3 # Copyright (c) 2011 Intel, Inc.
5 # This program is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by the Free
7 # Software Foundation; version 2 of the License
9 # This program is distributed in the hope that it will be useful, but
10 # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
11 # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 # You should have received a copy of the GNU General Public License along
15 # with this program; if not, write to the Free Software Foundation, Inc., 59
16 # Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 from mic import chroot, msger
24 from mic.utils import misc, fs_related, errors, runner
25 from mic.conf import configmgr
26 from mic.plugin import pluginmgr
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 creatoropts = configmgr.create
52 if not os.path.exists(ksconf):
53 raise errors.CreatorError("Can't find the file: %s" % ksconf)
56 if len(creatoropts['record_pkgs']) > 0:
57 recording_pkgs = creatoropts['record_pkgs']
59 if creatoropts['release'] is not None:
60 if 'name' not in recording_pkgs:
61 recording_pkgs.append('name')
62 ksconf = misc.save_ksconf_file(ksconf, creatoropts['release'])
64 configmgr._ksconf = ksconf
66 # Called After setting the configmgr._ksconf as the creatoropts['name'] is reset there.
67 if creatoropts['release'] is not None:
68 creatoropts['outdir'] = "%s/%s/images/%s/" % (creatoropts['outdir'], creatoropts['release'], creatoropts['name'])
70 # try to find the pkgmgr
72 for (key, pcls) in pluginmgr.get_plugins('backend').iteritems():
73 if key == creatoropts['pkgmgr']:
78 pkgmgrs = pluginmgr.get_plugins('backend').keys()
79 raise errors.CreatorError("Can't find package manager: %s (availables: %s)" % (creatoropts['pkgmgr'], ', '.join(pkgmgrs)))
81 creator = raw.RawImageCreator(creatoropts, pkgmgr)
83 if len(recording_pkgs) > 0:
84 creator._recording_pkgs = recording_pkgs
86 if creatoropts['release'] is None:
87 imagefile = "%s-sda.raw" % os.path.join(creator.destdir, creator.name)
88 if os.path.exists(imagefile):
89 if msger.ask('The target image: %s already exists, cleanup and continue?' % imagefile):
92 raise errors.Abort('Canceled')
95 creator.check_depend_tools()
96 creator.mount(None, creatoropts["cachedir"])
98 creator.configure(creatoropts["repomd"])
100 creator.package(creatoropts["outdir"])
101 if creatoropts['release'] is not None:
102 creator.release_output(ksconf, creatoropts['outdir'], creatoropts['release'])
103 creator.print_outimage_info()
105 except errors.CreatorError:
110 msger.info("Finished.")
114 def do_chroot(cls, target):
116 imgsize = misc.get_file_size(img) * 1024L * 1024L
117 partedcmd = fs_related.find_binary_path("parted")
118 disk = fs_related.SparseLoopbackDisk(img, imgsize)
119 imgmnt = misc.mkdtemp()
120 imgloop = PartitionedMount({'/dev/sdb':disk}, imgmnt, skipformat = True)
123 # Check the partitions from raw disk.
126 for line in runner.outs([partedcmd,"-s",img,"unit","B","print"]).splitlines():
129 # Lines that start with number are the partitions,
130 # because parted can be translated we can't refer to any text lines.
131 if not line or not line[0].isdigit():
134 # Some vars have extra , as list seperator.
135 line = line.replace(",","")
137 # Example of parted output lines that are handled:
138 # Number Start End Size Type File system Flags
139 # 1 512B 3400000511B 3400000000B primary
140 # 2 3400531968B 3656384511B 255852544B primary linux-swap(v1)
141 # 3 3656384512B 3720347647B 63963136B primary fat16 boot, lba
143 partition_info = re.split("\s+",line)
145 size = partition_info[3].split("B")[0]
147 if len(partition_info) < 6 or partition_info[5] in ["boot"]:
148 # No filesystem can be found from partition line. Assuming
149 # btrfs, because that is the only MeeGo fs that parted does
150 # not recognize properly.
151 # TODO: Can we make better assumption?
153 elif partition_info[5] in ["ext2","ext3","ext4","btrfs"]:
154 fstype = partition_info[5]
155 elif partition_info[5] in ["fat16","fat32"]:
157 elif "swap" in partition_info[5]:
160 raise errors.CreatorError("Could not recognize partition fs type '%s'." % partition_info[5])
162 if not root_mounted and fstype in ["ext2","ext3","ext4","btrfs"]:
163 # TODO: Check that this is actually the valid root partition from /etc/fstab
166 elif fstype == "swap":
169 # TODO: Assing better mount points for the rest of the partitions.
170 partition_mounts += 1
171 mountpoint = "/media/partition_%d" % partition_mounts
173 if "boot" in partition_info:
178 msger.verbose("Size: %s Bytes, fstype: %s, mountpoint: %s, boot: %s" % (size, fstype, mountpoint, boot))
179 # TODO: add_partition should take bytes as size parameter.
180 imgloop.add_partition((int)(size)/1024/1024, "/dev/sdb", mountpoint, fstype = fstype, boot = boot)
185 except errors.MountError:
190 chroot.chroot(imgmnt, None, "/bin/env HOME=/root /bin/bash")
192 raise errors.CreatorError("Failed to chroot to %s." %img)
194 chroot.cleanup_after_chroot("img", imgloop, None, imgmnt)
197 def do_unpack(cls, srcimg):
198 srcimgsize = (misc.get_file_size(srcimg)) * 1024L * 1024L
199 srcmnt = misc.mkdtemp("srcmnt")
200 disk = fs_related.SparseLoopbackDisk(srcimg, srcimgsize)
201 srcloop = PartitionedMount({'/dev/sdb':disk}, srcmnt, skipformat = True)
203 srcloop.add_partition(srcimgsize/1024/1024, "/dev/sdb", "/", "ext3", boot=False)
207 except errors.MountError:
211 image = os.path.join(tempfile.mkdtemp(dir = "/var/tmp", prefix = "tmp"), "target.img")
212 args = ['dd', "if=%s" % srcloop.partitions[0]['device'], "of=%s" % image]
214 msger.info("`dd` image ...")
215 rc = runner.show(args)
217 shutil.rmtree(os.path.dirname(srcmnt), ignore_errors = True)
220 raise errors.CreatorError("Failed to dd")