def do_configure_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir,
native_sysroot):
"""
Called before do_prepare_partition(), creates syslinux config
"""
hdddir = "%s/hdd/boot" % cr_workdir
install_cmd = "install -d %s" % hdddir
exec_cmd(install_cmd)
bootloader = creator.ks.bootloader
custom_cfg = None
if bootloader.configfile:
custom_cfg = get_custom_config(bootloader.configfile)
if custom_cfg:
# Use a custom configuration for grub
syslinux_conf = custom_cfg
logger.debug(
"Using custom configuration file %s "
"for syslinux.cfg", bootloader.configfile)
else:
raise WicError("configfile is specified but failed to "
"get it from %s." % bootloader.configfile)
if not custom_cfg:
# Create syslinux configuration using parameters from wks file
splash = os.path.join(cr_workdir, "/hdd/boot/splash.jpg")
if os.path.exists(splash):
splashline = "menu background splash.jpg"
else:
splashline = ""
syslinux_conf = ""
syslinux_conf += "PROMPT 0\n"
syslinux_conf += "TIMEOUT " + str(bootloader.timeout) + "\n"
syslinux_conf += "\n"
syslinux_conf += "ALLOWOPTIONS 1\n"
syslinux_conf += "SERIAL 0 115200\n"
syslinux_conf += "\n"
if splashline:
syslinux_conf += "%s\n" % splashline
syslinux_conf += "DEFAULT boot\n"
syslinux_conf += "LABEL boot\n"
kernel = get_bitbake_var("KERNEL_IMAGE")
initrd = get_bitbake_var("INITRD_IMAGE")
syslinux_conf += "KERNEL " + kernel + "\n"
syslinux_conf += "APPEND label=boot root=%s initrd=%s %s\n" % \
(creator.rootdev, initrd, bootloader.append)
logger.debug("Writing syslinux config %s/hdd/boot/syslinux.cfg",
cr_workdir)
cfg = open("%s/hdd/boot/syslinux.cfg" % cr_workdir, "w")
cfg.write(syslinux_conf)
cfg.close()
def do_configure_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir,
native_sysroot):
"""
Called before do_prepare_partition(), creates syslinux config
"""
hdddir = "%s/hdd/boot" % cr_workdir
install_cmd = "install -d %s" % hdddir
exec_cmd(install_cmd)
bootloader = creator.ks.bootloader
custom_cfg = None
if bootloader.configfile:
custom_cfg = get_custom_config(bootloader.configfile)
if custom_cfg:
# Use a custom configuration for grub
syslinux_conf = custom_cfg
logger.debug("Using custom configuration file %s "
"for syslinux.cfg", bootloader.configfile)
else:
raise WicError("configfile is specified but failed to "
"get it from %s." % bootloader.configfile)
if not custom_cfg:
# Create syslinux configuration using parameters from wks file
splash = os.path.join(cr_workdir, "/hdd/boot/splash.jpg")
if os.path.exists(splash):
splashline = "menu background splash.jpg"
else:
splashline = ""
syslinux_conf = ""
syslinux_conf += "PROMPT 0\n"
syslinux_conf += "TIMEOUT " + str(bootloader.timeout) + "\n"
syslinux_conf += "\n"
syslinux_conf += "ALLOWOPTIONS 1\n"
syslinux_conf += "SERIAL 0 115200\n"
syslinux_conf += "\n"
if splashline:
syslinux_conf += "%s\n" % splashline
syslinux_conf += "DEFAULT boot\n"
syslinux_conf += "LABEL boot\n"
kernel = get_bitbake_var("KERNEL_IMAGE")
initrd = get_bitbake_var("INITRD_IMAGE")
syslinux_conf += "KERNEL " + kernel + "\n"
syslinux_conf += "APPEND label=boot root=%s initrd=%s %s\n" % \
(creator.rootdev, initrd, bootloader.append)
logger.debug("Writing syslinux config %s/hdd/boot/syslinux.cfg",
cr_workdir)
cfg = open("%s/hdd/boot/syslinux.cfg" % cr_workdir, "w")
cfg.write(syslinux_conf)
cfg.close()
def prepare_rootfs(self, cr_workdir, oe_builddir, rootfs_dir,
native_sysroot):
"""
Prepare content for a rootfs partition i.e. create a partition
and fill it from a /rootfs dir.
Currently handles ext2/3/4, btrfs and vfat.
"""
p_prefix = os.environ.get("PSEUDO_PREFIX", "%s/usr" % native_sysroot)
p_localstatedir = os.environ.get("PSEUDO_LOCALSTATEDIR",
"%s/../pseudo" % rootfs_dir)
p_passwd = os.environ.get("PSEUDO_PASSWD", rootfs_dir)
p_nosymlinkexp = os.environ.get("PSEUDO_NOSYMLINKEXP", "1")
pseudo = "export PSEUDO_PREFIX=%s;" % p_prefix
pseudo += "export PSEUDO_LOCALSTATEDIR=%s;" % p_localstatedir
pseudo += "export PSEUDO_PASSWD=%s;" % p_passwd
pseudo += "export PSEUDO_NOSYMLINKEXP=%s;" % p_nosymlinkexp
pseudo += "%s " % get_bitbake_var("FAKEROOTCMD")
rootfs = "%s/rootfs_%s.%s.%s" % (cr_workdir, self.label, self.lineno,
self.fstype)
if os.path.isfile(rootfs):
os.remove(rootfs)
if not self.fstype:
raise WicError("File system for partition %s not specified in "
"kickstart, use --fstype option" % self.mountpoint)
# Get rootfs size from bitbake variable if it's not set in .ks file
if not self.size:
# Bitbake variable ROOTFS_SIZE is calculated in
# Image._get_rootfs_size method from meta/lib/oe/image.py
# using IMAGE_ROOTFS_SIZE, IMAGE_ROOTFS_ALIGNMENT,
# IMAGE_OVERHEAD_FACTOR and IMAGE_ROOTFS_EXTRA_SPACE
rsize_bb = get_bitbake_var('ROOTFS_SIZE')
if rsize_bb:
logger.warning(
'overhead-factor was specified, but size was not,'
' so bitbake variables will be used for the size.'
' In this case both IMAGE_OVERHEAD_FACTOR and '
'--overhead-factor will be applied')
self.size = int(round(float(rsize_bb)))
for prefix in ("ext", "btrfs", "vfat", "squashfs"):
if self.fstype.startswith(prefix):
method = getattr(self, "prepare_rootfs_" + prefix)
method(rootfs, oe_builddir, rootfs_dir, native_sysroot, pseudo)
self.source_file = rootfs
# get the rootfs size in the right units for kickstart (kB)
du_cmd = "du -Lbks %s" % rootfs
out = exec_cmd(du_cmd)
self.size = int(out.split()[0])
break
def prepare_rootfs(self, cr_workdir, oe_builddir, rootfs_dir,
native_sysroot):
"""
Prepare content for a rootfs partition i.e. create a partition
and fill it from a /rootfs dir.
Currently handles ext2/3/4, btrfs and vfat.
"""
p_prefix = os.environ.get("PSEUDO_PREFIX", "%s/usr" % native_sysroot)
p_localstatedir = os.environ.get("PSEUDO_LOCALSTATEDIR",
"%s/../pseudo" % rootfs_dir)
p_passwd = os.environ.get("PSEUDO_PASSWD", rootfs_dir)
p_nosymlinkexp = os.environ.get("PSEUDO_NOSYMLINKEXP", "1")
pseudo = "export PSEUDO_PREFIX=%s;" % p_prefix
pseudo += "export PSEUDO_LOCALSTATEDIR=%s;" % p_localstatedir
pseudo += "export PSEUDO_PASSWD=%s;" % p_passwd
pseudo += "export PSEUDO_NOSYMLINKEXP=%s;" % p_nosymlinkexp
pseudo += "%s " % get_bitbake_var("FAKEROOTCMD")
rootfs = "%s/rootfs_%s.%s.%s" % (cr_workdir, self.label,
self.lineno, self.fstype)
if os.path.isfile(rootfs):
os.remove(rootfs)
if not self.fstype:
raise WicError("File system for partition %s not specified in "
"kickstart, use --fstype option" % self.mountpoint)
# Get rootfs size from bitbake variable if it's not set in .ks file
if not self.size:
# Bitbake variable ROOTFS_SIZE is calculated in
# Image._get_rootfs_size method from meta/lib/oe/image.py
# using IMAGE_ROOTFS_SIZE, IMAGE_ROOTFS_ALIGNMENT,
# IMAGE_OVERHEAD_FACTOR and IMAGE_ROOTFS_EXTRA_SPACE
rsize_bb = get_bitbake_var('ROOTFS_SIZE')
if rsize_bb:
logger.warning('overhead-factor was specified, but size was not,'
' so bitbake variables will be used for the size.'
' In this case both IMAGE_OVERHEAD_FACTOR and '
'--overhead-factor will be applied')
self.size = int(round(float(rsize_bb)))
for prefix in ("ext", "btrfs", "vfat", "squashfs"):
if self.fstype.startswith(prefix):
method = getattr(self, "prepare_rootfs_" + prefix)
method(rootfs, oe_builddir, rootfs_dir, native_sysroot, pseudo)
self.source_file = rootfs
# get the rootfs size in the right units for kickstart (kB)
du_cmd = "du -Lbks %s" % rootfs
out = exec_cmd(du_cmd)
self.size = int(out.split()[0])
break
def _build_initramfs_path(rootfs_dir, cr_workdir):
"""
Create path for initramfs image
"""
initrd = get_bitbake_var("INITRD_LIVE") or get_bitbake_var("INITRD")
if not initrd:
initrd_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
if not initrd_dir:
raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting.")
image_name = get_bitbake_var("IMAGE_BASENAME")
if not image_name:
raise WicError("Couldn't find IMAGE_BASENAME, exiting.")
image_type = get_bitbake_var("INITRAMFS_FSTYPES")
if not image_type:
raise WicError("Couldn't find INITRAMFS_FSTYPES, exiting.")
machine = os.path.basename(initrd_dir)
initrd = glob.glob(
'%s/%s*%s.%s' %
(initrd_dir, image_name, machine, image_type))[0]
if not os.path.exists(initrd):
# Create initrd from rootfs directory
initrd = "%s/initrd.cpio.gz" % cr_workdir
initrd_dir = "%s/INITRD" % cr_workdir
shutil.copytree("%s" % rootfs_dir, \
"%s" % initrd_dir, symlinks=True)
if os.path.isfile("%s/init" % rootfs_dir):
shutil.copy2("%s/init" % rootfs_dir, "%s/init" % initrd_dir)
elif os.path.lexists("%s/init" % rootfs_dir):
os.symlink(os.readlink("%s/init" % rootfs_dir), \
"%s/init" % initrd_dir)
elif os.path.isfile("%s/sbin/init" % rootfs_dir):
shutil.copy2("%s/sbin/init" % rootfs_dir, \
"%s" % initrd_dir)
elif os.path.lexists("%s/sbin/init" % rootfs_dir):
os.symlink(os.readlink("%s/sbin/init" % rootfs_dir), \
"%s/init" % initrd_dir)
else:
raise WicError("Couldn't find or build initrd, exiting.")
exec_cmd("cd %s && find . | cpio -o -H newc -R +0:+0 >./initrd.cpio " \
% initrd_dir, as_shell=True)
exec_cmd("gzip -f -9 -c %s/initrd.cpio > %s" \
% (cr_workdir, initrd), as_shell=True)
shutil.rmtree(initrd_dir)
return initrd
def do_configure_grubefi(cls, creator, cr_workdir):
"""
Create loader-specific (grub-efi) config
"""
configfile = creator.ks.bootloader.configfile
custom_cfg = None
if configfile:
custom_cfg = get_custom_config(configfile)
if custom_cfg:
# Use a custom configuration for grub
grubefi_conf = custom_cfg
logger.debug(
"Using custom configuration file "
"%s for grub.cfg", configfile)
else:
raise WicError("configfile is specified but failed to "
"get it from %s." % configfile)
if not custom_cfg:
# Create grub configuration using parameters from wks file
bootloader = creator.ks.bootloader
grubefi_conf = ""
grubefi_conf += "serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1\n"
grubefi_conf += "default=boot\n"
grubefi_conf += "timeout=%s\n" % bootloader.timeout
grubefi_conf += "set root='hd0,gpt2'\n"
grubefi_conf += "menuentry 'boot'{\n"
kernel_image = get_bitbake_var("KERNEL_IMAGE")
kernel = "/boot/%s" % kernel_image
grubefi_conf += "linux %s root=/dev/sda2 rootwait %s\n" \
% (kernel, bootloader.append)
initrd_image = get_bitbake_var("INITRD_IMAGE")
initrd = "/boot/%s" % initrd_image
grubefi_conf += "initrd %s\n" % initrd
grubefi_conf += "}\n"
logger.debug("Writing grubefi config %s/hdd/boot/EFI/BOOT/grub.cfg",
cr_workdir)
cfg = open("%s/hdd/boot/EFI/BOOT/grub.cfg" % cr_workdir, "w")
cfg.write(grubefi_conf)
cfg.close()
cfg = open("%s/hdd/boot/EFI/BOOT/grub-mkimage.cfg" % cr_workdir, "w")
mkimage_conf = "set root='hd0,gpt1'\n"
mkimage_conf += "set prefix=($root)/EFI/BOOT\n"
cfg.write(mkimage_conf)
cfg.close()
def prepare_rootfs(self, cr_workdir, oe_builddir, rootfs_dir):
"""
Prepare content for a rootfs partition i.e. create a partition
and fill it from a /rootfs dir.
Currently handles ext2/3/4, btrfs and vfat.
"""
rootfs = "%s/rootfs_%s.%s.%s" % (cr_workdir, self.label,
self.lineno, self.fstype)
if os.path.isfile(rootfs):
os.remove(rootfs)
# Get rootfs size from bitbake variable if it's not set in .ks file
if not self.size:
# Bitbake variable ROOTFS_SIZE is calculated in
# Image._get_rootfs_size method from meta/lib/oe/image.py
# using IMAGE_ROOTFS_SIZE, IMAGE_ROOTFS_ALIGNMENT,
# IMAGE_OVERHEAD_FACTOR and IMAGE_ROOTFS_EXTRA_SPACE
rsize_bb = get_bitbake_var('ROOTFS_SIZE')
if rsize_bb:
logger.warning('overhead-factor was specified, but size was not,'
' so bitbake variables will be used for the size.'
' In this case both IMAGE_OVERHEAD_FACTOR and '
'--overhead-factor will be applied')
self.size = int(round(float(rsize_bb)))
prefix = "ext" if self.fstype.startswith("ext") else self.fstype
method = getattr(self, "prepare_rootfs_" + prefix)
method(rootfs, oe_builddir, rootfs_dir)
self.source_file = rootfs
# get the rootfs size in the right units for kickstart (kB)
du_cmd = "sudo du -Lbks %s" % rootfs
out = exec_cmd(du_cmd)
self.size = int(out.split()[0])
def create(self):
"""
For 'wic', we already have our build artifacts - we just create
filesystems from the artifacts directly and combine them into
a partitioned image.
"""
fstab_path = self._write_fstab(self.rootfs_dir.get("ROOTFS_DIR"))
for part in self.parts:
# get rootfs size from bitbake variable if it's not set in .ks file
if not part.size:
# and if rootfs name is specified for the partition
image_name = self.rootfs_dir.get(part.rootfs_dir)
if image_name and os.path.sep not in image_name:
# Bitbake variable ROOTFS_SIZE is calculated in
# Image._get_rootfs_size method from meta/lib/oe/image.py
# using IMAGE_ROOTFS_SIZE, IMAGE_ROOTFS_ALIGNMENT,
# IMAGE_OVERHEAD_FACTOR and IMAGE_ROOTFS_EXTRA_SPACE
rsize_bb = get_bitbake_var('ROOTFS_SIZE', image_name)
if rsize_bb:
part.size = int(round(float(rsize_bb)))
self._image.prepare(self)
if fstab_path:
shutil.move(fstab_path + ".orig", fstab_path)
self._image.layout_partitions()
self._image.create()
def do_prepare_partition(cls, part, source_params, cr, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir, rootfs_dir):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
"""
if not kernel_dir:
kernel_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
if not kernel_dir:
raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting")
logger.debug('Kernel dir: %s', kernel_dir)
if 'file' not in source_params:
raise WicError("No file specified")
src = os.path.join(kernel_dir, source_params['file'])
dst = os.path.join(cr_workdir,
"%s.%s" % (source_params['file'], part.lineno))
if 'skip' in source_params:
sparse_copy(src, dst, skip=int(source_params['skip']))
else:
sparse_copy(src, dst)
# get the size in the right units for kickstart (kB)
du_cmd = "du -Lbks %s" % dst
out = exec_cmd(du_cmd)
filesize = int(out.split()[0])
if filesize > part.size:
part.size = filesize
part.source_file = dst
def do_prepare_partition(cls, part, source_params, cr, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir,
rootfs_dir, native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
"""
if not kernel_dir:
kernel_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
if not kernel_dir:
raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting")
logger.debug('Kernel dir: %s', kernel_dir)
if 'file' not in source_params:
raise WicError("No file specified")
src = os.path.join(kernel_dir, source_params['file'])
dst = os.path.join(cr_workdir, "%s.%s" % (source_params['file'], part.lineno))
if 'skip' in source_params:
sparse_copy(src, dst, skip=int(source_params['skip']))
else:
sparse_copy(src, dst)
# get the size in the right units for kickstart (kB)
du_cmd = "du -Lbks %s" % dst
out = exec_cmd(du_cmd)
filesize = int(out.split()[0])
if filesize > part.size:
part.size = filesize
part.source_file = dst
def create(self):
"""
For 'wic', we already have our build artifacts - we just create
filesystems from the artifacts directly and combine them into
a partitioned image.
"""
fstab_path = self._write_fstab(self.rootfs_dir.get("ROOTFS_DIR"))
for part in self.parts:
# get rootfs size from bitbake variable if it's not set in .ks file
if not part.size:
# and if rootfs name is specified for the partition
image_name = self.rootfs_dir.get(part.rootfs_dir)
if image_name and os.path.sep not in image_name:
# Bitbake variable ROOTFS_SIZE is calculated in
# Image._get_rootfs_size method from meta/lib/oe/image.py
# using IMAGE_ROOTFS_SIZE, IMAGE_ROOTFS_ALIGNMENT,
# IMAGE_OVERHEAD_FACTOR and IMAGE_ROOTFS_EXTRA_SPACE
rsize_bb = get_bitbake_var('ROOTFS_SIZE', image_name)
if rsize_bb:
part.size = int(round(float(rsize_bb)))
self._image.prepare(self)
if fstab_path:
shutil.move(fstab_path + ".orig", fstab_path)
self._image.layout_partitions()
self._image.create()
def get_plugins(cls, ptype):
"""Get dictionary of <plugin_name>:<class> pairs."""
if ptype not in PLUGIN_TYPES:
raise WicError('%s is not valid plugin type' % ptype)
# collect plugin directories
if not cls._plugin_dirs:
cls._plugin_dirs = [os.path.join(os.path.dirname(__file__), 'plugins')]
layers = get_bitbake_var("BBLAYERS") or ''
for layer_path in layers.split():
path = os.path.join(layer_path, SCRIPTS_PLUGIN_DIR)
path = os.path.abspath(os.path.expanduser(path))
if path not in cls._plugin_dirs and os.path.isdir(path):
cls._plugin_dirs.insert(0, path)
if ptype not in PLUGINS:
# load all ptype plugins
for pdir in cls._plugin_dirs:
ppath = os.path.join(pdir, ptype)
if os.path.isdir(ppath):
for fname in os.listdir(ppath):
if fname.endswith('.py'):
mname = fname[:-3]
mpath = os.path.join(ppath, fname)
logger.debug("loading plugin module %s", mpath)
SourceFileLoader(mname, mpath).load_module()
return PLUGINS.get(ptype)
def get_plugins(cls, ptype):
"""Get dictionary of <plugin_name>:<class> pairs."""
if ptype not in PLUGIN_TYPES:
raise WicError('%s is not valid plugin type' % ptype)
# collect plugin directories
if not cls._plugin_dirs:
cls._plugin_dirs = [
os.path.join(os.path.dirname(__file__), 'plugins')
]
layers = get_bitbake_var("BBLAYERS") or ''
for layer_path in layers.split():
path = os.path.join(layer_path, SCRIPTS_PLUGIN_DIR)
path = os.path.abspath(os.path.expanduser(path))
if path not in cls._plugin_dirs and os.path.isdir(path):
cls._plugin_dirs.insert(0, path)
if ptype not in PLUGINS:
# load all ptype plugins
for pdir in cls._plugin_dirs:
ppath = os.path.join(pdir, ptype)
if os.path.isdir(ppath):
for fname in os.listdir(ppath):
if fname.endswith('.py'):
mname = fname[:-3]
mpath = os.path.join(ppath, fname)
logger.debug("loading plugin module %s", mpath)
SourceFileLoader(mname, mpath).load_module()
return PLUGINS.get(ptype)
def _get_bootimg_dir(cls, bootimg_dir, dirname):
"""
Check if dirname exists in default bootimg_dir or
in wic-tools STAGING_DIR.
"""
for result in (bootimg_dir,
get_bitbake_var("STAGING_DATADIR", "wic-tools")):
if os.path.exists("%s/%s" % (result, dirname)):
return result
raise WicError("Couldn't find correct bootimg_dir, exiting")
def __get_rootfs_dir(rootfs_dir):
if os.path.isdir(rootfs_dir):
return rootfs_dir
image_rootfs_dir = get_bitbake_var("IMAGE_ROOTFS", rootfs_dir)
if not os.path.isdir(image_rootfs_dir):
raise WicError("No valid artifact IMAGE_ROOTFS from image "
"named %s has been found at %s, exiting." %
(rootfs_dir, image_rootfs_dir))
return image_rootfs_dir
def __get_rootfs_dir(rootfs_dir):
if os.path.isdir(rootfs_dir):
return rootfs_dir
image_rootfs_dir = get_bitbake_var("IMAGE_ROOTFS", rootfs_dir)
if not os.path.isdir(image_rootfs_dir):
raise WicError("No valid artifact IMAGE_ROOTFS from image "
"named %s has been found at %s, exiting." %
(rootfs_dir, image_rootfs_dir))
return image_rootfs_dir
def __get_rootfs_dir(rootfs_dir):
if os.path.isdir(rootfs_dir):
return rootfs_dir
image_rootfs_dir = get_bitbake_var("IMAGE_ROOTFS", rootfs_dir)
if not os.path.isdir(image_rootfs_dir):
msg = "No valid artifact IMAGE_ROOTFS from image named"
msg += " %s has been found at %s, exiting.\n" % \
(rootfs_dir, image_rootfs_dir)
msger.error(msg)
return image_rootfs_dir
def _get_syslinux_dir(cls, bootimg_dir):
"""
Get path to syslinux from either default bootimg_dir
or wic-tools STAGING_DIR.
"""
for path in (bootimg_dir, get_bitbake_var("STAGING_DATADIR", "wic-tools")):
if not path:
continue
syslinux_dir = os.path.join(path, 'syslinux')
if os.path.exists(syslinux_dir):
return syslinux_dir
raise WicError("Couldn't find syslinux directory, exiting")
def build_canned_image_list(path):
layers_path = misc.get_bitbake_var("BBLAYERS")
canned_wks_layer_dirs = []
if layers_path is not None:
for layer_path in layers_path.split():
cpath = os.path.join(layer_path, SCRIPTS_CANNED_IMAGE_DIR)
canned_wks_layer_dirs.append(cpath)
cpath = os.path.join(path, CANNED_IMAGE_DIR)
canned_wks_layer_dirs.append(cpath)
return canned_wks_layer_dirs
def do_prepare_partition(cls, part, source_params, cr, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir,
rootfs_dir, native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
"""
bootimg_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
if not bootimg_dir:
logger.error("Couldn't find DEPLOY_DIR_IMAGE, exiting\n")
logger.debug('Bootimg dir: %s' % bootimg_dir)
src = bootimg_dir + "/" + get_bitbake_var("IMAGE_LINK_NAME") + ".otaimg"
logger.debug('Preparing partition using image %s' % (src))
source_params['file'] = src
super(OTAImagePlugin, cls).do_prepare_partition(part, source_params,
cr, cr_workdir, oe_builddir,
bootimg_dir, kernel_dir,
rootfs_dir, native_sysroot)
def build_canned_image_list(path):
layers_path = misc.get_bitbake_var("BBLAYERS")
canned_wks_layer_dirs = []
if layers_path is not None:
for layer_path in layers_path.split():
cpath = os.path.join(layer_path, SCRIPTS_CANNED_IMAGE_DIR)
canned_wks_layer_dirs.append(cpath)
cpath = os.path.join(path, CANNED_IMAGE_DIR)
canned_wks_layer_dirs.append(cpath)
return canned_wks_layer_dirs
def _get_syslinux_dir(cls, bootimg_dir):
"""
Get path to syslinux from either default bootimg_dir
or wic-tools STAGING_DIR.
"""
for path in (bootimg_dir, get_bitbake_var("STAGING_DATADIR", "wic-tools")):
if not path:
continue
syslinux_dir = os.path.join(path, 'syslinux')
if os.path.exists(syslinux_dir):
return syslinux_dir
raise WicError("Couldn't find syslinux directory, exiting")
def _build_plugin_dir_list(self, plugin_dir, ptype):
if self.layers_path is None:
self.layers_path = get_bitbake_var("BBLAYERS")
layer_dirs = []
if self.layers_path is not None:
for layer_path in self.layers_path.split():
path = os.path.join(layer_path, SCRIPTS_PLUGIN_DIR, ptype)
layer_dirs.append(path)
path = os.path.join(plugin_dir, ptype)
layer_dirs.append(path)
return layer_dirs
def _get_rootfs_dir(rootfs_dir):
"""
Find rootfs pseudo dir
If rootfs_dir is a directory consider it as rootfs directory.
Otherwise ask bitbake about the IMAGE_ROOTFS directory.
"""
if os.path.isdir(rootfs_dir):
return rootfs_dir
image_rootfs_dir = get_bitbake_var("IMAGE_ROOTFS", rootfs_dir)
if not os.path.isdir(image_rootfs_dir):
raise WicError("No valid artifact IMAGE_ROOTFS from image named %s "
"has been found at %s, exiting." %
(rootfs_dir, image_rootfs_dir))
return image_rootfs_dir
def _build_initramfs_path(rootfs_dir, cr_workdir):
"""
Create path for initramfs image
"""
initrd = get_bitbake_var("INITRD_LIVE") or get_bitbake_var("INITRD")
if not initrd:
initrd_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
if not initrd_dir:
raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting.")
image_name = get_bitbake_var("IMAGE_BASENAME")
if not image_name:
raise WicError("Couldn't find IMAGE_BASENAME, exiting.")
image_type = get_bitbake_var("INITRAMFS_FSTYPES")
if not image_type:
raise WicError("Couldn't find INITRAMFS_FSTYPES, exiting.")
target_arch = get_bitbake_var("TRANSLATED_TARGET_ARCH")
if not target_arch:
raise WicError("Couldn't find TRANSLATED_TARGET_ARCH, exiting.")
initrd = glob.glob('%s/%s*%s.%s' % (initrd_dir, image_name, target_arch, image_type))[0]
if not os.path.exists(initrd):
# Create initrd from rootfs directory
initrd = "%s/initrd.cpio.gz" % cr_workdir
initrd_dir = "%s/INITRD" % cr_workdir
shutil.copytree("%s" % rootfs_dir, \
"%s" % initrd_dir, symlinks=True)
if os.path.isfile("%s/init" % rootfs_dir):
shutil.copy2("%s/init" % rootfs_dir, "%s/init" % initrd_dir)
elif os.path.lexists("%s/init" % rootfs_dir):
os.symlink(os.readlink("%s/init" % rootfs_dir), \
"%s/init" % initrd_dir)
elif os.path.isfile("%s/sbin/init" % rootfs_dir):
shutil.copy2("%s/sbin/init" % rootfs_dir, \
"%s" % initrd_dir)
elif os.path.lexists("%s/sbin/init" % rootfs_dir):
os.symlink(os.readlink("%s/sbin/init" % rootfs_dir), \
"%s/init" % initrd_dir)
else:
raise WicError("Couldn't find or build initrd, exiting.")
exec_cmd("cd %s && find . | cpio -o -H newc -R +0:+0 >./initrd.cpio " \
% initrd_dir, as_shell=True)
exec_cmd("gzip -f -9 -c %s/initrd.cpio > %s" \
% (cr_workdir, initrd), as_shell=True)
shutil.rmtree(initrd_dir)
return initrd
def _get_rootfs_dir(rootfs_dir):
"""
Find rootfs pseudo dir
If rootfs_dir is a directory consider it as rootfs directory.
Otherwise ask bitbake about the IMAGE_ROOTFS directory.
"""
if os.path.isdir(rootfs_dir):
return rootfs_dir
image_rootfs_dir = get_bitbake_var("IMAGE_ROOTFS", rootfs_dir)
if not os.path.isdir(image_rootfs_dir):
msg = "No valid artifact IMAGE_ROOTFS from image named"
msg += " %s has been found at %s, exiting.\n" % \
(rootfs_dir, image_rootfs_dir)
msger.error(msg)
return image_rootfs_dir
def do_prepare_partition(cls, part, source_params, cr, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir, rootfs_dir,
native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
"""
if not bootimg_dir:
bootimg_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
if not bootimg_dir:
raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting")
logger.debug('Bootimg dir: %s', bootimg_dir)
if 'file' not in source_params:
raise WicError("No file specified")
src = os.path.join(bootimg_dir, source_params['file'])
logger.debug('Preparing partition using image %s', src)
part.prepare_rootfs_from_fs_image(cr_workdir, src, "")
def do_prepare_partition(cls, part, source_params, cr, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir,
rootfs_dir, native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
"""
if not bootimg_dir:
bootimg_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
if not bootimg_dir:
raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting")
logger.debug('Bootimg dir: %s', bootimg_dir)
if 'file' not in source_params:
raise WicError("No file specified")
src = os.path.join(bootimg_dir, source_params['file'])
logger.debug('Preparing partition using image %s', src)
part.prepare_rootfs_from_fs_image(cr_workdir, src, "")
def do_prepare_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir, rootfs_dir):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
In this case, prepare content for a bootable ISO image.
"""
isodir = "%s/ISO" % cr_workdir
if part.rootfs_dir is None:
if not 'ROOTFS_DIR' in rootfs_dir:
raise WicError("Couldn't find --rootfs-dir, exiting.")
rootfs_dir = rootfs_dir['ROOTFS_DIR']
else:
if part.rootfs_dir in rootfs_dir:
rootfs_dir = rootfs_dir[part.rootfs_dir]
elif part.rootfs_dir:
rootfs_dir = part.rootfs_dir
else:
raise WicError("Couldn't find --rootfs-dir=%s connection "
"or it is not a valid path, exiting." %
part.rootfs_dir)
if not os.path.isdir(rootfs_dir):
rootfs_dir = get_bitbake_var("IMAGE_ROOTFS")
if not os.path.isdir(rootfs_dir):
raise WicError("Couldn't find IMAGE_ROOTFS, exiting.")
part.rootfs_dir = rootfs_dir
# Prepare rootfs.img
deploy_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
img_iso_dir = get_bitbake_var("ISODIR")
rootfs_img = "%s/rootfs.img" % img_iso_dir
if not os.path.isfile(rootfs_img):
# check if rootfs.img is in deploydir
deploy_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
image_name = get_bitbake_var("IMAGE_LINK_NAME")
rootfs_img = "%s/%s.%s" \
% (deploy_dir, image_name, part.fstype)
if not os.path.isfile(rootfs_img):
# create image file with type specified by --fstype
# which contains rootfs
du_cmd = "du -bks %s" % rootfs_dir
out = exec_cmd(du_cmd)
part.size = int(out.split()[0])
part.extra_space = 0
part.overhead_factor = 1.2
part.prepare_rootfs(cr_workdir, oe_builddir, rootfs_dir)
rootfs_img = part.source_file
install_cmd = "install -m 0644 %s %s/rootfs.img" \
% (rootfs_img, isodir)
exec_cmd(install_cmd)
# Remove the temporary file created by part.prepare_rootfs()
if os.path.isfile(part.source_file):
os.remove(part.source_file)
# Support using a different initrd other than default
if source_params.get('initrd'):
initrd = source_params['initrd']
if not deploy_dir:
raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting")
cp_cmd = "cp %s/%s %s" % (deploy_dir, initrd, cr_workdir)
exec_cmd(cp_cmd)
else:
# Prepare initial ramdisk
initrd = "%s/initrd" % deploy_dir
if not os.path.isfile(initrd):
initrd = "%s/initrd" % img_iso_dir
if not os.path.isfile(initrd):
initrd = cls._build_initramfs_path(rootfs_dir, cr_workdir)
install_cmd = "install -m 0644 %s %s/initrd" % (initrd, isodir)
exec_cmd(install_cmd)
# Remove the temporary file created by _build_initramfs_path function
if os.path.isfile("%s/initrd.cpio.gz" % cr_workdir):
os.remove("%s/initrd.cpio.gz" % cr_workdir)
# Install bzImage
install_cmd = "install -m 0644 %s/bzImage %s/bzImage" % \
(kernel_dir, isodir)
exec_cmd(install_cmd)
#Create bootloader for efi boot
try:
if source_params['loader'] == 'grub-efi':
# Builds grub.cfg if ISODIR didn't exist or
# didn't contains grub.cfg
bootimg_dir = img_iso_dir
if not os.path.exists("%s/EFI/BOOT" % bootimg_dir):
bootimg_dir = "%s/bootimg" % cr_workdir
if os.path.exists(bootimg_dir):
shutil.rmtree(bootimg_dir)
install_cmd = "install -d %s/EFI/BOOT" % bootimg_dir
exec_cmd(install_cmd)
if not os.path.isfile("%s/EFI/BOOT/boot.cfg" % bootimg_dir):
cls.do_configure_grubefi(part, creator, bootimg_dir)
# Builds bootx64.efi/bootia32.efi if ISODIR didn't exist or
# didn't contains it
target_arch = get_bitbake_var("TARGET_SYS")
if not target_arch:
raise WicError("Coludn't find target architecture")
if re.match("x86_64", target_arch):
grub_target = 'x86_64-efi'
grub_image = "bootx64.efi"
elif re.match('i.86', target_arch):
grub_target = 'i386-efi'
grub_image = "bootia32.efi"
else:
raise WicError("grub-efi is incompatible with target %s" %
target_arch)
if not os.path.isfile("%s/EFI/BOOT/%s" \
% (bootimg_dir, grub_image)):
grub_path = get_bitbake_var("STAGING_LIBDIR", "wic-tools")
if not grub_path:
raise WicError(
"Couldn't find STAGING_LIBDIR, exiting.")
grub_core = "%s/grub/%s" % (grub_path, grub_target)
if not os.path.exists(grub_core):
raise WicError("Please build grub-efi first")
grub_cmd = "grub-mkimage -p '/EFI/BOOT' "
grub_cmd += "-d %s " % grub_core
grub_cmd += "-O %s -o %s/EFI/BOOT/%s " \
% (grub_target, bootimg_dir, grub_image)
grub_cmd += "part_gpt part_msdos ntfs ntfscomp fat ext2 "
grub_cmd += "normal chain boot configfile linux multiboot "
grub_cmd += "search efi_gop efi_uga font gfxterm gfxmenu "
grub_cmd += "terminal minicmd test iorw loadenv echo help "
grub_cmd += "reboot serial terminfo iso9660 loopback tar "
grub_cmd += "memdisk ls search_fs_uuid udf btrfs xfs lvm "
grub_cmd += "reiserfs ata "
exec_cmd(grub_cmd)
else:
raise WicError("unrecognized bootimg-efi loader: %s" %
source_params['loader'])
except KeyError:
raise WicError("bootimg-efi requires a loader, none specified")
if os.path.exists("%s/EFI/BOOT" % isodir):
shutil.rmtree("%s/EFI/BOOT" % isodir)
shutil.copytree(bootimg_dir + "/EFI/BOOT", isodir + "/EFI/BOOT")
# If exists, remove cr_workdir/bootimg temporary folder
if os.path.exists("%s/bootimg" % cr_workdir):
shutil.rmtree("%s/bootimg" % cr_workdir)
# Create efi.img that contains bootloader files for EFI booting
# if ISODIR didn't exist or didn't contains it
if os.path.isfile("%s/efi.img" % img_iso_dir):
install_cmd = "install -m 0644 %s/efi.img %s/efi.img" % \
(img_iso_dir, isodir)
exec_cmd(install_cmd)
else:
du_cmd = "du -bks %s/EFI" % isodir
out = exec_cmd(du_cmd)
blocks = int(out.split()[0])
# Add some extra space for file system overhead
blocks += 100
logger.debug(
"Added 100 extra blocks to %s to get to %d "
"total blocks", part.mountpoint, blocks)
# dosfs image for EFI boot
bootimg = "%s/efi.img" % isodir
dosfs_cmd = 'mkfs.vfat -n "EFIimg" -S 512 -C %s %d' \
% (bootimg, blocks)
exec_cmd(dosfs_cmd)
mmd_cmd = "mmd -i %s ::/EFI" % bootimg
exec_cmd(mmd_cmd)
mcopy_cmd = "env MTOOLS_SKIP_CHECK=1 " \
"mcopy -i %s -s %s/EFI/* ::/EFI/" \
% (bootimg, isodir)
exec_cmd(mcopy_cmd, True)
chmod_cmd = "chmod 644 %s" % bootimg
exec_cmd(chmod_cmd)
# Prepare files for legacy boot
syslinux_dir = get_bitbake_var("STAGING_DATADIR", "wic-tools")
if not syslinux_dir:
raise WicError("Couldn't find STAGING_DATADIR, exiting.")
if os.path.exists("%s/isolinux" % isodir):
shutil.rmtree("%s/isolinux" % isodir)
install_cmd = "install -d %s/isolinux" % isodir
exec_cmd(install_cmd)
cls.do_configure_syslinux(creator, cr_workdir)
install_cmd = "install -m 444 %s/syslinux/ldlinux.sys " % syslinux_dir
install_cmd += "%s/isolinux/ldlinux.sys" % isodir
exec_cmd(install_cmd)
install_cmd = "install -m 444 %s/syslinux/isohdpfx.bin " % syslinux_dir
install_cmd += "%s/isolinux/isohdpfx.bin" % isodir
exec_cmd(install_cmd)
install_cmd = "install -m 644 %s/syslinux/isolinux.bin " % syslinux_dir
install_cmd += "%s/isolinux/isolinux.bin" % isodir
exec_cmd(install_cmd)
install_cmd = "install -m 644 %s/syslinux/ldlinux.c32 " % syslinux_dir
install_cmd += "%s/isolinux/ldlinux.c32" % isodir
exec_cmd(install_cmd)
#create ISO image
iso_img = "%s/tempiso_img.iso" % cr_workdir
iso_bootimg = "isolinux/isolinux.bin"
iso_bootcat = "isolinux/boot.cat"
efi_img = "efi.img"
mkisofs_cmd = "mkisofs -V %s " % part.label
mkisofs_cmd += "-o %s -U " % iso_img
mkisofs_cmd += "-J -joliet-long -r -iso-level 2 -b %s " % iso_bootimg
mkisofs_cmd += "-c %s -no-emul-boot -boot-load-size 4 " % iso_bootcat
mkisofs_cmd += "-boot-info-table -eltorito-alt-boot "
mkisofs_cmd += "-eltorito-platform 0xEF -eltorito-boot %s " % efi_img
mkisofs_cmd += "-no-emul-boot %s " % isodir
logger.debug("running command: %s", mkisofs_cmd)
exec_cmd(mkisofs_cmd)
shutil.rmtree(isodir)
du_cmd = "du -Lbks %s" % iso_img
out = exec_cmd(du_cmd)
isoimg_size = int(out.split()[0])
part.size = isoimg_size
part.source_file = iso_img
def do_prepare_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir,
rootfs_dir, native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
In this case, prepare content for a bootable ISO image.
"""
isodir = "%s/ISO" % cr_workdir
if part.rootfs_dir is None:
if not 'ROOTFS_DIR' in rootfs_dir:
raise WicError("Couldn't find --rootfs-dir, exiting.")
rootfs_dir = rootfs_dir['ROOTFS_DIR']
else:
if part.rootfs_dir in rootfs_dir:
rootfs_dir = rootfs_dir[part.rootfs_dir]
elif part.rootfs_dir:
rootfs_dir = part.rootfs_dir
else:
raise WicError("Couldn't find --rootfs-dir=%s connection "
"or it is not a valid path, exiting." %
part.rootfs_dir)
if not os.path.isdir(rootfs_dir):
rootfs_dir = get_bitbake_var("IMAGE_ROOTFS")
if not os.path.isdir(rootfs_dir):
raise WicError("Couldn't find IMAGE_ROOTFS, exiting.")
part.rootfs_dir = rootfs_dir
# Prepare rootfs.img
deploy_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
img_iso_dir = get_bitbake_var("ISODIR")
rootfs_img = "%s/rootfs.img" % img_iso_dir
if not os.path.isfile(rootfs_img):
# check if rootfs.img is in deploydir
deploy_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
image_name = get_bitbake_var("IMAGE_LINK_NAME")
rootfs_img = "%s/%s.%s" \
% (deploy_dir, image_name, part.fstype)
if not os.path.isfile(rootfs_img):
# create image file with type specified by --fstype
# which contains rootfs
du_cmd = "du -bks %s" % rootfs_dir
out = exec_cmd(du_cmd)
part.size = int(out.split()[0])
part.extra_space = 0
part.overhead_factor = 1.2
part.prepare_rootfs(cr_workdir, oe_builddir, rootfs_dir, \
native_sysroot)
rootfs_img = part.source_file
install_cmd = "install -m 0644 %s %s/rootfs.img" \
% (rootfs_img, isodir)
exec_cmd(install_cmd)
# Remove the temporary file created by part.prepare_rootfs()
if os.path.isfile(part.source_file):
os.remove(part.source_file)
# Support using a different initrd other than default
if source_params.get('initrd'):
initrd = source_params['initrd']
if not deploy_dir:
raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting")
cp_cmd = "cp %s/%s %s" % (deploy_dir, initrd, cr_workdir)
exec_cmd(cp_cmd)
else:
# Prepare initial ramdisk
initrd = "%s/initrd" % deploy_dir
if not os.path.isfile(initrd):
initrd = "%s/initrd" % img_iso_dir
if not os.path.isfile(initrd):
initrd = cls._build_initramfs_path(rootfs_dir, cr_workdir)
install_cmd = "install -m 0644 %s %s/initrd" % (initrd, isodir)
exec_cmd(install_cmd)
# Remove the temporary file created by _build_initramfs_path function
if os.path.isfile("%s/initrd.cpio.gz" % cr_workdir):
os.remove("%s/initrd.cpio.gz" % cr_workdir)
# Install bzImage
install_cmd = "install -m 0644 %s/bzImage %s/bzImage" % \
(kernel_dir, isodir)
exec_cmd(install_cmd)
#Create bootloader for efi boot
try:
if source_params['loader'] == 'grub-efi':
# Builds grub.cfg if ISODIR didn't exist or
# didn't contains grub.cfg
bootimg_dir = img_iso_dir
if not os.path.exists("%s/EFI/BOOT" % bootimg_dir):
bootimg_dir = "%s/bootimg" % cr_workdir
if os.path.exists(bootimg_dir):
shutil.rmtree(bootimg_dir)
install_cmd = "install -d %s/EFI/BOOT" % bootimg_dir
exec_cmd(install_cmd)
if not os.path.isfile("%s/EFI/BOOT/boot.cfg" % bootimg_dir):
cls.do_configure_grubefi(part, creator, bootimg_dir)
# Builds bootx64.efi/bootia32.efi if ISODIR didn't exist or
# didn't contains it
target_arch = get_bitbake_var("TARGET_SYS")
if not target_arch:
raise WicError("Coludn't find target architecture")
if re.match("x86_64", target_arch):
grub_target = 'x86_64-efi'
grub_image = "bootx64.efi"
elif re.match('i.86', target_arch):
grub_target = 'i386-efi'
grub_image = "bootia32.efi"
else:
raise WicError("grub-efi is incompatible with target %s" %
target_arch)
if not os.path.isfile("%s/EFI/BOOT/%s" \
% (bootimg_dir, grub_image)):
grub_path = get_bitbake_var("STAGING_LIBDIR", "wic-tools")
if not grub_path:
raise WicError("Couldn't find STAGING_LIBDIR, exiting.")
grub_core = "%s/grub/%s" % (grub_path, grub_target)
if not os.path.exists(grub_core):
raise WicError("Please build grub-efi first")
grub_cmd = "grub-mkimage -p '/EFI/BOOT' "
grub_cmd += "-d %s " % grub_core
grub_cmd += "-O %s -o %s/EFI/BOOT/%s " \
% (grub_target, bootimg_dir, grub_image)
grub_cmd += "part_gpt part_msdos ntfs ntfscomp fat ext2 "
grub_cmd += "normal chain boot configfile linux multiboot "
grub_cmd += "search efi_gop efi_uga font gfxterm gfxmenu "
grub_cmd += "terminal minicmd test iorw loadenv echo help "
grub_cmd += "reboot serial terminfo iso9660 loopback tar "
grub_cmd += "memdisk ls search_fs_uuid udf btrfs xfs lvm "
grub_cmd += "reiserfs ata "
exec_native_cmd(grub_cmd, native_sysroot)
else:
raise WicError("unrecognized bootimg-efi loader: %s" %
source_params['loader'])
except KeyError:
raise WicError("bootimg-efi requires a loader, none specified")
if os.path.exists("%s/EFI/BOOT" % isodir):
shutil.rmtree("%s/EFI/BOOT" % isodir)
shutil.copytree(bootimg_dir+"/EFI/BOOT", isodir+"/EFI/BOOT")
# If exists, remove cr_workdir/bootimg temporary folder
if os.path.exists("%s/bootimg" % cr_workdir):
shutil.rmtree("%s/bootimg" % cr_workdir)
# Create efi.img that contains bootloader files for EFI booting
# if ISODIR didn't exist or didn't contains it
if os.path.isfile("%s/efi.img" % img_iso_dir):
install_cmd = "install -m 0644 %s/efi.img %s/efi.img" % \
(img_iso_dir, isodir)
exec_cmd(install_cmd)
else:
du_cmd = "du -bks %s/EFI" % isodir
out = exec_cmd(du_cmd)
blocks = int(out.split()[0])
# Add some extra space for file system overhead
blocks += 100
logger.debug("Added 100 extra blocks to %s to get to %d "
"total blocks", part.mountpoint, blocks)
# dosfs image for EFI boot
bootimg = "%s/efi.img" % isodir
dosfs_cmd = 'mkfs.vfat -n "EFIimg" -S 512 -C %s %d' \
% (bootimg, blocks)
exec_native_cmd(dosfs_cmd, native_sysroot)
mmd_cmd = "mmd -i %s ::/EFI" % bootimg
exec_native_cmd(mmd_cmd, native_sysroot)
mcopy_cmd = "mcopy -i %s -s %s/EFI/* ::/EFI/" \
% (bootimg, isodir)
exec_native_cmd(mcopy_cmd, native_sysroot)
chmod_cmd = "chmod 644 %s" % bootimg
exec_cmd(chmod_cmd)
# Prepare files for legacy boot
syslinux_dir = get_bitbake_var("STAGING_DATADIR", "wic-tools")
if not syslinux_dir:
raise WicError("Couldn't find STAGING_DATADIR, exiting.")
if os.path.exists("%s/isolinux" % isodir):
shutil.rmtree("%s/isolinux" % isodir)
install_cmd = "install -d %s/isolinux" % isodir
exec_cmd(install_cmd)
cls.do_configure_syslinux(creator, cr_workdir)
install_cmd = "install -m 444 %s/syslinux/ldlinux.sys " % syslinux_dir
install_cmd += "%s/isolinux/ldlinux.sys" % isodir
exec_cmd(install_cmd)
install_cmd = "install -m 444 %s/syslinux/isohdpfx.bin " % syslinux_dir
install_cmd += "%s/isolinux/isohdpfx.bin" % isodir
exec_cmd(install_cmd)
install_cmd = "install -m 644 %s/syslinux/isolinux.bin " % syslinux_dir
install_cmd += "%s/isolinux/isolinux.bin" % isodir
exec_cmd(install_cmd)
install_cmd = "install -m 644 %s/syslinux/ldlinux.c32 " % syslinux_dir
install_cmd += "%s/isolinux/ldlinux.c32" % isodir
exec_cmd(install_cmd)
#create ISO image
iso_img = "%s/tempiso_img.iso" % cr_workdir
iso_bootimg = "isolinux/isolinux.bin"
iso_bootcat = "isolinux/boot.cat"
efi_img = "efi.img"
mkisofs_cmd = "mkisofs -V %s " % part.label
mkisofs_cmd += "-o %s -U " % iso_img
mkisofs_cmd += "-J -joliet-long -r -iso-level 2 -b %s " % iso_bootimg
mkisofs_cmd += "-c %s -no-emul-boot -boot-load-size 4 " % iso_bootcat
mkisofs_cmd += "-boot-info-table -eltorito-alt-boot "
mkisofs_cmd += "-eltorito-platform 0xEF -eltorito-boot %s " % efi_img
mkisofs_cmd += "-no-emul-boot %s " % isodir
logger.debug("running command: %s", mkisofs_cmd)
exec_native_cmd(mkisofs_cmd, native_sysroot)
shutil.rmtree(isodir)
du_cmd = "du -Lbks %s" % iso_img
out = exec_cmd(du_cmd)
isoimg_size = int(out.split()[0])
part.size = isoimg_size
part.source_file = iso_img
def do_prepare_partition(cls, part, source_params, cr, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir,
rootfs_dir, native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
In this case, does the following:
- sets up a vfat partition
- copies all files listed in IMAGE_BOOT_FILES variable
"""
hdddir = "%s/boot" % cr_workdir
install_cmd = "install -d %s" % hdddir
exec_cmd(install_cmd)
if not kernel_dir:
kernel_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
if not kernel_dir:
raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting")
logger.debug('Kernel dir: %s', bootimg_dir)
boot_files = get_bitbake_var("IMAGE_BOOT_FILES")
if not boot_files:
raise WicError('No boot files defined, IMAGE_BOOT_FILES unset')
logger.debug('Boot files: %s', boot_files)
# list of tuples (src_name, dst_name)
deploy_files = []
for src_entry in re.findall(r'[\w;\-\./\*]+', boot_files):
if ';' in src_entry:
dst_entry = tuple(src_entry.split(';'))
if not dst_entry[0] or not dst_entry[1]:
raise WicError('Malformed boot file entry: %s' % src_entry)
else:
dst_entry = (src_entry, src_entry)
logger.debug('Destination entry: %r', dst_entry)
deploy_files.append(dst_entry)
for deploy_entry in deploy_files:
src, dst = deploy_entry
install_task = []
if '*' in src:
# by default install files under their basename
entry_name_fn = os.path.basename
if dst != src:
# unless a target name was given, then treat name
# as a directory and append a basename
entry_name_fn = lambda name: \
os.path.join(dst,
os.path.basename(name))
srcs = glob(os.path.join(kernel_dir, src))
logger.debug('Globbed sources: %s', ', '.join(srcs))
for entry in srcs:
entry_dst_name = entry_name_fn(entry)
install_task.append((entry,
os.path.join(hdddir,
entry_dst_name)))
else:
install_task = [(os.path.join(kernel_dir, src),
os.path.join(hdddir, dst))]
for task in install_task:
src_path, dst_path = task
logger.debug('Install %s as %s',
os.path.basename(src_path), dst_path)
install_cmd = "install -m 0644 -D %s %s" \
% (src_path, dst_path)
exec_cmd(install_cmd)
logger.debug('Prepare boot partition using rootfs in %s', hdddir)
part.prepare_rootfs(cr_workdir, oe_builddir, hdddir,
native_sysroot)
def create(self):
"""
For 'wic', we already have our build artifacts - we just create
filesystems from the artifacts directly and combine them into
a partitioned image.
"""
parts = self._get_parts()
self._image = Image(self.native_sysroot)
disk_ids = {}
for num, part in enumerate(parts, 1):
# as a convenience, set source to the boot partition source
# instead of forcing it to be set via bootloader --source
if not self.ks.bootloader.source and part.mountpoint == "/boot":
self.ks.bootloader.source = part.source
# generate parition UUIDs
if not part.uuid and part.use_uuid:
if self.ptable_format == 'gpt':
part.uuid = str(uuid.uuid4())
else: # msdos partition table
if part.disk not in disk_ids:
disk_ids[part.disk] = int.from_bytes(
os.urandom(4), 'little')
disk_id = disk_ids[part.disk]
part.uuid = '%0x-%02d' % (disk_id,
self._get_part_num(num, parts))
fstab_path = self._write_fstab(self.rootfs_dir.get("ROOTFS_DIR"))
for part in parts:
# get rootfs size from bitbake variable if it's not set in .ks file
if not part.size:
# and if rootfs name is specified for the partition
image_name = self.rootfs_dir.get(part.rootfs_dir)
if image_name and os.path.sep not in image_name:
# Bitbake variable ROOTFS_SIZE is calculated in
# Image._get_rootfs_size method from meta/lib/oe/image.py
# using IMAGE_ROOTFS_SIZE, IMAGE_ROOTFS_ALIGNMENT,
# IMAGE_OVERHEAD_FACTOR and IMAGE_ROOTFS_EXTRA_SPACE
rsize_bb = get_bitbake_var('ROOTFS_SIZE', image_name)
if rsize_bb:
part.size = int(round(float(rsize_bb)))
# need to create the filesystems in order to get their
# sizes before we can add them and do the layout.
# Image.create() actually calls __format_disks() to create
# the disk images and carve out the partitions, then
# self.assemble() calls Image.assemble() which calls
# __write_partitition() for each partition to dd the fs
# into the partitions.
part.prepare(self, self.workdir, self.oe_builddir, self.rootfs_dir,
self.bootimg_dir, self.kernel_dir,
self.native_sysroot)
self._image.add_partition(part.disk_size,
part.disk,
part.mountpoint,
part.source_file,
part.fstype,
part.label,
fsopts=part.fsopts,
boot=part.active,
align=part.align,
no_table=part.no_table,
part_type=part.part_type,
uuid=part.uuid,
system_id=part.system_id)
if fstab_path:
shutil.move(fstab_path + ".orig", fstab_path)
self._image.layout_partitions(self.ptable_format)
for disk_name, disk in self._image.disks.items():
full_path = self._full_path(self.workdir, disk_name, "direct")
msger.debug("Adding disk %s as %s with size %s bytes" \
% (disk_name, full_path, disk['min_size']))
disk_obj = DiskImage(full_path, disk['min_size'])
#self._disks[disk_name] = disk_obj
self._image.add_disk(disk_name, disk_obj, disk_ids.get(disk_name))
self._image.create()
def do_prepare_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir, rootfs_dir,
native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
In this case, prepare content for legacy bios boot partition.
"""
syslinux_dir = cls._get_syslinux_dir(bootimg_dir)
staging_kernel_dir = kernel_dir
kernel = get_bitbake_var("KERNEL_IMAGE")
initrd = get_bitbake_var("INITRD_IMAGE")
hdddir = "%s/hdd/boot" % cr_workdir
cmds = ("install -m 0644 %s/%s %s/%s" %
(staging_kernel_dir, kernel, hdddir, kernel),
"install -m 0644 %s/%s %s/%s" %
(staging_kernel_dir, initrd, hdddir, initrd),
"install -m 444 %s/modules/bios/ldlinux.c32 %s/ldlinux.c32" %
(syslinux_dir, hdddir),
"install -m 0644 %s/modules/bios/vesamenu.c32 %s/vesamenu.c32"
% (syslinux_dir, hdddir),
"install -m 444 %s/modules/bios/libcom32.c32 %s/libcom32.c32" %
(syslinux_dir, hdddir),
"install -m 444 %s/modules/bios/libutil.c32 %s/libutil.c32" %
(syslinux_dir, hdddir))
for install_cmd in cmds:
exec_cmd(install_cmd)
du_cmd = "du -bks %s" % hdddir
out = exec_cmd(du_cmd)
blocks = int(out.split()[0])
extra_blocks = part.get_extra_block_count(blocks)
if extra_blocks < BOOTDD_EXTRA_SPACE:
extra_blocks = BOOTDD_EXTRA_SPACE
blocks += extra_blocks
logger.debug("Added %d extra blocks to %s to get to %d total blocks",
extra_blocks, part.mountpoint, blocks)
# dosfs image, created by mkdosfs
bootimg = "%s/boot.img" % cr_workdir
dosfs_cmd = "mkdosfs -n boot -S 512 -C %s %d" % (bootimg, blocks)
exec_native_cmd(dosfs_cmd, native_sysroot)
mcopy_cmd = "mcopy -i %s -s %s/* ::/" % (bootimg, hdddir)
exec_cmd(mcopy_cmd, native_sysroot)
syslinux_cmd = "syslinux %s" % bootimg
exec_native_cmd(syslinux_cmd, native_sysroot)
chmod_cmd = "chmod 644 %s" % bootimg
exec_cmd(chmod_cmd)
du_cmd = "du -Lbks %s" % bootimg
out = exec_cmd(du_cmd)
bootimg_size = out.split()[0]
part.size = int(bootimg_size)
part.source_file = bootimg
def do_configure_systemdboot(cls, hdddir, creator, cr_workdir, source_params):
"""
Create loader-specific systemd-boot/gummiboot config
"""
install_cmd = "install -d %s/loader" % hdddir
exec_cmd(install_cmd)
install_cmd = "install -d %s/loader/entries" % hdddir
exec_cmd(install_cmd)
bootloader = creator.ks.bootloader
loader_conf = ""
loader_conf += "default boot\n"
loader_conf += "timeout %d\n" % bootloader.timeout
initrd = source_params.get('initrd')
if initrd:
# obviously we need to have a common common deploy var
bootimg_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
if not bootimg_dir:
raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting")
cp_cmd = "cp %s/%s %s" % (bootimg_dir, initrd, hdddir)
exec_cmd(cp_cmd, True)
else:
logger.debug("Ignoring missing initrd")
logger.debug("Writing systemd-boot config "
"%s/hdd/boot/loader/loader.conf", cr_workdir)
cfg = open("%s/hdd/boot/loader/loader.conf" % cr_workdir, "w")
cfg.write(loader_conf)
cfg.close()
configfile = creator.ks.bootloader.configfile
custom_cfg = None
if configfile:
custom_cfg = get_custom_config(configfile)
if custom_cfg:
# Use a custom configuration for systemd-boot
boot_conf = custom_cfg
logger.debug("Using custom configuration file "
"%s for systemd-boots's boot.conf", configfile)
else:
raise WicError("configfile is specified but failed to "
"get it from %s.", configfile)
if not custom_cfg:
# Create systemd-boot configuration using parameters from wks file
kernel = "/vmlinuz"
boot_conf = ""
boot_conf += "title boot\n"
boot_conf += "linux %s\n" % kernel
boot_conf += "options LABEL=Boot root=%s %s\n" % \
(creator.rootdev, bootloader.append)
if initrd:
boot_conf += "initrd /%s\n" % initrd
logger.debug("Writing systemd-boot config "
"%s/hdd/boot/loader/entries/boot.conf", cr_workdir)
cfg = open("%s/hdd/boot/loader/entries/boot.conf" % cr_workdir, "w")
cfg.write(boot_conf)
cfg.close()
def do_prepare_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir,
rootfs_dir, native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
In this case, prepare content for an EFI (grub) boot partition.
"""
if not kernel_dir:
kernel_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
if not kernel_dir:
raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting")
staging_kernel_dir = kernel_dir
hdddir = "%s/hdd/boot" % cr_workdir
try:
if source_params['loader'] == 'grub-efi':
shutil.copyfile("%s/hdd/boot/EFI/BOOT/grub.cfg" % cr_workdir,
"%s/grub.cfg" % cr_workdir)
shutil.copyfile("%s/hdd/boot/EFI/BOOT/grub-mkimage.cfg" % cr_workdir,
"%s/grub-mkimage.cfg" % cr_workdir)
for mod in [x for x in os.listdir(kernel_dir) if x.startswith("grub-efi-")]:
cp_cmd = "cp %s/%s %s/EFI/BOOT/%s" % (kernel_dir, mod, hdddir, mod[9:])
exec_cmd(cp_cmd, True)
shutil.move("%s/grub.cfg" % cr_workdir,
"%s/hdd/boot/EFI/BOOT/grub.cfg" % cr_workdir)
distro_arch = get_bitbake_var("DISTRO_ARCH")
if not distro_arch:
raise WicError("Couldn't find target architecture")
if distro_arch == "amd64":
grub_target = 'x86_64-efi'
grub_image = "bootx64.efi"
grub_modules = "multiboot efi_uga iorw ata "
elif distro_arch == "i386":
grub_target = 'i386-efi'
grub_image = "bootia32.efi"
grub_modules = "multiboot efi_uga iorw ata "
elif distro_arch == "arm64":
grub_target = 'arm64-efi'
grub_image = "bootaa64.efi"
grub_modules = ""
else:
raise WicError("grub-efi is incompatible with target %s" %
distro_arch)
bootimg_dir = "%s/hdd/boot" % cr_workdir
if not os.path.isfile("%s/EFI/BOOT/%s" \
% (bootimg_dir, grub_image)):
# TODO: check that grub-mkimage is available
grub_cmd = "grub-mkimage -p /EFI/BOOT "
grub_cmd += "-c %s/grub-mkimage.cfg " % cr_workdir
grub_cmd += "-O %s -o %s/EFI/BOOT/%s " \
% (grub_target, bootimg_dir, grub_image)
grub_cmd += "part_gpt part_msdos ntfs ntfscomp fat ext2 "
grub_cmd += "normal chain boot configfile linux "
grub_cmd += "search efi_gop font gfxterm gfxmenu "
grub_cmd += "terminal minicmd test loadenv echo help "
grub_cmd += "reboot serial terminfo iso9660 loopback tar "
grub_cmd += "memdisk ls search_fs_uuid udf btrfs xfs lvm "
grub_cmd += "reiserfs " + grub_modules
exec_cmd(grub_cmd)
elif source_params['loader'] == 'systemd-boot':
for mod in [x for x in os.listdir(kernel_dir) if x.startswith("systemd-")]:
cp_cmd = "cp %s/%s %s/EFI/BOOT/%s" % (kernel_dir, mod, hdddir, mod[8:])
exec_cmd(cp_cmd, True)
else:
raise WicError("unrecognized bootimg-efi-isar loader: %s" %
source_params['loader'])
except KeyError:
raise WicError("bootimg-efi-isar requires a loader, none specified")
startup = os.path.join(kernel_dir, "startup.nsh")
if os.path.exists(startup):
cp_cmd = "cp %s %s/" % (startup, hdddir)
exec_cmd(cp_cmd, True)
du_cmd = "du -bks %s" % hdddir
out = exec_cmd(du_cmd)
blocks = int(out.split()[0])
extra_blocks = part.get_extra_block_count(blocks)
if extra_blocks < BOOTDD_EXTRA_SPACE:
extra_blocks = BOOTDD_EXTRA_SPACE
blocks += extra_blocks
logger.debug("Added %d extra blocks to %s to get to %d total blocks",
extra_blocks, part.mountpoint, blocks)
# dosfs image, created by mkdosfs
bootimg = "%s/boot.img" % cr_workdir
dosfs_cmd = "mkdosfs -n efi -C %s %d" % (bootimg, blocks)
exec_cmd(dosfs_cmd)
mcopy_cmd = "mcopy -i %s -s %s/* ::/" % (bootimg, hdddir)
exec_cmd(mcopy_cmd, True)
chmod_cmd = "chmod 644 %s" % bootimg
exec_cmd(chmod_cmd)
du_cmd = "du -Lbks %s" % bootimg
out = exec_cmd(du_cmd)
bootimg_size = out.split()[0]
part.size = int(bootimg_size)
part.source_file = bootimg
def do_prepare_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir, rootfs_dir,
native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
In this case, prepare content for an EFI (grub) boot partition.
"""
if not kernel_dir:
kernel_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
if not kernel_dir:
raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting")
staging_kernel_dir = kernel_dir
hdddir = "%s/hdd/boot" % cr_workdir
try:
if source_params['loader'] == 'grub-efi':
shutil.copyfile("%s/hdd/boot/EFI/BOOT/grub.cfg" % cr_workdir,
"%s/grub.cfg" % cr_workdir)
shutil.copyfile(
"%s/hdd/boot/EFI/BOOT/grub-mkimage.cfg" % cr_workdir,
"%s/grub-mkimage.cfg" % cr_workdir)
for mod in [
x for x in os.listdir(kernel_dir)
if x.startswith("grub-efi-")
]:
cp_cmd = "cp %s/%s %s/EFI/BOOT/%s" % (kernel_dir, mod,
hdddir, mod[9:])
exec_cmd(cp_cmd, True)
shutil.move("%s/grub.cfg" % cr_workdir,
"%s/hdd/boot/EFI/BOOT/grub.cfg" % cr_workdir)
distro_arch = get_bitbake_var("DISTRO_ARCH")
if not distro_arch:
raise WicError("Couldn't find target architecture")
if distro_arch == "amd64":
grub_target = 'x86_64-efi'
grub_image = "bootx64.efi"
elif distro_arch == "i386":
grub_target = 'i386-efi'
grub_image = "bootia32.efi"
else:
raise WicError("grub-efi is incompatible with target %s" %
distro_arch)
bootimg_dir = "%s/hdd/boot" % cr_workdir
if not os.path.isfile("%s/EFI/BOOT/%s" \
% (bootimg_dir, grub_image)):
# TODO: check that grub-mkimage is available
grub_cmd = "grub-mkimage -p /EFI/BOOT "
grub_cmd += "-c %s/grub-mkimage.cfg " % cr_workdir
grub_cmd += "-O %s -o %s/EFI/BOOT/%s " \
% (grub_target, bootimg_dir, grub_image)
grub_cmd += "part_gpt part_msdos ntfs ntfscomp fat ext2 "
grub_cmd += "normal chain boot configfile linux multiboot "
grub_cmd += "search efi_gop efi_uga font gfxterm gfxmenu "
grub_cmd += "terminal minicmd test iorw loadenv echo help "
grub_cmd += "reboot serial terminfo iso9660 loopback tar "
grub_cmd += "memdisk ls search_fs_uuid udf btrfs xfs lvm "
grub_cmd += "reiserfs ata "
exec_cmd(grub_cmd)
elif source_params['loader'] == 'systemd-boot':
for mod in [
x for x in os.listdir(kernel_dir)
if x.startswith("systemd-")
]:
cp_cmd = "cp %s/%s %s/EFI/BOOT/%s" % (kernel_dir, mod,
hdddir, mod[8:])
exec_cmd(cp_cmd, True)
else:
raise WicError("unrecognized bootimg-efi-isar loader: %s" %
source_params['loader'])
except KeyError:
raise WicError(
"bootimg-efi-isar requires a loader, none specified")
startup = os.path.join(kernel_dir, "startup.nsh")
if os.path.exists(startup):
cp_cmd = "cp %s %s/" % (startup, hdddir)
exec_cmd(cp_cmd, True)
du_cmd = "du -bks %s" % hdddir
out = exec_cmd(du_cmd)
blocks = int(out.split()[0])
extra_blocks = part.get_extra_block_count(blocks)
if extra_blocks < BOOTDD_EXTRA_SPACE:
extra_blocks = BOOTDD_EXTRA_SPACE
blocks += extra_blocks
logger.debug("Added %d extra blocks to %s to get to %d total blocks",
extra_blocks, part.mountpoint, blocks)
# dosfs image, created by mkdosfs
bootimg = "%s/boot.img" % cr_workdir
dosfs_cmd = "mkdosfs -n efi -C %s %d" % (bootimg, blocks)
exec_cmd(dosfs_cmd)
mcopy_cmd = "mcopy -i %s -s %s/* ::/" % (bootimg, hdddir)
exec_cmd(mcopy_cmd, True)
chmod_cmd = "chmod 644 %s" % bootimg
exec_cmd(chmod_cmd)
du_cmd = "du -Lbks %s" % bootimg
out = exec_cmd(du_cmd)
bootimg_size = out.split()[0]
part.size = int(bootimg_size)
part.source_file = bootimg
def do_prepare_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir,
rootfs_dir, native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
In this case, prepare content for legacy bios boot partition.
"""
syslinux_dir = cls._get_syslinux_dir(bootimg_dir)
staging_kernel_dir = kernel_dir
kernel = get_bitbake_var("KERNEL_IMAGE")
initrd = get_bitbake_var("INITRD_IMAGE")
hdddir = "%s/hdd/boot" % cr_workdir
cmds = ("install -m 0644 %s/%s %s/%s" %
(staging_kernel_dir, kernel, hdddir, kernel),
"install -m 0644 %s/%s %s/%s" %
(staging_kernel_dir, initrd, hdddir, initrd),
"install -m 444 %s/modules/bios/ldlinux.c32 %s/ldlinux.c32" %
(syslinux_dir, hdddir),
"install -m 0644 %s/modules/bios/vesamenu.c32 %s/vesamenu.c32" %
(syslinux_dir, hdddir),
"install -m 444 %s/modules/bios/libcom32.c32 %s/libcom32.c32" %
(syslinux_dir, hdddir),
"install -m 444 %s/modules/bios/libutil.c32 %s/libutil.c32" %
(syslinux_dir, hdddir))
for install_cmd in cmds:
exec_cmd(install_cmd)
du_cmd = "du -bks %s" % hdddir
out = exec_cmd(du_cmd)
blocks = int(out.split()[0])
extra_blocks = part.get_extra_block_count(blocks)
if extra_blocks < BOOTDD_EXTRA_SPACE:
extra_blocks = BOOTDD_EXTRA_SPACE
blocks += extra_blocks
logger.debug("Added %d extra blocks to %s to get to %d total blocks",
extra_blocks, part.mountpoint, blocks)
# dosfs image, created by mkdosfs
bootimg = "%s/boot.img" % cr_workdir
dosfs_cmd = "mkdosfs -n boot -S 512 -C %s %d" % (bootimg, blocks)
exec_native_cmd(dosfs_cmd, native_sysroot)
mcopy_cmd = "mcopy -i %s -s %s/* ::/" % (bootimg, hdddir)
exec_cmd(mcopy_cmd, native_sysroot)
syslinux_cmd = "syslinux %s" % bootimg
exec_native_cmd(syslinux_cmd, native_sysroot)
chmod_cmd = "chmod 644 %s" % bootimg
exec_cmd(chmod_cmd)
du_cmd = "du -Lbks %s" % bootimg
out = exec_cmd(du_cmd)
bootimg_size = out.split()[0]
part.size = int(bootimg_size)
part.source_file = bootimg
def do_prepare_partition(cls, part, source_params, cr, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir, rootfs_dir,
native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
In this case, does the following:
- sets up a vfat partition
- copies all files listed in IMAGE_BOOT_FILES variable
"""
hdddir = "%s/boot" % cr_workdir
install_cmd = "install -d %s" % hdddir
exec_cmd(install_cmd)
if not kernel_dir:
kernel_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
if not kernel_dir:
raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting")
logger.debug('Kernel dir: %s', bootimg_dir)
boot_files = get_bitbake_var("IMAGE_BOOT_FILES")
if not boot_files:
raise WicError('No boot files defined, IMAGE_BOOT_FILES unset')
logger.debug('Boot files: %s', boot_files)
# list of tuples (src_name, dst_name)
deploy_files = []
for src_entry in re.findall(r'[\w;\-\./\*]+', boot_files):
if ';' in src_entry:
dst_entry = tuple(src_entry.split(';'))
if not dst_entry[0] or not dst_entry[1]:
raise WicError('Malformed boot file entry: %s' % src_entry)
else:
dst_entry = (src_entry, src_entry)
logger.debug('Destination entry: %r', dst_entry)
deploy_files.append(dst_entry)
for deploy_entry in deploy_files:
src, dst = deploy_entry
install_task = []
if '*' in src:
# by default install files under their basename
entry_name_fn = os.path.basename
if dst != src:
# unless a target name was given, then treat name
# as a directory and append a basename
entry_name_fn = lambda name: \
os.path.join(dst,
os.path.basename(name))
srcs = glob(os.path.join(kernel_dir, src))
logger.debug('Globbed sources: %s', ', '.join(srcs))
for entry in srcs:
entry_dst_name = entry_name_fn(entry)
install_task.append(
(entry, os.path.join(hdddir, entry_dst_name)))
else:
install_task = [(os.path.join(kernel_dir,
src), os.path.join(hdddir, dst))]
for task in install_task:
src_path, dst_path = task
logger.debug('Install %s as %s', os.path.basename(src_path),
dst_path)
install_cmd = "install -m 0644 -D %s %s" \
% (src_path, dst_path)
exec_cmd(install_cmd)
logger.debug('Prepare boot partition using rootfs in %s', hdddir)
part.prepare_rootfs(cr_workdir, oe_builddir, hdddir, native_sysroot)
def do_prepare_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir, rootfs_dir,
native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
In this case, locate the temporary root partition and hash it.
"""
# We rely on the --label parameter and the naming convention
# in partition.py prepare_rootfs() here to find the already
# prepared rootfs partition image.
pattern = '%s/rootfs_%s.*' % (cr_workdir, part.label)
rootfs = glob.glob(pattern)
if len(rootfs) != 1:
raise WicError(
"%s shell pattern does not match exactly one rootfs image (missing --label parameter?): %s"
% (pattern, rootfs))
else:
rootfs = rootfs[0]
logger.debug("Calculating dm-verity hash for rootfs %s (native %s)." %
(rootfs, native_sysroot))
hashimg = '%s/dm-verity_%s.img' % (cr_workdir, part.label)
# Reserve some fixed amount of space at the start of the hash image
# for our own data (in particular, the signed root hash).
# The content of that part is:
# roothash=<....>
# <potentially some more assignments in the future>
# signature=<single line of base64 encoded OpenSSL sha256 digest>
header_size = 4096
ret, out = exec_native_cmd(
"veritysetup format '%s' '%s' --hash-offset=%d" %
(rootfs, hashimg, header_size), native_sysroot)
m = re.search(r'^Root hash:\s*(\S+)$', out, re.MULTILINE)
if ret or not m:
raise WicError('veritysetup failed: %s' % out)
else:
root_hash = m.group(1)
privkey = get_bitbake_var('REFKIT_DMVERITY_PRIVATE_KEY')
password = get_bitbake_var('REFKIT_DMVERITY_PASSWORD')
tmp = tempfile.mkdtemp(prefix='dm-verity-')
try:
data_filename = os.path.join(tmp, 'data')
header = ('roothash=%s\nheadersize=%d\n' %
(root_hash, header_size)).encode('ascii')
with open(data_filename, 'wb') as data:
data.write(header)
# Must use a temporary file, exec_native_cmd() only supports UTF-8 output.
signature = os.path.join(tmp, 'sig')
ret, out = exec_native_cmd(
"openssl dgst -sha256 -passin '%s' -sign '%s' -out '%s' '%s'"
% (password, privkey, signature, data_filename),
native_sysroot)
if ret:
raise WicError('openssl signing failed')
with open(signature, 'rb') as f:
header += b'signature=' + base64.standard_b64encode(
f.read()) + b'\n'
if len(header) + 1 >= header_size:
raise WicError(
'reserved space for dm-verity header too small')
with open(hashimg, 'rb+') as hash:
hash.write(header)
finally:
shutil.rmtree(tmp)
data_bytes = os.stat(rootfs).st_size
hash_bytes = os.stat(hashimg).st_size
logger.debug(
"dm-verity data partition %d bytes, hash partition %d bytes, ratio %f."
% (data_bytes, hash_bytes, data_bytes / hash_bytes))
part.size = data_bytes // 1024
part.source_file = hashimg
def do_prepare_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir, rootfs_dir,
native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
In this case, prepare content for legacy bios boot partition.
"""
def _has_syslinux(dirname):
if dirname:
syslinux = "%s/syslinux" % dirname
if os.path.exists(syslinux):
return True
return False
if not _has_syslinux(bootimg_dir):
bootimg_dir = get_bitbake_var("STAGING_DATADIR", "wic-tools")
if not bootimg_dir:
raise WicError("Couldn't find STAGING_DATADIR, exiting")
if not _has_syslinux(bootimg_dir):
raise WicError("Please build syslinux first")
# just so the result notes display it
creator.bootimg_dir = bootimg_dir
staging_kernel_dir = kernel_dir
hdddir = "%s/hdd/boot" % cr_workdir
cmds = ("install -m 0644 %s/bzImage %s/vmlinuz" %
(staging_kernel_dir, hdddir),
"install -m 444 %s/syslinux/ldlinux.sys %s/ldlinux.sys" %
(bootimg_dir, hdddir),
"install -m 0644 %s/syslinux/vesamenu.c32 %s/vesamenu.c32" %
(bootimg_dir, hdddir),
"install -m 444 %s/syslinux/libcom32.c32 %s/libcom32.c32" %
(bootimg_dir, hdddir),
"install -m 444 %s/syslinux/libutil.c32 %s/libutil.c32" %
(bootimg_dir, hdddir))
for install_cmd in cmds:
exec_cmd(install_cmd)
du_cmd = "du -bks %s" % hdddir
out = exec_cmd(du_cmd)
blocks = int(out.split()[0])
extra_blocks = part.get_extra_block_count(blocks)
if extra_blocks < BOOTDD_EXTRA_SPACE:
extra_blocks = BOOTDD_EXTRA_SPACE
blocks += extra_blocks
logger.debug("Added %d extra blocks to %s to get to %d total blocks",
extra_blocks, part.mountpoint, blocks)
# dosfs image, created by mkdosfs
bootimg = "%s/boot.img" % cr_workdir
dosfs_cmd = "mkdosfs -n boot -S 512 -C %s %d" % (bootimg, blocks)
exec_native_cmd(dosfs_cmd, native_sysroot)
mcopy_cmd = "mcopy -i %s -s %s/* ::/" % (bootimg, hdddir)
exec_native_cmd(mcopy_cmd, native_sysroot)
syslinux_cmd = "syslinux %s" % bootimg
exec_native_cmd(syslinux_cmd, native_sysroot)
chmod_cmd = "chmod 644 %s" % bootimg
exec_cmd(chmod_cmd)
du_cmd = "du -Lbks %s" % bootimg
out = exec_cmd(du_cmd)
bootimg_size = out.split()[0]
part.size = int(bootimg_size)
part.source_file = bootimg
def do_configure_systemdboot(cls, hdddir, creator, cr_workdir, source_params):
"""
Create loader-specific systemd-boot/gummiboot config
"""
install_cmd = "install -d %s/loader" % hdddir
exec_cmd(install_cmd)
install_cmd = "install -d %s/loader/entries" % hdddir
exec_cmd(install_cmd)
bootloader = creator.ks.bootloader
loader_conf = ""
loader_conf += "default boot\n"
loader_conf += "timeout %d\n" % bootloader.timeout
initrd = source_params.get('initrd')
if initrd:
# obviously we need to have a common common deploy var
bootimg_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
if not bootimg_dir:
msger.error("Couldn't find DEPLOY_DIR_IMAGE, exiting\n")
cp_cmd = "cp %s/%s %s" % (bootimg_dir, initrd, hdddir)
exec_cmd(cp_cmd, True)
else:
msger.debug("Ignoring missing initrd")
msger.debug("Writing systemd-boot config %s/hdd/boot/loader/loader.conf" \
% cr_workdir)
cfg = open("%s/hdd/boot/loader/loader.conf" % cr_workdir, "w")
cfg.write(loader_conf)
cfg.close()
configfile = creator.ks.bootloader.configfile
custom_cfg = None
if configfile:
custom_cfg = get_custom_config(configfile)
if custom_cfg:
# Use a custom configuration for systemd-boot
boot_conf = custom_cfg
msger.debug("Using custom configuration file "
"%s for systemd-boots's boot.conf" % configfile)
else:
msger.error("configfile is specified but failed to "
"get it from %s." % configfile)
if not custom_cfg:
# Create systemd-boot configuration using parameters from wks file
kernel = "/bzImage"
boot_conf = ""
boot_conf += "title boot\n"
boot_conf += "linux %s\n" % kernel
boot_conf += "options LABEL=Boot root=%s %s\n" % \
(creator.rootdev, bootloader.append)
if initrd:
boot_conf += "initrd /%s\n" % initrd
msger.debug("Writing systemd-boot config %s/hdd/boot/loader/entries/boot.conf" \
% cr_workdir)
cfg = open("%s/hdd/boot/loader/entries/boot.conf" % cr_workdir, "w")
cfg.write(boot_conf)
cfg.close()
def do_prepare_partition(cls, part, source_params, creator, cr_workdir,
oe_builddir, bootimg_dir, kernel_dir,
rootfs_dir, native_sysroot):
"""
Called to do the actual content population for a partition i.e. it
'prepares' the partition to be incorporated into the image.
In this case, prepare content for an EFI (grub) boot partition.
"""
if not bootimg_dir:
bootimg_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
if not bootimg_dir:
msger.error("Couldn't find DEPLOY_DIR_IMAGE, exiting\n")
# just so the result notes display it
creator.bootimg_dir = bootimg_dir
staging_kernel_dir = kernel_dir
hdddir = "%s/hdd/boot" % cr_workdir
install_cmd = "install -m 0644 %s/bzImage %s/bzImage" % \
(staging_kernel_dir, hdddir)
exec_cmd(install_cmd)
try:
if source_params['loader'] == 'grub-efi':
shutil.copyfile("%s/hdd/boot/EFI/BOOT/grub.cfg" % cr_workdir,
"%s/grub.cfg" % cr_workdir)
for mod in [x for x in os.listdir(bootimg_dir) if x.startswith("grub-efi-")]:
cp_cmd = "cp %s/%s %s/EFI/BOOT/%s" % (bootimg_dir, mod, hdddir, mod[9:])
exec_cmd(cp_cmd, True)
shutil.move("%s/grub.cfg" % cr_workdir,
"%s/hdd/boot/EFI/BOOT/grub.cfg" % cr_workdir)
elif source_params['loader'] == 'systemd-boot':
for mod in [x for x in os.listdir(bootimg_dir) if x.startswith("systemd-")]:
cp_cmd = "cp %s/%s %s/EFI/BOOT/%s" % (bootimg_dir, mod, hdddir, mod[8:])
exec_cmd(cp_cmd, True)
else:
msger.error("unrecognized bootimg-efi loader: %s" % source_params['loader'])
except KeyError:
msger.error("bootimg-efi requires a loader, none specified")
startup = os.path.join(bootimg_dir, "startup.nsh")
if os.path.exists(startup):
cp_cmd = "cp %s %s/" % (startup, hdddir)
exec_cmd(cp_cmd, True)
du_cmd = "du -bks %s" % hdddir
out = exec_cmd(du_cmd)
blocks = int(out.split()[0])
extra_blocks = part.get_extra_block_count(blocks)
if extra_blocks < BOOTDD_EXTRA_SPACE:
extra_blocks = BOOTDD_EXTRA_SPACE
blocks += extra_blocks
msger.debug("Added %d extra blocks to %s to get to %d total blocks" % \
(extra_blocks, part.mountpoint, blocks))
# dosfs image, created by mkdosfs
bootimg = "%s/boot.img" % cr_workdir
dosfs_cmd = "mkdosfs -n efi -C %s %d" % (bootimg, blocks)
exec_native_cmd(dosfs_cmd, native_sysroot)
mcopy_cmd = "mcopy -i %s -s %s/* ::/" % (bootimg, hdddir)
exec_native_cmd(mcopy_cmd, native_sysroot)
chmod_cmd = "chmod 644 %s" % bootimg
exec_cmd(chmod_cmd)
du_cmd = "du -Lbks %s" % bootimg
out = exec_cmd(du_cmd)
bootimg_size = out.split()[0]
part.size = int(bootimg_size)
part.source_file = bootimg
