Fix invalid PrometheusRule when adding grouping to a ratio indicator #1021
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The
rules
here were being added torule.Groups
, even if we have had anErrGroupingUnsupported
error returned by theobjective.GenericRules()
function. This results in an empty rule being added to thePrometheusRule
spec, which fails validation.I just added an
else
branch so the rule is not added to the spec if anErrGroupingUnsupported
error has been raised.I think this should fix #976.