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f3d633780f
String concatenation can at times be easier to read that format(). One should choose whichever approach is more readable.
50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
from bootstrapvz.base import Task
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from .. import phases
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import host
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import volume
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class AddRequiredCommands(Task):
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description = 'Adding commands required for creating loopback volumes'
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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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from ..fs.loopbackvolume import LoopbackVolume
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if isinstance(info.volume, LoopbackVolume):
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info.host_dependencies['qemu-img'] = 'qemu-utils'
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info.host_dependencies['losetup'] = 'mount'
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from ..fs.qemuvolume import QEMUVolume
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if isinstance(info.volume, QEMUVolume):
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info.host_dependencies['losetup'] = 'mount'
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class Create(Task):
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description = 'Creating a loopback volume'
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phase = phases.volume_creation
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successors = [volume.Attach]
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@classmethod
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def run(cls, info):
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import os.path
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image_path = os.path.join(info.workspace, 'volume.' + info.volume.extension)
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info.volume.create(image_path)
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class MoveImage(Task):
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description = 'Moving volume image'
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phase = phases.image_registration
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@classmethod
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def run(cls, info):
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image_name = info.manifest.image['name'].format(**info.manifest_vars)
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filename = image_name + '.' + info.volume.extension
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import os.path
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destination = os.path.join(info.manifest.bootstrapper['workspace'], filename)
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import shutil
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shutil.move(info.volume.image_path, destination)
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import logging
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log = logging.getLogger(__name__)
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log.info('The volume image has been moved to ' + destination)
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