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What's the meaning of the 'project' in keystone?

asked 2016-06-24 10:31:47 -0500

pungryu7 gravatar image

I'm new to openstack and now I'm in the step of installing keystone.

I read the basic key terms about keystone in the docs.

But it just says 'project' is 'basic unit of ownership'. I can't imagine this meaning.

I can understand user, groups, domain. But why it says domain and project are resources, and also project is ownership?

I can't get into these terms.

Can someone gives some examples or something images such as relations of these terms that I can understand?

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answered 2016-06-29 16:32:16 -0500

mpetason gravatar image

It used to be called Tenant. A Tenant makes more sense in a public cloud, which may be why the naming is changing to Project. They are interchangeable.

If you used the word Tenant you would expect that a customer would have all of their resources within the specified Tenant. This lets you segregate resources and gives you a way to search for resources based on tenants, instead of some other random ID.

With Keystone V3 it has changed to Projects as a lot of private clouds are using OpenStack. It may make more sense to call it a Project. So if you had a dev group that was working on one thing, and they just need to launch a few VMs for testing, you wouldn't want them to share the same view as devs working on something else. With a Project you can separate the users/resources, as well as ownership of those resources and users.

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answered 2016-06-28 08:55:39 -0500

jckreddy gravatar image

Here Project means basic ownership like we have admin or demo basically we can differentiate by privileges as admin has full owner ship and demo has limited privileges. Like that you can create your own project with specific ownership .

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Asked: 2016-06-24 10:30:43 -0500

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Last updated: Jun 29 '16