def get_rootfs_size(self, actual_rootfs_size=0):
"""
Calculate the required size of rootfs taking into consideration
--size/--fixed-size flags as well as overhead and extra space, as
specified in kickstart file. Raises an error if the
`actual_rootfs_size` is larger than fixed-size rootfs.
"""
if self.fixed_size:
rootfs_size = self.fixed_size
if actual_rootfs_size > rootfs_size:
msger.error("Actual rootfs size (%d kB) is larger than allowed size %d kB" \
%(actual_rootfs_size, rootfs_size))
else:
extra_blocks = self.get_extra_block_count(actual_rootfs_size)
if extra_blocks < self.extra_space:
extra_blocks = self.extra_space
rootfs_size = actual_rootfs_size + extra_blocks
rootfs_size *= self.overhead_factor
msger.debug("Added %d extra blocks to %s to get to %d total blocks" % \
(extra_blocks, self.mountpoint, rootfs_size))
return rootfs_size
def prepare(self, creator, cr_workdir, oe_builddir, rootfs_dir, bootimg_dir,
kernel_dir, native_sysroot):
"""
Prepare content for individual partitions, depending on
partition command parameters.
"""
self.sourceparams_dict = {}
if self.sourceparams:
self.sourceparams_dict = parse_sourceparams(self.sourceparams)
if not self.source:
if not self.size:
msger.error("The %s partition has a size of zero. Please "
"specify a non-zero --size for that partition." % \
self.mountpoint)
if self.fstype and self.fstype == "swap":
self.prepare_swap_partition(cr_workdir, oe_builddir,
native_sysroot)
elif self.fstype:
rootfs = "%s/fs_%s.%s.%s" % (cr_workdir, self.label,
self.lineno, self.fstype)
if os.path.isfile(rootfs):
os.remove(rootfs)
for prefix in ("ext", "btrfs", "vfat", "squashfs"):
if self.fstype.startswith(prefix):
method = getattr(self,
"prepare_empty_partition_" + prefix)
method(rootfs, oe_builddir, native_sysroot)
self.source_file = rootfs
break
return
plugins = pluginmgr.get_source_plugins()
if self.source not in plugins:
msger.error("The '%s' --source specified for %s doesn't exist.\n\t"
"See 'wic list source-plugins' for a list of available"
" --sources.\n\tSee 'wic help source-plugins' for "
"details on adding a new source plugin." % \
(self.source, self.mountpoint))
self._source_methods = pluginmgr.get_source_plugin_methods(\
self.source, partition_methods)
self._source_methods["do_configure_partition"](self, self.sourceparams_dict,
creator, cr_workdir,
oe_builddir,
bootimg_dir,
kernel_dir,
native_sysroot)
self._source_methods["do_stage_partition"](self, self.sourceparams_dict,
creator, cr_workdir,
oe_builddir,
bootimg_dir, kernel_dir,
native_sysroot)
self._source_methods["do_prepare_partition"](self, self.sourceparams_dict,
creator, cr_workdir,
oe_builddir,
bootimg_dir, kernel_dir, rootfs_dir,
native_sysroot)
def get_rootfs_size(self, actual_rootfs_size=0):
"""
Calculate the required size of rootfs taking into consideration
--size/--fixed-size flags as well as overhead and extra space, as
specified in kickstart file. Raises an error if the
`actual_rootfs_size` is larger than fixed-size rootfs.
"""
if self.fixed_size:
rootfs_size = self.fixed_size
if actual_rootfs_size > rootfs_size:
msger.error("Actual rootfs size (%d kB) is larger than allowed size %d kB" \
%(actual_rootfs_size, rootfs_size))
else:
extra_blocks = self.get_extra_block_count(actual_rootfs_size)
if extra_blocks < self.extra_space:
extra_blocks = self.extra_space
rootfs_size = actual_rootfs_size + extra_blocks
rootfs_size *= self.overhead_factor
msger.debug("Added %d extra blocks to %s to get to %d total blocks" % \
(extra_blocks, self.mountpoint, rootfs_size))
return rootfs_size
def prepare(self, creator, cr_workdir, oe_builddir, rootfs_dir,
bootimg_dir, kernel_dir, native_sysroot):
"""
Prepare content for individual partitions, depending on
partition command parameters.
"""
if self.sourceparams:
self.sourceparams_dict = parse_sourceparams(self.sourceparams)
if not self.source:
if not self.size:
msger.error("The %s partition has a size of zero. Please "
"specify a non-zero --size for that partition." % \
self.mountpoint)
if self.fstype and self.fstype == "swap":
self.prepare_swap_partition(cr_workdir, oe_builddir,
native_sysroot)
self.source_file = "%s/fs.%s" % (cr_workdir, self.fstype)
elif self.fstype:
rootfs = "%s/fs_%s.%s.%s" % (cr_workdir, self.label,
self.lineno, self.fstype)
if os.path.isfile(rootfs):
os.remove(rootfs)
for prefix in ("ext", "btrfs", "vfat", "squashfs"):
if self.fstype.startswith(prefix):
method = getattr(self,
"prepare_empty_partition_" + prefix)
method(rootfs, oe_builddir, native_sysroot)
self.source_file = rootfs
break
return
plugins = pluginmgr.get_source_plugins()
if self.source not in plugins:
msger.error("The '%s' --source specified for %s doesn't exist.\n\t"
"See 'wic list source-plugins' for a list of available"
" --sources.\n\tSee 'wic help source-plugins' for "
"details on adding a new source plugin." % \
(self.source, self.mountpoint))
self._source_methods = pluginmgr.get_source_plugin_methods(\
self.source, partition_methods)
self._source_methods["do_configure_partition"](self, self.sourceparams_dict,
creator, cr_workdir,
oe_builddir,
bootimg_dir,
kernel_dir,
native_sysroot)
self._source_methods["do_stage_partition"](self, self.sourceparams_dict,
creator, cr_workdir,
oe_builddir,
bootimg_dir, kernel_dir,
native_sysroot)
self._source_methods["do_prepare_partition"](self, self.sourceparams_dict,
creator, cr_workdir,
oe_builddir,
bootimg_dir, kernel_dir, rootfs_dir,
native_sysroot)
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:
msger.error("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:
msger.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:
msger.error("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:
msger.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/usr/bin/pseudo " % native_sysroot
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:
msger.error("File system for partition %s not specified in kickstart, " \
"use --fstype option" % (self.mountpoint))
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/usr/bin/pseudo " % native_sysroot
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:
msger.error("File system for partition %s not specified in kickstart, " \
"use --fstype option" % (self.mountpoint))
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(self, creator, cr_workdir, oe_builddir, rootfs_dir,
bootimg_dir, kernel_dir, native_sysroot):
"""
Prepare content for individual partitions, depending on
partition command parameters.
"""
if self.sourceparams:
self.sourceparams_dict = parse_sourceparams(self.sourceparams)
if not self.source:
if not self.size and not self.fixed_size:
msger.error("The %s partition has a size of zero. Please "
"specify a non-zero --size/--fixed-size for that partition." % \
self.mountpoint)
if self.fstype and self.fstype == "swap":
self.prepare_swap_partition(cr_workdir, oe_builddir,
native_sysroot)
self.source_file = "%s/fs.%s" % (cr_workdir, self.fstype)
elif self.fstype:
rootfs = "%s/fs_%s.%s.%s" % (cr_workdir, self.label,
self.lineno, self.fstype)
if os.path.isfile(rootfs):
os.remove(rootfs)
for prefix in ("ext", "btrfs", "vfat", "squashfs"):
if self.fstype.startswith(prefix):
method = getattr(self,
"prepare_empty_partition_" + prefix)
method(rootfs, oe_builddir, native_sysroot)
self.source_file = rootfs
break
return
plugins = pluginmgr.get_source_plugins()
if self.source not in plugins:
msger.error("The '%s' --source specified for %s doesn't exist.\n\t"
"See 'wic list source-plugins' for a list of available"
" --sources.\n\tSee 'wic help source-plugins' for "
"details on adding a new source plugin." % \
(self.source, self.mountpoint))
self._source_methods = pluginmgr.get_source_plugin_methods(\
self.source, partition_methods)
self._source_methods["do_configure_partition"](
self, self.sourceparams_dict, creator, cr_workdir, oe_builddir,
bootimg_dir, kernel_dir, native_sysroot)
self._source_methods["do_stage_partition"](self,
self.sourceparams_dict,
creator, cr_workdir,
oe_builddir, bootimg_dir,
kernel_dir, native_sysroot)
self._source_methods["do_prepare_partition"](
self, self.sourceparams_dict, creator, cr_workdir, oe_builddir,
bootimg_dir, kernel_dir, rootfs_dir, native_sysroot)
# further processing required Partition.size to be an integer, make
# sure that it is one
if type(self.size) is not int:
msger.error("Partition %s internal size is not an integer. " \
"This a bug in source plugin %s and needs to be fixed." \
% (self.mountpoint, self.source))
if self.fixed_size and self.size > self.fixed_size:
msger.error("File system image of partition %s is larger (%d kB) than its"\
"allowed size %d kB" % (self.mountpoint,
self.size, self.fixed_size))
def prepare(self, creator, cr_workdir, oe_builddir, rootfs_dir,
bootimg_dir, kernel_dir, native_sysroot):
"""
Prepare content for individual partitions, depending on
partition command parameters.
"""
if self.sourceparams:
self.sourceparams_dict = parse_sourceparams(self.sourceparams)
if not self.source:
if not self.size and not self.fixed_size:
msger.error("The %s partition has a size of zero. Please "
"specify a non-zero --size/--fixed-size for that partition." % \
self.mountpoint)
if self.fstype and self.fstype == "swap":
self.prepare_swap_partition(cr_workdir, oe_builddir,
native_sysroot)
self.source_file = "%s/fs.%s" % (cr_workdir, self.fstype)
elif self.fstype:
rootfs = "%s/fs_%s.%s.%s" % (cr_workdir, self.label,
self.lineno, self.fstype)
if os.path.isfile(rootfs):
os.remove(rootfs)
for prefix in ("ext", "btrfs", "vfat", "squashfs"):
if self.fstype.startswith(prefix):
method = getattr(self,
"prepare_empty_partition_" + prefix)
method(rootfs, oe_builddir, native_sysroot)
self.source_file = rootfs
break
return
plugins = pluginmgr.get_source_plugins()
if self.source not in plugins:
msger.error("The '%s' --source specified for %s doesn't exist.\n\t"
"See 'wic list source-plugins' for a list of available"
" --sources.\n\tSee 'wic help source-plugins' for "
"details on adding a new source plugin." % \
(self.source, self.mountpoint))
self._source_methods = pluginmgr.get_source_plugin_methods(\
self.source, partition_methods)
self._source_methods["do_configure_partition"](self, self.sourceparams_dict,
creator, cr_workdir,
oe_builddir,
bootimg_dir,
kernel_dir,
native_sysroot)
self._source_methods["do_stage_partition"](self, self.sourceparams_dict,
creator, cr_workdir,
oe_builddir,
bootimg_dir, kernel_dir,
native_sysroot)
self._source_methods["do_prepare_partition"](self, self.sourceparams_dict,
creator, cr_workdir,
oe_builddir,
bootimg_dir, kernel_dir, rootfs_dir,
native_sysroot)
# further processing required Partition.size to be an integer, make
# sure that it is one
if type(self.size) is not int:
msger.error("Partition %s internal size is not an integer. " \
"This a bug in source plugin %s and needs to be fixed." \
% (self.mountpoint, self.source))
if self.fixed_size and self.size > self.fixed_size:
msger.error("File system image of partition %s is larger (%d kB) than its"\
"allowed size %d kB" % (self.mountpoint,
self.size, self.fixed_size))