From da4dfb3fdf2dea1237433f0157b633a6404ee50a Mon Sep 17 00:00:00 2001
From: Yusuke Kuoka <ykuoka@gmail.com>
Date: Wed, 31 Mar 2021 09:23:16 +0900
Subject: [PATCH] Add make target `test-with-deps` to ease setting up dependent
 binaries (#426)

---
 Makefile | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)

diff --git a/Makefile b/Makefile
index 786626f6..96497f7f 100644
--- a/Makefile
+++ b/Makefile
@@ -14,6 +14,8 @@ else
 GOBIN=$(shell go env GOBIN)
 endif
 
+TEST_ASSETS=$(PWD)/test-assets
+
 # default list of platforms for which multiarch image is built
 ifeq (${PLATFORMS}, )
 	export PLATFORMS="linux/amd64,linux/arm64"
@@ -37,6 +39,13 @@ all: manager
 test: generate fmt vet manifests
 	go test ./... -coverprofile cover.out
 
+test-with-deps: kube-apiserver etcd kubectl
+	# See https://pkg.go.dev/sigs.k8s.io/controller-runtime/pkg/envtest#pkg-constants
+	TEST_ASSET_KUBE_APISERVER=$(KUBE_APISERVER_BIN) \
+	TEST_ASSET_ETCD=$(ETCD_BIN) \
+	TEST_ASSET_KUBECTL=$(KUBECTL_BIN) \
+	  make test
+
 # Build manager binary
 manager: generate fmt vet
 	go build -o bin/manager main.go
@@ -191,3 +200,66 @@ ifeq (, $(wildcard $(GOBIN)/yq))
 	}
 endif
 YQ=$(GOBIN)/yq
+
+OS_NAME := $(shell uname -s | tr A-Z a-z)
+
+# find or download etcd
+etcd:
+ifeq (, $(wildcard $(TEST_ASSETS)/etcd))
+	@{ \
+	set -xe ;\
+	INSTALL_TMP_DIR=$$(mktemp -d) ;\
+	cd $$INSTALL_TMP_DIR ;\
+	wget https://github.com/kubernetes-sigs/kubebuilder/releases/download/v2.3.2/kubebuilder_2.3.2_$(OS_NAME)_amd64.tar.gz ;\
+	mkdir -p $(TEST_ASSETS) ;\
+	tar zxvf kubebuilder_2.3.2_$(OS_NAME)_amd64.tar.gz ;\
+	mv kubebuilder_2.3.2_$(OS_NAME)_amd64/bin/etcd $(TEST_ASSETS)/etcd ;\
+	mv kubebuilder_2.3.2_$(OS_NAME)_amd64/bin/kube-apiserver $(TEST_ASSETS)/kube-apiserver ;\
+	mv kubebuilder_2.3.2_$(OS_NAME)_amd64/bin/kubectl $(TEST_ASSETS)/kubectl ;\
+	rm -rf $$INSTALL_TMP_DIR ;\
+	}
+ETCD_BIN=$(TEST_ASSETS)/etcd
+else
+ETCD_BIN=$(TEST_ASSETS)/etcd
+endif
+
+# find or download kube-apiserver
+kube-apiserver:
+ifeq (, $(wildcard $(TEST_ASSETS)/kube-apiserver))
+	@{ \
+	set -xe ;\
+	INSTALL_TMP_DIR=$$(mktemp -d) ;\
+	cd $$INSTALL_TMP_DIR ;\
+	wget https://github.com/kubernetes-sigs/kubebuilder/releases/download/v2.3.2/kubebuilder_2.3.2_$(OS_NAME)_amd64.tar.gz ;\
+	mkdir -p $(TEST_ASSETS) ;\
+	tar zxvf kubebuilder_2.3.2_$(OS_NAME)_amd64.tar.gz ;\
+	mv kubebuilder_2.3.2_$(OS_NAME)_amd64/bin/etcd $(TEST_ASSETS)/etcd ;\
+	mv kubebuilder_2.3.2_$(OS_NAME)_amd64/bin/kube-apiserver $(TEST_ASSETS)/kube-apiserver ;\
+	mv kubebuilder_2.3.2_$(OS_NAME)_amd64/bin/kubectl $(TEST_ASSETS)/kubectl ;\
+	rm -rf $$INSTALL_TMP_DIR ;\
+	}
+KUBE_APISERVER_BIN=$(TEST_ASSETS)/kube-apiserver
+else
+KUBE_APISERVER_BIN=$(TEST_ASSETS)/kube-apiserver
+endif
+
+
+# find or download kubectl
+kubectl:
+ifeq (, $(wildcard $(TEST_ASSETS)/kubectl))
+	@{ \
+	set -xe ;\
+	INSTALL_TMP_DIR=$$(mktemp -d) ;\
+	cd $$INSTALL_TMP_DIR ;\
+	wget https://github.com/kubernetes-sigs/kubebuilder/releases/download/v2.3.2/kubebuilder_2.3.2_$(OS_NAME)_amd64.tar.gz ;\
+	mkdir -p $(TEST_ASSETS) ;\
+	tar zxvf kubebuilder_2.3.2_$(OS_NAME)_amd64.tar.gz ;\
+	mv kubebuilder_2.3.2_$(OS_NAME)_amd64/bin/etcd $(TEST_ASSETS)/etcd ;\
+	mv kubebuilder_2.3.2_$(OS_NAME)_amd64/bin/kube-apiserver $(TEST_ASSETS)/kube-apiserver ;\
+	mv kubebuilder_2.3.2_$(OS_NAME)_amd64/bin/kubectl $(TEST_ASSETS)/kubectl ;\
+	rm -rf $$INSTALL_TMP_DIR ;\
+	}
+KUBECTL_BIN=$(TEST_ASSETS)/kubectl
+else
+KUBECTL_BIN=$(TEST_ASSETS)/kubectl
+endif