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rbd: refuse to create block volumes
Without this check, the driver fails one of the E2E storage tests in
Kubernetes 1.13: provisioning a block volume is expected to fail in
e689d515f7/test/e2e/storage/testsuites/volumemode.go (L329-L330)
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@ -54,6 +54,11 @@ func (cs *controllerServer) CreateVolume(ctx context.Context, req *csi.CreateVol
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if req.VolumeCapabilities == nil {
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return nil, status.Error(codes.InvalidArgument, "Volume Capabilities cannot be empty")
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}
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for _, cap := range req.VolumeCapabilities {
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if cap.GetBlock() != nil {
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return nil, status.Error(codes.Unimplemented, "Block Volume not supported")
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}
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}
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volumeNameMutex.LockKey(req.GetName())
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defer volumeNameMutex.UnlockKey(req.GetName())
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