## Build a local copy of setup-envtest.
-
 ## --------------------------------------
 ##@ Linting
 ## --------------------------------------

common.mk

@@ -46,7 +46,7 @@ endif
 export GOPROXY
 
 $(TOOLS_BIN_DIR)/%: $(TOOLS_DIR_DEPS)
-	make -C $(TOOLS_DIR) $(subst $(TOOLS_DIR)/,,$@)
+	$(MAKE) -C $(TOOLS_DIR) $(subst $(TOOLS_DIR)/,,$@)
 
 ## --------------------------------------
 ##@ Help

hack/tools/Makefile

@@ -73,6 +73,10 @@ ENVSUBST := $(BIN_DIR)/envsubst
 $(ENVSUBST): go.mod go.sum | $(BIN_DIR) # Build envsubst from tools folder.
 	go build -tags=tools -o $@ github.com/a8m/envsubst/cmd/envsubst
 
+SETUP_ENVTEST := $(BIN_DIR)/setup-envtest
+$(SETUP_ENVTEST): go.mod go.sum | $(BIN_DIR)
+	go build -tags=tools -o $@ sigs.k8s.io/controller-runtime/tools/setup-envtest
+
 GH_SHARE := $(SHARE_DIR)/gh
 
 $(GH_SHARE): $(SHARE_DIR)

hack/tools/go.mod

@@ -9,6 +9,7 @@ require (
 	github.com/onsi/ginkgo/v2 v2.11.0
 	k8s.io/code-generator v0.28.0
 	sigs.k8s.io/cluster-api/hack/tools v0.0.0-20221129083400-679ae3e9e6b6
+	sigs.k8s.io/controller-runtime/tools/setup-envtest v0.0.0-20230926180527-c93e2abcb28e
 	sigs.k8s.io/controller-tools v0.13.0
 	sigs.k8s.io/kustomize/kustomize/v5 v5.1.1
 )
@@ -21,6 +22,7 @@ require (
 	github.com/fatih/color v1.15.0 // indirect
 	github.com/go-errors/errors v1.4.2 // indirect
 	github.com/go-logr/logr v1.2.4 // indirect
+	github.com/go-logr/zapr v1.2.0 // indirect
 	github.com/go-openapi/jsonpointer v0.19.6 // indirect
 	github.com/go-openapi/jsonreference v0.20.2 // indirect
 	github.com/go-openapi/swag v0.22.3 // indirect
@@ -47,10 +49,14 @@ require (
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/monochromegane/go-gitignore v0.0.0-20200626010858-205db1a8cc00 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
+	github.com/spf13/afero v1.9.2 // indirect
 	github.com/spf13/cobra v1.7.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/xlab/treeprint v1.2.0 // indirect
 	go.starlark.net v0.0.0-20200306205701-8dd3e2ee1dd5 // indirect
+	go.uber.org/atomic v1.10.0 // indirect
+	go.uber.org/multierr v1.11.0 // indirect
+	go.uber.org/zap v1.19.1 // indirect
 	golang.org/x/mod v0.12.0 // indirect
 	golang.org/x/net v0.15.0 // indirect
 	golang.org/x/sys v0.12.0 // indirect