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Separate Network Node with DevStack

asked 2015-05-24 07:17:22 -0500

ralvarep gravatar image

updated 2015-05-24 07:18:07 -0500

Hi everyone!

With DevStack, there are some tutorials in which you have a single virtual machine with all functions of OpenStack (Controller, Network and Compute).

I want to separate the network function, and use Neutron in other node (Network Node), like in the OpenStack Architecture:

http://docs.openstack.org/icehouse/install-guide/install/yum/content/figures/1/figures/installguide_arch-neutron.png (image description)

What services must be activated in controller node with DevStack? In the figure, we can see that these services are Neutron Server and ML2 Plug-in, but how they are activated? How do they connect with the network node?

I suppose that is necessary to correctly configure local.conf file in controller node and in network node...

Thanks in advance!

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It is related to https://ask.openstack.org/en/question/67154/devstack-setup-with-3-nodes-controller-network-compute/ (https://ask.openstack.org/en/question...)

ralvarep gravatar imageralvarep ( 2015-05-24 07:20:20 -0500 )edit

Actually, there is an option which will setup restart able Openstack Kilo services on Controller,Network,Compute Nodes instead bunchs of daemons. It's RDO Kilo on CentOS 7.1 ( Fedora 21). View http://lxer.com/module/newswire/view/...

dbaxps gravatar imagedbaxps ( 2015-05-24 12:31:15 -0500 )edit

Yes , I described a model based on libvirt's sub nets and using nested KVM, however it works same way on physical boxes and networks. I cannot realize what for people need Devstack when setup is related with stable branches. I do need Devstack when recent nova commits have to be tested.

dbaxps gravatar imagedbaxps ( 2015-05-24 12:37:30 -0500 )edit

Thanks dbaxps! I will check it.

ralvarep gravatar imageralvarep ( 2015-05-26 16:08:34 -0500 )edit

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answered 2015-05-26 23:47:59 -0500

dbaxps gravatar image

I just suggest alternative solution which can be released via Multi-Node deployment performed by packstack utility RDO Kilo (or Juno) in meantime on CentOS 7.1 && Fedora 21 ( F22 soon )
Detailed instructions and answer-file for Controller,Network,Compute (s) Nodes setup:-
RDO KIlo Three Nodes Set up Controller&&Network&&Compute ML2&OVS&VXLAN on CentOS 7.1 (F21)

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Asked: 2015-05-24 07:17:22 -0500

Seen: 740 times

Last updated: May 26 '15