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
54 if creatoropts['release'] is not None:
55 recording_pkgs = "name"
56 ksconf = misc.save_ksconf_file(ksconf, creatoropts['release'])
57 name = os.path.splitext(os.path.basename(ksconf))[0]
58 creatoropts['outdir'] = "%s/%s-%s/" % (creatoropts['outdir'], name, creatoropts['release'])
59 cfgmgr._ksconf = ksconf
61 # try to find the pkgmgr
63 for (key, pcls) in pluginmgr.PluginMgr().get_plugins('backend').iteritems():
64 if key == creatoropts['pkgmgr']:
69 raise errors.CreatorError("Can't find package manager: %s" % creatoropts['pkgmgr'])
71 creator = raw.RawImageCreator(creatoropts, pkgmgr)
73 if recording_pkgs is not None:
74 creator._recording_pkgs = recording_pkgs
77 creator.check_depend_tools()
78 creator.mount(None, creatoropts["cachedir"])
80 creator.configure(creatoropts["repomd"])
82 creator.package(creatoropts["outdir"])
83 if creatoropts['release'] is not None:
84 creator.release_output(ksconf, creatoropts['outdir'], creatoropts['name'], creatoropts['release'])
85 creator.print_outimage_info()
87 except errors.CreatorError:
92 msger.info("Finished.")
96 def do_chroot(cls, target):
98 imgsize = misc.get_file_size(img) * 1024L * 1024L
99 partedcmd = fs_related.find_binary_path("parted")
100 disk = fs_related.SparseLoopbackDisk(img, imgsize)
101 imgmnt = misc.mkdtemp()
102 imgloop = PartitionedMount({'/dev/sdb':disk}, imgmnt, skipformat = True)
105 # Check the partitions from raw disk.
108 for line in runner.outs([partedcmd,"-s",img,"unit","B","print"]).splitlines():
111 # Lines that start with number are the partitions,
112 # because parted can be translated we can't refer to any text lines.
113 if not line or not line[0].isdigit():
116 # Some vars have extra , as list seperator.
117 line = line.replace(",","")
119 # Example of parted output lines that are handled:
120 # Number Start End Size Type File system Flags
121 # 1 512B 3400000511B 3400000000B primary
122 # 2 3400531968B 3656384511B 255852544B primary linux-swap(v1)
123 # 3 3656384512B 3720347647B 63963136B primary fat16 boot, lba
125 partition_info = re.split("\s+",line)
127 size = partition_info[3].split("B")[0]
129 if len(partition_info) < 6 or partition_info[5] in ["boot"]:
130 # No filesystem can be found from partition line. Assuming
131 # btrfs, because that is the only MeeGo fs that parted does
132 # not recognize properly.
133 # TODO: Can we make better assumption?
135 elif partition_info[5] in ["ext2","ext3","ext4","btrfs"]:
136 fstype = partition_info[5]
137 elif partition_info[5] in ["fat16","fat32"]:
139 elif "swap" in partition_info[5]:
142 raise errors.CreatorError("Could not recognize partition fs type '%s'." % partition_info[5])
144 if not root_mounted and fstype in ["ext2","ext3","ext4","btrfs"]:
145 # TODO: Check that this is actually the valid root partition from /etc/fstab
148 elif fstype == "swap":
151 # TODO: Assing better mount points for the rest of the partitions.
152 partition_mounts += 1
153 mountpoint = "/media/partition_%d" % partition_mounts
155 if "boot" in partition_info:
160 msger.verbose("Size: %s Bytes, fstype: %s, mountpoint: %s, boot: %s" % (size, fstype, mountpoint, boot))
161 # TODO: add_partition should take bytes as size parameter.
162 imgloop.add_partition((int)(size)/1024/1024, "/dev/sdb", mountpoint, fstype = fstype, boot = boot)
167 except errors.MountError:
172 chroot.chroot(imgmnt, None, "/bin/env HOME=/root /bin/bash")
174 raise errors.CreatorError("Failed to chroot to %s." %img)
176 chroot.cleanup_after_chroot("img", imgloop, None, imgmnt)
179 def do_unpack(cls, srcimg):
180 srcimgsize = (misc.get_file_size(srcimg)) * 1024L * 1024L
181 srcmnt = misc.mkdtemp("srcmnt")
182 disk = fs_related.SparseLoopbackDisk(srcimg, srcimgsize)
183 srcloop = PartitionedMount({'/dev/sdb':disk}, srcmnt, skipformat = True)
185 srcloop.add_partition(srcimgsize/1024/1024, "/dev/sdb", "/", "ext3", boot=False)
189 except errors.MountError:
193 image = os.path.join(tempfile.mkdtemp(dir = "/var/tmp", prefix = "tmp"), "target.img")
194 args = ['dd', "if=%s" % srcloop.partitions[0]['device'], "of=%s" % image]
196 msger.info("`dd` image ...")
197 rc = runner.show(args)
199 shutil.rmtree(os.path.dirname(srcmnt), ignore_errors = True)
202 raise errors.CreatorError("Failed to dd")