mirror of
https://github.com/kevingruesser/bootstrap-vz.git
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39 lines
1.4 KiB
Python
39 lines
1.4 KiB
Python
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from bootstrapvz.base.fs.volume import Volume
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from bootstrapvz.common.tools import log_check_call
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import os
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class LogicalVolume(Volume):
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def __init__(self, partitionmap):
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super(LogicalVolume, self).__init__(partitionmap)
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self.vg = ''
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self.lv = ''
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def create(self, volumegroup, logicalvolume):
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self.vg = volumegroup
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self.lv = logicalvolume
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image_path = os.path.join(os.sep, 'dev', self.vg, self.lv)
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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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lv_size = str(self.size.bytes.get_qty_in('MiB'))
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log_check_call(['lvcreate', '--size', '{mib}M'.format(mib=lv_size),
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'--name', self.lv, self.vg])
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def _before_attach(self, e):
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log_check_call(['lvchange', '--activate', 'y', self.image_path])
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[self.loop_device_path] = log_check_call(['losetup', '--show', '--find', '--partscan', 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(['losetup', '--detach', self.loop_device_path])
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log_check_call(['lvchange', '--activate', 'n', self.image_path])
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del self.loop_device_path
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self.device_path = None
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def delete(self):
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log_check_call(['lvremove', '-f', self.image_path])
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del self.image_path
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