diff options
Diffstat (limited to 'poky/scripts/lib/wic/plugins')
| -rw-r--r-- | poky/scripts/lib/wic/plugins/imager/direct.py | 607 | ||||
| -rw-r--r-- | poky/scripts/lib/wic/plugins/source/bootimg-efi.py | 258 | ||||
| -rw-r--r-- | poky/scripts/lib/wic/plugins/source/bootimg-partition.py | 132 | ||||
| -rw-r--r-- | poky/scripts/lib/wic/plugins/source/bootimg-pcbios.py | 207 | ||||
| -rw-r--r-- | poky/scripts/lib/wic/plugins/source/isoimage-isohybrid.py | 466 | ||||
| -rw-r--r-- | poky/scripts/lib/wic/plugins/source/rawcopy.py | 91 | ||||
| -rw-r--r-- | poky/scripts/lib/wic/plugins/source/rootfs.py | 126 |
7 files changed, 1887 insertions, 0 deletions
diff --git a/poky/scripts/lib/wic/plugins/imager/direct.py b/poky/scripts/lib/wic/plugins/imager/direct.py new file mode 100644 index 000000000..1fa6b917e --- /dev/null +++ b/poky/scripts/lib/wic/plugins/imager/direct.py @@ -0,0 +1,607 @@ +# ex:ts=4:sw=4:sts=4:et +# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- +# +# Copyright (c) 2013, Intel Corporation. +# All rights reserved. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +# +# DESCRIPTION +# This implements the 'direct' imager plugin class for 'wic' +# +# AUTHORS +# Tom Zanussi <tom.zanussi (at] linux.intel.com> +# + +import logging +import os +import random +import shutil +import tempfile +import uuid + +from time import strftime + +from oe.path import copyhardlinktree + +from wic import WicError +from wic.filemap import sparse_copy +from wic.ksparser import KickStart, KickStartError +from wic.pluginbase import PluginMgr, ImagerPlugin +from wic.misc import get_bitbake_var, exec_cmd, exec_native_cmd + +logger = logging.getLogger('wic') + +class DirectPlugin(ImagerPlugin): + """ + Install a system into a file containing a partitioned disk image. + + An image file is formatted with a partition table, each partition + created from a rootfs or other OpenEmbedded build artifact and dd'ed + into the virtual disk. The disk image can subsequently be dd'ed onto + media and used on actual hardware. + """ + name = 'direct' + + def __init__(self, wks_file, rootfs_dir, bootimg_dir, kernel_dir, + native_sysroot, oe_builddir, options): + try: + self.ks = KickStart(wks_file) + except KickStartError as err: + raise WicError(str(err)) + + # parse possible 'rootfs=name' items + self.rootfs_dir = dict(rdir.split('=') for rdir in rootfs_dir.split(' ')) + self.replaced_rootfs_paths = {} + self.bootimg_dir = bootimg_dir + self.kernel_dir = kernel_dir + self.native_sysroot = native_sysroot + self.oe_builddir = oe_builddir + + self.outdir = options.outdir + self.compressor = options.compressor + self.bmap = options.bmap + self.no_fstab_update = options.no_fstab_update + + self.name = "%s-%s" % (os.path.splitext(os.path.basename(wks_file))[0], + strftime("%Y%m%d%H%M")) + self.workdir = tempfile.mkdtemp(dir=self.outdir, prefix='tmp.wic.') + self._image = None + self.ptable_format = self.ks.bootloader.ptable + self.parts = self.ks.partitions + + # as a convenience, set source to the boot partition source + # instead of forcing it to be set via bootloader --source + for part in self.parts: + if not self.ks.bootloader.source and part.mountpoint == "/boot": + self.ks.bootloader.source = part.source + break + + image_path = self._full_path(self.workdir, self.parts[0].disk, "direct") + self._image = PartitionedImage(image_path, self.ptable_format, + self.parts, self.native_sysroot) + + def do_create(self): + """ + Plugin entry point. + """ + try: + self.create() + self.assemble() + self.finalize() + self.print_info() + finally: + self.cleanup() + + def _write_fstab(self, image_rootfs): + """overriden to generate fstab (temporarily) in rootfs. This is called + from _create, make sure it doesn't get called from + BaseImage.create() + """ + if not image_rootfs: + return + + fstab_path = image_rootfs + "/etc/fstab" + if not os.path.isfile(fstab_path): + return + + with open(fstab_path) as fstab: + fstab_lines = fstab.readlines() + + if self._update_fstab(fstab_lines, self.parts): + # copy rootfs dir to workdir to update fstab + # as rootfs can be used by other tasks and can't be modified + new_rootfs = os.path.realpath(os.path.join(self.workdir, "rootfs_copy")) + copyhardlinktree(image_rootfs, new_rootfs) + fstab_path = os.path.join(new_rootfs, 'etc/fstab') + + os.unlink(fstab_path) + + with open(fstab_path, "w") as fstab: + fstab.writelines(fstab_lines) + + return new_rootfs + + def _update_fstab(self, fstab_lines, parts): + """Assume partition order same as in wks""" + updated = False + for part in parts: + if not part.realnum or not part.mountpoint \ + or part.mountpoint == "/": + continue + + if part.use_uuid: + if part.fsuuid: + # FAT UUID is different from others + if len(part.fsuuid) == 10: + device_name = "UUID=%s-%s" % \ + (part.fsuuid[2:6], part.fsuuid[6:]) + else: + device_name = "UUID=%s" % part.fsuuid + else: + device_name = "PARTUUID=%s" % part.uuid + else: + # mmc device partitions are named mmcblk0p1, mmcblk0p2.. + prefix = 'p' if part.disk.startswith('mmcblk') else '' + device_name = "/dev/%s%s%d" % (part.disk, prefix, part.realnum) + + opts = part.fsopts if part.fsopts else "defaults" + line = "\t".join([device_name, part.mountpoint, part.fstype, + opts, "0", "0"]) + "\n" + + fstab_lines.append(line) + updated = True + + return updated + + def _full_path(self, path, name, extention): + """ Construct full file path to a file we generate. """ + return os.path.join(path, "%s-%s.%s" % (self.name, name, extention)) + + # + # Actual implemention + # + 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. + """ + if self.no_fstab_update: + new_rootfs = None + else: + new_rootfs = self._write_fstab(self.rootfs_dir.get("ROOTFS_DIR")) + if new_rootfs: + # rootfs was copied to update fstab + self.replaced_rootfs_paths[new_rootfs] = self.rootfs_dir['ROOTFS_DIR'] + self.rootfs_dir['ROOTFS_DIR'] = new_rootfs + + 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) + self._image.layout_partitions() + self._image.create() + + def assemble(self): + """ + Assemble partitions into disk image + """ + self._image.assemble() + + def finalize(self): + """ + Finalize the disk image. + + For example, prepare the image to be bootable by e.g. + creating and installing a bootloader configuration. + """ + source_plugin = self.ks.bootloader.source + disk_name = self.parts[0].disk + if source_plugin: + plugin = PluginMgr.get_plugins('source')[source_plugin] + plugin.do_install_disk(self._image, disk_name, self, self.workdir, + self.oe_builddir, self.bootimg_dir, + self.kernel_dir, self.native_sysroot) + + full_path = self._image.path + # Generate .bmap + if self.bmap: + logger.debug("Generating bmap file for %s", disk_name) + python = os.path.join(self.native_sysroot, 'usr/bin/python3-native/python3') + bmaptool = os.path.join(self.native_sysroot, 'usr/bin/bmaptool') + exec_native_cmd("%s %s create %s -o %s.bmap" % \ + (python, bmaptool, full_path, full_path), self.native_sysroot) + # Compress the image + if self.compressor: + logger.debug("Compressing disk %s with %s", disk_name, self.compressor) + exec_cmd("%s %s" % (self.compressor, full_path)) + + def print_info(self): + """ + Print the image(s) and artifacts used, for the user. + """ + msg = "The new image(s) can be found here:\n" + + extension = "direct" + {"gzip": ".gz", + "bzip2": ".bz2", + "xz": ".xz", + None: ""}.get(self.compressor) + full_path = self._full_path(self.outdir, self.parts[0].disk, extension) + msg += ' %s\n\n' % full_path + + msg += 'The following build artifacts were used to create the image(s):\n' + for part in self.parts: + if part.rootfs_dir is None: + continue + if part.mountpoint == '/': + suffix = ':' + else: + suffix = '["%s"]:' % (part.mountpoint or part.label) + rootdir = part.rootfs_dir + if rootdir in self.replaced_rootfs_paths: + rootdir = self.replaced_rootfs_paths[rootdir] + msg += ' ROOTFS_DIR%s%s\n' % (suffix.ljust(20), rootdir) + + msg += ' BOOTIMG_DIR: %s\n' % self.bootimg_dir + msg += ' KERNEL_DIR: %s\n' % self.kernel_dir + msg += ' NATIVE_SYSROOT: %s\n' % self.native_sysroot + + logger.info(msg) + + @property + def rootdev(self): + """ + Get root device name to use as a 'root' parameter + in kernel command line. + + Assume partition order same as in wks + """ + for part in self.parts: + if part.mountpoint == "/": + if part.uuid: + return "PARTUUID=%s" % part.uuid + else: + suffix = 'p' if part.disk.startswith('mmcblk') else '' + return "/dev/%s%s%-d" % (part.disk, suffix, part.realnum) + + def cleanup(self): + if self._image: + self._image.cleanup() + + # Move results to the output dir + if not os.path.exists(self.outdir): + os.makedirs(self.outdir) + + for fname in os.listdir(self.workdir): + path = os.path.join(self.workdir, fname) + if os.path.isfile(path): + shutil.move(path, os.path.join(self.outdir, fname)) + + # remove work directory + shutil.rmtree(self.workdir, ignore_errors=True) + +# Overhead of the MBR partitioning scheme (just one sector) +MBR_OVERHEAD = 1 + +# Overhead of the GPT partitioning scheme +GPT_OVERHEAD = 34 + +# Size of a sector in bytes +SECTOR_SIZE = 512 + +class PartitionedImage(): + """ + Partitioned image in a file. + """ + + def __init__(self, path, ptable_format, partitions, native_sysroot=None): + self.path = path # Path to the image file + self.numpart = 0 # Number of allocated partitions + self.realpart = 0 # Number of partitions in the partition table + self.offset = 0 # Offset of next partition (in sectors) + self.min_size = 0 # Minimum required disk size to fit + # all partitions (in bytes) + self.ptable_format = ptable_format # Partition table format + # Disk system identifier + self.identifier = random.SystemRandom().randint(1, 0xffffffff) + + self.partitions = partitions + self.partimages = [] + # Size of a sector used in calculations + self.sector_size = SECTOR_SIZE + self.native_sysroot = native_sysroot + + # calculate the real partition number, accounting for partitions not + # in the partition table and logical partitions + realnum = 0 + for part in self.partitions: + if part.no_table: + part.realnum = 0 + else: + realnum += 1 + if self.ptable_format == 'msdos' and realnum > 3 and len(partitions) > 4: + part.realnum = realnum + 1 + continue + part.realnum = realnum + + # generate parition and filesystem UUIDs + for part in self.partitions: + if not part.uuid and part.use_uuid: + if self.ptable_format == 'gpt': + part.uuid = str(uuid.uuid4()) + else: # msdos partition table + part.uuid = '%08x-%02d' % (self.identifier, part.realnum) + if not part.fsuuid: + if part.fstype == 'vfat' or part.fstype == 'msdos': + part.fsuuid = '0x' + str(uuid.uuid4())[:8].upper() + else: + part.fsuuid = str(uuid.uuid4()) + + def prepare(self, imager): + """Prepare an image. Call prepare method of all image partitions.""" + for part in self.partitions: + # need to create the filesystems in order to get their + # sizes before we can add them and do the layout. + part.prepare(imager, imager.workdir, imager.oe_builddir, + imager.rootfs_dir, imager.bootimg_dir, + imager.kernel_dir, imager.native_sysroot) + + # Converting kB to sectors for parted + part.size_sec = part.disk_size * 1024 // self.sector_size + + def layout_partitions(self): + """ Layout the partitions, meaning calculate the position of every + partition on the disk. The 'ptable_format' parameter defines the + partition table format and may be "msdos". """ + + logger.debug("Assigning %s partitions to disks", self.ptable_format) + + # The number of primary and logical partitions. Extended partition and + # partitions not listed in the table are not included. + num_real_partitions = len([p for p in self.partitions if not p.no_table]) + + # Go through partitions in the order they are added in .ks file + for num in range(len(self.partitions)): + part = self.partitions[num] + + if self.ptable_format == 'msdos' and part.part_name: + raise WicError("setting custom partition name is not " \ + "implemented for msdos partitions") + + if self.ptable_format == 'msdos' and part.part_type: + # The --part-type can also be implemented for MBR partitions, + # in which case it would map to the 1-byte "partition type" + # filed at offset 3 of the partition entry. + raise WicError("setting custom partition type is not " \ + "implemented for msdos partitions") + + # Get the disk where the partition is located + self.numpart += 1 + if not part.no_table: + self.realpart += 1 + + if self.numpart == 1: + if self.ptable_format == "msdos": + overhead = MBR_OVERHEAD + elif self.ptable_format == "gpt": + overhead = GPT_OVERHEAD + + # Skip one sector required for the partitioning scheme overhead + self.offset += overhead + + if self.realpart > 3 and num_real_partitions > 4: + # Reserve a sector for EBR for every logical partition + # before alignment is performed. + if self.ptable_format == "msdos": + self.offset += 1 + + if part.align: + # If not first partition and we do have alignment set we need + # to align the partition. + # FIXME: This leaves a empty spaces to the disk. To fill the + # gaps we could enlargea the previous partition? + + # Calc how much the alignment is off. + align_sectors = self.offset % (part.align * 1024 // self.sector_size) + + if align_sectors: + # If partition is not aligned as required, we need + # to move forward to the next alignment point + align_sectors = (part.align * 1024 // self.sector_size) - align_sectors + + logger.debug("Realignment for %s%s with %s sectors, original" + " offset %s, target alignment is %sK.", + part.disk, self.numpart, align_sectors, + self.offset, part.align) + + # increase the offset so we actually start the partition on right alignment + self.offset += align_sectors + + part.start = self.offset + self.offset += part.size_sec + + part.type = 'primary' + if not part.no_table: + part.num = self.realpart + else: + part.num = 0 + + if self.ptable_format == "msdos": + # only count the partitions that are in partition table + if num_real_partitions > 4: + if self.realpart > 3: + part.type = 'logical' + part.num = self.realpart + 1 + + logger.debug("Assigned %s to %s%d, sectors range %d-%d size %d " + "sectors (%d bytes).", part.mountpoint, part.disk, + part.num, part.start, self.offset - 1, part.size_sec, + part.size_sec * self.sector_size) + + # Once all the partitions have been layed out, we can calculate the + # minumim disk size + self.min_size = self.offset + if self.ptable_format == "gpt": + self.min_size += GPT_OVERHEAD + + self.min_size *= self.sector_size + + def _create_partition(self, device, parttype, fstype, start, size): + """ Create a partition on an image described by the 'device' object. """ + + # Start is included to the size so we need to substract one from the end. + end = start + size - 1 + logger.debug("Added '%s' partition, sectors %d-%d, size %d sectors", + parttype, start, end, size) + + cmd = "parted -s %s unit s mkpart %s" % (device, parttype) + if fstype: + cmd += " %s" % fstype + cmd += " %d %d" % (start, end) + + return exec_native_cmd(cmd, self.native_sysroot) + + def create(self): + logger.debug("Creating sparse file %s", self.path) + with open(self.path, 'w') as sparse: + os.ftruncate(sparse.fileno(), self.min_size) + + logger.debug("Initializing partition table for %s", self.path) + exec_native_cmd("parted -s %s mklabel %s" % + (self.path, self.ptable_format), self.native_sysroot) + + logger.debug("Set disk identifier %x", self.identifier) + with open(self.path, 'r+b') as img: + img.seek(0x1B8) + img.write(self.identifier.to_bytes(4, 'little')) + + logger.debug("Creating partitions") + + for part in self.partitions: + if part.num == 0: + continue + + if self.ptable_format == "msdos" and part.num == 5: + # Create an extended partition (note: extended + # partition is described in MBR and contains all + # logical partitions). The logical partitions save a + # sector for an EBR just before the start of a + # partition. The extended partition must start one + # sector before the start of the first logical + # partition. This way the first EBR is inside of the + # extended partition. Since the extended partitions + # starts a sector before the first logical partition, + # add a sector at the back, so that there is enough + # room for all logical partitions. + self._create_partition(self.path, "extended", + None, part.start - 1, + self.offset - part.start + 1) + + if part.fstype == "swap": + parted_fs_type = "linux-swap" + elif part.fstype == "vfat": + parted_fs_type = "fat32" + elif part.fstype == "msdos": + parted_fs_type = "fat16" + if not part.system_id: + part.system_id = '0x6' # FAT16 + else: + # Type for ext2/ext3/ext4/btrfs + parted_fs_type = "ext2" + + # Boot ROM of OMAP boards require vfat boot partition to have an + # even number of sectors. + if part.mountpoint == "/boot" and part.fstype in ["vfat", "msdos"] \ + and part.size_sec % 2: + logger.debug("Subtracting one sector from '%s' partition to " + "get even number of sectors for the partition", + part.mountpoint) + part.size_sec -= 1 + + self._create_partition(self.path, part.type, + parted_fs_type, part.start, part.size_sec) + + if part.part_name: + logger.debug("partition %d: set name to %s", + part.num, part.part_name) + exec_native_cmd("sgdisk --change-name=%d:%s %s" % \ + (part.num, part.part_name, + self.path), self.native_sysroot) + + if part.part_type: + logger.debug("partition %d: set type UID to %s", + part.num, part.part_type) + exec_native_cmd("sgdisk --typecode=%d:%s %s" % \ + (part.num, part.part_type, + self.path), self.native_sysroot) + + if part.uuid and self.ptable_format == "gpt": + logger.debug("partition %d: set UUID to %s", + part.num, part.uuid) + exec_native_cmd("sgdisk --partition-guid=%d:%s %s" % \ + (part.num, part.uuid, self.path), + self.native_sysroot) + + if part.label and self.ptable_format == "gpt": + logger.debug("partition %d: set name to %s", + part.num, part.label) + exec_native_cmd("parted -s %s name %d %s" % \ + (self.path, part.num, part.label), + self.native_sysroot) + + if part.active: + flag_name = "legacy_boot" if self.ptable_format == 'gpt' else "boot" + logger.debug("Set '%s' flag for partition '%s' on disk '%s'", + flag_name, part.num, self.path) + exec_native_cmd("parted -s %s set %d %s on" % \ + (self.path, part.num, flag_name), + self.native_sysroot) + if part.system_id: + exec_native_cmd("sfdisk --part-type %s %s %s" % \ + (self.path, part.num, part.system_id), + self.native_sysroot) + + def cleanup(self): + # remove partition images + for image in set(self.partimages): + os.remove(image) + + def assemble(self): + logger.debug("Installing partitions") + + for part in self.partitions: + source = part.source_file + if source: + # install source_file contents into a partition + sparse_copy(source, self.path, seek=part.start * self.sector_size) + + logger.debug("Installed %s in partition %d, sectors %d-%d, " + "size %d sectors", source, part.num, part.start, + part.start + part.size_sec - 1, part.size_sec) + + partimage = self.path + '.p%d' % part.num + os.rename(source, partimage) + self.partimages.append(partimage) diff --git a/poky/scripts/lib/wic/plugins/source/bootimg-efi.py b/poky/scripts/lib/wic/plugins/source/bootimg-efi.py new file mode 100644 index 000000000..beb74d7a7 --- /dev/null +++ b/poky/scripts/lib/wic/plugins/source/bootimg-efi.py @@ -0,0 +1,258 @@ +# ex:ts=4:sw=4:sts=4:et +# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- +# +# Copyright (c) 2014, Intel Corporation. +# All rights reserved. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +# +# DESCRIPTION +# This implements the 'bootimg-efi' source plugin class for 'wic' +# +# AUTHORS +# Tom Zanussi <tom.zanussi (at] linux.intel.com> +# + +import logging +import os +import shutil + +from wic import WicError +from wic.engine import get_custom_config +from wic.pluginbase import SourcePlugin +from wic.misc import (exec_cmd, exec_native_cmd, + get_bitbake_var, BOOTDD_EXTRA_SPACE) + +logger = logging.getLogger('wic') + +class BootimgEFIPlugin(SourcePlugin): + """ + Create EFI boot partition. + This plugin supports GRUB 2 and systemd-boot bootloaders. + """ + + name = 'bootimg-efi' + + @classmethod + 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 += "menuentry 'boot'{\n" + + kernel = "/bzImage" + + grubefi_conf += "linux %s root=%s rootwait %s\n" \ + % (kernel, creator.rootdev, bootloader.append) + 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() + + @classmethod + 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 = "/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 + + 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() + + + @classmethod + 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 loader-specific config + """ + hdddir = "%s/hdd/boot" % cr_workdir + + install_cmd = "install -d %s/EFI/BOOT" % hdddir + exec_cmd(install_cmd) + + try: + if source_params['loader'] == 'grub-efi': + cls.do_configure_grubefi(creator, cr_workdir) + elif source_params['loader'] == 'systemd-boot': + cls.do_configure_systemdboot(hdddir, creator, cr_workdir, source_params) + else: + raise WicError("unrecognized bootimg-efi loader: %s" % source_params['loader']) + except KeyError: + raise WicError("bootimg-efi requires a loader, none specified") + + + @classmethod + 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 + + 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(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) + 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 loader: %s" % + source_params['loader']) + except KeyError: + raise WicError("bootimg-efi 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 -i %s -C %s %d" % \ + (part.fsuuid, 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 diff --git a/poky/scripts/lib/wic/plugins/source/bootimg-partition.py b/poky/scripts/lib/wic/plugins/source/bootimg-partition.py new file mode 100644 index 000000000..b239fc0b4 --- /dev/null +++ b/poky/scripts/lib/wic/plugins/source/bootimg-partition.py @@ -0,0 +1,132 @@ +# ex:ts=4:sw=4:sts=4:et +# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +# +# DESCRIPTION +# This implements the 'bootimg-partition' source plugin class for +# 'wic'. The plugin creates an image of boot partition, copying over +# files listed in IMAGE_BOOT_FILES bitbake variable. +# +# AUTHORS +# Maciej Borzecki <maciej.borzecki (at] open-rnd.pl> +# + +import logging +import os +import re + +from glob import glob + +from wic import WicError +from wic.pluginbase import SourcePlugin +from wic.misc import exec_cmd, get_bitbake_var + +logger = logging.getLogger('wic') + +class BootimgPartitionPlugin(SourcePlugin): + """ + Create an image of boot partition, copying over files + listed in IMAGE_BOOT_FILES bitbake variable. + """ + + name = 'bootimg-partition' + + @classmethod + 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.%d" % (cr_workdir, part.lineno) + 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 = None + for (fmt, id) in (("_uuid-%s", part.uuid), ("_label-%s", part.label), (None, None)): + if fmt: + var = fmt % id + else: + var = "" + + boot_files = get_bitbake_var("IMAGE_BOOT_FILES" + var) + if boot_files is not None: + break + + if boot_files is None: + raise WicError('No boot files defined, IMAGE_BOOT_FILES unset for entry #%d' % part.lineno) + + 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, False) diff --git a/poky/scripts/lib/wic/plugins/source/bootimg-pcbios.py b/poky/scripts/lib/wic/plugins/source/bootimg-pcbios.py new file mode 100644 index 000000000..d599112dd --- /dev/null +++ b/poky/scripts/lib/wic/plugins/source/bootimg-pcbios.py @@ -0,0 +1,207 @@ +# ex:ts=4:sw=4:sts=4:et +# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- +# +# Copyright (c) 2014, Intel Corporation. +# All rights reserved. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +# +# DESCRIPTION +# This implements the 'bootimg-pcbios' source plugin class for 'wic' +# +# AUTHORS +# Tom Zanussi <tom.zanussi (at] linux.intel.com> +# + +import logging +import os + +from wic import WicError +from wic.engine import get_custom_config +from wic.pluginbase import SourcePlugin +from wic.misc import (exec_cmd, exec_native_cmd, + get_bitbake_var, BOOTDD_EXTRA_SPACE) + +logger = logging.getLogger('wic') + +class BootimgPcbiosPlugin(SourcePlugin): + """ + Create MBR boot partition and install syslinux on it. + """ + + name = 'bootimg-pcbios' + + @classmethod + def _get_bootimg_dir(cls, bootimg_dir, dirname): + """ + Check if dirname exists in default bootimg_dir or in STAGING_DIR. + """ + for result in (bootimg_dir, get_bitbake_var("STAGING_DATADIR")): + if os.path.exists("%s/%s" % (result, dirname)): + return result + + raise WicError("Couldn't find correct bootimg_dir, exiting") + + @classmethod + def do_install_disk(cls, disk, disk_name, creator, workdir, oe_builddir, + bootimg_dir, kernel_dir, native_sysroot): + """ + Called after all partitions have been prepared and assembled into a + disk image. In this case, we install the MBR. + """ + bootimg_dir = cls._get_bootimg_dir(bootimg_dir, 'syslinux') + mbrfile = "%s/syslinux/" % bootimg_dir + if creator.ptable_format == 'msdos': + mbrfile += "mbr.bin" + elif creator.ptable_format == 'gpt': + mbrfile += "gptmbr.bin" + else: + raise WicError("Unsupported partition table: %s" % + creator.ptable_format) + + if not os.path.exists(mbrfile): + raise WicError("Couldn't find %s. If using the -e option, do you " + "have the right MACHINE set in local.conf? If not, " + "is the bootimg_dir path correct?" % mbrfile) + + full_path = creator._full_path(workdir, disk_name, "direct") + logger.debug("Installing MBR on disk %s as %s with size %s bytes", + disk_name, full_path, disk.min_size) + + dd_cmd = "dd if=%s of=%s conv=notrunc" % (mbrfile, full_path) + exec_cmd(dd_cmd, native_sysroot) + + @classmethod + 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 = "/vmlinuz" + syslinux_conf += "KERNEL " + kernel + "\n" + + syslinux_conf += "APPEND label=boot root=%s %s\n" % \ + (creator.rootdev, 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() + + @classmethod + 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. + """ + bootimg_dir = cls._get_bootimg_dir(bootimg_dir, 'syslinux') + + 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%s.img" % (cr_workdir, part.lineno) + + dosfs_cmd = "mkdosfs -n boot -i %s -S 512 -C %s %d" % \ + (part.fsuuid, 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 diff --git a/poky/scripts/lib/wic/plugins/source/isoimage-isohybrid.py b/poky/scripts/lib/wic/plugins/source/isoimage-isohybrid.py new file mode 100644 index 000000000..d6bd3bff7 --- /dev/null +++ b/poky/scripts/lib/wic/plugins/source/isoimage-isohybrid.py @@ -0,0 +1,466 @@ +# ex:ts=4:sw=4:sts=4:et +# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +# +# DESCRIPTION +# This implements the 'isoimage-isohybrid' source plugin class for 'wic' +# +# AUTHORS +# Mihaly Varga <mihaly.varga (at] ni.com> + +import glob +import logging +import os +import re +import shutil + +from wic import WicError +from wic.engine import get_custom_config +from wic.pluginbase import SourcePlugin +from wic.misc import exec_cmd, exec_native_cmd, get_bitbake_var + +logger = logging.getLogger('wic') + +class IsoImagePlugin(SourcePlugin): + """ + Create a bootable ISO image + + This plugin creates a hybrid, legacy and EFI bootable ISO image. The + generated image can be used on optical media as well as USB media. + + Legacy boot uses syslinux and EFI boot uses grub or gummiboot (not + implemented yet) as bootloader. The plugin creates the directories required + by bootloaders and populates them by creating and configuring the + bootloader files. + + Example kickstart file: + part /boot --source isoimage-isohybrid --sourceparams="loader=grub-efi, \\ + image_name= IsoImage" --ondisk cd --label LIVECD --fstype=ext2 + bootloader --timeout=10 --append=" " + + In --sourceparams "loader" specifies the bootloader used for booting in EFI + mode, while "image_name" specifies the name of the generated image. In the + example above, wic creates an ISO image named IsoImage-cd.direct (default + extension added by direct imeger plugin) and a file named IsoImage-cd.iso + """ + + name = 'isoimage-isohybrid' + + @classmethod + def do_configure_syslinux(cls, creator, cr_workdir): + """ + Create loader-specific (syslinux) config + """ + splash = os.path.join(cr_workdir, "ISO/boot/splash.jpg") + if os.path.exists(splash): + splashline = "menu background splash.jpg" + else: + splashline = "" + + bootloader = creator.ks.bootloader + + syslinux_conf = "" + syslinux_conf += "PROMPT 0\n" + syslinux_conf += "TIMEOUT %s \n" % (bootloader.timeout or 10) + 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 = "/bzImage" + syslinux_conf += "KERNEL " + kernel + "\n" + syslinux_conf += "APPEND initrd=/initrd LABEL=boot %s\n" \ + % bootloader.append + + logger.debug("Writing syslinux config %s/ISO/isolinux/isolinux.cfg", + cr_workdir) + + with open("%s/ISO/isolinux/isolinux.cfg" % cr_workdir, "w") as cfg: + cfg.write(syslinux_conf) + + @classmethod + def do_configure_grubefi(cls, part, creator, target_dir): + """ + Create loader-specific (grub-efi) config + """ + configfile = creator.ks.bootloader.configfile + if configfile: + grubefi_conf = get_custom_config(configfile) + if grubefi_conf: + 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) + else: + splash = os.path.join(target_dir, "splash.jpg") + if os.path.exists(splash): + splashline = "menu background splash.jpg" + else: + splashline = "" + + bootloader = creator.ks.bootloader + + grubefi_conf = "" + grubefi_conf += "serial --unit=0 --speed=115200 --word=8 " + grubefi_conf += "--parity=no --stop=1\n" + grubefi_conf += "default=boot\n" + grubefi_conf += "timeout=%s\n" % (bootloader.timeout or 10) + grubefi_conf += "\n" + grubefi_conf += "search --set=root --label %s " % part.label + grubefi_conf += "\n" + grubefi_conf += "menuentry 'boot'{\n" + + kernel = "/bzImage" + + grubefi_conf += "linux %s rootwait %s\n" \ + % (kernel, bootloader.append) + grubefi_conf += "initrd /initrd \n" + grubefi_conf += "}\n" + + if splashline: + grubefi_conf += "%s\n" % splashline + + cfg_path = os.path.join(target_dir, "grub.cfg") + logger.debug("Writing grubefi config %s", cfg_path) + + with open(cfg_path, "w") as cfg: + cfg.write(grubefi_conf) + + @staticmethod + 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) + + pattern = '%s/%s*%s.%s' % (initrd_dir, image_name, machine, image_type) + files = glob.glob(pattern) + if files: + initrd = files[0] + + if not initrd or 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 + + @classmethod + 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 loader-specific config + """ + isodir = "%s/ISO/" % cr_workdir + + if os.path.exists(isodir): + shutil.rmtree(isodir) + + install_cmd = "install -d %s " % isodir + exec_cmd(install_cmd) + + # Overwrite the name of the created image + logger.debug(source_params) + if 'image_name' in source_params and \ + source_params['image_name'].strip(): + creator.name = source_params['image_name'].strip() + logger.debug("The name of the image is: %s", creator.name) + + @classmethod + 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: + target_dir = "%s/EFI/BOOT" % isodir + if os.path.exists(target_dir): + shutil.rmtree(target_dir) + + os.makedirs(target_dir) + + if source_params['loader'] == 'grub-efi': + # 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_image = "grub-efi-bootx64.efi" + elif re.match('i.86', target_arch): + grub_image = "grub-efi-bootia32.efi" + else: + raise WicError("grub-efi is incompatible with target %s" % + target_arch) + + grub_target = os.path.join(target_dir, grub_image) + if not os.path.isfile(grub_target): + grub_src = os.path.join(deploy_dir, grub_image) + if not os.path.exists(grub_src): + raise WicError("Grub loader %s is not found in %s. " + "Please build grub-efi first" % (grub_image, deploy_dir)) + shutil.copy(grub_src, grub_target) + + if not os.path.isfile(os.path.join(target_dir, "boot.cfg")): + cls.do_configure_grubefi(part, creator, target_dir) + + else: + raise WicError("unrecognized bootimg-efi loader: %s" % + source_params['loader']) + except KeyError: + raise WicError("bootimg-efi requires a loader, none specified") + + # 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") + 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 + + @classmethod + def do_install_disk(cls, disk, disk_name, creator, workdir, oe_builddir, + bootimg_dir, kernel_dir, native_sysroot): + """ + Called after all partitions have been prepared and assembled into a + disk image. In this case, we insert/modify the MBR using isohybrid + utility for booting via BIOS from disk storage devices. + """ + + iso_img = "%s.p1" % disk.path + full_path = creator._full_path(workdir, disk_name, "direct") + full_path_iso = creator._full_path(workdir, disk_name, "iso") + + isohybrid_cmd = "isohybrid -u %s" % iso_img + logger.debug("running command: %s", isohybrid_cmd) + exec_native_cmd(isohybrid_cmd, native_sysroot) + + # Replace the image created by direct plugin with the one created by + # mkisofs command. This is necessary because the iso image created by + # mkisofs has a very specific MBR is system area of the ISO image, and + # direct plugin adds and configures an another MBR. + logger.debug("Replaceing the image created by direct plugin\n") + os.remove(disk.path) + shutil.copy2(iso_img, full_path_iso) + shutil.copy2(full_path_iso, full_path) diff --git a/poky/scripts/lib/wic/plugins/source/rawcopy.py b/poky/scripts/lib/wic/plugins/source/rawcopy.py new file mode 100644 index 000000000..e86398ac8 --- /dev/null +++ b/poky/scripts/lib/wic/plugins/source/rawcopy.py @@ -0,0 +1,91 @@ +# ex:ts=4:sw=4:sts=4:et +# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +# + +import logging +import os + +from wic import WicError +from wic.pluginbase import SourcePlugin +from wic.misc import exec_cmd, get_bitbake_var +from wic.filemap import sparse_copy + +logger = logging.getLogger('wic') + +class RawCopyPlugin(SourcePlugin): + """ + Populate partition content from raw image file. + """ + + name = 'rawcopy' + + @staticmethod + def do_image_label(fstype, dst, label): + if fstype.startswith('ext'): + cmd = 'tune2fs -L %s %s' % (label, dst) + elif fstype in ('msdos', 'vfat'): + cmd = 'dosfslabel %s %s' % (dst, label) + elif fstype == 'btrfs': + cmd = 'btrfs filesystem label %s %s' % (dst, label) + elif fstype == 'swap': + cmd = 'mkswap -L %s %s' % (label, dst) + elif fstype == 'squashfs': + raise WicError("It's not possible to update a squashfs " + "filesystem label '%s'" % (label)) + else: + raise WicError("Cannot update filesystem label: " + "Unknown fstype: '%s'" % (fstype)) + + exec_cmd(cmd) + + @classmethod + 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 + + if part.label: + RawCopyPlugin.do_image_label(part.fstype, dst, part.label) + + part.source_file = dst diff --git a/poky/scripts/lib/wic/plugins/source/rootfs.py b/poky/scripts/lib/wic/plugins/source/rootfs.py new file mode 100644 index 000000000..aec720fb2 --- /dev/null +++ b/poky/scripts/lib/wic/plugins/source/rootfs.py @@ -0,0 +1,126 @@ +# ex:ts=4:sw=4:sts=4:et +# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- +# +# Copyright (c) 2014, Intel Corporation. +# All rights reserved. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +# +# DESCRIPTION +# This implements the 'rootfs' source plugin class for 'wic' +# +# AUTHORS +# Tom Zanussi <tom.zanussi (at] linux.intel.com> +# Joao Henrique Ferreira de Freitas <joaohf (at] gmail.com> +# + +import logging +import os +import shutil +import sys + +from oe.path import copyhardlinktree + +from wic import WicError +from wic.pluginbase import SourcePlugin +from wic.misc import get_bitbake_var + +logger = logging.getLogger('wic') + +class RootfsPlugin(SourcePlugin): + """ + Populate partition content from a rootfs directory. + """ + + name = 'rootfs' + + @staticmethod + def __get_rootfs_dir(rootfs_dir): + if os.path.isdir(rootfs_dir): + return os.path.realpath(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 os.path.realpath(image_rootfs_dir) + + @classmethod + def do_prepare_partition(cls, part, source_params, cr, cr_workdir, + oe_builddir, bootimg_dir, kernel_dir, + krootfs_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. + """ + if part.rootfs_dir is None: + if not 'ROOTFS_DIR' in krootfs_dir: + raise WicError("Couldn't find --rootfs-dir, exiting") + + rootfs_dir = krootfs_dir['ROOTFS_DIR'] + else: + if part.rootfs_dir in krootfs_dir: + rootfs_dir = krootfs_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) + + part.rootfs_dir = cls.__get_rootfs_dir(rootfs_dir) + + new_rootfs = None + # Handle excluded paths. + if part.exclude_path is not None: + # We need a new rootfs directory we can delete files from. Copy to + # workdir. + new_rootfs = os.path.realpath(os.path.join(cr_workdir, "rootfs%d" % part.lineno)) + + if os.path.lexists(new_rootfs): + shutil.rmtree(os.path.join(new_rootfs)) + + copyhardlinktree(part.rootfs_dir, new_rootfs) + + for orig_path in part.exclude_path: + path = orig_path + if os.path.isabs(path): + logger.error("Must be relative: --exclude-path=%s" % orig_path) + sys.exit(1) + + full_path = os.path.realpath(os.path.join(new_rootfs, path)) + + # Disallow climbing outside of parent directory using '..', + # because doing so could be quite disastrous (we will delete the + # directory). + if not full_path.startswith(new_rootfs): + logger.error("'%s' points to a path outside the rootfs" % orig_path) + sys.exit(1) + + if path.endswith(os.sep): + # Delete content only. + for entry in os.listdir(full_path): + full_entry = os.path.join(full_path, entry) + if os.path.isdir(full_entry) and not os.path.islink(full_entry): + shutil.rmtree(full_entry) + else: + os.remove(full_entry) + else: + # Delete whole directory. + shutil.rmtree(full_path) + + part.prepare_rootfs(cr_workdir, oe_builddir, + new_rootfs or part.rootfs_dir, native_sysroot) |
