def get_one(self, uuid):
"""Retrieve a single device profile by uuid."""
LOG.info('[device_profiles] get_one. uuid=%s', uuid)
api_obj_devprofs = self._get_device_profile_list(uuid=uuid)
if len(api_obj_devprofs) == 0:
raise exception.ResourceNotFound(resource='Device profile',
msg='with uuid %s' % uuid)
count = len(api_obj_devprofs)
if count != 1: # Should never happen because names are unique
raise exception.ExpectedOneObject(obj='device profile',
count=count)
ret = {"device_profile": api_obj_devprofs[0]}
LOG.info('[device_profiles] get_one returned: %s', ret)
# TODO(Sundar) Replace this with convert_with_links()
return wsme.api.Response(ret,
status_code=http_client.OK,
return_type=wsme.types.DictType)
def _get_bitstream_md_from_function_id(self, function_id):
"""Get bitstream metadata given a function id."""
# TODO(Shaohe) parametrize this role in config file.
conn = connection.Connection(cloud='devstack-admin')
properties = {constants.ACCEL_FUNCTION_ID: function_id}
resp = conn.image.get('/images', params=properties)
if resp:
image_list = resp.json()['images']
if type(image_list) != list:
raise exception.InvalidType(obj='image',
type=type(image_list),
expected='list')
if len(image_list) != 1:
raise exception.ExpectedOneObject(obj='image',
count=len(image_list))
LOG.info(
'[arqs:objs] For function id (%s), got '
'bitstream id (%s)', function_id, image_list[0]['id'])
return image_list[0]
else:
LOG.warning('Failed to get image for function (%s)', function_id)
return None
def _do_programming(self, context, deployable, bitstream_id):
"""FPGA program."""
hostname = self.arq.hostname
driver_name = deployable.driver_name
# query_filter = {"device_id": deployable.device_id}
# TODO(Shaohe) We should probably get cpid from objects layer,
# not db layer
cpid_list = deployable.get_cpid_list(context)
count = len(cpid_list)
if count != 1:
self.update_check_state(
context, constants.ARQ_BIND_FAILED)
raise exception.ExpectedOneObject(type='controlpath_id',
count=count)
controlpath_id = cpid_list[0]
controlpath_id['cpid_info'] = jsonutils.loads(
controlpath_id['cpid_info'])
LOG.info('Found control path id: %s', controlpath_id)
LOG.info('Starting programming for host: (%s) deployable (%s) '
'bitstream_id (%s)', hostname,
deployable.uuid, bitstream_id)
# TODO(Shaohe) do this asynchronously, do this in conductor or agent?
try:
agent = AgentAPI()
agent.fpga_program_v2(context, hostname,
controlpath_id, bitstream_id,
driver_name)
except Exception as e:
self.update_check_state(
context, constants.ARQ_BIND_FAILED)
LOG.error('Failed programming for host: (%s) deployable (%s). '
'Error: %s', hostname, deployable.uuid, e.message)
raise
LOG.info('Finished programming for host: (%s) deployable (%s)',
hostname, deployable.uuid)
# TODO(Shaohe) propagate agent errors to caller
return True