def install_disc_prep(mia, operid, dev, fstype, bootiso_relpath, reldir):
'''
Install each disc prepare work.
We should mount each iso to prepare packages source(for disc).
'''
global dev_hd # the harddisk device where save packages.
global dev_iso # the iso where save pkgs.
global dev_mnt_dir # the current hd or iso mount dir
dolog('instpkg_disc_prep(%s, %s, %s, %s)\n' % \
(dev, fstype, bootiso_relpath, reldir))
############################## Mount Start #####################################
dev_hd = MiDevice(dev, fstype)
if not dev_hd.do_mount(): #### NOTE: carefully handle this device's mount.
msg = 'Mount device %s Failed, install operate can not continue' % dev_hd.get_dev()
logger.e(msg)
return msg
dev_mnt_dir = dev_hd.get_mountdir()
if bootiso_relpath:
# an iso file on harddisk
dev_iso = MiDevice(dev_hd.get_file_path(bootiso_relpath), 'iso9660')
if not dev_iso.do_mount(): #### NOTE: carefully handle this device's mount.
dev_hd.do_umount(); dev_hd = None
msg = 'Mount device %s Failed, install operate can not continue!!!' % dev_iso.get_dev()
logger.e(msg)
dev_iso = None
return msg
dev_mnt_dir = dev_iso.get_mountdir()
############################## Mount Finished #####################################
return 0
def mount_each(tgt_root_dev, tgt_other_dev, tgt_other_type, tgt_other_mpoint):
if tgt_other_dev and tgt_root_dev != tgt_other_dev:
mnt_point = os.path.join(CF.D.TGTSYS_ROOT, tgt_other_mpoint.lstrip('/'))
dev_tgt_other = MiDevice(tgt_other_dev, tgt_other_type, mnt_point)
if not dev_tgt_other.do_mount(): #### NOTE: carefully handle this device's mount.
logger.e('Mount device %s Failed, install operate can not continue' % dev_tgt_other.get_dev())
self.umount_tgt_device()
return False
else:
self.mounted_devs.append(dev_tgt_other)
return True
else:
logger.e('Can not run to here!! The root file system had been mounted before!!')
return False
def mount_tgt_device(self):
tgt_root_dev, tgt_root_type = self.get_devinfo_by_mpoint('/')
tgt_swap_dev, tgt_swap_type = self.get_devinfo_by_mpoint('USE')
if tgt_swap_dev and os.path.exists(tgt_swap_dev):
os.system('swapon %s' % tgt_swap_dev)
#### mount root device
mnt_point = CF.D.TGTSYS_ROOT
dev_tgt_root = MiDevice(tgt_root_dev, tgt_root_type, mnt_point)
if not dev_tgt_root.do_mount(): #### NOTE: carefully handle this device's mount.
logger.e('Mount device %s Failed, install operate can not continue' % dev_tgt_root.get_dev())
return False
else:
self.mounted_devs.append(dev_tgt_root)
def mount_each(tgt_root_dev, tgt_other_dev, tgt_other_type, tgt_other_mpoint):
if tgt_other_dev and tgt_root_dev != tgt_other_dev:
mnt_point = os.path.join(CF.D.TGTSYS_ROOT, tgt_other_mpoint.lstrip('/'))
dev_tgt_other = MiDevice(tgt_other_dev, tgt_other_type, mnt_point)
if not dev_tgt_other.do_mount(): #### NOTE: carefully handle this device's mount.
logger.e('Mount device %s Failed, install operate can not continue' % dev_tgt_other.get_dev())
self.umount_tgt_device()
return False
else:
self.mounted_devs.append(dev_tgt_other)
return True
else:
logger.e('Can not run to here!! The root file system had been mounted before!!')
return False
for mpoint, dev_, type_ in self.tgtsys_devinfo:
if mpoint not in ('/', 'USE'):
if not mount_each(tgt_root_dev, dev_, type_, mpoint):
return False
# mount -t proc proc myroot/proc/
mnt_point = os.path.join(CF.D.TGTSYS_ROOT, 'proc')
ret, msg = mount_dev('proc', 'proc', mntdir=mnt_point,flags=None)
if not ret:
logger.e("Error: mount proc on target failed '%s'" % msg)
return False
self.mounted_devs.append(mnt_point)
# mount -t sysfs sys myroot/sys/
mnt_point = os.path.join(CF.D.TGTSYS_ROOT, 'sys')
ret, msg = mount_dev('sysfs', 'sys', mntdir=mnt_point,flags=None)
if not ret:
logger.e("Error: mount sys on target failed '%s'" % msg)
return False
self.mounted_devs.append(mnt_point)
# mount -o bind /dev myroot/dev/
mnt_point = os.path.join(CF.D.TGTSYS_ROOT, 'dev')
ret, msg = mount_dev(None, '/dev', mntdir=mnt_point,flags='bind')
if not ret:
logger.e("Error: mount /dev on target failed '%s'" % msg)
return False
self.mounted_devs.append(mnt_point)
res = run_bash('mount')
logger.d(''''Mount target system partition finished, check the mount output please:)
%s
%s
''' % ('\n'.join(res['out']), '\n'.join(res['err'])))
return True