[openstack-dev] [nova] Compute Node Interfaces configuration in Nova Configuration file

Balaji P Balaji.P at freescale.com
Mon Dec 2 17:08:57 UTC 2013


Can anyone share the current deployment use case for compute Node Interfaces configuration in Nova configuration file where hundreads of compute nodes [with two or more physical interfaces] in DC network has to be configured with IPAddress for Management Networks and Data Networks.

Is there any other tool used for this purpose OR manual configuration has to be done?


From: Balaji Patnala [mailto:patnala003 at gmail.com]
Sent: Tuesday, November 19, 2013 4:21 PM
To: OpenStack Development Mailing List
Cc: Addepalli Srini-B22160; B Veera-B37207; P Balaji-B37839; Lingala Srikanth Kumar-B37208; Somanchi Trinath-B39208; Mannidi Purandhar Sairam-B39209
Subject: [openstack-dev] [nova] Static IPAddress configuration in nova.conf file

Nova-compute in Compute nodes send fanout_cast to the scheduler in Controlle Node once every 60 seconds.  Configuration file Nova.conf in Compute Node has to be configured with Management Network IP address and there is no provision to configure Data Network IP address in the configuration file. But if there is any change in the IPAddress for these Management Network Interface and Data Network Interface, then we have to configure them  manually in the configuration file of compute node.
We would like to create BP to address this issue of static configuration of IPAddress for Management Network Interface and Data Network Interface of Compute Node by providing the interface names in the nova.conf file.
So that any change in the ipaddress for these interfaces will be updated dynamically in the fanout_cast  message to the Controller and update the DB.
We came to know that the current deployments are using some scripts to handle this static ipaddress configuration in nova.conf file.
Any comments/suggestions will be useful.

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