Hi all,
I'm attempting to do a basic metric relabeling where I replace
the __name__ by removing a prefix (specifically workload:). This is taken
directly from the upstream istio documentation found here
<https://istio.io/latest/docs/ops/best-practices/observability/#optimizing-metrics-collection-with-recording-rules>.
However, I am able to create a new metric without the workload prefix, but
am totally unable to either replace nor drop the existing workload metric
in order to save space. This is further confirmed when looking at the TSDB
status endpoint of my main prometheus.
My ServiceMonitor:
apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
name: istio-federation
namespace: prometheus-system
labels:
app.kubernetes.io/name: istio-prometheus
spec:
namespaceSelector:
matchNames:
- istio-system
selector:
matchLabels:
release: prometheus-istio
endpoints:
- interval: 30s
scrapeTimeout: 30s
params:
'match[]':
- '{__name__=~"workload:(.*)"}'
path: /federate
targetPort: 9090
honorLabels: true
metricRelabelings:
- sourceLabels: ["__name__"]
regex: 'workload:(.*)'
targetLabel: "__name__"
action: replace
Any help or pointers in this case would be super appreciated
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