Open Stack

On Thu, Feb 16, 2017 at 1:57 PM, Radomir Dopieralski <openstack at sheep.art.pl
> wrote:

> I think that you have to remember that OpenStack doesn't only work with
> officially approved OpenStack services, but with any services that have a
> conforming API.
>

Yes, I forgot about it. But it changes nothing.
Custom implementation of particular service should cover the same API as an
official one. For me, as for user, it doesn't metter if there is Keystone
or MyAwesomeKeystone, I want just an service which implements Keystone
functionality.


> OpenStack itself provides implementations of those services, and you are
> right that it's unlikely that there will be two competing implementations
> for the same service type officially endorsed by OpenStack. But you are
> ignoring 3rd-party services that are being used, and also the possibility
> that the services will change in the future. Since it doesn't really cost
> us to keep this flexibility, I think it's reasonable to keep doing it.
>
> On Thu, Feb 16, 2017 at 11:55 AM, Andrey Kurilin <akurilin at mirantis.com>
> wrote:
>
>> Hi everyone!
>>
>> When I started contribution to OpenStack long time ago, I asked about the
>> reason of having two entities - service type and name; at that time I got
>> an answer that service name is a name of the project that implements
>> particular service type, so it is possible to have several projects which
>> implement one service type. That answer satisfied me.
>>
>> The reality of OpenStack is that there is no and there will not be
>> several implementations of one "service type". Even when we had nova-net
>> and neutron, only the neutron registered his service in the catalog.
>>
>> An example of Octavia shows that everybody was ok about having service
>> name equal with type before inconsistency was found. That is why I want to
>> ask again: Do we need two separate entities and if yes - why? Maybe service
>> name and description fields should be enough?
>>
>> On Wed, Feb 15, 2017 at 3:08 AM, Qiming Teng <tengqim at linux.vnet.ibm.com>
>> wrote:
>>
>>> When reviewing a recent patch that adds openstacksdk support to octavia,
>>> I found that octavia is using 'octavia' as its service name instead of
>>> 'loadbalancing' or 'loadbalancingv2' or something similar.
>>>
>>> The overall suggestion is to use a word/phrase that indicates what a
>>> service do instead of the name of the project providing that service.
>>>
>>> Below is the list of the service types currently supported by
>>> openstacksdk:
>>>
>>>     'alarming',    # aodh
>>>     'baremetal',   # ironic
>>>     'clustering',  # senlin
>>>     'compute',     # nova
>>>     'database',    # trove
>>>     'identity',    # keystone
>>>     'image',       # glance
>>>     'key-manager', # barbican
>>>     'messaging',   # zaqar
>>>     'metering',    # ceilometer
>>>     'network',     # neutron
>>>     'object-store',   # swift
>>>     'octavia',        # <--- this is an exception
>>>     'orchestration',  # heat
>>>     'volume',         # cinder
>>>     'workflowv2',     # mistral
>>>
>>> While I believe this has been discussed about a year ago, I'm not sure
>>> if there are things we missed so I'm brining this issue to a broader
>>> audience for discussion.
>>>
>>> Reference:
>>>
>>> [1] Patch to python-openstacksdk:
>>> https://review.openstack.org/#/c/428414
>>> [2] Octavia service naming:
>>> http://git.openstack.org/cgit/openstack/octavia/tree/devstac
>>> k/plugin.sh#n52
>>>
>>> Regards,
>>>  Qiming
>>>
>>>
>>> ____________________________________________________________
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>>
>>
>>
>> --
>> Best regards,
>> Andrey Kurilin.
>>
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>>
>
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>


-- 
Best regards,
Andrey Kurilin.
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