Re: [Openstack-operators] OpenContrail Integration with an existing OpenStack

[Salvatore Campanella]

Hi Robert,

> What do you mean by “clean”?

I already have some object that currently exists in the neutron/mysql db
and I would like to integrate OpenContrail with my existing OpenStack
installation, but I didn't know what the expected behavior would be.
To be clearer: I didn't know if I would have lost the objects instanced
previously or if OpenContrail requires that I delete all objects in the
neutron db before the integration procedure.

So, thanks for your explanation!

Cheers,
Salvatore

2018-02-05 13:02 GMT+01:00 Van Leeuwen, Robert :

> > Do I need to ensure OpenStack network state is clean before integrate
> OpenContrail with my existing Openstack?
>
> > Any suggestion?
>
>
>
> What do you mean by “clean”?
>
>
>
> Contrail will ignore all information in the neutron db.
> Any incoming neutron api call will be translated to a contrail-api call.
>
> Contrail itself does not use the Mysql database but has its own
> (Cassandra) databases
>
> So any router/subnet/network/interface etc object that currently exists
> in the neutron/mysql database is ignored.
>
> That basically means any object that is using “stock-neutron” will break
> since it will need to be re-created on contrail.
>
>
>
> Cheers,
>
> Robert van Leeuwen
>
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Re: [Openstack-operators] OpenContrail Integration with an existing OpenStack

[Van Leeuwen, Robert]

> Do I need to ensure OpenStack network state is clean before integrate 
> OpenContrail with my existing Openstack?
> Any suggestion?

What do you mean by “clean”?

Contrail will ignore all information in the neutron db.
Any incoming neutron api call will be translated to a contrail-api call.
Contrail itself does not use the Mysql database but has its own (Cassandra) 
databases
So any router/subnet/network/interface etc object that currently exists in the 
neutron/mysql database is ignored.
That basically means any object that is using “stock-neutron” will break since 
it will need to be re-created on contrail.

Cheers,
Robert van Leeuwen
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[Openstack-operators] OpenContrail Integration with an existing OpenStack

[Salvatore Campanella]

Goodmorning!

I have a little question for you.
I'm trying to integrate OpenContrail as SDN Controller with an existing
OpenStack installation.
Do I need to ensure OpenStack network state is clean before integrate
OpenContrail with my existing Openstack?

Any suggestion?
Thanks
Salvatore
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