[openstack-dev] [Openstack] [Quantum] Update policy of device_id

Nachi Ueno nachi at nttmcl.com
Mon Aug 6 18:00:53 UTC 2012


Hi Dan

>> I report this bug recently.
>>
>> device_id should not be updated twice
>> https://bugs.launchpad.net/quantum/+bug/1031473
>>
>> Now,  a user can update device_id which may cause problem.
>
>
> Yeah, ideally this field could only be updated by the 'service' user (i.e.,
> nova or another openstack service).

I got it.
I fixed this something like Bob is doing for provider net extension.
( I'll add admin check for device id)


>>
>> This is related to port id spec for nova boot.
>> https://bugs.launchpad.net/nova/+bug/1031096
>>
>> My question is how we should deal with port on the failure or deletion.
>>
>> My patch will delete the port on failure or deletion
>> https://review.openstack.org/#/c/10639/
>>
>> Another spec could be update port device_id for None.
>> But this is depends on how we solve bug 1031473.
>
>
> Updating to empty-string/None is more what I had been thinking of, but I
> don't have my head fully wrapped around this.
>
> As I mentioned when we chatted about this in person, Amazon's elastic
> network interfaces (ENIs) are similar to quantum ports, and they have a
> specific flag that indicates whether the ENI should be deleted when the
> instance is deleted or not:
> http://docs.amazonwebservices.com/AWSEC2/latest/UserGuide/using-eni.html#change_term_behavior

I got it. I'll update my change for port.

Nachi


> There are some use cases when we would want to keep it around, and just
> reattach it to a new virtual server.
>
> Dan
>
>
>>
>>
>> Any thought?
>>
>> --
>> Nachi Ueno
>> email:nati.ueno at gmail.com
>> twitter:http://twitter.com/nati
>>
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>
>
>
> --
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Dan Wendlandt
> Nicira, Inc: www.nicira.com
> twitter: danwendlandt
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~
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