bootstrap-vz/bootstrapvz/plugins/prebootstrapped/tasks.py
2018-02-25 10:27:53 +00:00

123 lines
4.6 KiB
Python

from bootstrapvz.base import Task
from bootstrapvz.common import phases
from bootstrapvz.common.tasks import volume
from bootstrapvz.common.tasks import packages
from bootstrapvz.providers.virtualbox.tasks import guest_additions
from bootstrapvz.providers.ec2.tasks import ebs
from bootstrapvz.common.fs import unmounted
from bootstrapvz.common.tools import log_check_call
from shutil import copyfile
import os.path
import time
import logging
log = logging.getLogger(__name__)
class Snapshot(Task):
description = 'Creating a snapshot of the bootstrapped volume'
phase = phases.package_installation
predecessors = [packages.InstallPackages, guest_additions.InstallGuestAdditions]
@classmethod
def run(cls, info):
snapshot = None
with unmounted(info.volume):
snapshot = info.volume.snapshot()
msg = 'A snapshot of the bootstrapped volume was created. ID: ' + snapshot.id
log.info(msg)
class CreateFromSnapshot(Task):
description = 'Creating EBS volume from a snapshot'
phase = phases.volume_creation
successors = [ebs.Attach]
@classmethod
def run(cls, info):
snapshot = info.manifest.plugins['prebootstrapped']['snapshot']
ebs_volume = info._ec2['connection'].create_volume(info.volume.size.bytes.get_qty_in('GiB'),
info._ec2['host']['availabilityZone'],
snapshot=snapshot)
while ebs_volume.volume_state() != 'available':
time.sleep(5)
ebs_volume.update()
info.volume.volume = ebs_volume
set_fs_states(info.volume)
class CopyImage(Task):
description = 'Creating a snapshot of the bootstrapped volume'
phase = phases.package_installation
predecessors = [packages.InstallPackages, guest_additions.InstallGuestAdditions]
@classmethod
def run(cls, info):
loopback_backup_name = 'volume-{id}.{ext}.backup'.format(id=info.run_id, ext=info.volume.extension)
destination = os.path.join(info.manifest.bootstrapper['workspace'], loopback_backup_name)
with unmounted(info.volume):
copyfile(info.volume.image_path, destination)
msg = 'A copy of the bootstrapped volume was created. Path: ' + destination
log.info(msg)
class CreateFromImage(Task):
description = 'Creating loopback image from a copy'
phase = phases.volume_creation
successors = [volume.Attach]
@classmethod
def run(cls, info):
info.volume.image_path = os.path.join(info.workspace, 'volume.' + info.volume.extension)
loopback_backup_path = info.manifest.plugins['prebootstrapped']['image']
copyfile(loopback_backup_path, info.volume.image_path)
set_fs_states(info.volume)
class CopyFolder(Task):
description = 'Creating a copy of the bootstrap folder'
phase = phases.package_installation
predecessors = [packages.InstallPackages, guest_additions.InstallGuestAdditions]
@classmethod
def run(cls, info):
folder_backup_name = '{id}.{ext}.backup'.format(id=info.run_id, ext=info.volume.extension)
destination = os.path.join(info.manifest.bootstrapper['workspace'], folder_backup_name)
log_check_call(['cp', '-a', info.volume.path, destination])
msg = 'A copy of the bootstrapped volume was created. Path: ' + destination
log.info(msg)
class CreateFromFolder(Task):
description = 'Creating bootstrap folder from a copy'
phase = phases.volume_creation
successors = [volume.Attach]
@classmethod
def run(cls, info):
info.root = os.path.join(info.workspace, 'root')
log_check_call(['cp', '-a', info.manifest.plugins['prebootstrapped']['folder'], info.root])
info.volume.path = info.root
info.volume.fsm.current = 'attached'
def set_fs_states(vol):
vol.fsm.current = 'detached'
p_map = vol.partition_map
from bootstrapvz.base.fs.partitionmaps.none import NoPartitions
if not isinstance(p_map, NoPartitions):
p_map.fsm.current = 'unmapped'
from bootstrapvz.base.fs.partitions.unformatted import UnformattedPartition
from bootstrapvz.base.fs.partitions.single import SinglePartition
for partition in p_map.partitions:
if isinstance(partition, UnformattedPartition):
partition.fsm.current = 'unmapped'
continue
if isinstance(partition, SinglePartition):
partition.fsm.current = 'formatted'
continue
partition.fsm.current = 'unmapped_fmt'