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Makefile
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# Image URL to use all building/pushing image targets
IMG ?= cdkbot/capi-bootstrap-provider-microk8s:latest
# ENVTEST_K8S_VERSION refers to the version of kubebuilder assets to be downloaded by envtest binary.
ENVTEST_K8S_VERSION = 1.23
# Components file to be used by clusterctl
COMPSFILE=bootstrap-components.yaml
# 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
# Setting SHELL to bash allows bash commands to be executed by recipes.
# This is a requirement for 'setup-envtest.sh' in the test target.
# Options are set to exit when a recipe line exits non-zero or a piped command fails.
SHELL = /usr/bin/env bash -o pipefail
.SHELLFLAGS = -ec
.PHONY: all
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
.PHONY: help
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
.PHONY: manifests
manifests: controller-gen ## Generate WebhookConfiguration, ClusterRole and CustomResourceDefinition objects.
$(CONTROLLER_GEN) rbac:roleName=manager-role crd webhook paths="./..." output:crd:artifacts:config=config/crd/bases
.PHONY: generate
generate: controller-gen ## Generate code containing DeepCopy, DeepCopyInto, and DeepCopyObject method implementations.
$(CONTROLLER_GEN) object:headerFile="hack/boilerplate.go.txt" paths="./..."
.PHONY: fmt
fmt: ## Run go fmt against code.
go fmt ./...
.PHONY: vet
vet: ## Run go vet against code.
go vet ./...
.PHONY: test
test: manifests generate fmt vet envtest ## Run tests.
KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) -p path)" go test ./... -coverprofile cover.out
.PHONY: e2e
e2e: fmt vet envtest ## Run tests.
KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) -p path)" go clean -testcache
KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) -p path)" go test -tags=integration -v -timeout 6h ./integration
##@ Build
.PHONY: component
component: manifests kustomize ## Produce the bootstrap-components.yaml.
echo "---" > $(COMPSFILE)
$(KUSTOMIZE) build config/default/ >> $(COMPSFILE)
.PHONY: build
build: generate fmt vet ## Build manager binary.
go build -o bin/manager main.go
.PHONY: run
run: manifests generate fmt vet ## Run a controller from your host.
go run ./main.go
.PHONY: docker-build
docker-build-%: ## Build docker image with the manager.
docker build -t ${IMG}-$* . --build-arg arch=$*
docker-build: docker-build-amd64 docker-build-arm64
.PHONY: docker-push
docker-push-%: docker-build-% ## Push docker image with the manager.
docker push ${IMG}-$*
docker-push: docker-push-amd64 docker-push-arm64
.PHONY: docker-manifest
docker-manifest: docker-push ## Push docker multi-arch manifest.
docker manifest rm ${IMG} || true
docker manifest create ${IMG} --amend ${IMG}-amd64 --amend ${IMG}-arm64
docker manifest annotate ${IMG} ${IMG}-amd64 --arch=amd64
docker manifest annotate ${IMG} ${IMG}-arm64 --arch=arm64
docker manifest push ${IMG}
.PHONY: lint
lint: golangci-lint ## Lint the codebase
$(GOLANGCI_LINT) run -v --go=1.21 --timeout 3m0s
##@ Deployment
ifndef ignore-not-found
ignore-not-found = false
endif
.PHONY: install
install: manifests kustomize ## Install CRDs into the K8s cluster specified in ~/.kube/config.
$(KUSTOMIZE) build config/crd | kubectl apply -f -
.PHONY: uninstall
uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion.
$(KUSTOMIZE) build config/crd | kubectl delete --ignore-not-found=$(ignore-not-found) -f -
.PHONY: deploy
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 -
.PHONY: undeploy
undeploy: ## Undeploy controller from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion.
$(KUSTOMIZE) build config/default | kubectl delete --ignore-not-found=$(ignore-not-found) -f -
GOLANGCI_LINT = $(shell pwd)/bin/golangci-lint
.PHONY: golangci-lint
golangci-lint: ## Download golangci-lint locally if necessary.
$(call go-get-tool,$(GOLANGCI_LINT),github.com/golangci/golangci-lint/cmd/[email protected])
CONTROLLER_GEN = $(shell pwd)/bin/controller-gen
.PHONY: controller-gen
controller-gen: ## Download controller-gen locally if necessary.
$(call go-get-tool,$(CONTROLLER_GEN),sigs.k8s.io/controller-tools/cmd/[email protected])
KUSTOMIZE = $(shell pwd)/bin/kustomize
.PHONY: kustomize
kustomize: ## Download kustomize locally if necessary.
$(call go-get-tool,$(KUSTOMIZE),sigs.k8s.io/kustomize/kustomize/[email protected])
ENVTEST = $(shell pwd)/bin/setup-envtest
.PHONY: envtest
envtest: ## Download envtest-setup locally if necessary.
$(call go-get-tool,$(ENVTEST),sigs.k8s.io/controller-runtime/tools/setup-envtest@latest)
# 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 $$TMP_DIR ;\
go mod init tmp ;\
echo "Downloading $(2)" ;\
GOBIN=$(PROJECT_DIR)/bin go get $(2) ;\
GOBIN=$(PROJECT_DIR)/bin go install $(2) ;\
rm -rf $$TMP_DIR ;\
}
endef