def create_volume(self,
context,
topic,
volume_id,
snapshot_id=None,
image_id=None,
request_spec=None,
filter_properties=None,
volume=None):
self._wait_for_scheduler()
# FIXME(thangp): Remove this in v2.0 of RPC API.
if volume is None:
# For older clients, mimic the old behavior and look up the
# volume by its volume_id.
volume = objects.Volume.get_by_id(context, volume_id)
try:
flow_engine = create_volume.get_flow(context, db, self.driver,
request_spec,
filter_properties, volume,
snapshot_id, image_id)
except Exception:
msg = _("Failed to create scheduler manager volume flow")
LOG.exception(msg)
raise exception.CinderException(msg)
with flow_utils.DynamicLogListener(flow_engine, logger=LOG):
flow_engine.run()
def create_volume(self, context, topic, volume_id, snapshot_id=None,
image_id=None, request_spec=None,
filter_properties=None):
try:
flow_engine = create_volume.get_flow(context,
db, self.driver,
request_spec,
filter_properties,
volume_id,
snapshot_id,
image_id)
except Exception:
LOG.exception(_("Failed to create scheduler manager volume flow"))
raise exception.CinderException(
_("Failed to create scheduler manager volume flow"))
with flow_utils.DynamicLogListener(flow_engine, logger=LOG):
flow_engine.run()
def create_volume(self, context, volume, snapshot_id=None, image_id=None,
request_spec=None, filter_properties=None,
backup_id=None):
self._wait_for_scheduler()
try:
flow_engine = create_volume.get_flow(context,
self.driver,
request_spec,
filter_properties,
volume,
snapshot_id,
image_id,
backup_id)
except Exception:
msg = _("Failed to create scheduler manager volume flow")
LOG.exception(msg)
raise exception.CinderException(msg)
with flow_utils.DynamicLogListener(flow_engine, logger=LOG):
flow_engine.run()
def create(self,
context,
size,
name,
description,
snapshot=None,
image_id=None,
volume_type=None,
metadata=None,
availability_zone=None,
source_volume=None,
scheduler_hints=None,
backup_source_volume=None):
if source_volume and volume_type:
if volume_type['id'] != source_volume['volume_type_id']:
msg = _("Invalid volume_type provided (requested type "
"must match source volume, or be omitted). "
"You should omit the argument.")
raise exception.InvalidInput(reason=msg)
if snapshot and volume_type:
if volume_type['id'] != snapshot['volume_type_id']:
msg = _("Invalid volume_type provided (requested type "
"must match source snapshot, or be omitted). "
"You should omit the argument.")
raise exception.InvalidInput(reason=msg)
# Determine the valid availability zones that the volume could be
# created in (a task in the flow will/can use this information to
# ensure that the availability zone requested is valid).
raw_zones = self.list_availability_zones(enable_cache=True)
availability_zones = set([az['name'] for az in raw_zones])
if CONF.storage_availability_zone:
availability_zones.add(CONF.storage_availability_zone)
create_what = {
'context': context,
'raw_size': size,
'name': name,
'description': description,
'snapshot': snapshot,
'image_id': image_id,
'raw_volume_type': volume_type,
'metadata': metadata,
'raw_availability_zone': availability_zone,
'source_volume': source_volume,
'scheduler_hints': scheduler_hints,
'key_manager': self.key_manager,
'backup_source_volume': backup_source_volume,
'optional_args': {
'is_quota_committed': False
}
}
try:
flow_engine = create_volume.get_flow(self.scheduler_rpcapi,
self.volume_rpcapi, self.db,
self.image_service,
availability_zones,
create_what)
except Exception:
LOG.exception(_("Failed to create api volume flow"))
raise exception.CinderException(
_("Failed to create api volume flow"))
# Attaching this listener will capture all of the notifications that
# taskflow sends out and redirect them to a more useful log for
# cinders debugging (or error reporting) usage.
with flow_utils.DynamicLogListener(flow_engine, logger=LOG):
flow_engine.run()
return flow_engine.storage.fetch('volume')
