[Yahoo-eng-team] [Bug 1940073] [NEW] "Unable to create the network. No available network found in maximum allowed attempts." during rally stress test

Krzysztof Klimonda Mon, 16 Aug 2021 04:51:51 -0700

Public bug reported:

When running rally scenario NeutronNetworks.create_and_delete_networks
with concurrency of 60 the following error is observed:


--8<--8<--8<--
2021-08-16 11:28:41.526 710 ERROR oslo_db.api 
[req-61e1d9da-1bad-4410-94ce-d2945c13a2d5 05971ba84eac4b8eb176bd935909f9d0 
03904310315c47c7b33178da2bfc99a2 - default default] DB exceeded retry limit.: 
oslo_db.exception.RetryRequest: Unable to create the network. No available 
network found in maximum allowed attempts.
2021-08-16 11:28:41.526 710 ERROR oslo_db.api Traceback (most recent call last):
2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/oslo_db/api.py", line 142, in 
wrapper
2021-08-16 11:28:41.526 710 ERROR oslo_db.api     return f(*args, **kwargs)
2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/neutron_lib/db/api.py", line 
183, in wrapped
2021-08-16 11:28:41.526 710 ERROR oslo_db.api     LOG.debug("Retry wrapper got 
retriable exception: %s", e)
2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/oslo_utils/excutils.py", line 
220, in __exit__
2021-08-16 11:28:41.526 710 ERROR oslo_db.api     self.force_reraise()
2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/oslo_utils/excutils.py", line 
196, in force_reraise
2021-08-16 11:28:41.526 710 ERROR oslo_db.api     six.reraise(self.type_, 
self.value, self.tb)
2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/six.py", line 703, in reraise
2021-08-16 11:28:41.526 710 ERROR oslo_db.api     raise value
2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/neutron_lib/db/api.py", line 
179, in wrapped
2021-08-16 11:28:41.526 710 ERROR oslo_db.api     return f(*dup_args, 
**dup_kwargs)
2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/neutron/plugins/ml2/plugin.py",
 line 1053, in create_network
2021-08-16 11:28:41.526 710 ERROR oslo_db.api     result, mech_context = 
self._create_network_db(context, network)
2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/neutron/plugins/ml2/plugin.py",
 line 1012, in _create_network_db
2021-08-16 11:28:41.526 710 ERROR oslo_db.api     tenant_id)
2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/neutron/plugins/ml2/managers.py",
 line 226, in create_network_segments
2021-08-16 11:28:41.526 710 ERROR oslo_db.api     context, filters=filters)
2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/neutron/plugins/ml2/managers.py",
 line 312, in _allocate_tenant_net_segment
2021-08-16 11:28:41.526 710 ERROR oslo_db.api     segment = 
self._allocate_segment(context, network_type, filters)
2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/neutron/plugins/ml2/managers.py",
 line 308, in _allocate_segment
2021-08-16 11:28:41.526 710 ERROR oslo_db.api     return 
driver.obj.allocate_tenant_segment(context, filters)
2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/neutron/plugins/ml2/drivers/type_tunnel.py",
 line 391, in allocate_tenant_segment
2021-08-16 11:28:41.526 710 ERROR oslo_db.api     alloc = 
self.allocate_partially_specified_segment(context, **filters)
2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/neutron/plugins/ml2/drivers/helpers.py",
 line 153, in allocate_partially_specified_segment
2021-08-16 11:28:41.526 710 ERROR oslo_db.api     
exceptions.NoNetworkFoundInMaximumAllowedAttempts())
2021-08-16 11:28:41.526 710 ERROR oslo_db.api oslo_db.exception.RetryRequest: 
Unable to create the network. No available network found in maximum allowed 
attempts.
2021-08-16 11:28:41.526 710 ERROR oslo_db.api
--8<--8<--8<--

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1940073

Title:
  "Unable to create the network. No available network found in maximum
  allowed attempts." during rally stress test

Status in neutron:
  New

Bug description:
  When running rally scenario NeutronNetworks.create_and_delete_networks
  with concurrency of 60 the following error is observed:

  --8<--8<--8<--
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api 
[req-61e1d9da-1bad-4410-94ce-d2945c13a2d5 05971ba84eac4b8eb176bd935909f9d0 
03904310315c47c7b33178da2bfc99a2 - default default] DB exceeded retry limit.: 
oslo_db.exception.RetryRequest: Unable to create the network. No available 
network found in maximum allowed attempts.
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api Traceback (most recent call 
last):
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/oslo_db/api.py", line 142, in 
wrapper
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api     return f(*args, **kwargs)
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/neutron_lib/db/api.py", line 
183, in wrapped
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api     LOG.debug("Retry wrapper 
got retriable exception: %s", e)
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/oslo_utils/excutils.py", line 
220, in __exit__
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api     self.force_reraise()
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/oslo_utils/excutils.py", line 
196, in force_reraise
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api     six.reraise(self.type_, 
self.value, self.tb)
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/six.py", line 703, in reraise
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api     raise value
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/neutron_lib/db/api.py", line 
179, in wrapped
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api     return f(*dup_args, 
**dup_kwargs)
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/neutron/plugins/ml2/plugin.py",
 line 1053, in create_network
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api     result, mech_context = 
self._create_network_db(context, network)
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/neutron/plugins/ml2/plugin.py",
 line 1012, in _create_network_db
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api     tenant_id)
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/neutron/plugins/ml2/managers.py",
 line 226, in create_network_segments
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api     context, filters=filters)
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/neutron/plugins/ml2/managers.py",
 line 312, in _allocate_tenant_net_segment
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api     segment = 
self._allocate_segment(context, network_type, filters)
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/neutron/plugins/ml2/managers.py",
 line 308, in _allocate_segment
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api     return 
driver.obj.allocate_tenant_segment(context, filters)
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/neutron/plugins/ml2/drivers/type_tunnel.py",
 line 391, in allocate_tenant_segment
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api     alloc = 
self.allocate_partially_specified_segment(context, **filters)
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api   File 
"/var/lib/kolla/venv/lib/python3.6/site-packages/neutron/plugins/ml2/drivers/helpers.py",
 line 153, in allocate_partially_specified_segment
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api     
exceptions.NoNetworkFoundInMaximumAllowedAttempts())
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api oslo_db.exception.RetryRequest: 
Unable to create the network. No available network found in maximum allowed 
attempts.
  2021-08-16 11:28:41.526 710 ERROR oslo_db.api
  --8<--8<--8<--

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[Yahoo-eng-team] [Bug 1940073] [NEW] "Unable to create the network. No available network found in maximum allowed attempts." during rally stress test

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