def do_chroot(cls, target):
os_image = cls.do_unpack(target)
os_image_dir = os.path.dirname(os_image)
# unpack image to target dir
imgsize = misc.get_file_size(os_image) * 1024L * 1024L
imgtype = misc.get_image_type(os_image)
if imgtype == "btrfsimg":
fstype = "btrfs"
myDiskMount = fs_related.BtrfsDiskMount
elif imgtype in ("ext3fsimg", "ext4fsimg"):
fstype = imgtype[:4]
myDiskMount = fs_related.ExtDiskMount
else:
raise errors.CreatorError("Unsupported filesystem type: %s" %
fstype)
extmnt = misc.mkdtemp()
extloop = myDiskMount(fs_related.SparseLoopbackDisk(os_image, imgsize),
extmnt, fstype, 4096, "%s label" % fstype)
try:
extloop.mount()
except errors.MountError:
extloop.cleanup()
shutil.rmtree(extmnt, ignore_errors=True)
raise
try:
chroot.chroot(extmnt, None, "/bin/env HOME=/root /bin/bash")
except:
raise errors.CreatorError("Failed to chroot to %s." % target)
finally:
chroot.cleanup_after_chroot("img", extloop, os_image_dir, extmnt)
def do_chroot(cls, target):#chroot.py parse opts&args
img = target
imgsize = misc.get_file_size(img) * 1024L * 1024L
imgtype = misc.get_image_type(img)
if imgtype == "btrfsimg":
fstype = "btrfs"
myDiskMount = fs_related.BtrfsDiskMount
elif imgtype in ("ext3fsimg", "ext4fsimg"):
fstype = imgtype[:4]
myDiskMount = fs_related.ExtDiskMount
else:
raise errors.CreatorError("Unsupported filesystem type: %s" % imgtype)
extmnt = misc.mkdtemp()
extloop = myDiskMount(fs_related.SparseLoopbackDisk(img, imgsize),
extmnt,
fstype,
4096,
"%s label" % fstype)
try:
extloop.mount()
except errors.MountError:
extloop.cleanup()
shutil.rmtree(extmnt, ignore_errors = True)
raise
try:
chroot.chroot(extmnt, None, "/bin/env HOME=/root /bin/bash")
except:
raise errors.CreatorError("Failed to chroot to %s." %img)
finally:
chroot.cleanup_after_chroot("img", extloop, None, extmnt)
def _do_chroot_tar(cls, target, cmd=[]):
mountfp_xml = os.path.splitext(target)[0] + '.xml'
if not os.path.exists(mountfp_xml):
raise errors.CreatorError("No mount point file found for this tar "
"image, please check %s" % mountfp_xml)
import tarfile
tar = tarfile.open(target, 'r')
tmpdir = misc.mkdtemp()
tar.extractall(path=tmpdir)
tar.close()
mntdir = misc.mkdtemp()
loops = []
for (mp, label, name, size, fstype) in load_mountpoints(mountfp_xml):
if fstype in ("ext2", "ext3", "ext4"):
myDiskMount = fs_related.ExtDiskMount
elif fstype == "btrfs":
myDiskMount = fs_related.BtrfsDiskMount
elif fstype in ("vfat", "msdos"):
myDiskMount = fs_related.VfatDiskMount
else:
raise errors.CreatorError("Cannot support fstype: %s" % fstype)
name = os.path.join(tmpdir, name)
size = size * 1024L * 1024L
loop = myDiskMount(fs_related.SparseLoopbackDisk(name, size),
os.path.join(mntdir, mp.lstrip('/')), fstype,
size, label)
try:
msger.verbose("Mount %s to %s" % (mp, mntdir + mp))
fs_related.makedirs(os.path.join(mntdir, mp.lstrip('/')))
loop.mount()
except:
loop.cleanup()
for lp in reversed(loops):
chroot.cleanup_after_chroot("img", lp, None, mntdir)
shutil.rmtree(tmpdir, ignore_errors=True)
raise
loops.append(loop)
try:
if len(cmd) != 0:
cmdline = "/usr/bin/env HOME=/root " + ' '.join(cmd)
else:
cmdline = "/usr/bin/env HOME=/root /bin/bash"
chroot.chroot(mntdir, None, cmdline)
except:
raise errors.CreatorError("Failed to chroot to %s." % target)
finally:
for loop in reversed(loops):
chroot.cleanup_after_chroot("img", loop, None, mntdir)
shutil.rmtree(tmpdir, ignore_errors=True)
def _do_chroot_tar(cls, target, cmd=[]):
mountfp_xml = os.path.splitext(target)[0] + '.xml'
if not os.path.exists(mountfp_xml):
raise errors.CreatorError("No mount point file found for this tar "
"image, please check %s" % mountfp_xml)
import tarfile
tar = tarfile.open(target, 'r')
tmpdir = misc.mkdtemp()
tar.extractall(path=tmpdir)
tar.close()
mntdir = misc.mkdtemp()
loops = []
for (mp, label, name, size, fstype) in load_mountpoints(mountfp_xml):
if fstype in ("ext2", "ext3", "ext4"):
myDiskMount = fs_related.ExtDiskMount
elif fstype == "btrfs":
myDiskMount = fs_related.BtrfsDiskMount
elif fstype in ("vfat", "msdos"):
myDiskMount = fs_related.VfatDiskMount
else:
raise errors.CreatorError("Cannot support fstype: %s" % fstype)
name = os.path.join(tmpdir, name)
size = size * 1024L * 1024L
loop = myDiskMount(fs_related.SparseLoopbackDisk(name, size),
os.path.join(mntdir, mp.lstrip('/')),
fstype, size, label)
try:
msger.verbose("Mount %s to %s" % (mp, mntdir + mp))
fs_related.makedirs(os.path.join(mntdir, mp.lstrip('/')))
loop.mount()
except:
loop.cleanup()
for lp in reversed(loops):
chroot.cleanup_after_chroot("img", lp, None, mntdir)
shutil.rmtree(tmpdir, ignore_errors=True)
raise
loops.append(loop)
try:
if len(cmd) != 0:
cmdline = "/usr/bin/env HOME=/root " + ' '.join(cmd)
else:
cmdline = "/usr/bin/env HOME=/root /bin/bash"
chroot.chroot(mntdir, None, cmdline)
except:
raise errors.CreatorError("Failed to chroot to %s." % target)
finally:
for loop in reversed(loops):
chroot.cleanup_after_chroot("img", loop, None, mntdir)
shutil.rmtree(tmpdir, ignore_errors=True)
def do_chroot(self, target): #chroot.py parse opts&args
try:
envcmd = fs_related.find_binary_inchroot("env", target)
if envcmd:
cmdline = "%s HOME=/root /bin/bash" % envcmd
else:
cmdline = "/bin/bash"
chroot.chroot(target, None, cmdline)
finally:
chroot.cleanup_after_chroot("dir", None, None, None)
return 1
def do_chroot(self, target):#chroot.py parse opts&args
try:
envcmd = fs_related.find_binary_inchroot("env", target)
if envcmd:
cmdline = "%s HOME=/root /bin/bash" % envcmd
else:
cmdline = "/bin/bash"
chroot.chroot(target, None, cmdline)
finally:
chroot.cleanup_after_chroot("dir", None, None, None)
return 1
def do_chroot(self, target, cmd=[]):#chroot.py parse opts&args
try:
if len(cmd) != 0:
cmdline = ' '.join(cmd)
else:
cmdline = "/bin/bash"
envcmd = fs_related.find_binary_inchroot("env", target)
if envcmd:
cmdline = "%s HOME=/root %s" % (envcmd, cmdline)
chroot.chroot(target, None, cmdline)
finally:
chroot.cleanup_after_chroot("dir", None, None, None)
return 1
def do_chroot(self, target, cmd=[]): #chroot.py parse opts&args
try:
if len(cmd) != 0:
cmdline = ' '.join(cmd)
else:
cmdline = "/bin/bash"
envcmd = fs_related.find_binary_inchroot("env", target)
if envcmd:
cmdline = "%s HOME=/root %s" % (envcmd, cmdline)
chroot.chroot(target, None, cmdline)
finally:
chroot.cleanup_after_chroot("dir", None, None, None)
return 1
def do_chroot(cls, target, cmd=[]):
if target.endswith('.tar'):
import tarfile
if tarfile.is_tarfile(target):
LoopPlugin._do_chroot_tar(target, cmd)
return
else:
raise errors.CreatorError("damaged tarball for loop images")
img = target
imgsize = misc.get_file_size(img) * 1024L * 1024L
imgtype = misc.get_image_type(img)
if imgtype == "btrfsimg":
fstype = "btrfs"
myDiskMount = fs_related.BtrfsDiskMount
elif imgtype in ("ext3fsimg", "ext4fsimg"):
fstype = imgtype[:4]
myDiskMount = fs_related.ExtDiskMount
else:
raise errors.CreatorError("Unsupported filesystem type: %s" \
% imgtype)
extmnt = misc.mkdtemp()
extloop = myDiskMount(fs_related.SparseLoopbackDisk(img, imgsize),
extmnt,
fstype,
4096,
"%s label" % fstype)
try:
extloop.mount()
except errors.MountError:
extloop.cleanup()
shutil.rmtree(extmnt, ignore_errors=True)
raise
try:
if len(cmd) != 0:
cmdline = ' '.join(cmd)
else:
cmdline = "/bin/bash"
envcmd = fs_related.find_binary_inchroot("env", extmnt)
if envcmd:
cmdline = "%s HOME=/root %s" % (envcmd, cmdline)
chroot.chroot(extmnt, None, cmdline)
except:
raise errors.CreatorError("Failed to chroot to %s." % img)
finally:
chroot.cleanup_after_chroot("img", extloop, None, extmnt)
def do_chroot(cls, target, cmd=[]):
if target.endswith('.tar'):
import tarfile
if tarfile.is_tarfile(target):
LoopPlugin._do_chroot_tar(target, cmd)
return
else:
raise errors.CreatorError("damaged tarball for loop images")
img = target
imgsize = misc.get_file_size(img) * 1024L * 1024L
imgtype = misc.get_image_type(img)
if imgtype == "btrfsimg":
fstype = "btrfs"
myDiskMount = fs_related.BtrfsDiskMount
elif imgtype in ("ext3fsimg", "ext4fsimg"):
fstype = imgtype[:4]
myDiskMount = fs_related.ExtDiskMount
else:
raise errors.CreatorError("Unsupported filesystem type: %s" \
% imgtype)
extmnt = misc.mkdtemp()
extloop = myDiskMount(fs_related.SparseLoopbackDisk(img, imgsize),
extmnt,
fstype,
4096,
"%s label" % fstype)
try:
extloop.mount()
except errors.MountError:
extloop.cleanup()
shutil.rmtree(extmnt, ignore_errors=True)
raise
try:
if cmd is not None:
cmdline = cmd
else:
cmdline = "/bin/bash"
envcmd = fs_related.find_binary_inchroot("env", extmnt)
if envcmd:
cmdline = "%s HOME=/root %s" % (envcmd, cmdline)
chroot.chroot(extmnt, None, cmdline)
except:
raise errors.CreatorError("Failed to chroot to %s." % img)
finally:
chroot.cleanup_after_chroot("img", extloop, None, extmnt)
def do_chroot(cls, target, cmd=[]):
os_image = cls.do_unpack(target)
os_image_dir = os.path.dirname(os_image)
# unpack image to target dir
imgsize = misc.get_file_size(os_image) * 1024L * 1024L
imgtype = misc.get_image_type(os_image)
if imgtype == "btrfsimg":
fstype = "btrfs"
myDiskMount = fs_related.BtrfsDiskMount
elif imgtype in ("ext3fsimg", "ext4fsimg"):
fstype = imgtype[:4]
myDiskMount = fs_related.ExtDiskMount
else:
raise errors.CreatorError("Unsupported filesystem type: %s" % fstype)
extmnt = misc.mkdtemp()
extloop = myDiskMount(fs_related.SparseLoopbackDisk(os_image, imgsize),
extmnt,
fstype,
4096,
"%s label" % fstype)
try:
extloop.mount()
except errors.MountError:
extloop.cleanup()
shutil.rmtree(extmnt, ignore_errors = True)
shutil.rmtree(os_image_dir, ignore_errors = True)
raise
try:
if len(cmd) != 0:
cmdline = ' '.join(cmd)
else:
cmdline = "/bin/bash"
envcmd = fs_related.find_binary_inchroot("env", extmnt)
if envcmd:
cmdline = "%s HOME=/root %s" % (envcmd, cmdline)
chroot.chroot(extmnt, None, cmdline)
except:
raise errors.CreatorError("Failed to chroot to %s." %target)
finally:
chroot.cleanup_after_chroot("img", extloop, os_image_dir, extmnt)
def do_chroot(cls, target):
import tarfile
if tarfile.is_tarfile(target):
LoopPlugin._do_chroot_tar(target)
return
img = target
imgsize = misc.get_file_size(img) * 1024L * 1024L
imgtype = misc.get_image_type(img)
if imgtype == "btrfsimg":
fstype = "btrfs"
myDiskMount = fs_related.BtrfsDiskMount
elif imgtype in ("ext3fsimg", "ext4fsimg"):
fstype = imgtype[:4]
myDiskMount = fs_related.ExtDiskMount
else:
raise errors.CreatorError("Unsupported filesystem type: %s" \
% imgtype)
extmnt = misc.mkdtemp()
extloop = myDiskMount(fs_related.SparseLoopbackDisk(img, imgsize),
extmnt,
fstype,
4096,
"%s label" % fstype)
try:
extloop.mount()
except errors.MountError:
extloop.cleanup()
shutil.rmtree(extmnt, ignore_errors=True)
raise
try:
chroot.chroot(extmnt, None, "/bin/env HOME=/root /bin/bash")
except:
raise errors.CreatorError("Failed to chroot to %s." % img)
finally:
chroot.cleanup_after_chroot("img", extloop, None, extmnt)
def do_chroot(cls, target):
img = target
imgsize = misc.get_file_size(img) * 1024L * 1024L
partedcmd = fs_related.find_binary_path("parted")
disk = fs_related.SparseLoopbackDisk(img, imgsize)
imgmnt = misc.mkdtemp()
imgloop = PartitionedMount({'/dev/sdb': disk}, imgmnt, skipformat=True)
img_fstype = "ext3"
# Check the partitions from raw disk.
root_mounted = False
partition_mounts = 0
for line in runner.outs([partedcmd, "-s", img, "unit", "B",
"print"]).splitlines():
line = line.strip()
# Lines that start with number are the partitions,
# because parted can be translated we can't refer to any text lines.
if not line or not line[0].isdigit():
continue
# Some vars have extra , as list seperator.
line = line.replace(",", "")
# Example of parted output lines that are handled:
# Number Start End Size Type File system Flags
# 1 512B 3400000511B 3400000000B primary
# 2 3400531968B 3656384511B 255852544B primary linux-swap(v1)
# 3 3656384512B 3720347647B 63963136B primary fat16 boot, lba
partition_info = re.split("\s+", line)
size = partition_info[3].split("B")[0]
if len(partition_info) < 6 or partition_info[5] in ["boot"]:
# No filesystem can be found from partition line. Assuming
# btrfs, because that is the only MeeGo fs that parted does
# not recognize properly.
# TODO: Can we make better assumption?
fstype = "btrfs"
elif partition_info[5] in ["ext2", "ext3", "ext4", "btrfs"]:
fstype = partition_info[5]
elif partition_info[5] in ["fat16", "fat32"]:
fstype = "vfat"
elif "swap" in partition_info[5]:
fstype = "swap"
else:
raise errors.CreatorError(
"Could not recognize partition fs type '%s'." %
partition_info[5])
if not root_mounted and fstype in [
"ext2", "ext3", "ext4", "btrfs"
]:
# TODO: Check that this is actually the valid root partition from /etc/fstab
mountpoint = "/"
root_mounted = True
elif fstype == "swap":
mountpoint = "swap"
else:
# TODO: Assing better mount points for the rest of the partitions.
partition_mounts += 1
mountpoint = "/media/partition_%d" % partition_mounts
if "boot" in partition_info:
boot = True
else:
boot = False
msger.verbose(
"Size: %s Bytes, fstype: %s, mountpoint: %s, boot: %s" %
(size, fstype, mountpoint, boot))
# TODO: add_partition should take bytes as size parameter.
imgloop.add_partition((int)(size) / 1024 / 1024,
"/dev/sdb",
mountpoint,
fstype=fstype,
boot=boot)
try:
imgloop.mount()
except errors.MountError:
imgloop.cleanup()
raise
try:
chroot.chroot(imgmnt, None, "/bin/env HOME=/root /bin/bash")
except:
raise errors.CreatorError("Failed to chroot to %s." % img)
finally:
chroot.cleanup_after_chroot("img", imgloop, None, imgmnt)
def do_chroot(self, target):#chroot.py parse opts&args
try:
chroot.chroot(target, None, "/bin/env HOME=/root /bin/bash")
finally:
chroot.cleanup_after_chroot("dir", None, None, None)
return 1
def testChroot(self):
try:
chroot.chroot(TEST_CHROOT_DIR, None, 'exit')
except Exception, e:
raise self.failureException(e)
def do_chroot(self, target):#chroot.py parse opts&args
try:
chroot.chroot(target, None, "/bin/env HOME=/root /bin/bash")
finally:
chroot.cleanup_after_chroot("dir", None, None, None)
return 1
def testChroot(self):
try:
chroot.chroot(TEST_CHROOT_DIR, None, 'exit')
except Exception, e:
raise self.failureException(e)
def do_chroot(cls, target, cmd=[]):
img = target
imgsize = misc.get_file_size(img) * 1024L * 1024L
partedcmd = fs_related.find_binary_path("parted")
disk = fs_related.SparseLoopbackDisk(img, imgsize)
imgmnt = misc.mkdtemp()
imgloop = PartitionedMount(imgmnt, skipformat = True)
imgloop.add_disk('/dev/sdb', disk)
img_fstype = "ext3"
msger.info("Partition Table:")
partnum = []
for line in runner.outs([partedcmd, "-s", img, "print"]).splitlines():
# no use strip to keep line output here
if "Number" in line:
msger.raw(line)
if line.strip() and line.strip()[0].isdigit():
partnum.append(line.strip()[0])
msger.raw(line)
rootpart = None
if len(partnum) > 1:
rootpart = msger.choice("please choose root partition", partnum)
# Check the partitions from raw disk.
# if choose root part, the mark it as mounted
if rootpart:
root_mounted = True
else:
root_mounted = False
partition_mounts = 0
for line in runner.outs([partedcmd,"-s",img,"unit","B","print"]).splitlines():
line = line.strip()
# Lines that start with number are the partitions,
# because parted can be translated we can't refer to any text lines.
if not line or not line[0].isdigit():
continue
# Some vars have extra , as list seperator.
line = line.replace(",","")
# Example of parted output lines that are handled:
# Number Start End Size Type File system Flags
# 1 512B 3400000511B 3400000000B primary
# 2 3400531968B 3656384511B 255852544B primary linux-swap(v1)
# 3 3656384512B 3720347647B 63963136B primary fat16 boot, lba
partition_info = re.split("\s+",line)
size = partition_info[3].split("B")[0]
if len(partition_info) < 6 or partition_info[5] in ["boot"]:
# No filesystem can be found from partition line. Assuming
# btrfs, because that is the only MeeGo fs that parted does
# not recognize properly.
# TODO: Can we make better assumption?
fstype = "btrfs"
elif partition_info[5] in ["ext2","ext3","ext4","btrfs"]:
fstype = partition_info[5]
elif partition_info[5] in ["fat16","fat32"]:
fstype = "vfat"
elif "swap" in partition_info[5]:
fstype = "swap"
else:
raise errors.CreatorError("Could not recognize partition fs type '%s'." % partition_info[5])
if rootpart and rootpart == line[0]:
mountpoint = '/'
elif not root_mounted and fstype in ["ext2","ext3","ext4","btrfs"]:
# TODO: Check that this is actually the valid root partition from /etc/fstab
mountpoint = "/"
root_mounted = True
elif fstype == "swap":
mountpoint = "swap"
else:
# TODO: Assing better mount points for the rest of the partitions.
partition_mounts += 1
mountpoint = "/media/partition_%d" % partition_mounts
if "boot" in partition_info:
boot = True
else:
boot = False
msger.verbose("Size: %s Bytes, fstype: %s, mountpoint: %s, boot: %s" % (size, fstype, mountpoint, boot))
# TODO: add_partition should take bytes as size parameter.
imgloop.add_partition((int)(size)/1024/1024, "/dev/sdb", mountpoint, fstype = fstype, boot = boot)
try:
imgloop.mount()
except errors.MountError:
imgloop.cleanup()
raise
try:
if len(cmd) != 0:
cmdline = ' '.join(cmd)
else:
cmdline = "/bin/bash"
envcmd = fs_related.find_binary_inchroot("env", imgmnt)
if envcmd:
cmdline = "%s HOME=/root %s" % (envcmd, cmdline)
chroot.chroot(imgmnt, None, cmdline)
except:
raise errors.CreatorError("Failed to chroot to %s." %img)
finally:
chroot.cleanup_after_chroot("img", imgloop, None, imgmnt)
