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 configmgr, pluginmgr, chroot, msger
24 from mic.utils import misc, fs_related, errors, runner
25 from mic.utils.partitionedfs import PartitionedMount
27 import mic.imager.raw as raw
29 from mic.pluginbase import ImagerPlugin
30 class RawPlugin(ImagerPlugin):
34 def do_create(self, subcmd, opts, *args):
35 """${cmd_name}: create raw image
42 raise errors.Usage("More arguments needed")
45 raise errors.Usage("Extra arguments given")
47 cfgmgr = configmgr.getConfigMgr()
48 creatoropts = cfgmgr.create
51 if not os.path.exists(ksconf):
52 raise errors.CreatorError("Can't find the file: %s" % ksconf)
55 if len(creatoropts['record_pkgs']) > 0:
56 recording_pkgs = creatoropts['record_pkgs']
57 if creatoropts['release'] is not None:
58 if 'name' not in recording_pkgs:
59 recording_pkgs.append('name')
60 ksconf = misc.save_ksconf_file(ksconf, creatoropts['release'])
61 name = os.path.splitext(os.path.basename(ksconf))[0]
62 creatoropts['outdir'] = "%s/%s-%s/" % (creatoropts['outdir'], name, creatoropts['release'])
63 cfgmgr._ksconf = ksconf
65 # try to find the pkgmgr
67 for (key, pcls) in pluginmgr.PluginMgr().get_plugins('backend').iteritems():
68 if key == creatoropts['pkgmgr']:
73 pkgmgrs = pluginmgr.PluginMgr().get_plugins('backend').keys()
74 raise errors.CreatorError("Can't find package manager: %s (availables: %s)" % (creatoropts['pkgmgr'], ', '.join(pkgmgrs)))
76 creator = raw.RawImageCreator(creatoropts, pkgmgr)
78 if len(recording_pkgs) > 0:
79 creator._recording_pkgs = recording_pkgs
82 creator.check_depend_tools()
83 creator.mount(None, creatoropts["cachedir"])
85 creator.configure(creatoropts["repomd"])
87 creator.package(creatoropts["outdir"])
88 if creatoropts['release'] is not None:
89 creator.release_output(ksconf, creatoropts['outdir'], creatoropts['name'], creatoropts['release'])
90 creator.print_outimage_info()
92 except errors.CreatorError:
97 msger.info("Finished.")
101 def do_chroot(cls, target):
103 imgsize = misc.get_file_size(img) * 1024L * 1024L
104 partedcmd = fs_related.find_binary_path("parted")
105 disk = fs_related.SparseLoopbackDisk(img, imgsize)
106 imgmnt = misc.mkdtemp()
107 imgloop = PartitionedMount({'/dev/sdb':disk}, imgmnt, skipformat = True)
110 # Check the partitions from raw disk.
113 for line in runner.outs([partedcmd,"-s",img,"unit","B","print"]).splitlines():
116 # Lines that start with number are the partitions,
117 # because parted can be translated we can't refer to any text lines.
118 if not line or not line[0].isdigit():
121 # Some vars have extra , as list seperator.
122 line = line.replace(",","")
124 # Example of parted output lines that are handled:
125 # Number Start End Size Type File system Flags
126 # 1 512B 3400000511B 3400000000B primary
127 # 2 3400531968B 3656384511B 255852544B primary linux-swap(v1)
128 # 3 3656384512B 3720347647B 63963136B primary fat16 boot, lba
130 partition_info = re.split("\s+",line)
132 size = partition_info[3].split("B")[0]
134 if len(partition_info) < 6 or partition_info[5] in ["boot"]:
135 # No filesystem can be found from partition line. Assuming
136 # btrfs, because that is the only MeeGo fs that parted does
137 # not recognize properly.
138 # TODO: Can we make better assumption?
140 elif partition_info[5] in ["ext2","ext3","ext4","btrfs"]:
141 fstype = partition_info[5]
142 elif partition_info[5] in ["fat16","fat32"]:
144 elif "swap" in partition_info[5]:
147 raise errors.CreatorError("Could not recognize partition fs type '%s'." % partition_info[5])
149 if not root_mounted and fstype in ["ext2","ext3","ext4","btrfs"]:
150 # TODO: Check that this is actually the valid root partition from /etc/fstab
153 elif fstype == "swap":
156 # TODO: Assing better mount points for the rest of the partitions.
157 partition_mounts += 1
158 mountpoint = "/media/partition_%d" % partition_mounts
160 if "boot" in partition_info:
165 msger.verbose("Size: %s Bytes, fstype: %s, mountpoint: %s, boot: %s" % (size, fstype, mountpoint, boot))
166 # TODO: add_partition should take bytes as size parameter.
167 imgloop.add_partition((int)(size)/1024/1024, "/dev/sdb", mountpoint, fstype = fstype, boot = boot)
172 except errors.MountError:
177 chroot.chroot(imgmnt, None, "/bin/env HOME=/root /bin/bash")
179 raise errors.CreatorError("Failed to chroot to %s." %img)
181 chroot.cleanup_after_chroot("img", imgloop, None, imgmnt)
184 def do_unpack(cls, srcimg):
185 srcimgsize = (misc.get_file_size(srcimg)) * 1024L * 1024L
186 srcmnt = misc.mkdtemp("srcmnt")
187 disk = fs_related.SparseLoopbackDisk(srcimg, srcimgsize)
188 srcloop = PartitionedMount({'/dev/sdb':disk}, srcmnt, skipformat = True)
190 srcloop.add_partition(srcimgsize/1024/1024, "/dev/sdb", "/", "ext3", boot=False)
194 except errors.MountError:
198 image = os.path.join(tempfile.mkdtemp(dir = "/var/tmp", prefix = "tmp"), "target.img")
199 args = ['dd', "if=%s" % srcloop.partitions[0]['device'], "of=%s" % image]
201 msger.info("`dd` image ...")
202 rc = runner.show(args)
204 shutil.rmtree(os.path.dirname(srcmnt), ignore_errors = True)
207 raise errors.CreatorError("Failed to dd")