Open Stack

Are there a blueprint or spec for that? Or is this currently just an open idea?

Can you explain what exactly such idea makes easier in versioning? 

From: Duncan Thomas [mailto:duncan.thomas at gmail.com] 
Sent: Friday, May 8, 2015 2:14 PM
To: OpenStack Development Mailing List
Subject: Re: [openstack-dev] [nova] [cinder] API service in service group API

In the case of cinder, there is a proposal to add it in, since it makes some of the versioning work easier
On 8 May 2015 15:08, "Dulko, Michal" <michal.dulko at intel.com> wrote:
Hi,

I wonder why nova-api or cinder-api aren't present service group API of each project:

mdulko:devstack/ (master) $ cinder service-list
+------------------+-------------------------------+------+---------+-------+----------------------------+-----------------+
|      Binary      |              Host             | Zone |  Status | State |         Updated_at         | Disabled Reason |
+------------------+-------------------------------+------+---------+-------+----------------------------+-----------------+
|  cinder-backup   |       mdulko-VirtualBox       | nova | enabled |   up  | 2015-05-08T11:58:50.000000 |        -        |
| cinder-scheduler |       mdulko-VirtualBox       | nova | enabled |   up  | 2015-05-08T11:58:49.000000 |        -        |
|  cinder-volume   | mdulko-VirtualBox at lvmdriver-1 | nova | enabled |   up  | 2015-05-08T11:58:50.000000 |        -        |
|  cinder-volume   | mdulko-VirtualBox at lvmdriver-2 | nova | enabled |   up  | 2015-05-08T11:58:50.000000 |        -        |
+------------------+-------------------------------+------+---------+-------+----------------------------+-----------------+

Are there any technical limitations to include API services there? Use case is that when service dies during request processing - it leaves some garbage in the DB and quotas. This could be cleaned up by another instance of a service. For that aforementioned instance would need to know if service that was processing the request is down.

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