Makefile

# Image URL to use all building/pushing image targets
IMG ?= docker.io/warmmetal/cliapp-controller:v0.5.0
SESSION_GATE_IMAGE ?= docker.io/warmmetal/session-gate:v0.3.0
# 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: manager

# Run tests
ENVTEST_ASSETS_DIR=$(shell pwd)/testbin
test: generate fmt vet manifests
	mkdir -p ${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/v0.7.0/hack/setup-envtest.sh
	source ${ENVTEST_ASSETS_DIR}/setup-envtest.sh; fetch_envtest_tools $(ENVTEST_ASSETS_DIR); setup_envtest_env $(ENVTEST_ASSETS_DIR); go test ./... -coverprofile cover.out

# Build manager binary
manager: generate fmt vet
	go build -o bin/manager ./cmd/manager
	go build -o bin/session-gate ./cmd/session-gate

# Run against the configured Kubernetes cluster in ~/.kube/config
run: generate fmt vet manifests
	go run ./cmd/manager

# Install CRDs into a cluster
install: manifests kustomize
	$(KUSTOMIZE) build config/crd | kubectl apply -f -

# Uninstall CRDs from a cluster
uninstall: manifests kustomize
	$(KUSTOMIZE) build config/crd | kubectl delete -f -

# Deploy controller in the configured Kubernetes cluster in ~/.kube/config
deploy: manifests kustomize update-manifest-images
	$(KUSTOMIZE) build config/default | kubectl apply -f -

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

minikube: manifests kustomize update-manifest-images
	$(KUSTOMIZE) build config/minikube | kubectl apply -f -

unminikube:
	$(KUSTOMIZE) build config/minikube | kubectl delete -f -

containerd: manifests kustomize update-manifest-images
	$(KUSTOMIZE) build config/containerd | kubectl apply -f -

dump-manifest: manifests kustomize update-manifest-images
	$(KUSTOMIZE) build config/minikube > config/samples/minikube.yaml
	$(KUSTOMIZE) build config/containerd > config/samples/containerd.yaml

uncontainerd:
	$(KUSTOMIZE) build config/containerd | kubectl delete -f -

update-manifest-images:
	cd config/manager && $(KUSTOMIZE) edit set image controller=${IMG}
	cd config/session && $(KUSTOMIZE) edit set image session-gate=${SESSION_GATE_IMAGE}

# Generate manifests e.g. CRD, RBAC etc.
manifests: controller-gen
	$(CONTROLLER_GEN) $(CRD_OPTIONS) rbac:roleName=manager-role webhook paths="./..." output:crd:artifacts:config=config/crd/bases

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

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

# Generate code
generate: controller-gen session-rpc-gen
	$(CONTROLLER_GEN) object:headerFile="hack/boilerplate.go.txt" paths="./..."

session-rpc-gen:
	go generate ./cmd/session-gate/

# Build the docker image
docker-build:
	kubectl dev build -t ${IMG} --target manager
	kubectl dev build -t ${SESSION_GATE_IMAGE} --target session-gate

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

# Download kustomize locally if necessary
KUSTOMIZE = $(shell pwd)/bin/kustomize
kustomize:
	$(call go-get-tool,$(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