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)