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
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, args):
37 """${cmd_name}: create raw image
40 ${name} ${cmd_name} <ksfile> [OPTS]
45 creatoropts = configmgr.create
48 if creatoropts['runtime'] == "bootstrap":
49 configmgr._ksconf = ksconf
50 rt_util.bootstrap_mic()
53 if len(creatoropts['record_pkgs']) > 0:
54 recording_pkgs = creatoropts['record_pkgs']
56 if creatoropts['release'] is not None:
57 if 'name' not in recording_pkgs:
58 recording_pkgs.append('name')
59 if 'vcs' not in recording_pkgs:
60 recording_pkgs.append('vcs')
62 configmgr._ksconf = ksconf
64 # try to find the pkgmgr
66 backends = pluginmgr.get_plugins('backend')
67 if 'auto' == creatoropts['pkgmgr']:
68 for key in configmgr.prefer_backends:
70 pkgmgr = backends[key]
73 for key in backends.keys():
74 if key == creatoropts['pkgmgr']:
75 pkgmgr = backends[key]
79 raise errors.CreatorError("Can't find backend: %s, "
80 "available choices: %s" %
81 (creatoropts['pkgmgr'],
82 ','.join(backends.keys())))
84 creator = raw.RawImageCreator(creatoropts, pkgmgr, args.compress_image,
85 args.generate_bmap, args.fstab_entry)
87 if len(recording_pkgs) > 0:
88 creator._recording_pkgs = recording_pkgs
90 images = ["%s-%s.raw" % (creator.name, disk_name)
91 for disk_name in creator.get_disk_names()]
92 self.check_image_exists(creator.destdir,
95 creatoropts['release'])
98 creator.check_depend_tools()
99 creator.mount(None, creatoropts["cachedir"])
101 creator.configure(creatoropts["repomd"])
102 creator.copy_kernel()
103 if creatoropts['cpio']:
104 creator.create_cpio_image()
106 creator.generate_bmap()
107 creator.package(creatoropts["destdir"])
108 creator.create_manifest()
109 if creatoropts['release'] is not None:
110 creator.release_output(ksconf, creatoropts['destdir'], creatoropts['release'])
111 creator.print_outimage_info()
113 except errors.CreatorError:
118 msger.info("Finished.")
122 def do_chroot(cls, target, cmd=[]):
124 imgsize = misc.get_file_size(img) * 1024L * 1024L
125 partedcmd = fs_related.find_binary_path("parted")
126 disk = fs_related.SparseLoopbackDisk(img, imgsize)
127 imgmnt = misc.mkdtemp()
128 imgloop = PartitionedMount(imgmnt, skipformat = True)
129 imgloop.add_disk('/dev/sdb', disk)
132 msger.info("Partition Table:")
134 for line in runner.outs([partedcmd, "-s", img, "print"]).splitlines():
135 # no use strip to keep line output here
138 if line.strip() and line.strip()[0].isdigit():
139 partnum.append(line.strip()[0])
144 rootpart = msger.choice("please choose root partition", partnum)
146 # Check the partitions from raw disk.
147 # if choose root part, the mark it as mounted
153 for line in runner.outs([ partedcmd, "-s", img, "unit", "B", "print" ]).splitlines():
156 # Lines that start with number are the partitions,
157 # because parted can be translated we can't refer to any text lines.
158 if not line or not line[0].isdigit():
161 # Some vars have extra , as list seperator.
162 line = line.replace(",","")
164 # Example of parted output lines that are handled:
165 # Number Start End Size Type File system Flags
166 # 1 512B 3400000511B 3400000000B primary
167 # 2 3400531968B 3656384511B 255852544B primary linux-swap(v1)
168 # 3 3656384512B 3720347647B 63963136B primary fat16 boot, lba
170 partition_info = re.split("\s+", line)
172 size = partition_info[3].split("B")[0]
174 if len(partition_info) < 6 or partition_info[5] in ["boot"]:
175 # No filesystem can be found from partition line. Assuming
176 # btrfs, because that is the only MeeGo fs that parted does
177 # not recognize properly.
178 # TODO: Can we make better assumption?
180 elif partition_info[5] in [ "ext2", "ext3", "ext4", "btrfs" ]:
181 fstype = partition_info[5]
182 elif partition_info[5] in [ "fat16", "fat32" ]:
184 elif "swap" in partition_info[5]:
187 raise errors.CreatorError("Could not recognize partition fs type '%s'." %
190 if rootpart and rootpart == line[0]:
192 elif not root_mounted and fstype in [ "ext2", "ext3", "ext4", "btrfs" ]:
193 # TODO: Check that this is actually the valid root partition from /etc/fstab
196 elif fstype == "swap":
199 # TODO: Assing better mount points for the rest of the partitions.
200 partition_mounts += 1
201 mountpoint = "/media/partition_%d" % partition_mounts
203 if "boot" in partition_info:
208 msger.verbose("Size: %s Bytes, fstype: %s, mountpoint: %s, boot: %s" %
209 (size, fstype, mountpoint, boot))
210 # TODO: add_partition should take bytes as size parameter.
211 imgloop.add_partition((int)(size)/1024/1024, "/dev/sdb", mountpoint,
212 fstype = fstype, boot = boot)
217 except errors.MountError:
223 cmdline = ' '.join(cmd)
225 cmdline = "/bin/bash"
226 envcmd = fs_related.find_binary_inchroot("env", imgmnt)
228 cmdline = "%s HOME=/root %s" % (envcmd, cmdline)
229 chroot.chroot(imgmnt, None, cmdline)
231 raise errors.CreatorError("Failed to chroot to %s." %img)
233 chroot.cleanup_after_chroot("img", imgloop, None, imgmnt)
236 def do_unpack(cls, srcimg):
237 srcimgsize = (misc.get_file_size(srcimg)) * 1024L * 1024L
238 srcmnt = misc.mkdtemp("srcmnt")
239 disk = fs_related.SparseLoopbackDisk(srcimg, srcimgsize)
240 srcloop = PartitionedMount(srcmnt, skipformat = True)
242 srcloop.add_disk('/dev/sdb', disk)
243 srcloop.add_partition(srcimgsize/1024/1024, "/dev/sdb", "/", "ext3", boot=False)
247 except errors.MountError:
251 image = os.path.join(tempfile.mkdtemp(dir = "/var/tmp", prefix = "tmp"), "target.img")
252 args = ['dd', "if=%s" % srcloop.partitions[0]['device'], "of=%s" % image]
254 msger.info("`dd` image ...")
255 rc = runner.show(args)
257 shutil.rmtree(os.path.dirname(srcmnt), ignore_errors = True)
260 raise errors.CreatorError("Failed to dd")