Makefile

DOCKER_REPO=nicholasjackson/smi-controller-example
DOCKER_VERSION=0.1.0
HELM_VERSION=0.2.0
SHELL := /bin/bash
UNAME := $(shell uname)

build_docker_setup:
	docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
	docker buildx create --name multi
	docker buildx use multi
	docker buildx inspect --bootstrap

build_docker_local: build_docker_setup
	docker buildx build --platform linux/amd64 \
		-t ${DOCKER_REPO}:${DOCKER_VERSION} \
		-f ./Dockerfile \
		. \
		--load
	docker buildx rm multi || true

build_docker_push: build_docker_setup
	docker buildx build --platform linux/arm64,linux/amd64 \
		-t ${DOCKER_REPO}:${DOCKER_VERSION} \
		-f ./Dockerfile \
		. \
		--push
	docker buildx rm multi || true

generate_helm: manifests
# First generate the Helm specific kustomize config that creates the RBAC and CRDs
	kustomize build ./config/helm -o ./helm/smi-controller/templates

# Pick the correct sed -i argument based on OS (Darwin uses BSD sed, not GNU sed)
# Replace port with helm syntax, kustomize rejects Helm syntax not in quotes and this field is an integer
	sedi=(-i) && [ "$(UNAME)" == "Darwin" ] && sedi=(-i '') ; \
	sed "$${sedi[@]}" -e 's/port: 443/port: {{ .Values.webhook.port }}/' ./helm/smi-controller/templates/apiextensions.k8s.io_v1_customresourcedefinition_*.yaml

# Delete extra files
	rm ./helm/smi-controller/templates/v1_service_smi-controller-controller-manager-metrics-service.yaml
	rm ./helm/smi-controller/templates/v1_serviceaccount_smi-controller-controller-manager.yaml

# Now package the Helm chart into a tarball
	helm package ./helm/smi-controller

# Move it to the ./docs folder used to serve Github Pages
	mv smi-controller-${HELM_VERSION}.tgz ./docs/

# Generate the index
	cd ./docs && helm repo index .

fetch_certs:
	mkdir -p /tmp/k8s-webhook-server/serving-certs/
	
	kubectl get secret smi-controller-webhook-certificate -n shipyard -o json | \
		jq -r '.data."tls.crt"' | \
		base64 -d > /tmp/k8s-webhook-server/serving-certs/tls.crt
	
	kubectl get secret smi-controller-webhook-certificate -n shipyard -o json | \
		jq -r '.data."tls.key"' | \
		base64 -d > /tmp/k8s-webhook-server/serving-certs/tls.key

run_local: fetch_certs
	go run .

functional_test: fetch_certs
	cd test && go run .

# ------ BELOW is the generated Makefile from the kubebuilder v3 generator ------ #

# Image URL to use all building/pushing image targets
IMG ?= controller:latest
# Produce CRDs that work back to Kubernetes 1.11 (no version conversion)
CRD_OPTIONS ?= "crd:trivialVersions=true,preserveUnknownFields=false"

# Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)
ifeq (,$(shell go env GOBIN))
GOBIN=$(shell go env GOPATH)/bin
else
GOBIN=$(shell go env GOBIN)
endif

all: build

##@ General

# The help target prints out all targets with their descriptions organized
# beneath their categories. The categories are represented by '##@' and the
# target descriptions by '##'. The awk commands is responsible for reading the
# entire set of makefiles included in this invocation, looking for lines of the
# file as xyz: ## something, and then pretty-format the target and help. Then,
# if there's a line with ##@ something, that gets pretty-printed as a category.
# More info on the usage of ANSI control characters for terminal formatting:
# https://en.wikipedia.org/wiki/ANSI_escape_code#SGR_parameters
# More info on the awk command:
# http://linuxcommand.org/lc3_adv_awk.php

help: ## Display this help.
	@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n  make \033[36m<target>\033[0m\n"} /^[a-zA-Z_0-9-]+:.*?##/ { printf "  \033[36m%-15s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)

##@ Development

manifests: controller-gen ## Generate WebhookConfiguration, ClusterRole and CustomResourceDefinition objects.
	$(CONTROLLER_GEN) $(CRD_OPTIONS) rbac:roleName=manager-role webhook paths="./..." output:crd:artifacts:config=config/crd/bases

generate: controller-gen ## Generate code containing DeepCopy, DeepCopyInto, and DeepCopyObject method implementations.
	$(CONTROLLER_GEN) object:headerFile="hack/boilerplate.go.txt" paths="./..."

fmt: ## Run go fmt against code.
	go fmt ./...

vet: ## Run go vet against code.
	go vet ./...

ENVTEST_ASSETS_DIR=$(shell pwd)/testbin
test: manifests generate fmt vet ## Run tests.
	mkdir -p ${ENVTEST_ASSETS_DIR}
	echo ${ENVTEST_ASSETS_DIR}
	test -f ${ENVTEST_ASSETS_DIR}/setup-envtest.sh || curl -sSLo ${ENVTEST_ASSETS_DIR}/setup-envtest.sh https://raw.githubusercontent.com/kubernetes-sigs/controller-runtime/v0.7.2/hack/setup-envtest.sh
# Run test sequentially as each controller starts it's own test environment
	source ${ENVTEST_ASSETS_DIR}/setup-envtest.sh; fetch_envtest_tools $(ENVTEST_ASSETS_DIR); setup_envtest_env $(ENVTEST_ASSETS_DIR); go test -p 1 ./... -coverprofile cover.out

##@ Build

build: generate fmt vet ## Build manager binary.
	go build -o bin/manager main.go

run: manifests generate fmt vet ## Run a controller from your host.
	go run ./main.go

docker-build: test ## Build docker image with the manager.
	docker build -t ${IMG} .

docker-push: ## Push docker image with the manager.
	docker push ${IMG}

##@ Deployment

install: manifests kustomize ## Install CRDs into the K8s cluster specified in ~/.kube/config.
	$(KUSTOMIZE) build config/crd | kubectl apply -f -

uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config.
	$(KUSTOMIZE) build config/crd | kubectl delete -f -

deploy: manifests kustomize ## Deploy controller to the K8s cluster specified in ~/.kube/config.
	cd config/manager && $(KUSTOMIZE) edit set image controller=${IMG}
	$(KUSTOMIZE) build config/default | kubectl apply -f -

undeploy: ## Undeploy controller from the K8s cluster specified in ~/.kube/config.
	$(KUSTOMIZE) build config/default | kubectl delete -f -

CONTROLLER_GEN = $(shell pwd)/bin/controller-gen
controller-gen: ## Download controller-gen locally if necessary.
	$(call go-get-tool,$(CONTROLLER_GEN),sigs.k8s.io/controller-tools/cmd/controller-gen@v0.4.1)

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)

# 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
@[ -f $(1) ] || { \
set -e ;\
TMP_DIR=$$(mktemp -d) ;\
cd $$TMP_DIR ;\
go mod init tmp ;\
echo "Downloading $(2)" ;\
GOBIN=$(PROJECT_DIR)/bin go get $(2) ;\
rm -rf $$TMP_DIR ;\
}
endef