def copy_volume_to_image(self, context, volume, image_service, image_meta):
"""Creates glance image from volume."""
def _delete_vapp():
self._vcloud_client.delete_vapp(clone_vapp_name)
def _detach_disks_to_vm():
for attached_disk_name in attached_disk_names:
result, disk_ref = self._vcloud_client.get_disk_ref(attached_disk_name)
if result:
self._vcloud_client.detach_disk_from_vm(clone_vapp_name, disk_ref)
def _power_off_vapp():
self._vcloud_client.power_off_vapp(clone_vapp_name)
undo_mgr = util.UndoManager()
attached_disk_names = []
try:
LOG.info('begin time of copy_volume_to_image is %s' %
(time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())))
container_format = image_meta.get('container_format')
if container_format in VGW_URLS:
# attach the volume to vgw vm
disk_ref, vapp_name = self._attach_volume_to_vgw(volume)
try:
# use ssh client connect to vgw_host and copy image file to volume
self._copy_volume_to_file_to_vgw(image_meta)
finally:
self._vcloud_client.detach_disk_from_vm(vapp_name, disk_ref)
# create an empty file to glance
with image_utils.temporary_file() as tmp:
image_utils.upload_volume(context,
image_service,
image_meta,
tmp)
elif container_format == constants.HYBRID_VM:
volume_name = volume['display_name']
vcloud_volume_name = self._get_vcloud_volume_name(volume['id'], volume_name)
result,disk_ref = self._vcloud_client.get_disk_ref(vcloud_volume_name)
if not result:
msg = 'can not find volume %s in vcloud!' % vcloud_volume_name
LOG.error(msg)
raise exception.CinderException(msg)
if volume['volume_attachment']:
msg = 'copy volume to image not support attached volume!'
LOG.error(msg)
raise exception.CinderException(msg)
#NOTE(nkapotoxin): create vapp with vapptemplate
network_names = [CONF.vcloud.provider_tunnel_network_name, CONF.vcloud.provider_base_network_name]
network_configs = self._vcloud_client.get_network_configs(network_names)
# create vapp
clone_vapp_name = 'server@%s' % image_meta['id']
clone_vapp = self._vcloud_client.create_vapp(clone_vapp_name, CONF.vcloud.base_image_id, network_configs)
undo_mgr.undo_with(_delete_vapp)
LOG.debug("Create clone vapp %s successful" % clone_vapp_name)
# generate the network_connection
network_connections = self._vcloud_client.get_network_connections(clone_vapp, network_names)
# update network
self._vcloud_client.update_vms_connections(clone_vapp, network_connections)
# update vm specification
#self._vcloud_client.modify_vm_cpu(clone_vapp, instance.get_flavor().vcpus)
#self._vcloud_client.modify_vm_memory(clone_vapp, instance.get_flavor().memory_mb)
LOG.debug("Config vapp %s successful" % clone_vapp_name)
if self._vcloud_client.attach_disk_to_vm(clone_vapp_name, disk_ref):
attached_disk_names.append(vcloud_volume_name)
undo_mgr.undo_with(_detach_disks_to_vm)
LOG.debug("Volume %s attached to: %s", vcloud_volume_name, clone_vapp_name)
# power on it
self._vcloud_client.power_on_vapp(clone_vapp_name)
undo_mgr.undo_with(_power_off_vapp)
vapp_ip = self.get_vapp_ip(clone_vapp_name)
client = Client(vapp_ip, CONF.vcloud.hybrid_service_port)
self._wait_hybrid_service_up(vapp_ip, CONF.vcloud.hybrid_service_port)
LOG.debug("vapp %s(ip: %s) hybrid service has been up", clone_vapp_name, vapp_ip)
LOG.debug('begin time of create image is %s' % time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()))
task = client.create_image(image_meta['name'], image_meta['id'])
while task['code'] == client_constants.TASK_DOING:
eventlet.greenthread.sleep(10)
task = client.query_task(task)
if task['code'] != client_constants.TASK_SUCCESS:
LOG.error(task['message'])
raise exception.CinderException(task['message'])
else:
LOG.debug('end time of create image is %s' % time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()))
image_info = client.image_info(image_meta['name'], image_meta['id'])
if not image_info:
LOG.error('cannot get image info')
raise exception.CinderException('cannot get image info')
LOG.debug('begin time of image_utils upload_volume %s' % time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()))
with image_utils.temporary_file() as tmp:
with fileutils.file_open(tmp, 'wb+') as f:
f.truncate(image_info['size'])
image_utils.upload_volume(context,
image_service,
image_meta,
tmp,
volume_format=image_meta['disk_format'])
LOG.debug('end time of image_utils upload_volume %s' % time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()))
undo_mgr.cancel_undo(_power_off_vapp)
self._vcloud_client.power_off_vapp(clone_vapp_name)
attached_disk_names.remove(vcloud_volume_name)
self._vcloud_client.detach_disk_from_vm(clone_vapp_name, disk_ref)
undo_mgr.cancel_undo(_delete_vapp)
self._vcloud_client.delete_vapp(clone_vapp_name)
LOG.info('end time of copy_volume_to_image is %s' %
(time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())))
except Exception as e:
msg = _("Failed to copy volume to image reason %s, rolling back") % e
LOG.error(msg)
undo_mgr.rollback_and_reraise(msg=msg)
