mirror of
https://github.com/kevingruesser/bootstrap-vz.git
synced 2025-08-22 09:50:37 +00:00
1d36255a78
The tarball bootstrap method now uses an existing tarball if it is found, regardless of its settings on the manifest, although it will create a new one only if `"tarball"` is `true`. This closes #24.
76 lines
2.6 KiB
Python
76 lines
2.6 KiB
Python
from bootstrapvz.base import Task
|
|
from .. import phases
|
|
from ..exceptions import TaskError
|
|
import host
|
|
import logging
|
|
import os.path
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
class AddRequiredCommands(Task):
|
|
description = 'Adding commands required for bootstrapping Debian'
|
|
phase = phases.preparation
|
|
successors = [host.CheckExternalCommands]
|
|
|
|
@classmethod
|
|
def run(cls, info):
|
|
info.host_dependencies['debootstrap'] = 'debootstrap'
|
|
|
|
|
|
def get_bootstrap_args(info):
|
|
executable = ['debootstrap']
|
|
options = ['--arch=' + info.manifest.system['architecture']]
|
|
if len(info.include_packages) > 0:
|
|
options.append('--include=' + ','.join(info.include_packages))
|
|
if len(info.exclude_packages) > 0:
|
|
options.append('--exclude=' + ','.join(info.exclude_packages))
|
|
mirror = info.manifest.bootstrapper.get('mirror', info.apt_mirror)
|
|
arguments = [info.manifest.system['release'], info.root, mirror]
|
|
return executable, options, arguments
|
|
|
|
|
|
def get_tarball_filename(info):
|
|
from hashlib import sha1
|
|
executable, options, arguments = get_bootstrap_args(info)
|
|
# Filter info.root which points at /target/volume-id, we won't ever hit anything with that in there.
|
|
hash_args = [arg for arg in arguments if arg != info.root]
|
|
tarball_id = sha1(repr(frozenset(options + hash_args))).hexdigest()[0:8]
|
|
tarball_filename = 'debootstrap-{id}.tar'.format(id=tarball_id)
|
|
return os.path.join(info.manifest.bootstrapper['workspace'], tarball_filename)
|
|
|
|
|
|
class MakeTarball(Task):
|
|
description = 'Creating bootstrap tarball'
|
|
phase = phases.os_installation
|
|
|
|
@classmethod
|
|
def run(cls, info):
|
|
executable, options, arguments = get_bootstrap_args(info)
|
|
info.tarball = get_tarball_filename(info)
|
|
if os.path.isfile(info.tarball):
|
|
log.debug('Found matching tarball, skipping creation')
|
|
else:
|
|
from ..tools import log_call
|
|
status, out, err = log_call(executable + options + ['--make-tarball=' + info.tarball] + arguments)
|
|
if status != 1:
|
|
msg = 'debootstrap exited with status {status}, it should exit with status 1'.format(status=status)
|
|
raise TaskError(msg)
|
|
|
|
|
|
class Bootstrap(Task):
|
|
description = 'Installing Debian'
|
|
phase = phases.os_installation
|
|
predecessors = [MakeTarball]
|
|
|
|
@classmethod
|
|
def run(cls, info):
|
|
executable, options, arguments = get_bootstrap_args(info)
|
|
info.tarball = get_tarball_filename(info)
|
|
if os.path.isfile(info.tarball):
|
|
if not info.manifest.bootstrapper.get('tarball', False):
|
|
# Only shows this message if it hasn't tried to create the tarball
|
|
log.debug('Found matching tarball, skipping download')
|
|
options.extend(['--unpack-tarball=' + info.tarball])
|
|
|
|
from ..tools import log_check_call
|
|
log_check_call(executable + options + arguments)
|