133 lines
4.9 KiB
Python
133 lines
4.9 KiB
Python
# ex:ts=4:sw=4:sts=4:et
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# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# DESCRIPTION
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# This implements the 'bootimg-partition' source plugin class for
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# 'wic'. The plugin creates an image of boot partition, copying over
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# files listed in IMAGE_BOOT_FILES bitbake variable.
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#
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# AUTHORS
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# Maciej Borzecki <maciej.borzecki (at] open-rnd.pl>
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#
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import logging
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import os
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import re
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from glob import glob
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from wic import WicError
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from wic.pluginbase import SourcePlugin
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from wic.misc import exec_cmd, get_bitbake_var
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logger = logging.getLogger('wic')
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class BootimgPartitionPlugin(SourcePlugin):
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"""
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Create an image of boot partition, copying over files
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listed in IMAGE_BOOT_FILES bitbake variable.
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"""
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name = 'bootimg-partition'
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@classmethod
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def do_prepare_partition(cls, part, source_params, cr, cr_workdir,
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oe_builddir, bootimg_dir, kernel_dir,
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rootfs_dir, native_sysroot):
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"""
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Called to do the actual content population for a partition i.e. it
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'prepares' the partition to be incorporated into the image.
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In this case, does the following:
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- sets up a vfat partition
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- copies all files listed in IMAGE_BOOT_FILES variable
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"""
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hdddir = "%s/boot.%d" % (cr_workdir, part.lineno)
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install_cmd = "install -d %s" % hdddir
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exec_cmd(install_cmd)
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if not kernel_dir:
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kernel_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
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if not kernel_dir:
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raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting")
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logger.debug('Kernel dir: %s', bootimg_dir)
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boot_files = None
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for (fmt, id) in (("_uuid-%s", part.uuid), ("_label-%s", part.label), (None, None)):
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if fmt:
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var = fmt % id
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else:
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var = ""
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boot_files = get_bitbake_var("IMAGE_BOOT_FILES" + var)
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if boot_files is not None:
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break
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if boot_files is None:
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raise WicError('No boot files defined, IMAGE_BOOT_FILES unset for entry #%d' % part.lineno)
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logger.debug('Boot files: %s', boot_files)
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# list of tuples (src_name, dst_name)
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deploy_files = []
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for src_entry in re.findall(r'[\w;\-\./\*]+', boot_files):
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if ';' in src_entry:
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dst_entry = tuple(src_entry.split(';'))
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if not dst_entry[0] or not dst_entry[1]:
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raise WicError('Malformed boot file entry: %s' % src_entry)
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else:
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dst_entry = (src_entry, src_entry)
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logger.debug('Destination entry: %r', dst_entry)
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deploy_files.append(dst_entry)
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for deploy_entry in deploy_files:
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src, dst = deploy_entry
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install_task = []
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if '*' in src:
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# by default install files under their basename
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entry_name_fn = os.path.basename
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if dst != src:
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# unless a target name was given, then treat name
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# as a directory and append a basename
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entry_name_fn = lambda name: \
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os.path.join(dst,
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os.path.basename(name))
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srcs = glob(os.path.join(kernel_dir, src))
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logger.debug('Globbed sources: %s', ', '.join(srcs))
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for entry in srcs:
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entry_dst_name = entry_name_fn(entry)
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install_task.append((entry,
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os.path.join(hdddir,
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entry_dst_name)))
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else:
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install_task = [(os.path.join(kernel_dir, src),
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os.path.join(hdddir, dst))]
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for task in install_task:
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src_path, dst_path = task
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logger.debug('Install %s as %s',
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os.path.basename(src_path), dst_path)
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install_cmd = "install -m 0644 -D %s %s" \
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% (src_path, dst_path)
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exec_cmd(install_cmd)
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logger.debug('Prepare boot partition using rootfs in %s', hdddir)
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part.prepare_rootfs(cr_workdir, oe_builddir, hdddir,
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native_sysroot)
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