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Hello, Duncan,

You got the idea! We have planned to use admin-API (one of the service added in the Tricircle) to manage the routing from the master region to other regions. For these global objects, will make sure the routing(or say mapping) is correct and objects have same attributes, for example, make sure the volume type and extra-spec matched from the master region to the specified regions.

Thank you very much.

Best Regards
Chaoyi Huang(joehuang)

________________________________
From: Duncan Thomas [duncan.thomas at gmail.com]
Sent: 31 August 2016 17:03
To: OpenStack Development Mailing List (not for usage questions)
Subject: Re: [openstack-dev] [tricircle]How to address TCs concerns in Tricircle big-tent application

If you're going with the approach of having a master region (which seems sensible), you're going to want an admin API that checks all of the regions setup matches in terms of these objects existing in all regions, for validation.

On 31 August 2016 at 10:16, joehuang <joehuang at huawei.com<mailto:joehuang at huawei.com>> wrote:
Hello, team,

During last weekly meeting, we discussed how to address TCs concerns in Tricircle big-tent application. After the weekly meeting, the proposal was co-prepared by our contributors: https://docs.google.com/presentation/d/1kpVo5rsL6p_rq9TvkuczjommJSsisDiKJiurbhaQg7E

The more doable way is to divide Tricircle into two independent and decoupled projects, only one of the projects which deal with networking automation will try to become an big-tent project, And Nova/Cinder API-GW will be removed from the scope of big-tent project application, and put them into another project:


TricircleNetworking: Dedicated for cross Neutron networking automation in multi-region OpenStack deployment, run without or with TricircleGateway. Try to become big-tent project in the current application of https://review.openstack.org/#/c/338796/.

TricircleGateway: Dedicated to provide API gateway for those who need single Nova/Cinder API endpoint in multi-region OpenStack deployment, run without or with TricircleNetworking. Live as non-big-tent, non-offical-openstack project, just like Tricircle toady’s status. And not pursue big-tent only if the consensus can be achieved in OpenStack community, including Arch WG and TCs, then decide how to get it on board in OpenStack. A new repository is needed to be applied for this project.

And consider to remove some overlapping implementation in Nova/Cinder API-GW for global objects like flavor, volume type, we can configure one region as master region, all global objects like flavor, volume type, server group, etc will be managed in the master Nova/Cinder service. In Nova API-GW/Cinder API-GW, all requests for these global objects will be forwarded to the master Nova/Cinder, then to get rid of any API overlapping-implementation.

More information, you can refer to the proposal draft https://docs.google.com/presentation/d/1kpVo5rsL6p_rq9TvkuczjommJSsisDiKJiurbhaQg7E,
your thoughts are welcome, and let's have more discussion in this weekly meeting.

Best Regards
Chaoyi Huang(joehuang)

From: joehuang
Sent: 24 August 2016 16:35
To: openstack-dev
Subject: [openstack-dev][tricircle]agenda of weekly meeting Aug.24

Hello, team,



Agenda of Aug.24 weekly meeting:


# progress review and concerns on the features like micro versions, policy control, dynamic pod binding, cross pod L2 networking

# How to address TCs concerns in Tricircle big-tent application

# open discussion


How to join:

#  IRC meeting: https://webchat.freenode.net/?channels=openstack-meeting on every Wednesday starting from UTC 13:00.


If you  have other topics to be discussed in the weekly meeting, please reply the mail.

Best Regards
Chaoyi Huang ( joehuang )

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Duncan Thomas
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