[openstack-dev] [Neutron][neutron-lbaas][octavia] Not be able to ping loadbalancer ip

Wanjing Xu (waxu) waxu at cisco.com
Thu Nov 10 23:18:34 UTC 2016


Thanks, Michael.  Now I have brought up this octavia.  I have a question:
Is HA supported on octavia, or is it yet to come?  I am using
stable/mitaka and I only see one amphorae vm launched per loadbalancer.
And did anybody benchmark this octtavia against vender box?

Regards!

Wanjing

On 11/7/16, 10:02 AM, "Michael Johnson" <johnsomor at gmail.com> wrote:

>Hi Wanjing,
>
>You are not seeing the network interfaces for the VIP and member
>networks because they are inside a network namespace for security
>reasons.  You can see these by issuing "sudo ip netns exec
>amphora-haproxy ifconfig -a".
>
>I'm not sure what version of octavia and neutron you are using, but
>the issue you noted about "dns_name" was fixed here:
>https://review.openstack.org/#/c/337939/
>
>Michael
>
>
>On Thu, Nov 3, 2016 at 11:29 AM, Wanjing Xu (waxu) <waxu at cisco.com> wrote:
>> Going through the log , I saw the following error on o-hm
>>
>> 2016-11-03 03:31:06.441 19560 ERROR
>> octavia.controller.worker.controller_worker     request_ids=request_ids)
>> 2016-11-03 03:31:06.441 19560 ERROR
>> octavia.controller.worker.controller_worker BadRequest: Unrecognized
>> attribute(s) 'dns_name'
>> 2016-11-03 03:31:06.441 19560 ERROR
>> octavia.controller.worker.controller_worker Neutron server returns
>> request_ids: ['req-1daed46e-ce79-471c-a0af-6d86d191eeb2']
>>
>> And it seemed that I need to upgrade my neutron client.  While I am
>>planning
>> to do it, could somebody please send me the document on how this vip is
>> supposed to plug into the lbaas vm and what the failover is about ?
>>
>> Thanks!
>> Wanjing
>>
>>
>> From: Cisco Employee <waxu at cisco.com>
>> Reply-To: "OpenStack Development Mailing List (not for usage questions)"
>> <openstack-dev at lists.openstack.org>
>> Date: Wednesday, November 2, 2016 at 7:04 PM
>> To: "OpenStack Development Mailing List (not for usage questions)"
>> <openstack-dev at lists.openstack.org>
>> Subject: [openstack-dev] [Neutron][neutron-lbaas][octavia] Not be able
>>to
>> ping loadbalancer ip
>>
>> So I bring up octavia using devstack (stable/mitaka).   I created a
>> loadbalander and a listener(not create member yet) and start to look at
>>how
>> things are connected to each other.  I can ssh to amphora vm and I do
>>see a
>> haproxy is up with front end point to my listener.  I tried to ping
>>(from
>> dhcp namespace) to the loadbalancer ip, and ping could not go through.
>>I am
>> wondering how packet is supposed to reach this amphora vm.  I can see
>>that
>> the vm is launched on both network(lb_mgmt network and my vipnet), but I
>> don¹t see any nic associated with my vipnet:
>>
>> ubuntu at amphora-dad2f14e-76b4-4bd8-9051-b7a5627c6699:~$ ifconfig -a
>> eth0      Link encap:Ethernet  HWaddr fa:16:3e:b4:b2:45
>>           inet addr:192.168.0.4  Bcast:192.168.0.255  Mask:255.255.255.0
>>           inet6 addr: fe80::f816:3eff:feb4:b245/64 Scope:Link
>>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>>           RX packets:2496 errors:0 dropped:0 overruns:0 frame:0
>>           TX packets:2626 errors:0 dropped:0 overruns:0 carrier:0
>>           collisions:0 txqueuelen:1000
>>           RX bytes:307518 (307.5 KB)  TX bytes:304447 (304.4 KB)
>>
>> lo        Link encap:Local Loopback
>>           inet addr:127.0.0.1  Mask:255.0.0.0
>>           inet6 addr: ::1/128 Scope:Host
>>           UP LOOPBACK RUNNING  MTU:65536  Metric:1
>>           RX packets:212 errors:0 dropped:0 overruns:0 frame:0
>>           TX packets:212 errors:0 dropped:0 overruns:0 carrier:0
>>           collisions:0 txqueuelen:0
>>           RX bytes:18248 (18.2 KB)  TX bytes:18248 (18.2 KB)
>>
>> localadmin at dmz-eth2-ucs1:~/devstack$ nova list
>> 
>>+--------------------------------------+---------------------------------
>>-------------+--------+------------+-------------+-----------------------
>>------------------------+
>> | ID                                   | Name
>> | Status | Task State | Power State | Networks
>> |
>> 
>>+--------------------------------------+---------------------------------
>>-------------+--------+------------+-------------+-----------------------
>>------------------------+
>> | 557a3de3-a32e-419d-bdf5-41d92dd2333b |
>> amphora-dad2f14e-76b4-4bd8-9051-b7a5627c6699 | ACTIVE | -          |
>>Running
>> | lb-mgmt-net=192.168.0.4; vipnet=100.100.100.4 |
>> 
>>+--------------------------------------+---------------------------------
>>-------------+--------+------------+-------------+‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹‹
>>+
>>
>> And it seemed that amphora created a port from the vipnet for its
>>vrrp_ip,
>> but now sure how it is used and how it is supposed to help packet to
>>reach
>> loadbalancer ip
>>
>> It will be great if somebody can help on this, especially on network
>>side.
>>
>> Thanks
>> Wanjing
>>
>>
>> 
>>_________________________________________________________________________
>>_
>> OpenStack Development Mailing List (not for usage questions)
>> Unsubscribe: 
>>OpenStack-dev-request at lists.openstack.org?subject:unsubscribe
>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
>>
>
>__________________________________________________________________________
>OpenStack Development Mailing List (not for usage questions)
>Unsubscribe: OpenStack-dev-request at lists.openstack.org?subject:unsubscribe
>http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev




More information about the OpenStack-dev mailing list