[Openstack-operators] Router associated with multiple l3 agents

Assaf Muller amuller at redhat.com
Wed Nov 25 00:21:21 UTC 2015


On Tue, Nov 24, 2015 at 5:26 PM, Matt Jarvis
<matt.jarvis at datacentred.co.uk> wrote:
> Nope, the HA flag is definitely set to false. Here's another example :
>
> root at osnet0:~# neutron l3-agent-list-hosting-router
> be651d53-1dd2-46eb-8d57-7e2aafd6ff57
>
> +--------------------------------------+--------+----------------+-------+
>
> | id                                   | host   | admin_state_up | alive |
>
> +--------------------------------------+--------+----------------+-------+
>
> | 1be0209b-4750-4c8f-ade5-3a9dba640de3 | osnet2 | True           | :-)   |
>
> | c821a370-b301-40c5-8b7b-25d147ffc904 | osnet1 | True           | :-)   |
>
> +--------------------------------------+--------+----------------+-------+
>
> root at osnet0:~# neutron router-show be651d53-1dd2-46eb-8d57-7e2aafd6ff57
>
> +-----------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
>
> | Field                 | Value
> |
>
> +-----------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
>
> | admin_state_up        | True
> |
>
> | distributed           | False
> |
>
> | external_gateway_info | {"network_id":
> "6751cb30-0aef-4d7e-94c3-ee2a09e705eb", "enable_snat": true,
> "external_fixed_ips": [{"subnet_id": "2af591ca-48ac-42b7-afc6-e691b3aa4c8a",
> "ip_address": "185.98.148.134"}]} |
>
> | ha                    | False
> |
>
> | id                    | be651d53-1dd2-46eb-8d57-7e2aafd6ff57
> |
>
> | name                  | dpcbe-core
> |
>
> | routes                |
> |
>
> | status                | ACTIVE
> |
>
> | tenant_id             | b28a8ac5bd7446adacfb60e1a3a3e723
> |
>
> +-----------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
>
> It's also weird that we've only seen this when the environment has been
> built using terraform. This particular customer re-creates the issue every
> time they rebuild.

I don't know anything about Terraform so I can't help you there. I don't imagine
there's any interesting errors/traces in the neutron-server logs?

>
>
> On 24 November 2015 at 21:03, Assaf Muller <amuller at redhat.com> wrote:
>>
>> The HA routers feature we merged in Juno, and those are scheduled to
>> multiple agents.
>> If you source admin credentials and 'neutron router-show
>> 951c8ec9-9a6c-4c6d-9d6d-049b3dee7f6f'
>> is the 'HA' flag set to True? Otherwise, this is a really weird bug
>> which I've never seen before.
>>
>> On Tue, Nov 24, 2015 at 11:25 AM, Matt Jarvis
>> <matt.jarvis at datacentred.co.uk> wrote:
>> > Hi All
>> >
>> > In the last week or so we've seen a couple of customer issues where a
>> > router
>> > is associated with more than one l3 agent, which obviously causes
>> > significant connectivity weirdness.
>> >
>> > ❯ neutron l3-agent-list-hosting-router
>> > 951c8ec9-9a6c-4c6d-9d6d-049b3dee7f6f
>> >
>> >
>> > +--------------------------------------+--------+----------------+-------+
>> >
>> > | id                                   | host   | admin_state_up | alive
>> > |
>> >
>> >
>> > +--------------------------------------+--------+----------------+-------+
>> >
>> > | 48132c36-b6b1-40fa-b9d9-5474f4f27c3a | osnet0 | True           | :-)
>> > |
>> >
>> > | c821a370-b301-40c5-8b7b-25d147ffc904 | osnet1 | True           | :-)
>> > |
>> >
>> > +--------------------------------------+--------+----------------+———+
>> >
>> >
>> > We've been unable to recreate it in testing, and the API doesn't let you
>> > do
>> > that. We think both customers are using Terraform, although that may be
>> > irrelevant. Anyone seen this behaviour before ? We are running Juno BTW.
>> >
>> >
>> > Matt
>> >
>> > --
>> > Matt Jarvis
>> > Head of Cloud Computing
>> > DataCentred
>> > Office: (+44)0161 8703985
>> > Mobile: (+44)07983 725372
>> > Email: matt.jarvis at datacentred.co.uk
>> > Website: http://www.datacentred.co.uk
>> >
>> > DataCentred Limited registered in England and Wales no. 05611763
>> > _______________________________________________
>> > OpenStack-operators mailing list
>> > OpenStack-operators at lists.openstack.org
>> > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
>> >
>
>
>
>
> --
> Matt Jarvis
> Head of Cloud Computing
> DataCentred
> Office: (+44)0161 8703985
> Mobile: (+44)07983 725372
> Email: matt.jarvis at datacentred.co.uk
> Website: http://www.datacentred.co.uk
>
> DataCentred Limited registered in England and Wales no. 05611763



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