Both new ServiceMonitors sat permanently OutOfSync. Cause: `action: replace`
is the API server default for relabeling rules, so the live object carried it
while the manifests omitted it.
Rather than write out the default to paper over drift, removed the rules that
were never needed:
- vllm.yaml: the namespace/pod/service relabelings were redundant —
Kubernetes service discovery already supplies all three. Only `app` has to
be derived (TEI panels aggregate by it and SD does not promote arbitrary
pod labels). Kept that one, with an explicit action.
- api-gateway.yaml: the metricRelabelings block was a no-op — it mapped
__address__ onto instance, which is already the default. Removed. The
series inventory it was documenting moved up into the file header, which
is where it belonged anyway.
rock
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