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Makefile
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Makefile
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#
# Copyright (c) 2017 Intel Corporation
#
# SPDX-License-Identifier: Apache-2.0
#
MK_DIR := $(shell dirname $(realpath $(lastword $(MAKEFILE_LIST))))
TEST_RUNNER := $(MK_DIR)/tests/test_images.sh
ROOTFS_BUILDER := $(MK_DIR)/rootfs-builder/rootfs.sh
INITRD_BUILDER := $(MK_DIR)/initrd-builder/initrd_builder.sh
IMAGE_BUILDER := $(MK_DIR)/image-builder/image_builder.sh
DISTRO := centos
BUILD_METHOD := distro
BUILD_METHOD_LIST := distro dracut
AGENT_INIT ?= no
ROOTFS_BUILD_DEST := $(shell pwd)
IMAGES_BUILD_DEST := $(shell pwd)
ROOTFS_MARKER_SUFFIX := _rootfs.done
TARGET_ROOTFS := $(ROOTFS_BUILD_DEST)/$(DISTRO)_rootfs
TARGET_ROOTFS_MARKER := $(ROOTFS_BUILD_DEST)/.$(DISTRO)$(ROOTFS_MARKER_SUFFIX)
TARGET_IMAGE := $(IMAGES_BUILD_DEST)/kata-containers.img
TARGET_INITRD := $(IMAGES_BUILD_DEST)/kata-containers-initrd.img
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))
ifeq ($(filter $(BUILD_METHOD),$(BUILD_METHOD_LIST)),)
$(error Invalid BUILD_METHOD value '$(BUILD_METHOD)'. Supported values: $(BUILD_METHOD_LIST))
endif
ifeq (dracut,$(BUILD_METHOD))
DISTRO :=
TARGET_ROOTFS := dracut_rootfs
TARGET_ROOTFS_MARKER := $(ROOTFS_BUILD_DEST)/.dracut$(ROOTFS_MARKER_SUFFIX)
# dracut specific variables
DRACUT_KVERSION :=
DRACUT_OVERLAY_DIR := $(MK_DIR)/dracut_overlay
DRACUT_DIR := $(MK_DIR)/dracut
DRACUT_CONF_DIR := $(DRACUT_DIR)/dracut.conf.d
DRACUT_OPTIONS := --no-compress --conf /dev/null --confdir $(DRACUT_CONF_DIR)
ifneq (,$(DRACUT_KVERSION))
# Explicitly use bash, which is what dracut uses to process conf files
DRACUT_KMODULES := $(shell bash -c 'source $(DRACUT_CONF_DIR)/10-drivers.conf; echo "$$drivers"')
else
# If a kernel version is not specified, do not make systemd load modules
# at startup
DRACUT_OPTIONS += --no-kernel
endif
ifeq (,$(DRACUT_OVERLAY_DIR))
$(error DRACUT_OVERLAY_DIR cannot be empty)
endif
endif
# Set the variable to silent logs using chronic
OSBUILDER_USE_CHRONIC :=
# silent_run allows running make recipes using the chronic wrapper, so logs are
# muted if the recipe command succeeds.
# Arguments:
# - Message
# - Command to run
ifeq (,$(OSBUILDER_USE_CHRONIC))
define silent_run
@echo $(1)
$(2)
endef
else
define silent_run
@echo $(1) with command: $(2)
@chronic $(2)
endef
endif
################################################################################
rootfs-%: $(ROOTFS_BUILD_DEST)/.%$(ROOTFS_MARKER_SUFFIX)
@ # DONT remove. This is not cancellation rule.
.PRECIOUS: $(ROOTFS_BUILD_DEST)/.%$(ROOTFS_MARKER_SUFFIX)
$(ROOTFS_BUILD_DEST)/.%$(ROOTFS_MARKER_SUFFIX):: rootfs-builder/%
$(call silent_run,Creating rootfs for "$*",$(ROOTFS_BUILDER) -o $(VERSION_COMMIT) -r $(ROOTFS_BUILD_DEST)/$*_rootfs $*)
@touch $@
# To generate a dracut rootfs, we first generate a dracut initrd and then
# extract it in a local folder.
# Notes:
# - assuming a not compressed initrd.
.PRECIOUS: $(ROOTFS_BUILD_DEST)/.dracut$(ROOTFS_MARKER_SUFFIX)
$(ROOTFS_BUILD_DEST)/.dracut$(ROOTFS_MARKER_SUFFIX): $(TARGET_INITRD)
mkdir -p $(TARGET_ROOTFS)
(cd $(TARGET_ROOTFS); cat $< | cpio --extract --preserve-modification-time --make-directories)
@touch $@
image-%: $(IMAGES_BUILD_DEST)/kata-containers-image-%.img
@ # DONT remove. This is not cancellation rule.
.PRECIOUS: $(IMAGES_BUILD_DEST)/kata-containers-image-%.img
$(IMAGES_BUILD_DEST)/kata-containers-image-%.img: rootfs-%
$(call silent_run,Creating image based on $^,$(IMAGE_BUILDER) -o $@ $(ROOTFS_BUILD_DEST)/$*_rootfs)
initrd-%: $(IMAGES_BUILD_DEST)/kata-containers-initrd-%.img
@ # DONT remove. This is not cancellation rule.
.PRECIOUS: $(IMAGES_BUILD_DEST)/kata-containers-initrd-%.img
$(IMAGES_BUILD_DEST)/kata-containers-initrd-%.img: rootfs-%
$(call silent_run,Creating initrd image for $*,$(INITRD_BUILDER) -o $@ $(ROOTFS_BUILD_DEST)/$*_rootfs)
.PHONY: all
all: image initrd
.PHONY: rootfs
rootfs: $(TARGET_ROOTFS_MARKER)
.PHONY: image
image: $(TARGET_IMAGE)
$(TARGET_IMAGE): $(TARGET_ROOTFS_MARKER)
$(call silent_run,Creating image based on "$(TARGET_ROOTFS)",$(IMAGE_BUILDER) -o $@ "$(TARGET_ROOTFS)")
.PHONY: initrd
initrd: $(TARGET_INITRD)
ifeq (distro,$(BUILD_METHOD))
$(TARGET_INITRD): $(TARGET_ROOTFS_MARKER)
$(call silent_run,Creating initrd image based on "$(TARGET_ROOTFS)",$(INITRD_BUILDER) "$(TARGET_ROOTFS)")
else
$(TARGET_INITRD): $(DRACUT_OVERLAY_DIR)
@echo Creating initrd image based on the host OS using dracut
dracut $(DRACUT_OPTIONS) --include $< / $@ $(DRACUT_KVERSION)
endif
# Notes on overlay dir:
# - If user specified any kernel module in the dracut conf file,
# we need to make sure these are pre-loaded at startup using
# systemd modules-load.d
$(DRACUT_OVERLAY_DIR):
mkdir -p $@
# Modules preload
$(ROOTFS_BUILDER) -o $(VERSION_COMMIT) -r $@
mkdir -p $@/etc/modules-load.d
echo $(DRACUT_KMODULES) | tr " " "\n" > $@/etc/modules-load.d/kata-modules.conf
.PHONY: test
test:
$(TEST_RUNNER) "$(DISTRO)"
.PHONY: test-image-only
test-image-only:
$(TEST_RUNNER) --test-images-only "$(DISTRO)"
.PHONY: test-initrd-only
test-initrd-only:
$(TEST_RUNNER) --test-initrds-only "$(DISTRO)"
.PHONY: list-distros
list-distros:
@ $(ROOTFS_BUILDER) -l
DESTDIR := /
KATADIR := /usr/libexec/kata-containers
OSBUILDER_DIR := $(KATADIR)/osbuilder
INSTALL_DIR :=$(DESTDIR)/$(OSBUILDER_DIR)
DIST_CONFIGS:= $(wildcard rootfs-builder/*/config.sh)
SCRIPTS :=
SCRIPTS += rootfs-builder/rootfs.sh
SCRIPTS += image-builder/image_builder.sh
SCRIPTS += initrd-builder/initrd_builder.sh
HELPER_FILES :=
HELPER_FILES += rootfs-builder/versions.txt
HELPER_FILES += scripts/lib.sh
HELPER_FILES += image-builder/nsdax.gpl.c
define INSTALL_FILE
echo "Installing $(abspath $2/$1)";
install -m 644 -D $1 $2/$1;
endef
define INSTALL_SCRIPT
echo "Installing $(abspath $2/$1)";
install -m 755 -D $1 $(abspath $2/$1);
endef
.PHONY: install-scripts
install-scripts:
@echo "Installing scripts"
@$(foreach f,$(SCRIPTS),$(call INSTALL_SCRIPT,$f,$(INSTALL_DIR)))
@echo "Installing helper files"
@$(foreach f,$(HELPER_FILES),$(call INSTALL_FILE,$f,$(INSTALL_DIR)))
@echo "Installing installing config files"
@$(foreach f,$(DIST_CONFIGS),$(call INSTALL_FILE,$f,$(INSTALL_DIR)))
.PHONY: clean
clean:
rm -rf $(TARGET_ROOTFS_MARKER) $(TARGET_ROOTFS) $(TARGET_IMAGE) $(TARGET_INITRD) $(DRACUT_OVERLAY_DIR)
# Prints the name of the variable passed as suffix to the print- target,
# E.g., if Makefile contains:
# MY_MAKE_VAR := foobar
# Then:
# $ make printf-MY_MAKE_VAR
# Will print "foobar"
print-%:
@echo $($*)