def start_session(raven_json_str=None):
"""Start session command
This command sends a UserAgent and the protocol version
to the TA2 service
"""
if raven_json_str is None:
# Default if the user_agent is not from the UI
raven_dict = dict(user_agent=settings.TA2_GPRC_USER_AGENT)
else:
# The UI has sent JSON in string format that contains the user_agent
try:
raven_dict = json.loads(raven_json_str)
except json.decoder.JSONDecodeError as err_obj:
err_msg = 'Failed to convert UI Str to JSON: %s' % (err_obj)
return get_failed_precondition_sess_response(err_msg)
# The protocol version always comes from the latest
# version we have in the repo (just copied in for now)
#
raven_dict['version'] = TA2Connection.get_protocol_version()
# --------------------------------
# Convert back to string for TA2 call
# --------------------------------
content = json.dumps(raven_dict)
# --------------------------------
# convert the JSON string to a gRPC request
# --------------------------------
try:
req = Parse(content, core_pb2.SessionRequest())
except ParseError as err_obj:
err_msg = 'Failed to convert JSON to gRPC: %s' % (err_obj)
return get_failed_precondition_sess_response(err_msg)
# --------------------------------
# Get the connection, return an error if there are channel issues
# --------------------------------
core_stub, err_msg = TA2Connection.get_grpc_stub()
if err_msg:
return get_failed_precondition_sess_response(err_msg)
#return dict(status=core_pb2.FAILED_PRECONDITION,
# details=err_msg)
# --------------------------------
# Send the gRPC request
# --------------------------------
try:
reply = core_stub.StartSession(req)
except Exception as ex:
return get_failed_precondition_sess_response(str(ex))
# --------------------------------
# Convert the reply to JSON and send it back
# --------------------------------
return MessageToJson(reply)
def start_session(raven_json_str=None):
"""Start session command
This command sends a UserAgent and the protocol version
to the TA2 service
"""
if raven_json_str is None:
err_msg = 'No data found. Please send a "user_agent"'
return get_failed_precondition_sess_response(err_msg)
# Default if the user_agent is not from the UI
#raven_dict = dict(user_agent=settings.TA2_GPRC_USER_AGENT)
# The UI has sent JSON in string format that contains the user_agent
try:
raven_dict = json.loads(raven_json_str)
except json.decoder.JSONDecodeError as err_obj:
err_msg = 'Failed to convert UI Str to JSON: %s' % (err_obj)
return get_failed_precondition_sess_response(err_msg)
# check for a user_agent
#
if not KEY_USER_AGENT_FROM_UI in raven_dict:
return get_failed_precondition_sess_response(ERR_MSG_NO_USER_AGENT)
# The protocol version always comes from the latest
# version we have in the repo (just copied in for now)
#
raven_dict['version'] = TA2Connection.get_protocol_version()
# --------------------------------
# Convert back to string for TA2 call
# --------------------------------
content = json.dumps(raven_dict)
# --------------------------------
# convert the JSON string to a gRPC request
# --------------------------------
try:
req = Parse(content, core_pb2.SessionRequest())
except ParseError as err_obj:
err_msg = 'Failed to convert JSON to gRPC: %s' % (err_obj)
return get_failed_precondition_sess_response(err_msg)
# In test mode, check if the incoming JSON is legit (in line above)
# -- then return canned response
#
if settings.TA2_STATIC_TEST_MODE:
rnd_session_id = random_info.get_alphanumeric_string(7)
info_dict = dict(session_id=rnd_session_id,
api_version=TA3TA2Util.get_api_version())
return get_grpc_test_json('test_responses/startsession_ok.json',
info_dict)
#if random.randint(1,10) == 3:
# return get_grpc_test_json('test_responses/startsession_badassertion.json')
#else:
# return get_grpc_test_json('test_responses/startsession_ok.json', d)
# --------------------------------
# Get the connection, return an error if there are channel issues
# --------------------------------
core_stub, err_msg = TA2Connection.get_grpc_stub()
if err_msg:
return get_failed_precondition_sess_response(err_msg)
#return dict(status=core_pb2.FAILED_PRECONDITION,
# details=err_msg)
# --------------------------------
# Send the gRPC request
# --------------------------------
try:
reply = core_stub.StartSession(req)
except Exception as ex:
return get_failed_precondition_sess_response(str(ex))
# --------------------------------
# Convert the reply to JSON and send it back
# --------------------------------
return MessageToJson(reply)