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https://github.com/kevingruesser/bootstrap-vz.git
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105 lines
3.5 KiB
Python
105 lines
3.5 KiB
Python
from bootstrapvz.base import Task
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from .. import phases
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from ..exceptions import TaskError
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import host
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import logging
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import os.path
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log = logging.getLogger(__name__)
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class AddRequiredCommands(Task):
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description = 'Adding commands required for bootstrapping Debian'
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phase = phases.preparation
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successors = [host.CheckExternalCommands]
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@classmethod
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def run(cls, info):
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info.host_dependencies['debootstrap'] = 'debootstrap'
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def get_bootstrap_args(info):
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executable = ['debootstrap']
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arch = info.manifest.system.get('userspace_architecture', info.manifest.system.get('architecture'))
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options = ['--arch=' + arch]
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if 'variant' in info.manifest.bootstrapper:
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options.append('--variant=' + info.manifest.bootstrapper['variant'])
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if len(info.include_packages) > 0:
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options.append('--include=' + ','.join(info.include_packages))
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if len(info.exclude_packages) > 0:
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options.append('--exclude=' + ','.join(info.exclude_packages))
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mirror = info.manifest.bootstrapper.get('mirror', info.apt_mirror)
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arguments = [info.manifest.system['release'], info.root, mirror]
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return executable, options, arguments
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def get_tarball_filename(info):
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from hashlib import sha1
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executable, options, arguments = get_bootstrap_args(info)
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# Filter info.root which points at /target/volume-id, we won't ever hit anything with that in there.
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hash_args = [arg for arg in arguments if arg != info.root]
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tarball_id = sha1(repr(frozenset(options + hash_args))).hexdigest()[0:8]
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tarball_filename = 'debootstrap-' + tarball_id + '.tar'
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return os.path.join(info.manifest.bootstrapper['workspace'], tarball_filename)
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class MakeTarball(Task):
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description = 'Creating bootstrap tarball'
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phase = phases.os_installation
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@classmethod
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def run(cls, info):
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executable, options, arguments = get_bootstrap_args(info)
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tarball = get_tarball_filename(info)
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if os.path.isfile(tarball):
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log.debug('Found matching tarball, skipping creation')
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else:
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from ..tools import log_call
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status, out, err = log_call(executable + options + ['--make-tarball=' + tarball] + arguments)
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if status not in [0, 1]: # variant=minbase exits with 0
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msg = 'debootstrap exited with status {status}, it should exit with status 0 or 1'.format(status=status)
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raise TaskError(msg)
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class Bootstrap(Task):
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description = 'Installing Debian'
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phase = phases.os_installation
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predecessors = [MakeTarball]
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@classmethod
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def run(cls, info):
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executable, options, arguments = get_bootstrap_args(info)
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tarball = get_tarball_filename(info)
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if os.path.isfile(tarball):
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if not info.manifest.bootstrapper.get('tarball', False):
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# Only shows this message if it hasn't tried to create the tarball
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log.debug('Found matching tarball, skipping download')
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options.extend(['--unpack-tarball=' + tarball])
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if info.bootstrap_script is not None:
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# Optional bootstrapping script to modify the bootstrapping process
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arguments.append(info.bootstrap_script)
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from ..tools import log_check_call
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log_check_call(executable + options + arguments)
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class IncludePackagesInBootstrap(Task):
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description = 'Add packages in the bootstrap phase'
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phase = phases.preparation
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@classmethod
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def run(cls, info):
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info.include_packages.update(
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set(info.manifest.bootstrapper['include_packages'])
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)
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class ExcludePackagesInBootstrap(Task):
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description = 'Remove packages from bootstrap phase'
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phase = phases.preparation
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@classmethod
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def run(cls, info):
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info.exclude_packages.update(
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set(info.manifest.bootstrapper['exclude_packages'])
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)
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