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, rt_util
24 from mic.utils import misc, fs_related, errors, runner, cmdln
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 @cmdln.option("--compress-disk-image", dest="compress_image", type='choice',
37 choices=("gz", "bz2"), default=None,
38 help="Same with --compress-image")
39 @cmdln.option("--compress-image", dest="compress_image", type='choice',
40 choices=("gz", "bz2"), default = None,
41 help="Compress all raw images before package")
42 @cmdln.option("--generate-bmap", action="store_true", default = None,
43 help="also generate the block map file")
44 def do_create(self, subcmd, opts, *args):
45 """${cmd_name}: create raw image
48 ${name} ${cmd_name} <ksfile> [OPTS]
54 raise errors.Usage("Extra arguments given")
56 creatoropts = configmgr.create
59 if creatoropts['runtime'] == "bootstrap":
60 configmgr._ksconf = ksconf
61 rt_util.bootstrap_mic()
64 if len(creatoropts['record_pkgs']) > 0:
65 recording_pkgs = creatoropts['record_pkgs']
67 if creatoropts['release'] is not None:
68 if 'name' not in recording_pkgs:
69 recording_pkgs.append('name')
71 configmgr._ksconf = ksconf
73 # Called After setting the configmgr._ksconf as the creatoropts['name'] is reset there.
74 if creatoropts['release'] is not None:
75 creatoropts['outdir'] = "%s/%s/images/%s/" % (creatoropts['outdir'], creatoropts['release'], creatoropts['name'])
77 # try to find the pkgmgr
79 backends = pluginmgr.get_plugins('backend')
80 if 'auto' == creatoropts['pkgmgr']:
81 for key in configmgr.prefer_backends:
83 pkgmgr = backends[key]
86 for key in backends.keys():
87 if key == creatoropts['pkgmgr']:
88 pkgmgr = backends[key]
92 raise errors.CreatorError("Can't find backend: %s, "
93 "available choices: %s" %
94 (creatoropts['pkgmgr'],
95 ','.join(backends.keys())))
97 creator = raw.RawImageCreator(creatoropts, pkgmgr, opts.compress_image,
100 if len(recording_pkgs) > 0:
101 creator._recording_pkgs = recording_pkgs
103 images = ["%s-%s.raw" % (creator.name, part['name'])
104 for part in creator.get_diskinfo()]
105 self.check_image_exists(creator.destdir,
108 creatoropts['release'])
111 creator.check_depend_tools()
112 creator.mount(None, creatoropts["cachedir"])
114 creator.configure(creatoropts["repomd"])
115 creator.copy_kernel()
117 creator.generate_bmap()
118 creator.package(creatoropts["outdir"])
119 if creatoropts['release'] is not None:
120 creator.release_output(ksconf, creatoropts['outdir'], creatoropts['release'])
121 creator.print_outimage_info()
123 except errors.CreatorError:
128 msger.info("Finished.")
132 def do_chroot(cls, target, cmd=[]):
134 imgsize = misc.get_file_size(img) * 1024L * 1024L
135 partedcmd = fs_related.find_binary_path("parted")
136 disk = fs_related.SparseLoopbackDisk(img, imgsize)
137 imgmnt = misc.mkdtemp()
138 imgloop = PartitionedMount(imgmnt, skipformat = True)
139 imgloop.add_disks({'/dev/sdb':disk})
142 msger.info("Partition Table:")
144 for line in runner.outs([partedcmd, "-s", img, "print"]).splitlines():
145 # no use strip to keep line output here
148 if line.strip() and line.strip()[0].isdigit():
149 partnum.append(line.strip()[0])
154 rootpart = msger.choice("please choose root partition", partnum)
156 # Check the partitions from raw disk.
157 # if choose root part, the mark it as mounted
163 for line in runner.outs([partedcmd,"-s",img,"unit","B","print"]).splitlines():
166 # Lines that start with number are the partitions,
167 # because parted can be translated we can't refer to any text lines.
168 if not line or not line[0].isdigit():
171 # Some vars have extra , as list seperator.
172 line = line.replace(",","")
174 # Example of parted output lines that are handled:
175 # Number Start End Size Type File system Flags
176 # 1 512B 3400000511B 3400000000B primary
177 # 2 3400531968B 3656384511B 255852544B primary linux-swap(v1)
178 # 3 3656384512B 3720347647B 63963136B primary fat16 boot, lba
180 partition_info = re.split("\s+",line)
182 size = partition_info[3].split("B")[0]
184 if len(partition_info) < 6 or partition_info[5] in ["boot"]:
185 # No filesystem can be found from partition line. Assuming
186 # btrfs, because that is the only MeeGo fs that parted does
187 # not recognize properly.
188 # TODO: Can we make better assumption?
190 elif partition_info[5] in ["ext2","ext3","ext4","btrfs"]:
191 fstype = partition_info[5]
192 elif partition_info[5] in ["fat16","fat32"]:
194 elif "swap" in partition_info[5]:
197 raise errors.CreatorError("Could not recognize partition fs type '%s'." % partition_info[5])
199 if rootpart and rootpart == line[0]:
201 elif not root_mounted and fstype in ["ext2","ext3","ext4","btrfs"]:
202 # TODO: Check that this is actually the valid root partition from /etc/fstab
205 elif fstype == "swap":
208 # TODO: Assing better mount points for the rest of the partitions.
209 partition_mounts += 1
210 mountpoint = "/media/partition_%d" % partition_mounts
212 if "boot" in partition_info:
217 msger.verbose("Size: %s Bytes, fstype: %s, mountpoint: %s, boot: %s" % (size, fstype, mountpoint, boot))
218 # TODO: add_partition should take bytes as size parameter.
219 imgloop.add_partition((int)(size)/1024/1024, "/dev/sdb", mountpoint, fstype = fstype, boot = boot)
224 except errors.MountError:
230 cmdline = ' '.join(cmd)
232 cmdline = "/bin/bash"
233 envcmd = fs_related.find_binary_inchroot("env", imgmnt)
235 cmdline = "%s HOME=/root %s" % (envcmd, cmdline)
236 chroot.chroot(imgmnt, None, cmdline)
238 raise errors.CreatorError("Failed to chroot to %s." %img)
240 chroot.cleanup_after_chroot("img", imgloop, None, imgmnt)
243 def do_unpack(cls, srcimg):
244 srcimgsize = (misc.get_file_size(srcimg)) * 1024L * 1024L
245 srcmnt = misc.mkdtemp("srcmnt")
246 disk = fs_related.SparseLoopbackDisk(srcimg, srcimgsize)
247 srcloop = PartitionedMount(srcmnt, skipformat = True)
249 srcloop.add_disks({'/dev/sdb':disk})
250 srcloop.add_partition(srcimgsize/1024/1024, "/dev/sdb", "/", "ext3", boot=False)
254 except errors.MountError:
258 image = os.path.join(tempfile.mkdtemp(dir = "/var/tmp", prefix = "tmp"), "target.img")
259 args = ['dd', "if=%s" % srcloop.partitions[0]['device'], "of=%s" % image]
261 msger.info("`dd` image ...")
262 rc = runner.show(args)
264 shutil.rmtree(os.path.dirname(srcmnt), ignore_errors = True)
267 raise errors.CreatorError("Failed to dd")