.PHONY: all test templates yamls
.FORCE:

GO_CMD ?= go
GO_FMT ?= gofmt

IMAGE_BUILD_CMD ?= docker build
IMAGE_BUILD_EXTRA_OPTS ?=
IMAGE_PUSH_CMD ?= docker push
CONTAINER_RUN_CMD ?= docker run

# Docker base command for working with html documentation.
# Use host networking because 'jekyll serve' is stupid enough to use the
# same site url than the "host" it binds to. Thus, all the links will be
# broken if we'd bind to 0.0.0.0
JEKYLL_VERSION := 3.8
JEKYLL_ENV ?= development
SITE_BUILD_CMD := $(CONTAINER_RUN_CMD) --rm -i -u "`id -u`:`id -g`" \
	-e JEKYLL_ENV=$(JEKYLL_ENV) \
	--volume="$$PWD/docs:/srv/jekyll" \
	--volume="$$PWD/docs/vendor/bundle:/usr/local/bundle" \
	--network=host jekyll/jekyll:$(JEKYLL_VERSION)
SITE_BASEURL ?=
SITE_DESTDIR ?= _site
JEKYLL_OPTS := -d '$(SITE_DESTDIR)' $(if $(SITE_BASEURL),-b '$(SITE_BASEURL)',)

VERSION := $(shell git describe --tags --dirty --always)

IMAGE_REGISTRY ?= k8s.gcr.io/nfd
IMAGE_TAG_NAME ?= $(VERSION)
IMAGE_EXTRA_TAG_NAMES ?=

IMAGE_NAME := node-feature-discovery
IMAGE_REPO := $(IMAGE_REGISTRY)/$(IMAGE_NAME)
IMAGE_TAG := $(IMAGE_REPO):$(IMAGE_TAG_NAME)
IMAGE_EXTRA_TAGS := $(foreach tag,$(IMAGE_EXTRA_TAG_NAMES),$(IMAGE_REPO):$(tag))

K8S_NAMESPACE ?= node-feature-discovery

# We use different mount prefix for local and container builds.
# Take CONTAINER_HOSTMOUNT_PREFIX from HOSTMOUNT_PREFIX if only the latter is specified
ifdef HOSTMOUNT_PREFIX
    CONTAINER_HOSTMOUNT_PREFIX := $(HOSTMOUNT_PREFIX)
else
    CONTAINER_HOSTMOUNT_PREFIX := /host-
endif
HOSTMOUNT_PREFIX ?= /

KUBECONFIG ?=
E2E_TEST_CONFIG ?=

LDFLAGS = -ldflags "-s -w -X sigs.k8s.io/node-feature-discovery/pkg/version.version=$(VERSION) -X sigs.k8s.io/node-feature-discovery/source.pathPrefix=$(HOSTMOUNT_PREFIX)"

yaml_templates := $(wildcard *.yaml.template)
yaml_instances := $(patsubst %.yaml.template,%.yaml,$(yaml_templates))

all: image

build:
	@mkdir -p bin
	$(GO_CMD) build -v -o bin $(LDFLAGS) ./cmd/...

install:
	$(GO_CMD) install -v $(LDFLAGS) ./cmd/...

image: yamls
	$(IMAGE_BUILD_CMD) --build-arg VERSION=$(VERSION) \
		--build-arg HOSTMOUNT_PREFIX=$(CONTAINER_HOSTMOUNT_PREFIX) \
		-t $(IMAGE_TAG) \
		$(foreach tag,$(IMAGE_EXTRA_TAGS),-t $(tag)) \
		$(IMAGE_BUILD_EXTRA_OPTS) ./

yamls: $(yaml_instances)

%.yaml: %.yaml.template .FORCE
	@echo "$@: namespace: ${K8S_NAMESPACE}"
	@echo "$@: image: ${IMAGE_TAG}"
	@sed -E \
	     -e s',^(\s*)name: node-feature-discovery # NFD namespace,\1name: ${K8S_NAMESPACE},' \
	     -e s',^(\s*)image:.+$$,\1image: ${IMAGE_TAG},' \
	     -e s',^(\s*)namespace:.+$$,\1namespace: ${K8S_NAMESPACE},' \
	     -e s',^(\s*)mountPath: "/host-,\1mountPath: "${CONTAINER_HOSTMOUNT_PREFIX},' \
	     -e '/nfd-worker.conf:/r nfd-worker.conf.tmp' \
	     $< > $@

templates: $(yaml_templates)
	@# Need to prepend each line in the sample config with spaces in order to
	@# fit correctly in the configmap spec.
	@sed s'/^/    /' nfd-worker.conf.example > nfd-worker.conf.tmp
	@# The quick-n-dirty sed below expects the configmap data to be at the very end of the file
	@for f in $+; do sed -e '/nfd-worker\.conf/r nfd-worker.conf.tmp' -e '/nfd-worker\.conf/q' -i $$f; done
	@rm nfd-worker.conf.tmp

mock:
	mockery --name=FeatureSource --dir=source --inpkg --note="Re-generate by running 'make mock'"
	mockery --name=APIHelpers --dir=pkg/apihelper --inpkg --note="Re-generate by running 'make mock'"
	mockery --name=LabelerClient --dir=pkg/labeler --inpkg --note="Re-generate by running 'make mock'"

gofmt:
	@$(GO_FMT) -w -l $$(find . -name '*.go')

gofmt-verify:
	@out=`$(GO_FMT) -l -d $$(find . -name '*.go')`; \
	if [ -n "$$out" ]; then \
	    echo "$$out"; \
	    exit 1; \
	fi

ci-lint:
	golangci-lint run --timeout 5m0s

test:
	$(GO_CMD) test ./cmd/... ./pkg/...

e2e-test:
	$(GO_CMD) test -v ./test/e2e/ -args -nfd.repo=$(IMAGE_REPO) -nfd.tag=$(IMAGE_TAG_NAME) -kubeconfig=$(KUBECONFIG) -nfd.e2e-config=$(E2E_TEST_CONFIG) -ginkgo.focus="\[NFD\]"

push:
	$(IMAGE_PUSH_CMD) $(IMAGE_TAG)
	for tag in $(IMAGE_EXTRA_TAGS); do $(IMAGE_PUSH_CMD) $$tag; done

poll-image:
	set -e; \
	image=$(IMAGE_REPO):$(IMAGE_TAG_NAME); \
	base_url=`echo $(IMAGE_REPO) | sed -e s'!\([^/]*\)!\1/v2!'`; \
	errors=`curl -fsS -X GET https://$$base_url/manifests/$(IMAGE_TAG_NAME)|jq .errors`;  \
	if [ "$$errors" = "null" ]; then \
	  echo Image $$image found; \
	else \
	  echo Image $$image not found; \
	  exit 1; \
	fi;

site-build:
	@mkdir -p docs/vendor/bundle
	$(SITE_BUILD_CMD) sh -c "bundle install && jekyll build $(JEKYLL_OPTS)"

site-serve:
	@mkdir -p docs/vendor/bundle
	$(SITE_BUILD_CMD) sh -c "bundle install && jekyll serve $(JEKYLL_OPTS) -H 127.0.0.1"