csi: plugin name normalization #3228
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Normalize plugin names to facilitate correct reuse of existing plugin instances. Signed-off-by: Paul Pignet <[email protected]>
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Fixes #3215
Progresses ceph/ceph-csi#3769
- What I did
Modified manager/csi/manager.go:getPlugin so that plugins are uniquely identified by their CSI driver name, not by the Docker plugin image/tag used to install them.
This ensures that all of eg.:
-rbd.csi.ceph.com:latest
-rbd.csi.ceph.com:v3.10.0
-rbd.csi.ceph.com@sha256:...
...refer to the same logical driver instance.
- How I did it
The getPlugin function now normalizes plugin names by stripping any tag suffixes. The normalized name is then used as the key in vm.plugins.
- How to test it
Added Go Test for the addressed failure case.
When run on the unpatched code, it also serves as proof of the issue and fails like expected.
- Description for the changelog
Fix CSI plugin identity handling by normalizing plugin names
to avoid duplicate plugin instances.