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https://github.com/kevingruesser/bootstrap-vz.git
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a840dc28f3
automatically from the first available partition. There is no need to fiddle with sizes while keeping the offsets in mind any longer. Introduced Bytes() class which makes it a lot easier to handle size units.
29 lines
834 B
Python
29 lines
834 B
Python
from base.fs.volume import Volume
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from common.tools import log_check_call
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class LoopbackVolume(Volume):
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extension = 'raw'
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def create(self, image_path):
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self.fsm.create(image_path=image_path)
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def _before_create(self, e):
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self.image_path = e.image_path
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vol_size = str(self.size.get_qty_in('MiB')) + 'M'
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log_check_call(['/usr/bin/qemu-img', 'create', '-f', 'raw', self.image_path, vol_size])
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def _before_attach(self, e):
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[self.loop_device_path] = log_check_call(['/sbin/losetup', '--show', '--find', self.image_path])
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self.device_path = self.loop_device_path
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def _before_detach(self, e):
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log_check_call(['/sbin/losetup', '--detach', self.loop_device_path])
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del self.loop_device_path
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del self.device_path
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def _before_delete(self, e):
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from os import remove
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remove(self.image_path)
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del self.image_path
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