mirror of
https://github.com/kevingruesser/bootstrap-vz.git
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91 lines
3 KiB
Python
91 lines
3 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 volume
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from bootstrapvz.common.tasks import packages
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from bootstrapvz.providers.virtualbox.tasks import guest_additions
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from bootstrapvz.providers.ec2.tasks import ebs
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from bootstrapvz.common.fs import remount
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from shutil import copyfile
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import os.path
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import time
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import logging
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log = logging.getLogger(__name__)
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class Snapshot(Task):
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description = 'Creating a snapshot of the bootstrapped volume'
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phase = phases.package_installation
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predecessors = [packages.InstallPackages, guest_additions.InstallGuestAdditions]
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@classmethod
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def run(cls, info):
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def mk_snapshot():
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return info.volume.snapshot()
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snapshot = remount(info.volume, mk_snapshot)
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msg = 'A snapshot of the bootstrapped volume was created. ID: {id}'.format(id=snapshot.id)
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log.info(msg)
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class CreateFromSnapshot(Task):
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description = 'Creating EBS volume from a snapshot'
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phase = phases.volume_creation
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successors = [ebs.Attach]
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@classmethod
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def run(cls, info):
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snapshot = info.manifest.plugins['prebootstrapped']['snapshot']
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ebs_volume = info._ec2.connection.create_volume(info.volume.size.get_qty_in('GiB'),
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info._ec2.host['availabilityZone'],
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snapshot=snapshot)
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while ebs_volume.volume_state() != 'available':
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time.sleep(5)
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ebs_volume.update()
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info.volume.volume = ebs_volume
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set_fs_states(info.volume)
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class CopyImage(Task):
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description = 'Creating a snapshot of the bootstrapped volume'
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phase = phases.package_installation
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predecessors = [packages.InstallPackages, guest_additions.InstallGuestAdditions]
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@classmethod
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def run(cls, info):
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loopback_backup_name = 'volume-{id}.{ext}.backup'.format(id=info.run_id, ext=info.volume.extension)
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destination = os.path.join(info.manifest.bootstrapper['workspace'], loopback_backup_name)
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def mk_snapshot():
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copyfile(info.volume.image_path, destination)
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remount(info.volume, mk_snapshot)
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msg = 'A copy of the bootstrapped volume was created. Path: {path}'.format(path=destination)
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log.info(msg)
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class CreateFromImage(Task):
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description = 'Creating loopback image from a copy'
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phase = phases.volume_creation
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successors = [volume.Attach]
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@classmethod
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def run(cls, info):
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info.volume.image_path = os.path.join(info.workspace, 'volume.{ext}'.format(ext=info.volume.extension))
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loopback_backup_path = info.manifest.plugins['prebootstrapped']['image']
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copyfile(loopback_backup_path, info.volume.image_path)
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set_fs_states(info.volume)
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def set_fs_states(volume):
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volume.fsm.current = 'detached'
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p_map = volume.partition_map
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partitions_state = 'attached'
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from bootstrapvz.base.fs.partitionmaps.none import NoPartitions
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if isinstance(p_map, NoPartitions):
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partitions_state = 'formatted'
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else:
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p_map.fsm.current = 'unmapped'
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partitions_state = 'unmapped_fmt'
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for partition in p_map.partitions:
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partition.fsm.current = partitions_state
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