kubernetes k8s makefile download tools utilities

k8s.mk

#!/usr/bin/env make -f

TOOLS := \
	kn \
	k3d \
	rke \
	kind \
	kops \
	krew \
	kubens \
	kubectx \
	kubectl \
	kompose \
	minikube \
	skaffold \
	stern \
	helm

#coredns

OS := $(shell uname -s | tr '[:upper:]' '[:lower:]')
ARCH := amd64

REL_kn = https://api.github.com/repos/knative/client/releases/tags/v0.16.0
URL_kn = https://github.com/knative/client/releases/download/${VER}/kn-$(OS)-$(ARCH)

REL_k3s = https://api.github.com/repos/rancher/k3s/releases/latest
URL_k3s = https://github.com/rancher/k3s/releases/download/${VER}/k3s-$(ARCH)

REL_k3d = https://api.github.com/repos/rancher/k3d/releases/latest
URL_k3d = https://github.com/rancher/k3d/releases/download/${VER}/k3d-$(OS)-$(ARCH)

REL_rke = https://api.github.com/repos/rancher/rke/releases/latest
URL_rke = https://github.com/rancher/rke/releases/download/${VER}/rke_$(OS)-$(ARCH)

REL_helm = https://api.github.com/repos/helm/helm/releases/tags/v3.2.4
URL_helm = https://get.helm.sh/helm-${VER}-$(OS)-$(ARCH).tar.gz
EXT_helm = file -bzI "$@-$(OS)-${VER}" | grep -q 'application/x-tar' || exit 0; \
	tar --strip=1 -xzvf "$@-$(OS)-${VER}" "$(OS)-$(ARCH)/$*" && mv -vf "$*" "$@-$(OS)-${VER}"

REL_kind = https://api.github.com/repos/kubernetes-sigs/kind/releases/latest
URL_kind = https://kind.sigs.k8s.io/dl/${VER}/kind-$(OS)-$(ARCH)

REL_kops = https://api.github.com/repos/kubernetes/kops/releases/latest
URL_kops = https://github.com/kubernetes/kops/releases/download/${VER}/kops-$(OS)-$(ARCH)

REL_krew = https://api.github.com/repos/kubernetes-sigs/krew/releases/latest
URL_krew = https://github.com/kubernetes-sigs/krew/releases/download/${VER}/krew.tar.gz
EXT_krew = file -bzI "$@-$(OS)-${VER}" | grep -q 'application/x-tar' || exit 0; \
	tar xzvf "$@-$(OS)-${VER}" "$*-$(OS)_$(ARCH)" && mv -vf "$*-$(OS)_$(ARCH)" "$@-$(OS)-${VER}"

REL_kubens = https://api.github.com/repos/ahmetb/kubectx/releases/latest
URL_kubens = https://github.com/ahmetb/kubectx/releases/download/${VER}/kubens

REL_kubectx = https://api.github.com/repos/ahmetb/kubectx/releases/latest
URL_kubectx = https://github.com/ahmetb/kubectx/releases/download/${VER}/kubectx

REL_kubectl = https://storage.googleapis.com/kubernetes-release/release/stable.txt
REL_kubectl = https://api.github.com/repos/kubernetes/kubernetes/releases/latest
URL_kubectl = https://storage.googleapis.com/kubernetes-release/release/${VER}/bin/$(OS)/$(ARCH)/kubectl

REL_kompose = https://api.github.com/repos/kubernetes/kompose/releases/latest
URL_kompose = https://github.com/kubernetes/kompose/releases/download/${VER}/kompose-$(OS)-$(ARCH)

REL_minikube = https://api.github.com/repos/kubernetes/minikube/releases/latest
URL_minikube = https://storage.googleapis.com/minikube/releases/${VER}/minikube-$(OS)-$(ARCH)
URL_minikube = https://github.com/kubernetes/minikube/releases/download/${VER}/minikube-$(OS)-$(ARCH)

REL_skaffold = https://api.github.com/repos/GoogleContainerTools/skaffold/releases/latest
URL_skaffold = https://storage.googleapis.com/skaffold/releases/${VER}/skaffold-$(OS)-$(ARCH)
URL_skaffold = https://github.com/GoogleContainerTools/skaffold/releases/download/${VER}/skaffold-$(OS)-$(ARCH)

REL_stern = https://api.github.com/repos/wercker/stern/releases/latest
URL_stern = https://github.com/wercker/stern/releases/download/${VER}/stern_$(OS)_$(ARCH)

REL_coredns = https://api.github.com/repos/coredns/coredns/releases/latest
URL_coredns = https://github.com/coredns/coredns/releases/download/${VER}/coredns_$$(echo ${VER} | cut -b2-)_$(OS)_$(ARCH).tgz
EXT_coredns = file -bzI "$@-$(OS)-${VER}" | grep -q 'application/x-tar' || exit 0; \
	tar xzvf "$@-$(OS)-${VER}" "$*-$(OS)_$(ARCH)" && mv -vf "$*-$(OS)_$(ARCH)" "$@-$(OS)-${VER}"

# https://github.com/kubernetes-sigs/kustomize/releases/download/api%2Fv0.5.1/api_v0.5.1_darwin_amd64.tar.gz
# https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize%2Fv3.8.1/kustomize_v3.8.1_darwin_amd64.tar.gz
# https://github.com/kubernetes-sigs/kubefed/releases/download/v0.3.1/kubefedctl-0.3.1-darwin-amd64.tgz

all: $(addprefix bin/, $(TOOLS) )
	@echo '********************************************************************'
	@echo '==> ADD $(PWD)/bin or $(CURDIR)/bin to $$PATH !!! <=='
	@echo '********************************************************************'

.PRECIOUS: %.json
%.json:
	@echo "CURL -o '$@' '$(REL_$*)' #"
	@curl --compressed -#4Lfm5 -o "$@" -z "$@" "$(REL_$*)"

bin/%: export VER = $$(grep 'tag_name' "$<" | cut -d\" -f4 || head -1 "$<")
bin/%: %.json bin
	@echo              "CURL -o '$@-$(OS)-${VER}' '$(URL_$*)' #"
	@curl --compressed -#4Lf -o "$@-$(OS)-${VER}" -z "$@-$(OS)-${VER}" "$(URL_$*)"
	@echo "IF '$(EXT_$*)' -> '$(EXT_$*)' #"
	@test -z  "$(EXT_$*)" || $(SHELL) -xc '$(EXT_$*) && touch "$@-$(OS)-${VER}";'
	@echo "LN '$@-$(OS)-${VER}' -> '$@' #"
	@ln -vsfF "$*-$(OS)-${VER}"    "$@"
	@echo "CHMOD '$@-$(OS)-${VER}' '$@' '$(ARCH)' #"
	@chmod a+rx  "$@-$(OS)-${VER}"

bin:
	mkdir -p "$@"

clean:
	rm -rf $(addprefix bin/, $(TOOLS) ) $(addsuffix .json $(TOOLS) )