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rbd: free snapshot resources after allocation

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Not all snapshot objects are free'd correctly after they were allocated.
It is possible that some connections to the Ceph cluster were never
closed. This does not need to be a noticeable problem, as connections
are re-used where possible, but it isn't clean either.

Signed-off-by: Niels de Vos <ndevos@ibm.com>
This commit is contained in:
Niels de Vos 2024-03-21 10:59:50 +01:00 committed by mergify[bot]
parent 18162c71bc
commit 7b2b125b18
1 changed files with 8 additions and 0 deletions
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8
internal/rbd/controllerserver.go
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@ -348,6 +348,12 @@ func (cs *ControllerServer) CreateVolume(
if err != nil {
return nil, err
}
if parentVol != nil {
defer parentVol.Destroy()
}
if rbdSnap != nil {
defer rbdSnap.Destroy()
}
err = updateTopologyConstraints(rbdVol, rbdSnap)
if err != nil {
@ -655,6 +661,7 @@ func (cs *ControllerServer) createVolumeFromSnapshot(
return status.Error(codes.Internal, err.Error())
}
defer rbdSnap.Destroy()
// update parent name(rbd image name in snapshot)
rbdSnap.RbdImageName = rbdSnap.RbdSnapName
@ -1458,6 +1465,7 @@ func (cs *ControllerServer) DeleteSnapshot(
return nil, status.Error(codes.Internal, err.Error())
}
defer rbdSnap.Destroy()
// safeguard against parallel create or delete requests against the same
// name