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What Grafana version and what operating system are you using?
I am using v9.5.5 -
What are you trying to achieve?
When applying Labels to fields transformation, the legend will be by default the combination of the labels that I have selected, I want to change this to only specific labels (only node and time in this case). You can see the default behavior in this image:
Note: I know that not all legend have pipeline_id, that is because I added this label recently, just focus on the 4th line where all labels exist.
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How are you trying to achieve it?
Apply rename by regex transformation after the “Labels to fields” transformation -
What happened?
When I add the "Rename by regex, it surprisingly set the legend to “Value” and matches to it as shown in the picture:
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What did you expect to happen?
I expected to match to the combination of labels that was previously
Some of you might suggest using value mappings, but I can’t use it in this case because right now I have a data link that reads the value of one of the labels (pipeline_id in this case), and when I use value mappings to remove the pipeline_id, it actually removes it also from the link. “Rename by regex” doesn’t have this effect, since I tried it in different graphs (where I did not use “Labels to fields” obviously)