def fillp_transformer_data_status(self, protocol):
agent_driver = self.agents.get(protocol)
if not agent_driver:
_msg = "Conveyor agent does not supprt: %s" % protocol
LOG.error(_msg)
raise exception.V2vException(message=_msg)
try:
service_name = protocol + '-client'
res = agent_driver.query_transformer_task_status(service_name)
return res
except Exception as e:
_msg = "Conveyor agent query transformer data status error: %s" % e
LOG.error(_msg)
raise exception.V2vException(message=_msg)
def add_task(self, task):
if not task:
LOG.error("Add transformer task error: add task is null")
msg = "add transformer task is null"
raise exception.V2vException(message=msg)
task_id = task.id
exist_task = _task_map.get(task_id)
if exist_task:
LOG.error("Add transformer task error: add task is exist")
msg = "add transformer task is exist"
raise exception.V2vException(message=msg)
_task_map[task_id] = task
def remove(self, task_id):
task = _task_map.get(task_id)
if not task:
LOG.error("remove transformer task error: task is not exist")
msg = "Remove transformer task is not exist"
raise exception.V2vException(message=msg)
_task_map.pop(task_id)
def convert_version_to_int(version):
try:
if isinstance(version, six.string_types):
version = convert_version_to_tuple(version)
if isinstance(version, tuple):
return reduce(lambda x, y: (x * 1000) + y, version)
except Exception:
msg = _("Version %s is invalid.") % version
raise exception.V2vException(msg)
def get_task_state(self, task_id):
task = _task_map.get(task_id)
if not task:
LOG.error("Query transformer task state error: task is not exist")
msg = "Query transformer task state is not exist"
raise exception.V2vException(message=msg)
return task.task_state
def query_data_transformer_state(self, task_id):
try:
state = self.trans_states.get_task_state(task_id)
return state
except exception.V2vException as ext:
LOG.error("Query task %(task_id)s state error: %(error)s", {
'task_id': task_id,
'error': ext
})
_msg = "Query task state error"
raise exception.V2vException(message=_msg)
def run(self):
args = self.args
if self.fun:
try:
self.fun(*args)
except Exception as e:
LOG.error("Conveyor agent operator %(ops)s error: %(error)s", {
'ops': self.fun,
'error': e
})
msg = 'Operator %s error' % self.fun
raise exception.V2vException(message=msg)
def start_transformer_data(self,
trans_ip,
trans_port,
src_dev,
des_dev,
protocol='fillp'):
agent_driver = self.agents.get(protocol)
if not agent_driver:
_msg = "Conveyor agent does not supprt: %s" % protocol
LOG.error(_msg)
raise exception.V2vException(message=_msg)
try:
res = agent_driver.transformer_data(trans_ip, trans_port, src_dev,
des_dev, protocol)
return res
except Exception as e:
_msg = "Conveyor agent transformer data error: %s" % e
LOG.error(_msg)
raise exception.V2vException(message=_msg)
def run(self):
args = self.args
if self.fun:
try:
self.fun(*args)
self.trans_states.update_state(self.task_id,
task_status.FINISHED)
except Exception as e:
self.trans_states.update_state(self.task_id, task_status.ERROR)
LOG.error("Conveyor agent operator %(ops)s error: %(error)s", {
'ops': self.fun,
'error': e
})
msg = "Operator %s error" % self.fun
raise exception.V2vException(message=msg)
def _fillp_copy_volume(self, volume, protocol):
# 1. get sgent vm info
src_disk_name = volume.get('src_dev_name')
dev_disk_name = volume.get('des_dev_name')
src_vm_url = volume.get('src_gw_url')
des_vm_url = volume.get('des_gw_url')
mount_dir = volume.get('src_mount_point', None)
mount = None
if mount_dir:
mount = mount_dir[0]
des_urls = des_vm_url.split(':')
if len(des_urls) != 2:
LOG.error("Inpute source gw url error: %s", des_vm_url)
msg = "Inpute source gw url error: %s" % des_vm_url
raise exception.InvalidInput(reason=msg)
des_ip = des_urls[0]
# 2. start fillp server
trans_port = volume.get('trans_port')
agent_driver = self.agents.get(protocol)
try:
agent_driver.start_fillp_server(des_ip, trans_port, dev_disk_name,
protocol)
except Exception as e:
_msg = "Conveyor agent start fillp server error: %s" % e
LOG.error(_msg)
raise exception.V2vException(message=_msg)
# 3. start data transformer
# splite remove gw url, get host ip and port
src_urls = src_vm_url.split(':')
if len(src_urls) != 2:
LOG.error("Input source gw url error: %s", src_vm_url)
msg = "Input Source gw url error: %s" % src_vm_url
raise exception.InvalidInput(reason=msg)
src_vm_ip = src_urls[0]
src_vm_port = src_urls[1]
try:
# create transformer task and return task id for querying it's
# state
task_id = uuidutils.generate_uuid()
task_state = task_status.TRANSFORMERING
task = transformer.TransformerTask(task_id, task_state=task_state)
self.trans_states.add_task(task)
# start data transformer task thread
args = [
src_vm_ip, src_vm_port, des_ip, trans_port, src_disk_name,
dev_disk_name, protocol, mount
]
thread = AgentThread(self._fillp_transformer_data,
self.trans_states, task_id, *args)
thread.start()
return task_id
except Exception as e:
LOG.error("Download data error: %s", e)
raise exception.DownLoadDataError(Error=e)
