Makefile

SHELL := bash
platform := $(shell uname | tr A-Z a-z)

# runs the target list by default
.DEFAULT_GOAL = list

# Insert a comment starting with '##' after a target, and it will be printed by 'make' and 'make list'
list:    ## list Makefile targets
	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}'

### Tools
# Allows flexbility to use other build kits, like nerdctl
BUILD_KIT ?= /usr/local/bin/docker

define get_mod_code_generator
echo "Only go get & mod k8s.io/code-generator, but do not install it"
echo "⚠️  Keep it at the same version as captured in go.mod, otherwise we may end up with version inconsistencies"
awk '/k8s.io\/code-generator/ { system("go get -d " $$1 "@" $$2) }' go.mod
endef
install-tools:
	go mod download
	@echo "Install all tools..."
	@awk -F '"' '/_/ && !/k8s.io\/code-generator/ { system("go install " $$2) }' tools/tools.go
	@$(get_mod_code_generator)
	go install golang.org/x/vuln/cmd/govulncheck@latest

ENVTEST_K8S_VERSION = 1.22.1
ARCHITECTURE = amd64
LOCAL_TESTBIN = $(CURDIR)/testbin

LOCAL_BIN := $(CURDIR)/bin
$(LOCAL_BIN):
	mkdir -p -v $(@)

LOCAL_TMP := $(CURDIR)/tmp
$(LOCAL_TMP):
	mkdir -p -v $(@)

# "Control plane binaries (etcd and kube-apiserver) are loaded by default from /usr/local/kubebuilder/bin.
# This can be overridden by setting the KUBEBUILDER_ASSETS environment variable"
# https://pkg.go.dev/sigs.k8s.io/controller-runtime/pkg/envtest
export KUBEBUILDER_ASSETS = $(LOCAL_TESTBIN)/k8s/$(ENVTEST_K8S_VERSION)-$(platform)-$(ARCHITECTURE)

.PHONY: kubebuilder-assets
kubebuilder-assets: $(KUBEBUILDER_ASSETS)

$(KUBEBUILDER_ASSETS):
	setup-envtest --os $(platform) --arch $(ARCHITECTURE) --bin-dir $(LOCAL_TESTBIN) use $(ENVTEST_K8S_VERSION)

### Targets

.PHONY: unit-tests
unit-tests: install-tools $(KUBEBUILDER_ASSETS) generate fmt vet vuln manifests ## Run unit tests
	ginkgo -r --randomize-all api/ internal/ rabbitmqclient/

.PHONY: integration-tests
integration-tests: install-tools $(KUBEBUILDER_ASSETS) generate fmt vet vuln manifests ## Run integration tests
	ginkgo -r --randomize-all controllers/

just-integration-tests: $(KUBEBUILDER_ASSETS) vet
	ginkgo --randomize-all -r controllers/

local-tests: unit-tests integration-tests ## Run all local tests (unit & integration)

system-tests: ## run end-to-end tests against Kubernetes cluster defined in ~/.kube/config. Expects cluster operator and messaging topology operator to be installed in the cluster
	NAMESPACE="rabbitmq-system" ginkgo --randomize-all -r system_tests/

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

# Run against the configured Kubernetes cluster in ~/.kube/config
#
# Since this runs outside a cluster and there's a requirement on cluster-level service
# communication, the connection between them needs to be accounted for.
# https://github.com/telepresenceio/telepresence is one way to do this (just run
# `telepresence connect` and services like `test-service.test-namespace.svc.cluster.local`
# will resolve properly).
run: generate fmt vet vuln manifests just-run

just-run: ## Just runs 'go run main.go' without regenerating any manifests or deploying RBACs
	KUBE_CONFIG=${HOME}/.kube/config OPERATOR_NAMESPACE=rabbitmq-system ENABLE_WEBHOOKS=false go run ./main.go

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

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

deploy-manager: cmctl
	$(CMCTL) check api --wait=2m
	kustomize build config/default/overlays/cert-manager/ | kubectl apply -f -

deploy: manifests deploy-rbac deploy-manager

destroy:
	kustomize build config/rbac | kubectl delete --ignore-not-found=true -f -
	kustomize build config/default/base | kubectl delete --ignore-not-found=true -f -

# Deploy operator with local changes
deploy-dev: check-env-docker-credentials cmctl docker-build-dev manifests deploy-rbac docker-registry-secret set-operator-image-repo
	$(CMCTL) check api --wait=2m
	kustomize build config/default/overlays/dev | sed 's@((operator_docker_image))@"$(DOCKER_REGISTRY_SERVER)/$(OPERATOR_IMAGE):$(GIT_COMMIT)"@' | kubectl apply -f -

# Load operator image and deploy operator into current KinD cluster
deploy-kind: manifests cmctl deploy-rbac
	$(BUILD_KIT) buildx build --build-arg=GIT_COMMIT=$(GIT_COMMIT) -t $(DOCKER_REGISTRY_SERVER)/$(OPERATOR_IMAGE):$(GIT_COMMIT) .
	kind load docker-image $(DOCKER_REGISTRY_SERVER)/$(OPERATOR_IMAGE):$(GIT_COMMIT)
	$(CMCTL) check api --wait=2m
	kustomize build config/default/overlays/kind | sed 's@((operator_docker_image))@"$(DOCKER_REGISTRY_SERVER)/$(OPERATOR_IMAGE):$(GIT_COMMIT)"@' | kubectl apply -f -

deploy-rbac:
	kustomize build config/rbac | kubectl apply -f -

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

# Generate API reference documentation
api-reference:
	crd-ref-docs \
		--source-path ./api \
		--config ./docs/api/autogen/config.yaml \
		--templates-dir ./docs/api/autogen/templates \
		--output-path ./docs/api/rabbitmq.com.ref.asciidoc \
		--max-depth 30

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

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

# Run govulncheck
vuln:
	govulncheck ./...

# Generate code & docs
generate: install-tools api-reference
	controller-gen object:headerFile="hack/NOTICE.go.txt" paths="./..."

generate-client-set:
	$(get_mod_code_generator)
	go mod vendor
	./hack/update-codegen.sh

check-env-docker-credentials: check-env-registry-server
ifndef DOCKER_REGISTRY_USERNAME
	$(error DOCKER_REGISTRY_USERNAME is undefined: Username for accessing the docker registry)
endif
ifndef DOCKER_REGISTRY_PASSWORD
	$(error DOCKER_REGISTRY_PASSWORD is undefined: Password for accessing the docker registry)
endif
ifndef DOCKER_REGISTRY_SECRET
	$(error DOCKER_REGISTRY_SECRET is undefined: Name of Kubernetes secret in which to store the Docker registry username and password)
endif

docker-build-dev: check-env-docker-repo  git-commit-sha
	$(BUILD_KIT) buildx build --build-arg=GIT_COMMIT=$(GIT_COMMIT) -t $(DOCKER_REGISTRY_SERVER)/$(OPERATOR_IMAGE):$(GIT_COMMIT) .
	$(BUILD_KIT) push $(DOCKER_REGISTRY_SERVER)/$(OPERATOR_IMAGE):$(GIT_COMMIT)

docker-registry-secret: check-env-docker-credentials operator-namespace
	echo "creating registry secret and patching default service account"
	@kubectl -n $(K8S_OPERATOR_NAMESPACE) create secret docker-registry $(DOCKER_REGISTRY_SECRET) --docker-server='$(DOCKER_REGISTRY_SERVER)' --docker-username="$$DOCKER_REGISTRY_USERNAME" --docker-password="$$DOCKER_REGISTRY_PASSWORD" || true
	@kubectl -n $(K8S_OPERATOR_NAMESPACE) patch serviceaccount messaging-topology-operator -p '{"imagePullSecrets": [{"name": "$(DOCKER_REGISTRY_SECRET)"}]}'

git-commit-sha:
ifeq ("", git diff --stat)
GIT_COMMIT=$(shell git rev-parse --short HEAD)
else
GIT_COMMIT=$(shell git rev-parse --short HEAD)-
endif

check-env-registry-server:
ifndef DOCKER_REGISTRY_SERVER
	$(error DOCKER_REGISTRY_SERVER is undefined: URL of docker registry containing the Operator image (e.g. registry.my-company.com))
endif

check-env-docker-repo: check-env-registry-server set-operator-image-repo

set-operator-image-repo:
OPERATOR_IMAGE?=p-rabbitmq-for-kubernetes/messaging-topology-operator

operator-namespace:
ifeq (, $(K8S_OPERATOR_NAMESPACE))
K8S_OPERATOR_NAMESPACE=rabbitmq-system
endif

cluster-operator:
	@kubectl apply -f https://github.com/rabbitmq/cluster-operator/releases/latest/download/cluster-operator.yml

destroy-cluster-operator:
	@kubectl delete -f https://github.com/rabbitmq/cluster-operator/releases/latest/download/cluster-operator.yml --ignore-not-found

## used in CI pipeline to create release artifact
generate-manifests:
	mkdir -p releases
	kustomize build config/installation/  > releases/messaging-topology-operator.bak
	sed '/CERTIFICATE_NAMESPACE.*CERTIFICATE_NAME/d' releases/messaging-topology-operator.bak > releases/messaging-topology-operator.yaml
	kustomize build config/installation/cert-manager/ > releases/messaging-topology-operator-with-certmanager.yaml

################
# Cert Manager #
################

CERT_MANAGER_VERSION ?= v1.7.0
CERT_MANAGER_MANIFEST ?= https://github.com/jetstack/cert-manager/releases/download/$(CERT_MANAGER_VERSION)/cert-manager.yaml

CMCTL = $(LOCAL_BIN)/cmctl
.PHONY: cmctl
cmctl: | $(CMCTL)
$(CMCTL): | $(LOCAL_BIN) $(LOCAL_TMP)
	curl -sSL -o $(LOCAL_TMP)/cmctl.tar.gz https://github.com/cert-manager/cert-manager/releases/download/$(CERT_MANAGER_VERSION)/cmctl-$(platform)-$(shell go env GOARCH).tar.gz
	tar -C $(LOCAL_TMP) -xzf $(LOCAL_TMP)/cmctl.tar.gz
	mv $(LOCAL_TMP)/cmctl $(CMCTL)

cert-manager: ## Deploys Cert Manager from JetStack repo. Use CERT_MANAGER_VERSION to customise version e.g. v1.2.0
	kubectl apply -f https://github.com/jetstack/cert-manager/releases/download/$(CERT_MANAGER_VERSION)/cert-manager.yaml

destroy-cert-manager: ## Deletes Cert Manager deployment created by 'make cert-manager'
	kubectl delete -f https://github.com/jetstack/cert-manager/releases/download/$(CERT_MANAGER_VERSION)/cert-manager.yaml