3 # Copyright 2011 Intel, Inc.
5 # This copyrighted material is made available to anyone wishing to use, modify,
6 # copy, or redistribute it subject to the terms and conditions of the GNU
7 # General Public License v.2. This program is distributed in the hope that it
8 # will be useful, but WITHOUT ANY WARRANTY expressed or implied, including the
9 # implied warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
10 # See the GNU General Public License for more details.
12 # You should have received a copy of the GNU General Public License along with
13 # this program; if not, write to the Free Software Foundation, Inc., 51
14 # Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. Any Red Hat
15 # trademarks that are incorporated in the source code or documentation are not
16 # subject to the GNU General Public License and may only be used or replicated
17 # with the express permission of Red Hat, Inc.
25 from mic import configmgr, pluginmgr, chroot, msger
26 from mic.utils import misc, fs_related, errors, runner
27 from mic.utils.partitionedfs import PartitionedMount
29 import mic.imager.raw as raw
31 from mic.pluginbase import ImagerPlugin
32 class RawPlugin(ImagerPlugin):
36 def do_create(self, subcmd, opts, *args):
37 """${cmd_name}: create raw image
44 raise errors.Usage("More arguments needed")
47 raise errors.Usage("Extra arguments given")
49 cfgmgr = configmgr.getConfigMgr()
50 creatoropts = cfgmgr.create
51 cfgmgr._ksconf = args[0]
53 # try to find the pkgmgr
55 for (key, pcls) in pluginmgr.PluginMgr().get_plugins('backend').iteritems():
56 if key == creatoropts['pkgmgr']:
61 raise errors.CreatorError("Can't find package manager: %s" % creatoropts['pkgmgr'])
63 creator = raw.RawImageCreator(creatoropts, pkgmgr)
65 creator.check_depend_tools()
66 creator.mount(None, creatoropts["cachedir"])
68 creator.configure(creatoropts["repomd"])
70 creator.package(creatoropts["outdir"])
71 creator.print_outimage_info()
72 outimage = creator.outimage
74 except errors.CreatorError:
79 msger.info("Finished.")
83 def do_chroot(cls, target):
85 imgsize = misc.get_file_size(img) * 1024L * 1024L
86 partedcmd = fs_related.find_binary_path("parted")
87 disk = fs_related.SparseLoopbackDisk(img, imgsize)
88 imgmnt = misc.mkdtemp()
89 imgloop = PartitionedMount({'/dev/sdb':disk}, imgmnt, skipformat = True)
92 # Check the partitions from raw disk.
95 for line in runner.outs([partedcmd,"-s",img,"unit","B","print"]).splitlines():
98 # Lines that start with number are the partitions,
99 # because parted can be translated we can't refer to any text lines.
100 if not line or not line[0].isdigit():
103 # Some vars have extra , as list seperator.
104 line = line.replace(",","")
106 # Example of parted output lines that are handled:
107 # Number Start End Size Type File system Flags
108 # 1 512B 3400000511B 3400000000B primary
109 # 2 3400531968B 3656384511B 255852544B primary linux-swap(v1)
110 # 3 3656384512B 3720347647B 63963136B primary fat16 boot, lba
112 partition_info = re.split("\s+",line)
114 size = partition_info[3].split("B")[0]
116 if len(partition_info) < 6 or partition_info[5] in ["boot"]:
117 # No filesystem can be found from partition line. Assuming
118 # btrfs, because that is the only MeeGo fs that parted does
119 # not recognize properly.
120 # TODO: Can we make better assumption?
122 elif partition_info[5] in ["ext2","ext3","ext4","btrfs"]:
123 fstype = partition_info[5]
124 elif partition_info[5] in ["fat16","fat32"]:
126 elif "swap" in partition_info[5]:
129 raise errors.CreatorError("Could not recognize partition fs type '%s'." % partition_info[5])
131 if not root_mounted and fstype in ["ext2","ext3","ext4","btrfs"]:
132 # TODO: Check that this is actually the valid root partition from /etc/fstab
135 elif fstype == "swap":
138 # TODO: Assing better mount points for the rest of the partitions.
139 partition_mounts += 1
140 mountpoint = "/media/partition_%d" % partition_mounts
142 if "boot" in partition_info:
147 msger.verbose("Size: %s Bytes, fstype: %s, mountpoint: %s, boot: %s" % (size, fstype, mountpoint, boot))
148 # TODO: add_partition should take bytes as size parameter.
149 imgloop.add_partition((int)(size)/1024/1024, "/dev/sdb", mountpoint, fstype = fstype, boot = boot)
154 except errors.MountError:
159 chroot.chroot(imgmnt, None, "/bin/env HOME=/root /bin/bash")
161 raise errors.CreatorError("Failed to chroot to %s." %img)
163 chroot.cleanup_after_chroot("img", imgloop, None, imgmnt)
166 def do_unpack(cls, srcimg):
167 srcimgsize = (misc.get_file_size(srcimg)) * 1024L * 1024L
168 srcmnt = misc.mkdtemp("srcmnt")
169 disk = fs_related.SparseLoopbackDisk(srcimg, srcimgsize)
170 srcloop = PartitionedMount({'/dev/sdb':disk}, srcmnt, skipformat = True)
172 srcloop.add_partition(srcimgsize/1024/1024, "/dev/sdb", "/", "ext3", boot=False)
176 except errors.MountError:
180 image = os.path.join(tempfile.mkdtemp(dir = "/var/tmp", prefix = "tmp"), "target.img")
181 args = ['dd', "if=%s" % srcloop.partitions[0]['device'], "of=%s" % image]
183 msger.info("`dd` image ...")
184 rc = runner.show(args)
186 shutil.rmtree(srcmnt, ignore_errors = True)
189 raise errors.CreatorError("Failed to dd")