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https://github.com/kevingruesser/bootstrap-vz.git
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38 lines
1.2 KiB
Python
38 lines
1.2 KiB
Python
from base import Task
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from common import phases
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from common.exceptions import TaskError
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class HostDependencies(Task):
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description = 'Determining required host dependencies'
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phase = phases.preparation
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def run(self, info):
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info.host_dependencies.add('debootstrap')
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from common.fs.loopbackvolume import LoopbackVolume
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if isinstance(info.volume, LoopbackVolume):
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info.host_dependencies.add('qemu-utils')
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if 'xfs' in (p.filesystem for p in info.volume.partition_map.partitions):
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info.host_dependencies.add('xfsprogs')
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from base.fs.partitionmaps.none import NoPartitions
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if not isinstance(info.volume.partition_map, NoPartitions):
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info.host_dependencies.update(['parted', 'kpartx'])
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class CheckHostDependencies(Task):
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description = 'Checking installed host packages'
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phase = phases.preparation
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predecessors = [HostDependencies]
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def run(self, info):
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from common.tools import log_check_call
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from subprocess import CalledProcessError
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for package in info.host_dependencies:
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try:
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log_check_call(['/usr/bin/dpkg-query', '-s', package])
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except CalledProcessError:
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msg = "The package `{0}\' is not installed".format(package)
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raise TaskError(msg)
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