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util: make inode metrics optional in FilesystemNodeGetVolumeStats()

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CephFS does not have a concept of "free inodes", inodes get allocated
on-demand in the filesystem.

This confuses alerting managers that expect a (high) number of free
inodes, and warnings get produced if the number of free inodes is not
high enough. This causes alerts to always get reported for CephFS.

To prevent the false-positive alerts from happening, the
NodeGetVolumeStats procedure for CephFS (and CephNFS) will not contain
inodes in the reply anymore.

See-also: https://bugzilla.redhat.com/2128263
Signed-off-by: Niels de Vos <ndevos@redhat.com>
This commit is contained in:
Niels de Vos
2022-10-03 17:46:52 +02:00
committed by mergify[bot]
parent 386d3ddd6e
commit b7703faf37
5 changed files with 34 additions and 27 deletions
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2
internal/nfs/nodeserver/nodeserver.go
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@ -182,7 +182,7 @@ func (ns *NodeServer) NodeGetVolumeStats(
}
if stat.Mode().IsDir() {
return csicommon.FilesystemNodeGetVolumeStats(ctx, ns.Mounter, targetPath)
return csicommon.FilesystemNodeGetVolumeStats(ctx, ns.Mounter, targetPath, false)
}
return nil, status.Errorf(codes.InvalidArgument,