diff options
Diffstat (limited to 'poky/scripts/lib/devtool/build_image.py')
| -rw-r--r-- | poky/scripts/lib/devtool/build_image.py | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/poky/scripts/lib/devtool/build_image.py b/poky/scripts/lib/devtool/build_image.py new file mode 100644 index 000000000..e5810389b --- /dev/null +++ b/poky/scripts/lib/devtool/build_image.py @@ -0,0 +1,174 @@ +# Development tool - build-image plugin +# +# Copyright (C) 2015 Intel Corporation +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +"""Devtool plugin containing the build-image subcommand.""" + +import os +import errno +import logging + +from bb.process import ExecutionError +from devtool import exec_build_env_command, setup_tinfoil, parse_recipe, DevtoolError + +logger = logging.getLogger('devtool') + +class TargetNotImageError(Exception): + pass + +def _get_packages(tinfoil, workspace, config): + """Get list of packages from recipes in the workspace.""" + result = [] + for recipe in workspace: + data = parse_recipe(config, tinfoil, recipe, True) + if 'class-target' in data.getVar('OVERRIDES').split(':'): + if recipe in data.getVar('PACKAGES').split(): + result.append(recipe) + else: + logger.warning("Skipping recipe %s as it doesn't produce a " + "package with the same name", recipe) + return result + +def build_image(args, config, basepath, workspace): + """Entry point for the devtool 'build-image' subcommand.""" + + image = args.imagename + auto_image = False + if not image: + sdk_targets = config.get('SDK', 'sdk_targets', '').split() + if sdk_targets: + image = sdk_targets[0] + auto_image = True + if not image: + raise DevtoolError('Unable to determine image to build, please specify one') + + try: + if args.add_packages: + add_packages = args.add_packages.split(',') + else: + add_packages = None + result, outputdir = build_image_task(config, basepath, workspace, image, add_packages) + except TargetNotImageError: + if auto_image: + raise DevtoolError('Unable to determine image to build, please specify one') + else: + raise DevtoolError('Specified recipe %s is not an image recipe' % image) + + if result == 0: + logger.info('Successfully built %s. You can find output files in %s' + % (image, outputdir)) + return result + +def build_image_task(config, basepath, workspace, image, add_packages=None, task=None, extra_append=None): + # remove <image>.bbappend to make sure setup_tinfoil doesn't + # break because of it + target_basename = config.get('SDK', 'target_basename', '') + if target_basename: + appendfile = os.path.join(config.workspace_path, 'appends', + '%s.bbappend' % target_basename) + try: + os.unlink(appendfile) + except OSError as exc: + if exc.errno != errno.ENOENT: + raise + + tinfoil = setup_tinfoil(basepath=basepath) + try: + rd = parse_recipe(config, tinfoil, image, True) + if not rd: + # Error already shown + return (1, None) + if not bb.data.inherits_class('image', rd): + raise TargetNotImageError() + + # Get the actual filename used and strip the .bb and full path + target_basename = rd.getVar('FILE') + target_basename = os.path.splitext(os.path.basename(target_basename))[0] + config.set('SDK', 'target_basename', target_basename) + config.write() + + appendfile = os.path.join(config.workspace_path, 'appends', + '%s.bbappend' % target_basename) + + outputdir = None + try: + if workspace or add_packages: + if add_packages: + packages = add_packages + else: + packages = _get_packages(tinfoil, workspace, config) + else: + packages = None + if not task: + if not packages and not add_packages and workspace: + logger.warning('No recipes in workspace, building image %s unmodified', image) + elif not packages: + logger.warning('No packages to add, building image %s unmodified', image) + + if packages or extra_append: + bb.utils.mkdirhier(os.path.dirname(appendfile)) + with open(appendfile, 'w') as afile: + if packages: + # include packages from workspace recipes into the image + afile.write('IMAGE_INSTALL_append = " %s"\n' % ' '.join(packages)) + if not task: + logger.info('Building image %s with the following ' + 'additional packages: %s', image, ' '.join(packages)) + if extra_append: + for line in extra_append: + afile.write('%s\n' % line) + + if task in ['populate_sdk', 'populate_sdk_ext']: + outputdir = rd.getVar('SDK_DEPLOY') + else: + outputdir = rd.getVar('DEPLOY_DIR_IMAGE') + + tmp_tinfoil = tinfoil + tinfoil = None + tmp_tinfoil.shutdown() + + options = '' + if task: + options += '-c %s' % task + + # run bitbake to build image (or specified task) + try: + exec_build_env_command(config.init_path, basepath, + 'bitbake %s %s' % (options, image), watch=True) + except ExecutionError as err: + return (err.exitcode, None) + finally: + if os.path.isfile(appendfile): + os.unlink(appendfile) + finally: + if tinfoil: + tinfoil.shutdown() + return (0, outputdir) + + +def register_commands(subparsers, context): + """Register devtool subcommands from the build-image plugin""" + parser = subparsers.add_parser('build-image', + help='Build image including workspace recipe packages', + description='Builds an image, extending it to include ' + 'packages from recipes in the workspace', + group='testbuild', order=-10) + parser.add_argument('imagename', help='Image recipe to build', nargs='?') + parser.add_argument('-p', '--add-packages', help='Instead of adding packages for the ' + 'entire workspace, specify packages to be added to the image ' + '(separate multiple packages by commas)', + metavar='PACKAGES') + parser.set_defaults(func=build_image) |
