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rbd: provide a way to disable the auto fallback to nbd mounter

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This change allows the user to choose not to fallback to NBD mounter
when some ImageFeatures are absent with krbd driver, rather just fail
the NodeStage call.

Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
This commit is contained in:
Prasanna Kumar Kalever
2021-10-05 16:17:11 +05:30
committed by mergify[bot]
parent bfc24f6f12
commit 9a3170bf77
6 changed files with 31 additions and 3 deletions
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10
internal/rbd/nodeserver.go
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@ -68,8 +68,9 @@ const (
xfsReflinkNoSupport
xfsReflinkSupport
staticVol = "staticVolume"
volHealerCtx = "volumeHealerContext"
staticVol = "staticVolume"
volHealerCtx = "volumeHealerContext"
tryOtherMounters = "tryOtherMounters"
)
var (
@ -218,6 +219,11 @@ func populateRbdVol(
krbdSupported := false
if req.GetVolumeContext()["mounter"] != rbdNbdMounter {
krbdSupported = isKrbdFeatureSupported(ctx, req.GetVolumeContext()["imageFeatures"])
if !krbdSupported && !parseBoolOption(ctx, req.GetVolumeContext(), tryOtherMounters, false) {
log.ErrorLog(ctx, "unsupported krbd Feature, set `tryOtherMounters:true` or fix krbd driver")
return nil, status.Errorf(codes.Internal, "unsupported krbd Feature")
}
}
if krbdSupported {
rv.MapOptions = req.GetVolumeContext()["mapOptions"]