Re: Minimal requirements for ceph csi users?

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On 10/28/21 18:28, Burkhard Linke wrote:

To give an example:

     caps mds = "allow rwps fsname=test"
     caps mon = "allow r fsname=test"
     caps osd = "allow rw tag cephfs data=test"

This is not enough to be used with the cephfs csi driver. The caps are fine for accessing the filesystem, e.g. mounting.

Even adding 'mgr = "allow rw"' does not work. If I use the client.admin credentials instead everything is fine, but I do not want to expose those in kubernetes...

Would the following work for you?

caps: [mds] "allow rwps, allow rw path=/dir/on/cephfs"
caps: [mon] "allow r fsname=test"
caps: [osd] "allow rw tag cephfs data=test pool=pool-name-here namespace=only_needed_when_using_namespaces"

Gr. Stefan
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