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Get information about OpenStack setup

asked 2015-10-06 04:05:48 -0500

Tom gravatar image

Hi all, How could I get information about the complete OpenStack setup which is already installed? In other words lets say I have an OpenStack setup installed how could I find out how many physical servers/boxes are involved in the setup and how could I find the services running in a physical server? Any help appreciated.

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You can get a lot of info by running openstack-status on a controller node.

RedCricket gravatar imageRedCricket ( 2015-10-07 15:47:19 -0500 )edit

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answered 2015-10-07 12:52:30 -0500

Scott Machtmes gravatar image

There's no one way unfortunately. You can do a "nova service-list" and get the nova related services and the nodes they are running on. This gives what you are asking from a compute related point of view. However for others you must do a little more work. You need to have an idea of what the service processes are called and see what is running on a node. For example, if a node is running keystone-all, there is ( at least one instance ) of keystone services. If you see the cinder-XYZ services running, there is a cinder service node. And on like that. Other distributions provide some help with this, for example, Mirantis OpenStack's Fuel will list the nodes by the function you've assigned.

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Thanks Scott. That helps. However my specific requirement is that lets say I have controller node - would I be able to get the IPs or hostnames of network node and storage node from controller node? I do not use Fuel for my setup. I did a manual step by step install of different components.

Tom gravatar imageTom ( 2015-11-01 07:55:56 -0500 )edit

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Asked: 2015-10-06 04:05:48 -0500

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Last updated: Oct 07 '15