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 for item in creator.get_diskinfo():
88 imagefile = "%s-%s.raw" % (os.path.join(creator.destdir, creator.name), item['name'])
89 if os.path.exists(imagefile):
90 if msger.ask('The target image: %s already exists, cleanup and continue?' % imagefile):
93 raise errors.Abort('Canceled')
96 creator.check_depend_tools()
97 creator.mount(None, creatoropts["cachedir"])
99 creator.configure(creatoropts["repomd"])
101 creator.package(creatoropts["outdir"])
102 if creatoropts['release'] is not None:
103 creator.release_output(ksconf, creatoropts['outdir'], creatoropts['release'])
104 creator.print_outimage_info()
106 except errors.CreatorError:
111 msger.info("Finished.")
115 def do_chroot(cls, target):
117 imgsize = misc.get_file_size(img) * 1024L * 1024L
118 partedcmd = fs_related.find_binary_path("parted")
119 disk = fs_related.SparseLoopbackDisk(img, imgsize)
120 imgmnt = misc.mkdtemp()
121 imgloop = PartitionedMount({'/dev/sdb':disk}, imgmnt, skipformat = True)
124 # Check the partitions from raw disk.
127 for line in runner.outs([partedcmd,"-s",img,"unit","B","print"]).splitlines():
130 # Lines that start with number are the partitions,
131 # because parted can be translated we can't refer to any text lines.
132 if not line or not line[0].isdigit():
135 # Some vars have extra , as list seperator.
136 line = line.replace(",","")
138 # Example of parted output lines that are handled:
139 # Number Start End Size Type File system Flags
140 # 1 512B 3400000511B 3400000000B primary
141 # 2 3400531968B 3656384511B 255852544B primary linux-swap(v1)
142 # 3 3656384512B 3720347647B 63963136B primary fat16 boot, lba
144 partition_info = re.split("\s+",line)
146 size = partition_info[3].split("B")[0]
148 if len(partition_info) < 6 or partition_info[5] in ["boot"]:
149 # No filesystem can be found from partition line. Assuming
150 # btrfs, because that is the only MeeGo fs that parted does
151 # not recognize properly.
152 # TODO: Can we make better assumption?
154 elif partition_info[5] in ["ext2","ext3","ext4","btrfs"]:
155 fstype = partition_info[5]
156 elif partition_info[5] in ["fat16","fat32"]:
158 elif "swap" in partition_info[5]:
161 raise errors.CreatorError("Could not recognize partition fs type '%s'." % partition_info[5])
163 if not root_mounted and fstype in ["ext2","ext3","ext4","btrfs"]:
164 # TODO: Check that this is actually the valid root partition from /etc/fstab
167 elif fstype == "swap":
170 # TODO: Assing better mount points for the rest of the partitions.
171 partition_mounts += 1
172 mountpoint = "/media/partition_%d" % partition_mounts
174 if "boot" in partition_info:
179 msger.verbose("Size: %s Bytes, fstype: %s, mountpoint: %s, boot: %s" % (size, fstype, mountpoint, boot))
180 # TODO: add_partition should take bytes as size parameter.
181 imgloop.add_partition((int)(size)/1024/1024, "/dev/sdb", mountpoint, fstype = fstype, boot = boot)
186 except errors.MountError:
191 chroot.chroot(imgmnt, None, "/bin/env HOME=/root /bin/bash")
193 raise errors.CreatorError("Failed to chroot to %s." %img)
195 chroot.cleanup_after_chroot("img", imgloop, None, imgmnt)
198 def do_unpack(cls, srcimg):
199 srcimgsize = (misc.get_file_size(srcimg)) * 1024L * 1024L
200 srcmnt = misc.mkdtemp("srcmnt")
201 disk = fs_related.SparseLoopbackDisk(srcimg, srcimgsize)
202 srcloop = PartitionedMount({'/dev/sdb':disk}, srcmnt, skipformat = True)
204 srcloop.add_partition(srcimgsize/1024/1024, "/dev/sdb", "/", "ext3", boot=False)
208 except errors.MountError:
212 image = os.path.join(tempfile.mkdtemp(dir = "/var/tmp", prefix = "tmp"), "target.img")
213 args = ['dd', "if=%s" % srcloop.partitions[0]['device'], "of=%s" % image]
215 msger.info("`dd` image ...")
216 rc = runner.show(args)
218 shutil.rmtree(os.path.dirname(srcmnt), ignore_errors = True)
221 raise errors.CreatorError("Failed to dd")