[openstack-dev] [Nova]Ideas of idempotentcy-client-token

haruka tanizawa harubelle at gmail.com
Tue Oct 29 10:49:56 UTC 2013


Hi Joe!

Thank you for your reply and sharing the information.
I am going to rewrite blueprint from many point of view.

Sincerely,
Haruka Tanizawa


2013/10/29 Joe Gordon <joe.gordon0 at gmail.com>

>
>
>
> On Tue, Oct 29, 2013 at 8:50 AM, haruka tanizawa <harubelle at gmail.com>wrote:
>
>> Hi all!
>>
>>
>> I proposed 'Idempotency for OpenStack API' as before.
>> In this time, I rewrote BP(
>> https://blueprints.launchpad.net/nova/+spec/idempotentcy-client-token )
>> and I implemented proto of it.
>>
>>
>> I image below use-case.
>> User can't know instance ID when the client has gone away before user get
>> 'create server' response of request.
>> So, User need to something which User can specify token like a mark.
>> In the service, which can also be a problem of charging.
>>
>> In this case, idempotency client token is so useful.
>> To specify the token itself by User, User can know status of server.
>> How many times User put POST method, it is guaranteed the state of the
>> POST which was same with return of User's first POST request.
>>
>>
>> Moreover, I found that this BP(
>> https://blueprints.launchpad.net/heat/+spec/support-retry-with-idempotency)
>> is based on my blueprint.
>>
>>
>> If you have any idea about or question, please feel free to discuss
>> anything.
>> ** Also, I will attend HK summit.
>>
>
> I like the idea but two comments:
>
> * Can you fill out the questions found in
> http://justwriteclick.com/2013/09/17/openstack-docimpact-flag-walk-through/
> * Can you break down the blueprint into work items, so we can see what
> steps are involved
> * Since this is for OpenStack APIs only the name client-token makes me
> think of keystone tokens, so I think we need a better name.
>
>> Sincerely,
>> Haruka Tanizawa
>>
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>> OpenStack-dev at lists.openstack.org
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>>
>>
>
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