mirror of
https://github.com/kevingruesser/bootstrap-vz.git
synced 2025-08-22 09:50:37 +00:00
97 lines
3.8 KiB
Python
97 lines
3.8 KiB
Python
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from bootstrapvz.base import Task
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from bootstrapvz.common import phases
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from bootstrapvz.common.tasks import bootstrap
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from bootstrapvz.common.tasks import workspace
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from bootstrapvz.common.tools import sed_i
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import os
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import shutil
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from . import assets
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class CreateBootstrapFilterScripts(Task):
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description = 'Creating the bootstrapping locales filter script'
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phase = phases.os_installation
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successors = [bootstrap.Bootstrap]
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# Inspired by:
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# https://github.com/docker/docker/blob/1d775a54cc67e27f755c7338c3ee938498e845d7/contrib/mkimage/debootstrap
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@classmethod
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def run(cls, info):
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if info.bootstrap_script is not None:
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from bootstrapvz.common.exceptions import TaskError
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raise TaskError('info.bootstrap_script seems to already be set '
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'and is conflicting with this task')
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bootstrap_script = os.path.join(info.workspace, 'bootstrap_script.sh')
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filter_script = os.path.join(info.workspace, 'bootstrap_files_filter.sh')
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shutil.copy(os.path.join(assets, 'bootstrap-script.sh'), bootstrap_script)
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shutil.copy(os.path.join(assets, 'bootstrap-files-filter.sh'), filter_script)
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sed_i(bootstrap_script, r'BOOTSTRAP_FILES_FILTER_PATH', filter_script)
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sed_i(filter_script, r'EXCLUDE_PATTERN', "./usr/share/locale/.\+\|./usr/share/man/.\+")
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keep_files = ['./usr/share/locale/locale.alias',
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'./usr/share/man/man1',
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'./usr/share/man/man2',
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'./usr/share/man/man3',
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'./usr/share/man/man4',
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'./usr/share/man/man5',
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'./usr/share/man/man6',
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'./usr/share/man/man7',
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'./usr/share/man/man8',
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'./usr/share/man/man9',
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]
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locales = info.manifest.plugins['minimize_size']['apt']['locales']
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keep_files.extend(map(lambda l: './usr/share/locale/' + l + '/', locales))
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keep_files.extend(map(lambda l: './usr/share/man/' + l + '/', locales))
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sed_i(filter_script, r'INCLUDE_PATHS', "\n".join(keep_files))
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os.chmod(filter_script, 0755)
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info.bootstrap_script = bootstrap_script
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info._minimize_size['filter_script'] = filter_script
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class DeleteBootstrapFilterScripts(Task):
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description = 'Deleting the bootstrapping locales filter script'
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phase = phases.cleaning
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successors = [workspace.DeleteWorkspace]
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@classmethod
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def run(cls, info):
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os.remove(info._minimize_size['filter_script'])
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del info._minimize_size['filter_script']
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os.remove(info.bootstrap_script)
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class FilterLocales(Task):
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description = 'Configuring dpkg to only include specific locales/manpages when installing packages'
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phase = phases.os_installation
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successors = [bootstrap.Bootstrap]
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# Snatched from:
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# https://github.com/docker/docker/blob/1d775a54cc67e27f755c7338c3ee938498e845d7/contrib/mkimage/debootstrap
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# and
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# https://raphaelhertzog.com/2010/11/15/save-disk-space-by-excluding-useless-files-with-dpkg/
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@classmethod
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def run(cls, info):
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# This is before we start bootstrapping, so we create dpkg.cfg.d manually
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os.makedirs(os.path.join(info.root, 'etc/dpkg/dpkg.cfg.d'))
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locale_lines = ['path-exclude=/usr/share/locale/*',
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'path-include=/usr/share/locale/locale.alias']
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manpages_lines = ['path-exclude=/usr/share/man/*',
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'path-include=/usr/share/man/man[1-9]']
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locales = info.manifest.plugins['minimize_size']['apt']['locales']
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locale_lines.extend(map(lambda l: 'path-include=/usr/share/locale/' + l + '/*', locales))
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manpages_lines.extend(map(lambda l: 'path-include=/usr/share/man/' + l + '/*', locales))
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locales_path = os.path.join(info.root, 'etc/dpkg/dpkg.cfg.d/10filter-locales')
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manpages_path = os.path.join(info.root, 'etc/dpkg/dpkg.cfg.d/10filter-manpages')
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with open(locales_path, 'w') as locale_filter:
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locale_filter.write('\n'.join(locale_lines) + '\n')
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with open(manpages_path, 'w') as manpages_filter:
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manpages_filter.write('\n'.join(manpages_lines) + '\n')
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