openstack team mailing list archive

[Gary Kotton <gkotton@xxxxxxxxxx>]

On 12/11/2012 06:56 AM, Trinath Somanchi wrote:
> Hi-
>
> Thanks for the reply Gary..
>
> But with respect to the Quantum_plugin_base_v2.py code, which is the 
> base class for the plugins, We can see the create/update/delete 
> network methods only in the quantum plugin. But then How about 
> create/update/delete ports and subnet  methods. These methods do 
> exists in the ryu/nec/nicira plugins.

The OVS inherits the base plugin:

class OVSQuantumPluginV2(db_base_plugin_v2.QuantumDbPluginV2,
                         l3_db.L3_NAT_db_mixin):

This means that if it does not need to make changes to the methods then 
the base classes methods will be invoked.
Thanks
Gary

> Will ovs plugin will not consider the implementation of port and 
> subnet? If it considers, where these are happening?
>
> Kindly help me understand the same.
>
> Thanks in advance
>
> -
> Trinath
>
>
> On Sun, Dec 9, 2012 at 5:19 PM, Gary Kotton <gkotton@xxxxxxxxxx 
> <mailto:gkotton@xxxxxxxxxx>> wrote:
>
>     Hi Trina,
>     I am not really sure that I understand your question. The Quantum
>     service marshals the API's to a plugin. The plugin is responsible
>     for providing the virtual network service. In the case of the OVS
>     plugin the ovs_quantum_plugin.py will treat the API calls. That
>     means that it will enable the user to perform CRUD operations on
>     the following: networks, subnets and ports. In order to do this it
>     stores the values in a persistent database.
>     The plugin has a layer 2 agent that performs the actual network
>     configuration.
>     Hope that this help.
>     Thanks
>     Gary
>
>
>     On 12/07/2012 09:10 AM, Trinath Somanchi wrote:
> >     Hi Stackers-
> >
> >     I have a doubt with respect to the Quantum OVS Plugin.
> >
> >     [1] Do all the APIs of Quantum use the Quantum OVS plugin to get
> >     the data from the database. or they directly contact the database.
> >
> >     Since, I have seen ovs_quantum_plugin.py code, it has
> >     create_network, update_network methods which use the db api.
> >
> >     Is that the OVS Quantum Plugin APIs are partially used by the
> >     Quantum APIs for getting data from database?
> >
> >     Kindly help me understand these areas of Quantum.
> >
> >     Thanks in advance
> >
> >     -- 
> >     Regards,
> >     ----------------------------------------------
> >     Trinath Somanchi,
> >     +91 9866 235 130 <tel:%2B91%209866%20235%20130>
> >
> >
> >
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> --
> Regards,
> ----------------------------------------------
> Trinath Somanchi,
> +91 9866 235 130