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diff --git a/scripts/lib/mic/plugins/imager/raw_plugin.py b/scripts/lib/mic/plugins/imager/raw_plugin.py
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1#!/usr/bin/python -tt
2#
3# Copyright (c) 2011 Intel, Inc.
4#
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
8#
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
12# for more details.
13#
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.
17
18import os
19import shutil
20import re
21import tempfile
22
23from mic import chroot, msger, rt_util
24from mic.utils import misc, fs_related, errors, runner, cmdln
25from mic.conf import configmgr
26from mic.plugin import pluginmgr
27from mic.utils.partitionedfs import PartitionedMount
28
29import mic.imager.raw as raw
30
31from mic.pluginbase import ImagerPlugin
32class RawPlugin(ImagerPlugin):
33 name = 'raw'
34
35 @classmethod
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 @cmdln.option("--fstab-entry", dest="fstab_entry", type='choice',
45 choices=("name", "uuid"), default="uuid",
46 help="Set fstab entry, 'name' means using device names, "
47 "'uuid' means using filesystem uuid")
48 def do_create(self, subcmd, opts, *args):
49 """${cmd_name}: create raw image
50
51 Usage:
52 ${name} ${cmd_name} <ksfile> [OPTS]
53
54 ${cmd_option_list}
55 """
56
57 if len(args) != 1:
58 raise errors.Usage("Extra arguments given")
59
60 creatoropts = configmgr.create
61 ksconf = args[0]
62
63 if creatoropts['runtime'] == "bootstrap":
64 configmgr._ksconf = ksconf
65 rt_util.bootstrap_mic()
66
67 recording_pkgs = []
68 if len(creatoropts['record_pkgs']) > 0:
69 recording_pkgs = creatoropts['record_pkgs']
70
71 if creatoropts['release'] is not None:
72 if 'name' not in recording_pkgs:
73 recording_pkgs.append('name')
74 if 'vcs' not in recording_pkgs:
75 recording_pkgs.append('vcs')
76
77 configmgr._ksconf = ksconf
78
79 # Called After setting the configmgr._ksconf as the creatoropts['name'] is reset there.
80 if creatoropts['release'] is not None:
81 creatoropts['outdir'] = "%s/%s/images/%s/" % (creatoropts['outdir'], creatoropts['release'], creatoropts['name'])
82
83 # try to find the pkgmgr
84 pkgmgr = None
85 backends = pluginmgr.get_plugins('backend')
86 if 'auto' == creatoropts['pkgmgr']:
87 for key in configmgr.prefer_backends:
88 if key in backends:
89 pkgmgr = backends[key]
90 break
91 else:
92 for key in backends.keys():
93 if key == creatoropts['pkgmgr']:
94 pkgmgr = backends[key]
95 break
96
97 if not pkgmgr:
98 raise errors.CreatorError("Can't find backend: %s, "
99 "available choices: %s" %
100 (creatoropts['pkgmgr'],
101 ','.join(backends.keys())))
102
103 creator = raw.RawImageCreator(creatoropts, pkgmgr, opts.compress_image,
104 opts.generate_bmap, opts.fstab_entry)
105
106 if len(recording_pkgs) > 0:
107 creator._recording_pkgs = recording_pkgs
108
109 images = ["%s-%s.raw" % (creator.name, disk_name)
110 for disk_name in creator.get_disk_names()]
111 self.check_image_exists(creator.destdir,
112 creator.pack_to,
113 images,
114 creatoropts['release'])
115
116 try:
117 creator.check_depend_tools()
118 creator.mount(None, creatoropts["cachedir"])
119 creator.install()
120 creator.configure(creatoropts["repomd"])
121 creator.copy_kernel()
122 creator.unmount()
123 creator.generate_bmap()
124 creator.package(creatoropts["outdir"])
125 if creatoropts['release'] is not None:
126 creator.release_output(ksconf, creatoropts['outdir'], creatoropts['release'])
127 creator.print_outimage_info()
128
129 except errors.CreatorError:
130 raise
131 finally:
132 creator.cleanup()
133
134 msger.info("Finished.")
135 return 0
136
137 @classmethod
138 def do_chroot(cls, target, cmd=[]):
139 img = target
140 imgsize = misc.get_file_size(img) * 1024L * 1024L
141 partedcmd = fs_related.find_binary_path("parted")
142 disk = fs_related.SparseLoopbackDisk(img, imgsize)
143 imgmnt = misc.mkdtemp()
144 imgloop = PartitionedMount(imgmnt, skipformat = True)
145 imgloop.add_disk('/dev/sdb', disk)
146 img_fstype = "ext3"
147
148 msger.info("Partition Table:")
149 partnum = []
150 for line in runner.outs([partedcmd, "-s", img, "print"]).splitlines():
151 # no use strip to keep line output here
152 if "Number" in line:
153 msger.raw(line)
154 if line.strip() and line.strip()[0].isdigit():
155 partnum.append(line.strip()[0])
156 msger.raw(line)
157
158 rootpart = None
159 if len(partnum) > 1:
160 rootpart = msger.choice("please choose root partition", partnum)
161
162 # Check the partitions from raw disk.
163 # if choose root part, the mark it as mounted
164 if rootpart:
165 root_mounted = True
166 else:
167 root_mounted = False
168 partition_mounts = 0
169 for line in runner.outs([partedcmd,"-s",img,"unit","B","print"]).splitlines():
170 line = line.strip()
171
172 # Lines that start with number are the partitions,
173 # because parted can be translated we can't refer to any text lines.
174 if not line or not line[0].isdigit():
175 continue
176
177 # Some vars have extra , as list seperator.
178 line = line.replace(",","")
179
180 # Example of parted output lines that are handled:
181 # Number Start End Size Type File system Flags
182 # 1 512B 3400000511B 3400000000B primary
183 # 2 3400531968B 3656384511B 255852544B primary linux-swap(v1)
184 # 3 3656384512B 3720347647B 63963136B primary fat16 boot, lba
185
186 partition_info = re.split("\s+",line)
187
188 size = partition_info[3].split("B")[0]
189
190 if len(partition_info) < 6 or partition_info[5] in ["boot"]:
191 # No filesystem can be found from partition line. Assuming
192 # btrfs, because that is the only MeeGo fs that parted does
193 # not recognize properly.
194 # TODO: Can we make better assumption?
195 fstype = "btrfs"
196 elif partition_info[5] in ["ext2","ext3","ext4","btrfs"]:
197 fstype = partition_info[5]
198 elif partition_info[5] in ["fat16","fat32"]:
199 fstype = "vfat"
200 elif "swap" in partition_info[5]:
201 fstype = "swap"
202 else:
203 raise errors.CreatorError("Could not recognize partition fs type '%s'." % partition_info[5])
204
205 if rootpart and rootpart == line[0]:
206 mountpoint = '/'
207 elif not root_mounted and fstype in ["ext2","ext3","ext4","btrfs"]:
208 # TODO: Check that this is actually the valid root partition from /etc/fstab
209 mountpoint = "/"
210 root_mounted = True
211 elif fstype == "swap":
212 mountpoint = "swap"
213 else:
214 # TODO: Assing better mount points for the rest of the partitions.
215 partition_mounts += 1
216 mountpoint = "/media/partition_%d" % partition_mounts
217
218 if "boot" in partition_info:
219 boot = True
220 else:
221 boot = False
222
223 msger.verbose("Size: %s Bytes, fstype: %s, mountpoint: %s, boot: %s" % (size, fstype, mountpoint, boot))
224 # TODO: add_partition should take bytes as size parameter.
225 imgloop.add_partition((int)(size)/1024/1024, "/dev/sdb", mountpoint, fstype = fstype, boot = boot)
226
227 try:
228 imgloop.mount()
229
230 except errors.MountError:
231 imgloop.cleanup()
232 raise
233
234 try:
235 if len(cmd) != 0:
236 cmdline = ' '.join(cmd)
237 else:
238 cmdline = "/bin/bash"
239 envcmd = fs_related.find_binary_inchroot("env", imgmnt)
240 if envcmd:
241 cmdline = "%s HOME=/root %s" % (envcmd, cmdline)
242 chroot.chroot(imgmnt, None, cmdline)
243 except:
244 raise errors.CreatorError("Failed to chroot to %s." %img)
245 finally:
246 chroot.cleanup_after_chroot("img", imgloop, None, imgmnt)
247
248 @classmethod
249 def do_unpack(cls, srcimg):
250 srcimgsize = (misc.get_file_size(srcimg)) * 1024L * 1024L
251 srcmnt = misc.mkdtemp("srcmnt")
252 disk = fs_related.SparseLoopbackDisk(srcimg, srcimgsize)
253 srcloop = PartitionedMount(srcmnt, skipformat = True)
254
255 srcloop.add_disk('/dev/sdb', disk)
256 srcloop.add_partition(srcimgsize/1024/1024, "/dev/sdb", "/", "ext3", boot=False)
257 try:
258 srcloop.mount()
259
260 except errors.MountError:
261 srcloop.cleanup()
262 raise
263
264 image = os.path.join(tempfile.mkdtemp(dir = "/var/tmp", prefix = "tmp"), "target.img")
265 args = ['dd', "if=%s" % srcloop.partitions[0]['device'], "of=%s" % image]
266
267 msger.info("`dd` image ...")
268 rc = runner.show(args)
269 srcloop.cleanup()
270 shutil.rmtree(os.path.dirname(srcmnt), ignore_errors = True)
271
272 if rc != 0:
273 raise errors.CreatorError("Failed to dd")
274 else:
275 return image