Makefile

# Copyright (c) 2018 Intel Corporation
#
# SPDX-License-Identifier: Apache-2.0
#

TARGET        = kata-ksm-throttler
PACKAGE_URL   = github.com/kata-containers/ksm-throttler
PACKAGE_NAME  = $(TARGET)
BASE          = $(GOPATH)/src/$(PACKAGE_URL)
PREFIX        = /usr
BIN_DIR       = $(PREFIX)/bin
LIBEXECDIR    = $(PREFIX)/libexec
LOCALSTATEDIR = /var
SOURCES       = $(shell find . 2>&1 | grep -E '.*\.(c|h|go)$$')
KSM_SOCKET    = $(LOCALSTATEDIR)/run/$(TARGET)/ksm.sock
TRIGGER_DIR   = $(GOPATH)/src/$(PACKAGE_URL)/trigger
GO            = go
PKGS          = $(or $(PKG),$(shell cd $(BASE) && env GOPATH=$(GOPATH) $(GO) list ./... | grep -v "/vendor/"))
TARGET_KICKER = $(TRIGGER_DIR)/kicker/kicker
TARGET_VC     = $(TRIGGER_DIR)/virtcontainers/vc

VERSION_FILE := ./VERSION
VERSION := $(shell grep -v ^\# $(VERSION_FILE))
COMMIT_NO := $(shell git rev-parse HEAD 2> /dev/null || true)
COMMIT := $(if $(shell git status --porcelain --untracked-files=no),${COMMIT_NO}-dirty,${COMMIT_NO})
VERSION_COMMIT := $(if $(COMMIT),$(VERSION)-$(COMMIT),$(VERSION))

#
# Pretty printing
#

V	      = @
Q	      = $(V:1=)
QUIET_GEN     = $(Q:@=@echo    '     GEN      '$@;)
QUIET_GOBUILD = $(Q:@=@echo    '     GOBUILD  '$@;)
QUIET_INST    = $(Q:@=@echo    '     INSTALL  '$@;)

#
# Build
#

all: build binaries

build:
	$(QUIET_GOBUILD)go build $(PKGS)

$(TARGET):
	$(QUIET_GOBUILD)go build -o $@ -ldflags \
		"-X main.DefaultURI=$(KSM_SOCKET) -X main.name=$(TARGET) -X main.version=$(VERSION_COMMIT)" throttler.go ksm.go

$(TARGET_KICKER):
	$(QUIET_GOBUILD)go build -o $@  \
		-ldflags "-X main.DefaultURI=$(KSM_SOCKET)" $(wildcard $(TRIGGER_DIR)/kicker/*.go)

$(TARGET_VC):
	$(QUIET_GOBUILD)go build -o $@ \
		-ldflags "-X main.DefaultURI=$(KSM_SOCKET)" $(wildcard $(TRIGGER_DIR)/virtcontainers/*.go)

kicker: $(TARGET_KICKER)

virtcontainers: $(TARGET_VC)

binaries: $(TARGET) kicker virtcontainers

#
# systemd files
#

HAVE_SYSTEMD := $(shell pkg-config --exists systemd 2>/dev/null && echo 'yes')

ifeq ($(HAVE_SYSTEMD),yes)

DEFAULT_SERVICE_FILE := ksm-throttler.service
DEFAULT_SERVICE_FILE_IN := $(DEFAULT_SERVICE_FILE).in
SERVICE_FILE := $(TARGET).service
SERVICE_FILE_IN := $(SERVICE_FILE).in

UNIT_DIR := $(shell pkg-config --variable=systemdsystemunitdir systemd)
UNIT_FILES = $(TARGET).service kata-vc-throttler.service
GENERATED_FILES += $(UNIT_FILES)
endif

unit-files: $(UNIT_FILES)

#
# Tests
#

check: check-go-static check-go-test

check-go-static:
	bash .ci/static-checks.sh

check-go-test:
	bash .ci/go-test.sh

#
# install
#

define INSTALL_EXEC
	$(QUIET_INST)install -D $1 $(DESTDIR)$2/$1 || exit 1;

endef
define INSTALL_FILE
	$(QUIET_INST)install -D -m 644 $1 $(DESTDIR)$2/$1 || exit 1;

endef

all-installable: $(TARGET) virtcontainers $(UNIT_FILES)

install: all-installable
	$(call INSTALL_EXEC,$(TARGET),$(LIBEXECDIR)/$(TARGET))
	$(call INSTALL_EXEC,trigger/virtcontainers/vc,$(LIBEXECDIR)/$(TARGET))
	$(foreach f,$(UNIT_FILES),$(call INSTALL_FILE,$f,$(UNIT_DIR)))

#
# Clean
#

clean:
	rm -f $(TARGET)
	rm -f $(TARGET_KICKER)
	rm -f $(TARGET_VC)
	rm -f $(UNIT_FILES)

$(GENERATED_FILES): %: %.in Makefile
	@mkdir -p `dirname $@`
	$(QUIET_GEN)sed \
		-e 's|[@]bindir[@]|$(BINDIR)|g' \
		-e 's|[@]libexecdir[@]|$(LIBEXECDIR)|' \
		-e "s|[@]localstatedir[@]|$(LOCALSTATEDIR)|" \
		-e "s|[@]TARGET[@]|$(TARGET)|" \
		-e "s|[@]PACKAGE_NAME[@]|$(PACKAGE_NAME)|" \
		-e "s|[@]PACKAGE_URL[@]|$(PACKAGE_URL)|" \
		-e "s|[@]SERVICE_FILE[@]|$(SERVICE_FILE)|" \
		"$<" > "$@"

.PHONY: \
	all \
	all-installable \
	build \
	binaries \
	check \
	check-go-static \
	check-go-test \
	install \
	uninstall \
	unit-files \
	clean