feat: inode to path reverse resolution in the cephfs driver #5222
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Thanks for opening this pull request! The maintainers of this repository would appreciate it if you would create a changelog item based on your changes. |
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I don't know why "github.com/rs/zerolog/log" is imported, however every time I try to save to file it adds it automatically, so not sure if I have done something wrong with the logging. |
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Keep in mind, for this to work on the production cluster, we will need a key that has access to these commands. |
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OK, before merging: please add a changelog in |
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As discussed, let's just include some logic to return |
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A proof of concept for the inode to path reverse resolution in the cephfs driver.
The main function is
GetPathByIDwhich does the following:getFSStatus()&parseActiveMDS())opaque_idto aninteger(to be seen if needed in the future, for testing it was required)dumpInode()&extractPathFromInodeOutput())The path we get from the mds is the full path on the ceph cluster e.g.
/volumes/_nogroup/rasmus/welander, however Reva mounts at the root/volumes/_nogroup/rasmus, so the corresponding cephfs driver path is/rasmus/welander.Note: this proof of concept uses a powerful admin key to the ceph cluster, which will need to be generated for the production ceph cluster with the required permissions, and has only been tested on a test ceph cluster.
Line 215 - 224 should be removed since it's only there for testing purposes.