def _copy_volume_to_volume(self, dest_volume_name,
dest_volume_size,
dest_volume_id,
source_volume_name,
source_volume_size,
source_volume_id,
created = False,
source_attached = False,
dest_attached = False):
"""
"""
def _attach_disks_to_vm():
for detached_disk in detached_disks:
self._vcloud_client.attach_disk_to_vm(detached_disk['vapp_name'], detached_disk['disk_ref'])
def _delete_volumes():
for created_volume in created_volumes:
self._vcloud_client.delete_volume(created_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)
LOG.debug('copy volume to volume: dest: %s ID %s %s GB source: %s id: %s %s GB',
dest_volume_name, dest_volume_id, dest_volume_size,
source_volume_name, source_volume_id, source_volume_size)
detached_disks = []
created_volumes = []
attached_disk_names =[]
undo_mgr = util.UndoManager()
try:
if not created and dest_attached:
msg = _('only created destination volume can be attached')
LOG.error(msg)
raise exception.CinderException(msg)
result, source_disk_ref = self._vcloud_client.get_disk_ref(source_volume_name)
if not result:
msg = _('source volume %s cannot found') % source_volume_name
LOG.error(msg)
raise exception.CinderException(msg)
if source_attached:
source_vapp_name = self._vcloud_client.get_disk_attached_vapp(source_volume_name)
source_vapp = self._vcloud_client._get_vcloud_vapp(source_vapp_name)
if self._vcloud_client._get_status_first_vm(source_vapp) != constants.VM_POWER_OFF_STATUS:
msg = "when source volume is attached, the vm must be in power off state"
LOG.info(msg)
raise exception.CinderException(msg)
self._vcloud_client.detach_disk_from_vm(source_vapp_name, source_disk_ref)
source_detached_disk = {}
source_detached_disk['vapp_name'] = source_vapp_name
source_detached_disk['disk_ref'] = source_disk_ref
detached_disks.append(source_detached_disk)
undo_mgr.undo_with(_attach_disks_to_vm)
LOG.debug("source volume %s has been detached from vapp %s", source_volume_name, source_vapp_name)
if not created:
self._vcloud_client.create_volume(dest_volume_name, dest_volume_size)
created_volumes.append(dest_volume_name)
undo_mgr.undo_with(_delete_volumes)
LOG.debug("dst volume %s(%s GB) has been created", dest_volume_name, dest_volume_size)
result, dest_disk_ref = self._vcloud_client.get_disk_ref(dest_volume_name)
if not result:
msg = _('dest volume %s cannot found') % dest_volume_name
LOG.error(msg)
raise exception.CinderException(msg)
if dest_attached:
dest_vapp_name = self._vcloud_client.get_disk_attached_vapp(dest_volume_name)
dest_vapp = self._vcloud_client._get_vcloud_vapp(dest_vapp_name)
if self._vcloud_client._get_status_first_vm(dest_vapp) != constants.VM_POWER_OFF_STATUS:
msg = "when dest volume is attached, the vm must be in power off state"
LOG.info(msg)
raise exception.CinderException(msg)
self._vcloud_client.detach_disk_from_vm(dest_vapp_name, dest_disk_ref)
dest_detached_disk = {}
dest_detached_disk['vapp_name'] = dest_vapp_name
dest_detached_disk['disk_ref'] = dest_disk_ref
detached_disks.append(dest_detached_disk)
if undo_mgr.count_func(_attach_disks_to_vm) == 0:
undo_mgr.undo_with(_attach_disks_to_vm)
LOG.debug("dst volume %s has been detached from vapp %s", dest_volume_name, dest_vapp_name)
#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' % dest_volume_name
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)
local_disk_name = 'Local@%s' % clone_vapp_name[len('server@'):]
self._vcloud_client.create_volume(local_disk_name, 1)
created_volumes.append(local_disk_name)
if undo_mgr.count_func(_delete_volumes) == 0:
undo_mgr.undo_with(_delete_volumes)
LOG.debug("Create Local disk %s for vapp %s successful", local_disk_name, clone_vapp_name)
result, local_disk_ref = self._vcloud_client.get_disk_ref(local_disk_name)
self._vcloud_client.attach_disk_to_vm(clone_vapp_name, local_disk_ref)
attached_disk_names.append(local_disk_name)
undo_mgr.undo_with(_detach_disks_to_vm)
LOG.debug("attach local disk %s to vapp %s successful", local_disk_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)
odevs = set(client.list_volume()['devices'])
if self._vcloud_client.attach_disk_to_vm(clone_vapp_name, source_disk_ref):
attached_disk_names.append(source_volume_name)
LOG.debug("Volume %s attached to: %s",source_volume_name, clone_vapp_name)
ndevs = set(client.list_volume()['devices'])
devs = ndevs - odevs
for dev in devs:
client.attach_volume(source_volume_id, dev, constants.DEV1)
odevs = set(client.list_volume()['devices'])
if self._vcloud_client.attach_disk_to_vm(clone_vapp_name, dest_disk_ref):
attached_disk_names.append(dest_volume_name)
LOG.debug("Volume %s attached to: %s", dest_volume_name, clone_vapp_name)
ndevs = set(client.list_volume()['devices'])
devs = ndevs - odevs
for dev in devs:
client.attach_volume(dest_volume_id, dev, constants.DEV2)
LOG.debug('begin time of copy vloume(size %s GB) is %s', source_volume_size, time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()))
dest_volume = {}
dest_volume['id'] = dest_volume_id
dest_volume['size'] = dest_volume_size
src_volume = {}
src_volume['id'] = source_volume_id
src_volume['size'] = source_volume_size
task = client.clone_volume(dest_volume, src_volume)
while task['code'] == client_constants.TASK_DOING:
eventlet.greenthread.sleep(30)
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 copy vloume is %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(source_volume_name)
self._vcloud_client.detach_disk_from_vm(clone_vapp_name, source_disk_ref)
if source_attached:
detached_disks.remove(source_detached_disk)
self._vcloud_client.attach_disk_to_vm(source_vapp_name, source_disk_ref)
attached_disk_names.remove(local_disk_name)
self._vcloud_client.detach_disk_from_vm(clone_vapp_name, local_disk_ref)
attached_disk_names.remove(dest_volume_name)
self._vcloud_client.detach_disk_from_vm(clone_vapp_name, dest_disk_ref)
if dest_attached:
detached_disks.remove(dest_detached_disk)
self._vcloud_client.attach_disk_to_vm(dest_vapp_name, dest_disk_ref)
undo_mgr.cancel_undo(_delete_vapp)
self._vcloud_client.delete_vapp(clone_vapp_name)
created_volumes.remove(local_disk_name)
self._vcloud_client.delete_volume(local_disk_name)
return True
except Exception as e:
msg = _("Failed to copy volume to volume reason %s, rolling back") % e
LOG.error(msg)
undo_mgr.rollback_and_reraise(msg=msg)
return False
