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https://github.com/kevingruesser/bootstrap-vz.git
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8418090018
After vmware-vdiskmanager runs, the image is left with a 600 permission. This commit fixes it by preserving the file permission before the shrink operation.
86 lines
2.8 KiB
Python
86 lines
2.8 KiB
Python
from bootstrapvz.base import Task
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from bootstrapvz.common import phases
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from bootstrapvz.common.tasks import apt
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from bootstrapvz.common.tasks import bootstrap
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from bootstrapvz.common.tasks import filesystem
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from bootstrapvz.common.tasks import host
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from bootstrapvz.common.tasks import partitioning
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from bootstrapvz.common.tasks import volume
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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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@classmethod
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def run(cls, info):
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info._minimize_size['foldermounts'] = os.path.join(info.workspace, 'minimize_size')
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os.mkdir(info._minimize_size['foldermounts'])
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for folder in folders:
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temp_path = os.path.join(info._minimize_size['foldermounts'], 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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@classmethod
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def run(cls, 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['foldermounts'], 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['foldermounts'])
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del info._minimize_size['foldermounts']
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class AddRequiredCommands(Task):
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description = 'Adding commands required for reducing volume size'
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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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if info.manifest.plugins['minimize_size'].get('zerofree', False):
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info.host_dependencies['zerofree'] = 'zerofree'
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if info.manifest.plugins['minimize_size'].get('shrink', False):
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link = 'https://my.vmware.com/web/vmware/info/slug/desktop_end_user_computing/vmware_workstation/10_0'
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info.host_dependencies['vmware-vdiskmanager'] = link
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class Zerofree(Task):
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description = 'Zeroing unused blocks on the root partition'
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phase = phases.volume_unmounting
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predecessors = [filesystem.UnmountRoot]
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successors = [partitioning.UnmapPartitions, volume.Detach]
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@classmethod
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def run(cls, info):
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from bootstrapvz.common.tools import log_check_call
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log_check_call(['zerofree', info.volume.partition_map.root.device_path])
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class ShrinkVolume(Task):
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description = 'Shrinking the volume'
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phase = phases.volume_unmounting
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predecessors = [volume.Detach]
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@classmethod
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def run(cls, info):
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from bootstrapvz.common.tools import log_check_call
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perm = os.stat(info.volume.image_path).st_mode & 0777
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log_check_call(['/usr/bin/vmware-vdiskmanager', '-k', info.volume.image_path])
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os.chmod(info.volume.image_path, perm)
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