Open Stack

Hi Mohan/Cathy
 I've installed now ovs 2.4.0 and followed
https://wiki.openstack.org/wiki/Neutron/ServiceInsertionAndChaining but I
got this error :
Regards,

+ neutron-ovs-cleanup
2016-06-07 11:25:36.465 22147 INFO neutron.common.config [-] Logging
enabled!
2016-06-07 11:25:36.468 22147 INFO neutron.common.config [-]
/usr/local/bin/neutron-ovs-cleanup version 7.1.1.dev4
2016-06-07 11:25:36.505 22147 ERROR neutron.agent.ovsdb.impl_vsctl [-]
Unable to execute ['ovs-vsctl', '--timeout=10', '--oneline',
'--format=json', '--', 'list-br'].
2016-06-07 11:25:36.505 22147 ERROR neutron.agent.ovsdb.impl_vsctl
Traceback (most recent call last):
2016-06-07 11:25:36.505 22147 ERROR neutron.agent.ovsdb.impl_vsctl   File
"/opt/stack/neutron/neutron/agent/ovsdb/impl_vsctl.py", line 63, in
run_vsctl
2016-06-07 11:25:36.505 22147 ERROR neutron.agent.ovsdb.impl_vsctl
log_fail_as_error=False).rstrip()
2016-06-07 11:25:36.505 22147 ERROR neutron.agent.ovsdb.impl_vsctl   File
"/opt/stack/neutron/neutron/agent/linux/utils.py", line 159, in execute
2016-06-07 11:25:36.505 22147 ERROR neutron.agent.ovsdb.impl_vsctl
raise RuntimeError(m)
2016-06-07 11:25:36.505 22147 ERROR neutron.agent.ovsdb.impl_vsctl
RuntimeError:
2016-06-07 11:25:36.505 22147 ERROR neutron.agent.ovsdb.impl_vsctl Command:
['sudo', 'ovs-vsctl', '--timeout=10', '--oneline', '--format=json', '--',
'list-br']
2016-06-07 11:25:36.505 22147 ERROR neutron.agent.ovsdb.impl_vsctl Exit
code: 1
2016-06-07 11:25:36.505 22147 ERROR neutron.agent.ovsdb.impl_vsctl
2016-06-07 11:25:36.505 22147 ERROR neutron.agent.ovsdb.impl_vsctl
2016-06-07 11:25:36.512 22147 CRITICAL neutron [-] RuntimeError:
Command: ['sudo', 'ovs-vsctl', '--timeout=10', '--oneline',
'--format=json', '--', 'list-br']
Exit code: 1

2016-06-07 11:25:36.512 22147 ERROR neutron Traceback (most recent call
last):
2016-06-07 11:25:36.512 22147 ERROR neutron   File
"/usr/local/bin/neutron-ovs-cleanup", line 10, in <module>
2016-06-07 11:25:36.512 22147 ERROR neutron     sys.exit(main())
2016-06-07 11:25:36.512 22147 ERROR neutron   File
"/opt/stack/neutron/neutron/cmd/ovs_cleanup.py", line 89, in main
2016-06-07 11:25:36.512 22147 ERROR neutron     ovs_bridges =
set(ovs.get_bridges())
2016-06-07 11:25:36.512 22147 ERROR neutron   File
"/opt/stack/neutron/neutron/agent/common/ovs_lib.py", line 132, in
get_bridges
2016-06-07 11:25:36.512 22147 ERROR neutron     return
self.ovsdb.list_br().execute(check_error=True)
2016-06-07 11:25:36.512 22147 ERROR neutron   File
"/opt/stack/neutron/neutron/agent/ovsdb/impl_vsctl.py", line 83, in execute
2016-06-07 11:25:36.512 22147 ERROR neutron     txn.add(self)
2016-06-07 11:25:36.512 22147 ERROR neutron   File
"/opt/stack/neutron/neutron/agent/ovsdb/api.py", line 70, in __exit__
2016-06-07 11:25:36.512 22147 ERROR neutron     self.result = self.commit()
2016-06-07 11:25:36.512 22147 ERROR neutron   File
"/opt/stack/neutron/neutron/agent/ovsdb/impl_vsctl.py", line 50, in commit
2016-06-07 11:25:36.512 22147 ERROR neutron     res = self.run_vsctl(args)
2016-06-07 11:25:36.512 22147 ERROR neutron   File
"/opt/stack/neutron/neutron/agent/ovsdb/impl_vsctl.py", line 70, in
run_vsctl
2016-06-07 11:25:36.512 22147 ERROR neutron     ctxt.reraise = False
2016-06-07 11:25:36.512 22147 ERROR neutron   File
"/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 204,
in __exit__
2016-06-07 11:25:36.512 22147 ERROR neutron     six.reraise(self.type_,
self.value, self.tb)
2016-06-07 11:25:36.512 22147 ERROR neutron   File
"/opt/stack/neutron/neutron/agent/ovsdb/impl_vsctl.py", line 63, in
run_vsctl
2016-06-07 11:25:36.512 22147 ERROR neutron
log_fail_as_error=False).rstrip()
2016-06-07 11:25:36.512 22147 ERROR neutron   File
"/opt/stack/neutron/neutron/agent/linux/utils.py", line 159, in execute
2016-06-07 11:25:36.512 22147 ERROR neutron     raise RuntimeError(m)
2016-06-07 11:25:36.512 22147 ERROR neutron RuntimeError:
2016-06-07 11:25:36.512 22147 ERROR neutron Command: ['sudo', 'ovs-vsctl',
'--timeout=10', '--oneline', '--format=json', '--', 'list-br']
2016-06-07 11:25:36.512 22147 ERROR neutron Exit code: 1
2016-06-07 11:25:36.512 22147 ERROR neutron
2016-06-07 11:25:36.512 22147 ERROR neutron
+ exit_trap
+ local r=1
++ jobs -p
+ jobs=
+ [[ -n '' ]]
+ kill_spinner
+ '[' '!' -z '' ']'
+ [[ 1 -ne 0 ]]
+ echo 'Error on exit'
Error on exit
+ generate-subunit 1465296797 1939 fail
+ [[ -z /opt/stack/logs ]]
+ /home/alioune/devstack/tools/worlddump.py -d /opt/stack/logs
World dumping... see /opt/stack/logs/worlddump-2016-06-07-112537.txt for
details
+ exit 1


On 7 June 2016 at 12:08, Mohan Kumar <nmohankumar1011 at gmail.com> wrote:

> Hi shihanzhang / Alioune ,
>
> *your kernel (check with uname -r )  should support OVS version , below
> table compare kern*el versions and corresponding Open vSwitch release
> support
>
> | Open vSwitch | Linux kernel
> |:------------:|:-------------:
> |    1.4.x     | 2.6.18 to 3.2
> |    1.5.x     | 2.6.18 to 3.2
> |    1.6.x     | 2.6.18 to 3.2
> |    1.7.x     | 2.6.18 to 3.3
> |    1.8.x     | 2.6.18 to 3.4
> |    1.9.x     | 2.6.18 to 3.8
> |    1.10.x    | 2.6.18 to 3.8
> |    1.11.x    | 2.6.18 to 3.8
> |    2.0.x     | 2.6.32 to 3.10
> |    2.1.x     | 2.6.32 to 3.11
> |    2.3.x     | 2.6.32 to 3.14
> |    2.4.x     | 2.6.32 to 4.0
> |    2.5.x     | 2.6.32 to 4.3
>
> http://openvswitch.org/support/dist-docs/FAQ.md.txt (
> ### Q: What Linux kernel versions does each Open vSwitch release work with?)
>
> I installed SFC with OVS 2.4.0  and 2.5.0 and not seen any issue
>
> Please check SFC wiki for installation guidelines : https://wiki.openstack.org/wiki/Neutron/ServiceInsertionAndChaining
>
>
> Thanks.,
>
> Mohankumar.N
>
>
>
>
>
> On Tue, Jun 7, 2016 at 1:46 PM, shihanzhang <ayshihanzhang at 126.com> wrote:
>
>> Hi Alioune and Cathy,
>>      For devstack on ubuntu14.04, the default ovs version is 2.0.2, so
>> there was the error as Alioune said.
>>      Do we need to install speical ovs version in networking-sfc
>> devstack plugin.sh?
>>
>>
>>
>>
>>
>> 在 2016-06-07 07:48:26，"Cathy Zhang" <Cathy.H.Zhang at huawei.com> 写道：
>>
>> Hi Alioune,
>>
>>
>>
>> Which OVS version are you using?
>>
>> Try openvswitch version 2.4.0 and restart the openvswitch-server before
>> installing the devstack.
>>
>>
>>
>> Cathy
>>
>>
>>
>> *From:* Alioune [mailto:balioune3 at gmail.com]
>> *Sent:* Friday, June 03, 2016 9:07 AM
>> *To:* openstack-dev at lists.openstack.org
>> *Cc:* Cathy Zhang
>> *Subject:* [openstack-dev][neutron][SFC]
>>
>>
>>
>> Probleme with OpenStack SFC
>>
>> Hi all,
>>
>> I've installed Openstack SFC with devstack and all module are corretly
>> running except the neutron L2-agent
>>
>>
>>
>> After a "screen -rd", it seems that there is a conflict between l2-agent
>> and SFC (see trace bellow).
>>
>> I solved the issue with "sudo ovs-vsctl set bridge br
>> protocols=OpenFlow10,OpenFlow11,OpenFlow12,OpenFlow13" on all openvswitch
>> bridge (br-int, br-ex, br-tun and br-mgmt0).
>>
>> I would like to know:
>>
>>       - If someone knows why this error arrises ?
>>
>>      - is there another way to solve it ?
>>
>>
>>
>> Regards,
>>
>>
>>
>> 2016-06-03 12:51:56.323 WARNING
>> neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
>> [req-1258bbbc-7211-4cfd-ab7c-8b856604f768 None None] OVS is dead.
>> OVSNeutronAgent will keep running and checking OVS status periodically.
>>
>> 2016-06-03 12:51:56.330 DEBUG
>> neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
>> [req-1258bbbc-7211-4cfd-ab7c-8b856604f768 None None] Agent rpc_loop -
>> iteration:4722 completed. Processed ports statistics: {'regular':
>> {'updated': 0, 'added': 0, 'removed': 0}}. Elapsed:0.086 from (pid=12775)
>> loop_count_and_wait
>> /opt/stack/neutron/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py:1680
>>
>> 2016-06-03 12:51:58.256 DEBUG
>> neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
>> [req-1258bbbc-7211-4cfd-ab7c-8b856604f768 None None] Agent rpc_loop -
>> iteration:4723 started from (pid=12775) rpc_loop
>> /opt/stack/neutron/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py:1732
>>
>> 2016-06-03 12:51:58.258 DEBUG neutron.agent.linux.utils
>> [req-1258bbbc-7211-4cfd-ab7c-8b856604f768 None None] Running command
>> (rootwrap daemon): ['ovs-ofctl', '-O openflow13', 'dump-flows', 'br-int',
>> 'table=23'] from (pid=12775) execute_rootwrap_daemon
>> /opt/stack/neutron/neutron/agent/linux/utils.py:101
>>
>> 2016-06-03 12:51:58.311 ERROR neutron.agent.linux.utils
>> [req-1258bbbc-7211-4cfd-ab7c-8b856604f768 None None]
>>
>> Command: ['ovs-ofctl', '-O openflow13', 'dump-flows', 'br-int',
>> 'table=23']
>>
>> Exit code: 1
>>
>> Stdin:
>>
>> Stdout:
>>
>> Stderr:
>> 2016-06-03T12:51:58Z|00001|vconn|WARN|unix:/var/run/openvswitch/br-int.mgmt:
>> version negotiation failed (we support version 0x04, peer supports version
>> 0x01)
>>
>> ovs-ofctl: br-int: failed to connect to socket (Broken pipe)
>>
>>
>>
>> 2016-06-03 12:51:58.323 ERROR
>> networking_sfc.services.sfc.common.ovs_ext_lib
>> [req-1258bbbc-7211-4cfd-ab7c-8b856604f768 None None]
>>
>> Command: ['ovs-ofctl', '-O openflow13', 'dump-flows', 'br-int',
>> 'table=23']
>>
>> Exit code: 1
>>
>> Stdin:
>>
>> Stdout:
>>
>> Stderr:
>> 2016-06-03T12:51:58Z|00001|vconn|WARN|unix:/var/run/openvswitch/br-int.mgmt:
>> version negotiation failed (we support version 0x04, peer supports version
>> 0x01)
>>
>> ovs-ofctl: br-int: failed to connect to socket (Broken pipe)
>>
>>
>>
>> 2016-06-03 12:51:58.323 TRACE
>> networking_sfc.services.sfc.common.ovs_ext_lib Traceback (most recent call
>> last):
>>
>> 2016-06-03 12:51:58.323 TRACE
>> networking_sfc.services.sfc.common.ovs_ext_lib   File
>> "/opt/stack/networking-sfc/networking_sfc/services/sfc/common/ovs_ext_lib.py",
>> line 125, in run_ofctl
>>
>> 2016-06-03 12:51:58.323 TRACE
>> networking_sfc.services.sfc.common.ovs_ext_lib
>> process_input=process_input)
>>
>> 2016-06-03 12:51:58.323 TRACE
>> networking_sfc.services.sfc.common.ovs_ext_lib   File
>> "/opt/stack/neutron/neutron/agent/linux/utils.py", line 159, in execute
>>
>> 2016-06-03 12:51:58.323 TRACE
>> networking_sfc.services.sfc.common.ovs_ext_lib     raise RuntimeError(m)
>>
>> 2016-06-03 12:51:58.323 TRACE
>> networking_sfc.services.sfc.common.ovs_ext_lib RuntimeError:
>>
>> 2016-06-03 12:51:58.323 TRACE
>> networking_sfc.services.sfc.common.ovs_ext_lib Command: ['ovs-ofctl', '-O
>> openflow13', 'dump-flows', 'br-int', 'table=23']
>>
>> 2016-06-03 12:51:58.323 TRACE
>> networking_sfc.services.sfc.common.ovs_ext_lib Exit code: 1
>>
>> 2016-06-03 12:51:58.323 TRACE
>> networking_sfc.services.sfc.common.ovs_ext_lib Stdin:
>>
>> 2016-06-03 12:51:58.323 TRACE
>> networking_sfc.services.sfc.common.ovs_ext_lib Stdout:
>>
>> 2016-06-03 12:51:58.323 TRACE
>> networking_sfc.services.sfc.common.ovs_ext_lib Stderr:
>> 2016-06-03T12:51:58Z|00001|vconn|WARN|unix:/var/run/openvswitch/br-int.mgmt:
>> version negotiation failed (we support version 0x04, peer supports version
>> 0x01)
>>
>> 2016-06-03 12:51:58.323 TRACE
>> networking_sfc.services.sfc.common.ovs_ext_lib ovs-ofctl: br-int: failed to
>> connect to socket (Broken pipe)
>>
>> 2016-06-03 12:51:58.323 TRACE
>> networking_sfc.services.sfc.common.ovs_ext_lib
>>
>> 2016-06-03 12:51:58.323 TRACE
>> networking_sfc.services.sfc.common.ovs_ext_lib
>>
>> 2016-06-03 12:51:58.335 ERROR
>> networking_sfc.services.sfc.common.ovs_ext_lib
>> [req-1258bbbc-7211-4cfd-ab7c-8b856604f768 None None] Unable to execute
>> ['ovs-ofctl', '-O openflow13', 'dump-flows', 'br-int', 'table=23'].
>>
>> 2016-06-03 12:51:58.337 WARNING
>> neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
>> [req-1258bbbc-7211-4cfd-ab7c-8b856604f768 None None] OVS is dead.
>> OVSNeutronAgent will keep running and checking OVS status periodically.
>>
>> 2016-06-03 12:51:58.341 DEBUG
>> neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent
>> [req-1258bbbc-7211-4cfd-ab7c-8b856604f768 None None] Agent rpc_loop -
>> iteration:4723 completed. Processed ports statistics: {'regular':
>> {'updated': 0, 'added': 0, 'removed': 0}}. Elapsed:0.085 from (pid=12775)
>> loop_count_and_wait
>> /opt/stack/neutron/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py:1680
>>
>>
>>
>>
>>
>>
>>
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