Provide the rpc_response_max_timeout parameter to sriov-agent

The rpc_response_max_timeout parameter is used in comminucation over
messaging queue, thus should be available for sriov-agent which
communicate with neutron-server over messaging queue.

Change-Id: Ie6ae31e40488fd8f3d43e83b25e536a7dd9d938c
Closes-Bug: #1930996
(cherry picked from commit be43141a5f)
(cherry picked from commit 04f4d9d406)
(cherry picked from commit 41e603b0c3)

neutron/opts.py

@@ -308,6 +308,10 @@ def list_ovs_opts():
 
 def list_sriov_agent_opts():
     return [
+        ('DEFAULT',
+         itertools.chain(
+             neutron.conf.service.RPC_EXTRA_OPTS)
+         ),
         ('sriov_nic',
          neutron.conf.plugins.ml2.drivers.mech_sriov.agent_common.
          sriov_nic_opts),

neutron/plugins/ml2/drivers/mech_sriov/agent/sriov_nic_agent.py

@@ -45,6 +45,7 @@ from neutron.common import config as common_config
 from neutron.common import profiler as setup_profiler
 from neutron.common import utils as n_utils
 from neutron.conf.agent import common as agent_config
+from neutron.conf import service as service_conf
 from neutron.plugins.ml2.drivers.mech_sriov.agent.common import config
 from neutron.plugins.ml2.drivers.mech_sriov.agent.common \
     import exceptions as exc
@@ -549,6 +550,8 @@ def main():
 
     common_config.setup_logging()
     agent_config.setup_privsep()
+    service_conf.register_service_opts(service_conf.RPC_EXTRA_OPTS, cfg.CONF)
+
     try:
         config_parser = SriovNicAgentConfigParser()
         config_parser.parse()

neutron/tests/unit/test_opts.py

@@ -21,4 +21,7 @@ from neutron.tests import base
 class OptsTestCase(base.BaseTestCase):
 
     def test_list_sriov_agent_opts(self):
-        self.assertEqual('sriov_nic', opts.list_sriov_agent_opts()[0][0])
+        sriov_agent_opts = opts.list_sriov_agent_opts()
+        self.assertEqual('DEFAULT', sriov_agent_opts[0][0])
+        self.assertEqual('sriov_nic', sriov_agent_opts[1][0])
+        self.assertEqual('agent', sriov_agent_opts[2][0])