+# -*- coding: utf-8 -*-
+#
# Copyright 2013 GRNET S.A. All rights reserved.
#
# Redistribution and use in source and binary forms, with or
# interpreted as representing official policies, either expressed
# or implied, of GRNET S.A.
-from image_creator.util import FatalError
+from image_creator.util import FatalError, check_guestfs_version
from image_creator.gpt import GPTPartitionTable
from image_creator.os_type import os_cls
class Image(object):
"""The instances of this class can create images out of block devices."""
- def __init__(self, device, output, bootable=True, meta={}):
+ def __init__(self, device, output, **kargs):
"""Create a new Image instance"""
self.device = device
self.out = output
- self.bootable = bootable
- self.meta = meta
+
+ self.meta = kargs['meta'] if 'meta' in kargs else {}
+ self.sysprep_params = \
+ kargs['sysprep_params'] if 'sysprep_params' in kargs else {}
+
self.progress_bar = None
self.guestfs_device = None
self.size = 0
- self.mounted = False
- self.mounted_ro = False
self.g = guestfs.GuestFS()
self.g.add_drive_opts(self.device, readonly=0, format="raw")
# file descriptors. This can cause problems especially if the parent
# process has opened pipes. Since the recovery process is an optional
# feature of libguestfs, it's better to disable it.
- self.g.set_recovery_proc(0)
- version = self.g.version()
- if version['major'] > 1 or \
- (version['major'] == 1 and (version['minor'] >= 18 or
- (version['minor'] == 17 and
- version['release'] >= 14))):
- self.g.set_recovery_proc(1)
+ if check_guestfs_version(self.g, 1, 17, 14) >= 0:
self.out.output("Enabling recovery proc")
+ self.g.set_recovery_proc(1)
+ else:
+ self.g.set_recovery_proc(0)
#self.g.set_trace(1)
#self.g.set_verbose(1)
if not self.guestfs_enabled:
self.enable()
- if not self.mounted:
- do_unmount = True
- self.mount(readonly=True)
- else:
- do_unmount = False
+ cls = os_cls(self.distro, self.ostype)
+ self._os = cls(self, sysprep_params=self.sysprep_params)
- try:
- cls = os_cls(self.distro, self.ostype)
- self._os = cls(self.root, self.g, self.out)
-
- finally:
- if do_unmount:
- self.umount()
+ self._os.collect_metadata()
return self._os
#
# self.progressbar.goto((position * 100) // total)
- def mount(self, readonly=False):
- """Mount all disk partitions in a correct order."""
-
- msg = "Mounting the media%s ..." % (" read-only" if readonly else "")
- self.out.output(msg, False)
-
- #If something goes wrong when mounting rw, remount the filesystem ro
- remount_ro = False
- rw_mpoints = ('/', '/etc', '/root', '/home', '/var')
-
- # Sort the keys to mount the fs in a correct order.
- # / should be mounted befor /boot, etc
- def compare(a, b):
- if len(a[0]) > len(b[0]):
- return 1
- elif len(a[0]) == len(b[0]):
- return 0
- else:
- return -1
- mps = self.g.inspect_get_mountpoints(self.root)
- mps.sort(compare)
-
- mopts = 'ro' if readonly else 'rw'
- for mp, dev in mps:
- if self.ostype == 'freebsd':
- # libguestfs can't handle correct freebsd partitions on GUID
- # Partition Table. We have to do the translation to linux
- # device names ourselves
- m = re.match('^/dev/((?:ada)|(?:vtbd))(\d+)p(\d+)$', dev)
- if m:
- m2 = int(m.group(2))
- m3 = int(m.group(3))
- dev = '/dev/sd%c%d' % (chr(ord('a') + m2), m3)
- try:
- self.g.mount_options(mopts, dev, mp)
- except RuntimeError as msg:
- if self.ostype == 'freebsd':
- freebsd_mopts = "ufstype=ufs2,%s" % mopts
- try:
- self.g.mount_vfs(freebsd_mopts, 'ufs', dev, mp)
- except RuntimeError as msg:
- if readonly is False and mp in rw_mpoints:
- remount_ro = True
- break
- elif readonly is False and mp in rw_mpoints:
- remount_ro = True
- break
- else:
- self.out.warn("%s (ignored)" % msg)
- if remount_ro:
- self.out.warn("Unable to mount %s read-write. "
- "Remounting everything read-only..." % mp)
- self.umount()
- self.mount(True)
- else:
- self.mounted = True
- self.mounted_ro = readonly
- self.out.success("done")
-
- def umount(self):
- """Umount all mounted filesystems."""
- self.g.umount_all()
- self.mounted = False
-
def _last_partition(self):
"""Return the last partition of the image disk"""
if self.meta['PARTITION_TABLE'] not in 'msdos' 'gpt':
break
if not re.match("ext[234]", fstype):
- self.out.warn("Don't know how to resize %s partitions." % fstype)
+ self.out.warn("Don't know how to shrink %s partitions." % fstype)
return self.size
part_dev = "%s%d" % (self.guestfs_device, last_part['part_num'])