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https://github.com/kevingruesser/bootstrap-vz.git
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83e1339145
It binds folders from the host machine to temporary and cache folders in the image. This way dynamic volumes will not grow in size when running `apt-get update` etc.
41 lines
1.2 KiB
Python
41 lines
1.2 KiB
Python
from base import Task
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from common import phases
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from common.tasks import bootstrap
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from common.tasks import apt
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import os
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folders = ['tmp', 'var/lib/apt/lists']
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class AddFolderMounts(Task):
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description = 'Mounting folders for writing temporary and cache data'
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phase = phases.os_installation
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predecessors = [bootstrap.Bootstrap]
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def run(self, info):
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info.minimize_size_folder = os.path.join(info.workspace, 'minimize_size')
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os.mkdir(info.minimize_size_folder)
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for folder in folders:
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temp_path = os.path.join(info.minimize_size_folder, folder.replace('/', '_'))
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os.mkdir(temp_path)
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full_path = os.path.join(info.root, folder)
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info.volume.partition_map.root.add_mount(temp_path, full_path, ['--bind'])
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class RemoveFolderMounts(Task):
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description = 'Removing folder mounts for temporary and cache data'
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phase = phases.system_cleaning
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successors = [apt.AptClean]
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def run(self, info):
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import shutil
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for folder in folders:
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temp_path = os.path.join(info.minimize_size_folder, folder.replace('/', '_'))
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full_path = os.path.join(info.root, folder)
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info.volume.partition_map.root.remove_mount(full_path)
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shutil.rmtree(temp_path)
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os.rmdir(info.minimize_size_folder)
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del info.minimize_size_folder
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