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https://github.com/kevingruesser/bootstrap-vz.git
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f62c8ade99
Up until now I didn't see the point of using spaces for indentation. However, the previous commit (a18bec3) was quite eye opening. Given that python is an indentation aware language, the amount of mistakes that went unnoticed because tabs and spaces were used at the same time (tabs for indentation and spaces for alignment) were unacceptable. E101,W191 have been re-enable in the tox flake8 checker and the documentation has been modified accordingly. The following files have been left as-is: * bootstrapvz/common/assets/extlinux/extlinux.conf * bootstrapvz/common/assets/init.d/expand-root * bootstrapvz/common/assets/init.d/generate-ssh-hostkeys * bootstrapvz/common/assets/init.d/squeeze/generate-ssh-hostkeys * bootstrapvz/plugins/docker_daemon/assets/init.d/docker * bootstrapvz/providers/ec2/assets/bin/growpart * bootstrapvz/providers/ec2/assets/grub.d/40_custom * bootstrapvz/providers/ec2/assets/init.d/ec2-get-credentials * bootstrapvz/providers/ec2/assets/init.d/ec2-run-user-data * docs/_static/taskoverview.coffee * docs/_static/taskoverview.less * tests/unit/subprocess.sh
45 lines
1.6 KiB
Python
45 lines
1.6 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 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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from bootstrapvz.common.tools import log_check_call
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import os
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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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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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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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