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util: add helper to validate ROX request
added a helper function to validate is create request for ROX is for volume from source. Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
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@ -78,3 +78,16 @@ func ValidateNodeUnpublishVolumeRequest(req *csi.NodeUnpublishVolumeRequest) err
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return nil
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return nil
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}
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}
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// CheckReadOnlyManyIsSupported checks the request is to create ReadOnlyMany
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// volume is from source as empty ReadOnlyMany is not supported.
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func CheckReadOnlyManyIsSupported(req *csi.CreateVolumeRequest) error {
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for _, cap := range req.GetVolumeCapabilities() {
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if m := cap.GetAccessMode().Mode; m == csi.VolumeCapability_AccessMode_MULTI_NODE_READER_ONLY || m == csi.VolumeCapability_AccessMode_SINGLE_NODE_READER_ONLY {
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if req.GetVolumeContentSource() == nil {
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return status.Error(codes.InvalidArgument, "readOnly accessMode is supported only with content source")
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}
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}
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}
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return nil
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}
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