1 from image_creator.os_type.unix import Unix
6 def __init__(self, rootdev, ghandler):
7 super(Linux, self).__init__(rootdev, ghandler)
9 self._persistent = re.compile('/dev/[hsv]d[a-z][1-9]*')
11 def is_persistent(self, dev):
12 return not self._persistent.match(dev)
14 def get_uuid(self, dev):
16 return self._uuid[dev]
18 for attr in self.g.blkid(dev):
20 self._uuid[dev] = attr[1]
23 def remove_persistent_net(self):
24 persistent_net_rule = '/etc/udev/rules.d/70-persistent-net.rules'
25 if self.g.is_file(persistent_net_rule):
26 self.g.rm(persistent_net_rule)
28 def convert_to_persistent_dev(self):
29 # convert all devices in fstab to persistent
30 persistent_root = self._persistent_fstab()
32 # convert all devices in grub1 to persistent
33 self._persistent_grub1(persistent_root)
35 def _persistent_grub1(self, conf, new_root):
36 if self.g.is_file('/boot/grub/menu.lst'):
37 grub1 = '/boot/grub/menu.lst'
38 elif self.g.is_file('/etc/grub.conf'):
39 grub1 = '/etc/grub.conf'
43 self.g.aug_init('/', 0)
45 roots = self.g.aug_match('/files%s/title[*]/kernel/root' % grub1)
47 dev = self.g.aug_get(root)
48 if not self.is_persistent(dev):
49 # This is not always correct. Grub may contain root entries
50 # for other systems, but we only support 1 OS per hard
51 # disk, so this shouldn't harm.
52 self.g.aug_set(root, new_root)
57 def _persistent_fstab(self):
58 mpoints = self.g.mountpoints()
60 pass # TODO: error handling
62 device_dict = dict([[mpoint, dev] for dev, mpoint in mpoints])
66 fstab = self.g.cat('/etc/fstab')
67 for line in fstab.splitlines():
69 line, dev, mpoint = self._convert_fstab_line(line, device_dict)
70 new_fstab += "%s\n" % line
75 self.g.write('/etc/fstab', new_fstab)
77 pass # TODO: error handling
81 def _convert_fstab_line(self, line, devices):
83 line = line.split('#')[0].strip()
89 print "Warning: detected abnorman entry in fstab"
95 if not self.is_persistent(dev):
97 dev = "UUID=%s" % self.get_uuid(devices[mpoint])
100 # comment out the entry
101 entry[0] = "#%s" % dev
102 return " ".join(entry), dev, mpoint
104 return orig, dev, mpoint
106 # vim: set sta sts=4 shiftwidth=4 sw=4 et ai :