bootstrap-vz/plugins/prebootstrapped/tasks.py
Anders Ingemann 8891a18e4b Remove mount_specials from FSM
It makes modelling the different states more complicated
2013-10-27 18:11:54 +01:00

82 lines
2.6 KiB
Python

from base import Task
from common import phases
from providers.ec2.tasks import ebs
from common.tasks import volume
from common.tasks import bootstrap
import time
import logging
log = logging.getLogger(__name__)
class Snapshot(ebs.Snapshot):
description = 'Creating a snapshot of the bootstrapped volume'
phase = phases.os_installation
after = [bootstrap.Bootstrap]
def run(self, info):
super(Snapshot, self).run(info)
msg = 'A snapshot of the bootstrapped volume was created. ID: {id}'.format(id=info.snapshot.id)
log.info(msg)
class CreateFromSnapshot(Task):
description = 'Creating EBS volume from a snapshot'
phase = phases.volume_creation
before = [volume.Attach]
def run(self, info):
volume_size = int(info.manifest.volume['size'] / 1024)
snapshot = info.manifest.plugins['prebootstrapped']['snapshot']
info.volume.volume = info.connection.create_volume(volume_size,
info.host['availabilityZone'],
snapshot=snapshot)
while info.volume.volume_state() != 'available':
time.sleep(5)
info.volume.update()
set_fs_states(info.volume)
class CopyImage(Task):
description = 'Creating a snapshot of the bootstrapped volume'
phase = phases.os_installation
after = [bootstrap.Bootstrap]
def run(self, info):
import os.path
from shutil import copyfile
loopback_backup_name = 'volume-{id:x}.{ext}.backup'.format(id=info.run_id, ext=info.volume.extension)
destination = os.path.join(info.manifest.bootstrapper['workspace'], loopback_backup_name)
copyfile(info.volume.image_path, destination)
msg = 'A copy of the bootstrapped volume was created. Path: {path}'.format(path=destination)
log.info(msg)
class CreateFromImage(Task):
description = 'Creating loopback image from a copy'
phase = phases.volume_creation
before = [volume.Attach]
def run(self, info):
import os.path
from shutil import copyfile
info.volume.image_path = os.path.join(info.workspace, 'volume.{ext}'.format(ext=info.volume.extension))
loopback_backup_path = info.manifest.plugins['prebootstrapped']['image']
copyfile(loopback_backup_path, info.volume.image_path)
set_fs_states(info.volume)
def set_fs_states(volume):
volume.set_state('detached')
p_map = volume.partition_map
partitions_state = 'attached'
from base.fs.partitionmaps.none import NoPartitions
if isinstance(p_map, NoPartitions):
p_map.set_state('created')
partitions_state = 'formatted'
else:
p_map.set_state('unmapped')
partitions_state = 'unmapped_fmt'
for partition in p_map.partitions:
partition.set_state(partitions_state)