Makefile

SHELL := /bin/bash

# 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

ifeq ($(shell uname),Darwin)
SED_COMMAND=sed -i '' -n '/rules/,$$p'
else
SED_COMMAND=sed -i -n '/rules/,$$p'
endif

generate: generate-controller generate-groups rbacs manifests fmt

#generate helm documentation
docs: helm-docs
	$(HELM_DOCS) -t deployments/liqo/README.gotmpl -i deployments/liqo/.helmdocsignore -c deployments/liqo

#run all tests
test: unit e2e

# Check if test image exists
test-container:
	docker build -t liqo-test -f build/liqo-test/Dockerfile .

# Run unit tests
# Run with: make unit PACKAGE_PATH="package path" , to run tests on a single package.
unit: test-container
	docker run --privileged=true --mount type=bind,src=$(shell pwd),dst=/go/src/liqo -w /go/src/liqo --rm liqo-test ${PACKAGE_PATH};

BINDIR?=.
TARGET?=kind
CGO_ENABLED?=0
ctl:
	$(eval GIT_COMMIT=$(shell git rev-parse HEAD 2>/dev/null || echo "unknown"))
	go build -o ${BINDIR} -buildvcs=false -ldflags="-s -w -X 'github.com/liqotech/liqo/pkg/liqoctl/version.LiqoctlVersion=$(GIT_COMMIT)'" ./cmd/liqoctl

# Install LIQO into a cluster
install: manifests ctl
	$(BINDIR)/liqoctl install $(TARGET) --generate-name

# Uninstall LIQO from a cluster
uninstall: manifests ctl
	$(BINDIR)/liqoctl uninstall

# Uninstall LIQO from a cluster with purge flag
purge: manifests ctl
	$(BINDIR)/liqoctl uninstall --purge

# Generate manifests e.g. CRD, RBAC etc.
manifests: controller-gen
	rm -f deployments/liqo/crds/*
	$(CONTROLLER_GEN) paths="./apis/..." crd:generateEmbeddedObjectMeta=true output:crd:artifacts:config=deployments/liqo/charts/liqo-crds/crds

#Generate RBAC for each controller
rbacs: controller-gen
	rm -f deployments/liqo/files/*
	$(CONTROLLER_GEN) paths="./internal/crdReplicator" rbac:roleName=liqo-crd-replicator output:rbac:stdout | awk -v RS="---\n" 'NR>1{f="./deployments/liqo/files/liqo-crd-replicator-" $$4 ".yaml";printf "%s",$$0 > f; close(f)}' && $(SED_COMMAND) deployments/liqo/files/liqo-crd-replicator-ClusterRole.yaml deployments/liqo/files/liqo-crd-replicator-Role.yaml
	$(CONTROLLER_GEN) paths="./pkg/peering-roles/controlplane" rbac:roleName=liqo-remote-controlplane output:rbac:stdout | awk -v RS="---\n" 'NR>1{f="./deployments/liqo/files/liqo-remote-controlplane-" $$4 ".yaml";printf "%s",$$0 > f; close(f)}' && $(SED_COMMAND) deployments/liqo/files/liqo-remote-controlplane-ClusterRole.yaml
	$(CONTROLLER_GEN) paths="./pkg/liqo-controller-manager/..." rbac:roleName=liqo-controller-manager output:rbac:stdout | awk -v RS="---\n" 'NR>1{f="./deployments/liqo/files/liqo-controller-manager-" $$4 ".yaml";printf "%s",$$0 > f; close(f)}' && $(SED_COMMAND) deployments/liqo/files/liqo-controller-manager-ClusterRole.yaml
	$(CONTROLLER_GEN) paths="./pkg/webhooks/..." rbac:roleName=liqo-webhook output:rbac:stdout | awk -v RS="---\n" 'NR>1{f="./deployments/liqo/files/liqo-webhook-" $$4 ".yaml";printf "%s",$$0 > f; close(f)}' && $(SED_COMMAND) deployments/liqo/files/liqo-webhook-ClusterRole.yaml
	$(CONTROLLER_GEN) paths="./pkg/virtualKubelet/roles/local" rbac:roleName=liqo-virtual-kubelet-local output:rbac:stdout | awk -v RS="---\n" 'NR>1{f="./deployments/liqo/files/liqo-virtual-kubelet-local-" $$4 ".yaml";printf "%s",$$0 > f; close(f)}' && $(SED_COMMAND) deployments/liqo/files/liqo-virtual-kubelet-local-ClusterRole.yaml
	$(CONTROLLER_GEN) paths="./pkg/virtualKubelet/roles/remote" rbac:roleName=liqo-virtual-kubelet-remote output:rbac:stdout | awk -v RS="---\n" 'NR>1{f="./deployments/liqo/files/liqo-virtual-kubelet-remote-" $$4 ".yaml";printf "%s",$$0 > f; close(f)}' && $(SED_COMMAND) deployments/liqo/files/liqo-virtual-kubelet-remote-ClusterRole.yaml
	$(CONTROLLER_GEN) paths="./pkg/virtualKubelet/roles/remoteclusterwide" rbac:roleName=liqo-virtual-kubelet-remote-clusterwide output:rbac:stdout | awk -v RS="---\n" 'NR>1{f="./deployments/liqo/files/liqo-virtual-kubelet-remote-clusterwide-" $$4 ".yaml";printf "%s",$$0 > f; close(f)}' && $(SED_COMMAND) deployments/liqo/files/liqo-virtual-kubelet-remote-clusterwide-ClusterRole.yaml
	$(CONTROLLER_GEN) paths="./cmd/uninstaller" rbac:roleName=liqo-pre-delete output:rbac:stdout | awk -v RS="---\n" 'NR>1{f="./deployments/liqo/files/liqo-pre-delete-" $$4 ".yaml";printf "%s",$$0 > f; close(f)}' && $(SED_COMMAND) deployments/liqo/files/liqo-pre-delete-ClusterRole.yaml
	$(CONTROLLER_GEN) paths="./cmd/metric-agent" rbac:roleName=liqo-metric-agent output:rbac:stdout | awk -v RS="---\n" 'NR>1{f="./deployments/liqo/files/liqo-metric-agent-" $$4 ".yaml";printf "%s",$$0 > f; close(f)}' && $(SED_COMMAND) deployments/liqo/files/liqo-metric-agent-ClusterRole.yaml
	$(CONTROLLER_GEN) paths="./cmd/telemetry" rbac:roleName=liqo-telemetry output:rbac:stdout | awk -v RS="---\n" 'NR>1{f="./deployments/liqo/files/liqo-telemetry-" $$4 ".yaml";printf "%s",$$0 > f; close(f)}' && $(SED_COMMAND) deployments/liqo/files/liqo-telemetry-ClusterRole.yaml
	$(CONTROLLER_GEN) paths="{./pkg/gateway/...,./cmd/gateway/...,./pkg/firewall/...,./pkg/route/...}" rbac:roleName=liqo-gateway output:rbac:stdout | awk -v RS="---\n" 'NR>1{f="./deployments/liqo/files/liqo-gateway-" $$4 ".yaml";printf "%s",$$0 > f; close(f)}' && $(SED_COMMAND) deployments/liqo/files/liqo-gateway-ClusterRole.yaml
	$(CONTROLLER_GEN) paths="{./cmd/fabric/...,./pkg/firewall/...,./pkg/route/...,./pkg/fabric/...}" rbac:roleName=liqo-fabric output:rbac:stdout | awk -v RS="---\n" 'NR>1{f="./deployments/liqo/files/liqo-fabric-" $$4 ".yaml";printf "%s",$$0 > f; close(f)}' && $(SED_COMMAND) deployments/liqo/files/liqo-fabric-ClusterRole.yaml
	$(CONTROLLER_GEN) paths="{./cmd/ipam/...,./pkg/ipam/...}" rbac:roleName=liqo-ipam output:rbac:stdout | awk -v RS="---\n" 'NR>1{f="./deployments/liqo/files/liqo-ipam-" $$4 ".yaml";printf "%s",$$0 > f; close(f)}' && $(SED_COMMAND) deployments/liqo/files/liqo-ipam-ClusterRole.yaml

# Install gci if not available
gci:
ifeq (, $(shell which gci))
	@go install github.com/daixiang0/gci@v0.13.4
GCI=$(GOBIN)/gci
else
GCI=$(shell which gci)
endif

# Install addlicense if not available
addlicense:
ifeq (, $(shell which addlicense))
	@go install github.com/google/addlicense@v1.0.0
ADDLICENSE=$(GOBIN)/addlicense
else
ADDLICENSE=$(shell which addlicense)
endif

# Run go fmt against code
fmt: gci addlicense docs
	go mod tidy
	go fmt ./...
	find . -type f -name '*.go' -a ! -name '*zz_generated*' -exec $(GCI) write -s standard -s default -s "prefix(github.com/liqotech/liqo)" {} \;
	find . -type f -name '*.go' -exec $(ADDLICENSE) -l apache -c "The Liqo Authors" -y "2019-$(shell date +%Y)" {} \;

# Install golangci-lint if not available
golangci-lint:
ifeq (, $(shell which golangci-lint))
	@go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.60.3
GOLANGCILINT=$(GOBIN)/golangci-lint
else
GOLANGCILINT=$(shell which golangci-lint)
endif

# pre-commit install the pre-commit hook
pre-commit:
	pip3 install pre-commit
	pre-commit install

markdownlint:
ifeq (, $(shell which markdownlint))
	@echo "markdownlint is not installed. Please install it: https://github.com/igorshubovych/markdownlint-cli#installation"
	@exit 1
else
MARKDOWNLINT=$(shell which markdownlint)
endif

md-lint: markdownlint
	@find . -type f -name '*.md' -a -not -path "./.github/*" \
		-not -path "./docs/_legacy/*" \
		-not -path "./deployments/*" \
		-not -path "./hack/code-generator/*" \
		-exec $(MARKDOWNLINT) {} +

lint: golangci-lint
	$(GOLANGCILINT) run --new

# Install nilaway if not available
nilaway:
ifeq (, $(shell which nilaway))
	@go install go.uber.org/nilaway/cmd/nilaway@latest
NILAWAY=$(GOBIN)/nilaway
else
NILAWAY=$(shell which nilaway)
endif

# Run static check anaylisis tools.
# - nilaway: static analysis tool to detect potential Nil panics in Go code
staticcheck: nilaway
	$(NILAWAY) -include-pkgs github.com/liqotech/liqo ./...

generate-controller: controller-gen
	$(CONTROLLER_GEN) object:headerFile="hack/boilerplate.go.txt" paths="./apis/..."

generate-groups:
	if [ ! -d  "hack/code-generator" ]; then \
		git clone --depth 1 -b v0.31.1 https://github.com/kubernetes/code-generator.git hack/code-generator; \
	fi
	rm -rf pkg/client
	mkdir -p pkg/client/informers pkg/client/listers pkg/client/clientset
	source "./hack/code-generator/kube_codegen.sh" && kube::codegen::gen_client \
	    --output-dir "./pkg/client" \
	    --output-pkg "github.com/liqotech/liqo/pkg/client" \
	    --with-watch \
	    --boilerplate "./hack/boilerplate.go.txt" \
	    ${PWD}/apis 

# Generate gRPC files
grpc: protoc
	$(PROTOC) --go_out=. --go_opt=paths=source_relative --go-grpc_out=. --go-grpc_opt=paths=source_relative pkg/ipam/ipam.proto

protoc:
ifeq (, $(shell which protoc))
	@{ \
	PB_REL="https://github.com/protocolbuffers/protobuf/releases" ;\
	version=28.3 ;\
	arch=x86_64 ;\
	curl -LO $${PB_REL}/download/v$${version}/protoc-$${version}-linux-$${arch}.zip ;\
	unzip protoc-$${version}-linux-$${arch}.zip -d $${HOME}/.local ;\
	rm protoc-$${version}-linux-$${arch}.zip ;\
	go install google.golang.org/protobuf/cmd/protoc-gen-go@latest ;\
	go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest ;\
	}
endif
PROTOC=$(shell which protoc)

# find or download controller-gen
# download controller-gen if necessary
controller-gen:
ifeq (, $(shell which controller-gen))
	@go install sigs.k8s.io/controller-tools/cmd/controller-gen@v0.16.3
CONTROLLER_GEN=$(GOBIN)/controller-gen
else
CONTROLLER_GEN=$(shell which controller-gen)
endif

helm-docs:
ifeq (, $(shell which helm-docs))
	@{ \
	set -e ;\
	HELM_DOCS_TMP_DIR=$$(mktemp -d) ;\
	cd $$HELM_DOCS_TMP_DIR ;\
	version=1.11.0 ;\
    arch=x86_64 ;\
    echo  $$HELM_DOCS_PATH ;\
    echo https://github.com/norwoodj/helm-docs/releases/download/v$${version}/helm-docs_$${version}_linux_$${arch}.tar.gz ;\
    curl -LO https://github.com/norwoodj/helm-docs/releases/download/v$${version}/helm-docs_$${version}_linux_$${arch}.tar.gz ;\
    tar -zxvf helm-docs_$${version}_linux_$${arch}.tar.gz ;\
    mv helm-docs $(GOBIN)/helm-docs ;\
	rm -rf $$HELM_DOCS_TMP_DIR ;\
	}
HELM_DOCS=$(GOBIN)/helm-docs
else
HELM_DOCS=$(shell which helm-docs)
endif

# Set the steps for the e2e tests
E2E_TARGETS = e2e-dir \
	ctl \
	e2e-infra \
	installer/kyverno/install \
	installer/liqoctl/setup \
	telemetry \
	installer/liqoctl/peer \
	e2e/postinstall \
	e2e/cruise \
	metrics \
	installer/liqoctl/unpeer \
	installer/liqoctl/uninstall \
	e2e/postuninstall

# Export these variables before to run the e2e tests

# export CLUSTER_NUMBER=2
# export K8S_VERSION=v1.29.2
# export INFRA=kind
# export CNI=kindnet
# export TMPDIR=$(mktemp -d)
# export BINDIR=${TMPDIR}/bin
# export KUBECTL=${BINDIR}/kubectl
# export LIQOCTL=${BINDIR}/liqoctl
# export HELM=${BINDIR}/helm
# export KUBECONFIGDIR=${TMPDIR}/kubeconfigs
# export TEMPLATE_DIR=${PWD}/test/e2e/pipeline/infra/kind
# export NAMESPACE=liqo
# export LIQO_VERSION=cf55ff100e9d183d483693d63391446dce6cfdcc
# export POD_CIDR_OVERLAPPING=false
# export TEMPLATE_FILE=cluster-templates.yaml.tmpl

# Run e2e tests
e2e: $(E2E_TARGETS)

e2e-dir:
	mkdir -p "${BINDIR}"

e2e-infra:
	${PWD}/test/e2e/pipeline/infra/${INFRA}/pre-requirements.sh
	${PWD}/test/e2e/pipeline/infra/${INFRA}/clean.sh
	${PWD}/test/e2e/pipeline/infra/${INFRA}/setup.sh

installer/%:
	${PWD}/test/e2e/pipeline/$@.sh

telemetry:
	${PWD}/test/e2e/pipeline/telemetry/telemetry.sh

metrics:
	chmod +x ${PWD}/test/e2e/pipeline/metrics/metrics.sh
	${PWD}/test/e2e/pipeline/metrics/metrics.sh

e2e/%:
	go test ${PWD}/test/$@/... -count=1 -timeout=30m -p=1