def main():
common.clean_work_dirs()
def main():
global mount_dir
if not os.path.isfile(config.ISO):
raise (message.exception('ISO does not exists', config.ISO))
elif not config.ISO.endswith('.iso'):
raise (message.exception('File is not ISO', config.ISO))
common.clean_work_dirs()
common.create_work_dirs()
message.sub_info('Creating mount directory')
mount_dir = tempfile.mkdtemp(prefix=config.MOUNT_DIR + '/')
message.sub_debug('Mount directory is', mount_dir)
message.sub_info('Mounting ISO', config.ISO)
try:
# load the required kernel modules in cases the are not, if they are
# builtin the command fails so ignoring that. the "-b" argument is to
# ensure blacklisted modules are respected
try:
misc.system_command(
(misc.whereis('modprobe'), '-ba', 'loop', 'iso9660'))
except:
pass
misc.system_command((misc.whereis('mount'), '-t', 'iso9660', '-o', \
'ro,loop', config.ISO, mount_dir))
except:
message.sub_info('Removing', mount_dir)
os.rmdir(mount_dir)
common.clean_work_dirs()
raise
message.sub_info('Checking ISO')
for spath in (mount_dir + '/casper/filesystem.squashfs', \
mount_dir + '/casper/filesystem.manifest', \
mount_dir + '/casper/filesystem.manifest-remove', \
mount_dir + '/.disk', mount_dir + '/isolinux', ):
if not os.path.exists(spath):
message.sub_debug('Non-existing path', spath)
common.clean_work_dirs()
unmount_iso()
raise (message.exception('Invalid ISO', config.ISO))
message.sub_info('Unsquashing filesystem')
try:
misc.system_command((misc.whereis('unsquashfs'), '-f', '-d', \
config.FILESYSTEM_DIR, mount_dir + '/casper/filesystem.squashfs'))
except:
unmount_iso()
raise
message.sub_info('Checking architecture')
fs_arch = misc.chroot_exec(('dpkg', '--print-architecture'), \
prepare=False, mount=False, output=True)
host_arch = os.uname()[4]
message.sub_debug('Filesystem architecture', fs_arch)
message.sub_debug('Host architecture', host_arch)
if fs_arch == 'amd64' and not host_arch == 'x86_64':
message.sub_debug('The ISO architecture is amd64 and yours is not')
common.clean_work_dirs()
unmount_iso()
raise (message.exception(
'The ISO architecture is amd64 and yours is not'))
message.sub_info('Copying ISO files')
for sfile in misc.list_files(mount_dir):
if sfile.endswith('casper/filesystem.squashfs'):
continue
else:
message.sub_debug('Copying', sfile)
misc.copy_file(sfile, sfile.replace(mount_dir, config.ISO_DIR))
unmount_iso()
def main():
common.clean_work_dirs()
def main():
global mount_dir
if not os.path.isfile(config.ISO):
raise(message.exception('ISO does not exist', config.ISO))
elif not config.ISO.endswith('.iso'):
raise(message.exception('File is not ISO', config.ISO))
common.clean_work_dirs()
common.create_work_dirs()
message.sub_info('Creating mount directory')
mount_dir = tempfile.mkdtemp(prefix=config.MOUNT_DIR + '/')
message.sub_debug('Mount directory is', mount_dir)
message.sub_info('Mounting ISO', config.ISO)
try:
# load the required kernel modules in cases the are not, if they are
# builtin the command fails so ignoring that. the "-b" argument is to
# ensure blacklisted modules are respected
try:
misc.system_command((misc.whereis('modprobe'), '-ba', 'loop', 'iso9660'))
except:
pass
misc.system_command((misc.whereis('mount'), '-t', 'iso9660', '-o', \
'ro,loop', config.ISO, mount_dir))
except:
message.sub_info('Removing', mount_dir)
os.rmdir(mount_dir)
common.clean_work_dirs()
raise
message.sub_info('Checking ISO')
for spath in (mount_dir + '/casper/filesystem.squashfs', \
mount_dir + '/casper/filesystem.manifest', \
mount_dir + '/casper/filesystem.manifest-remove', \
mount_dir + '/.disk', mount_dir + '/isolinux', ):
if not os.path.exists(spath):
message.sub_debug('Non-existing path', spath)
common.clean_work_dirs()
unmount_iso()
raise(message.exception('Invalid ISO', config.ISO))
message.sub_info('Unsquashing filesystem')
try:
misc.system_command((misc.whereis('unsquashfs'), '-f', '-d', \
config.FILESYSTEM_DIR, mount_dir + '/casper/filesystem.squashfs'))
except:
unmount_iso()
raise
message.sub_info('Checking architecture')
fs_arch = misc.chroot_exec(('dpkg', '--print-architecture'), \
prepare=False, mount=False, output=True)
host_arch = os.uname()[4]
message.sub_debug('Filesystem architecture', fs_arch)
message.sub_debug('Host architecture', host_arch)
if fs_arch == 'amd64' and not host_arch == 'x86_64':
message.sub_debug('The ISO architecture is amd64 and yours is not')
common.clean_work_dirs()
unmount_iso()
raise(message.exception('The ISO architecture is amd64 and yours is not'))
message.sub_info('Copying ISO files')
for sfile in misc.list_files(mount_dir):
if sfile.endswith('casper/filesystem.squashfs'):
continue
else:
message.sub_debug('Copying', sfile)
misc.copy_file(sfile, sfile.replace(mount_dir, config.ISO_DIR))
unmount_iso()