PSAP-1655: Make machineConfigLabels-related misconfiguration more visible #1316
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NTO Tuned CRs support machine config labels (mcLabels) based matching. This involves finding a MachineConfigPool with machineConfigSelector matching mcLabels and setting a TuneD profile on all nodes that are assigned the found MachineConfigPool. We do not support configurations, where more than 1 MachineConfigPool matches the mcLabels. While this configuration is not supported, users often unwittingly configure their clusters in this way. In this case, NTO issues an error message in the operator logs.
This is often not sufficient, so we make this misconfiguration more visible by making ClusterOperator/node-tuning object Degraded.