def prepare_empty_partition_squashfs(self, cr_workdir, oe_builddir, native_sysroot): """ Prepare an empty squashfs partition. """ msger.warning("Creating of an empty squashfs %s partition was attempted. " \ "Proceeding as requested." % self.mountpoint) path = "%s/fs_%s.%s" % (cr_workdir, self.label, self.fstype) os.path.isfile(path) and os.remove(path) # it is not possible to create a squashfs without source data, # thus prepare an empty temp dir that is used as source tmpdir = tempfile.mkdtemp() squashfs_cmd = "mksquashfs %s %s -noappend" % \ (tmpdir, path) exec_native_cmd(squashfs_cmd, native_sysroot) os.rmdir(tmpdir) # get the rootfs size in the right units for kickstart (kB) du_cmd = "du -Lbks %s" % path out = exec_cmd(du_cmd) fs_size = out.split()[0] self.size = fs_size
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