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chore: Add relabeling and metricRelabeling to Service Monitor in Karpenter Helm Chart #7794

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Merged
merged 2 commits into from
May 21, 2025
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chore: Add relabeling and metricRelabeling to Service Monitor in Karpenter Helm Chart #7794

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50de1d0
(feat) update service monitor to support relabeling
waruwat-dev Feb 24, 2025
d347da0
Add relabels/metricRelabelings to values.yaml
jonathan-innis May 21, 2025
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2 changes: 2 additions & 0 deletions charts/karpenter/README.md
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Expand Up @@ -88,6 +88,8 @@ cosign verify public.ecr.aws/karpenter/karpenter:1.4.0 \
| serviceMonitor.additionalLabels | object | `{}` | Additional labels for the ServiceMonitor. |
| serviceMonitor.enabled | bool | `false` | Specifies whether a ServiceMonitor should be created. |
| serviceMonitor.endpointConfig | object | `{}` | Configuration on `http-metrics` endpoint for the ServiceMonitor. Not to be used to add additional endpoints. See the Prometheus operator documentation for configurable fields https://github.com/prometheus-operator/prometheus-operator/blob/main/Documentation/api.md#endpoint |
| serviceMonitor.metricRelabelings | list | `[]` | Metric relabelings for the `http-metrics` endpoint on the ServiceMonitor. For more details on metric relabelings, see: https://prometheus.io/docs/prometheus/latest/configuration/configuration/#metric_relabel_configs |
| serviceMonitor.relabelings | list | `[]` | Relabelings for the `http-metrics` endpoint on the ServiceMonitor. For more details on relabelings, see: https://prometheus.io/docs/prometheus/latest/configuration/configuration/#relabel_config |
| settings | object | `{"batchIdleDuration":"1s","batchMaxDuration":"10s","clusterCABundle":"","clusterEndpoint":"","clusterName":"","eksControlPlane":false,"featureGates":{"nodeRepair":false,"reservedCapacity":false,"spotToSpotConsolidation":false},"interruptionQueue":"","isolatedVPC":false,"preferencePolicy":"Respect","reservedENIs":"0","vmMemoryOverheadPercent":0.075}` | Global Settings to configure Karpenter |
| settings.batchIdleDuration | string | `"1s"` | The maximum amount of time with no new ending pods that if exceeded ends the current batching window. If pods arrive faster than this time, the batching window will be extended up to the maxDuration. If they arrive slower, the pods will be batched separately. |
| settings.batchMaxDuration | string | `"10s"` | The maximum length of a batch window. The longer this is, the more pods we can consider for provisioning at one time which usually results in fewer but larger nodes. |
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8 changes: 8 additions & 0 deletions charts/karpenter/templates/servicemonitor.yaml
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Expand Up @@ -23,6 +23,14 @@ spec:
endpoints:
- port: http-metrics
path: /metrics
{{- with .Values.serviceMonitor.relabelings }}
relabelings:
{{- toYaml . | nindent 6 }}
{{- end }}
{{- with .Values.serviceMonitor.metricRelabelings }}
metricRelabelings:
{{- toYaml . | nindent 6 }}
{{- end }}
{{- with .Values.serviceMonitor.endpointConfig }}
{{- toYaml . | nindent 6 }}
{{- end }}
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6 changes: 6 additions & 0 deletions charts/karpenter/values.yaml
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Expand Up @@ -30,6 +30,12 @@ serviceMonitor:
enabled: false
# -- Additional labels for the ServiceMonitor.
additionalLabels: {}
# -- Relabelings for the `http-metrics` endpoint on the ServiceMonitor.
# For more details on relabelings, see: https://prometheus.io/docs/prometheus/latest/configuration/configuration/#relabel_config
relabelings: []
# -- Metric relabelings for the `http-metrics` endpoint on the ServiceMonitor.
# For more details on metric relabelings, see: https://prometheus.io/docs/prometheus/latest/configuration/configuration/#metric_relabel_configs
metricRelabelings: []
# -- Configuration on `http-metrics` endpoint for the ServiceMonitor.
# Not to be used to add additional endpoints.
# See the Prometheus operator documentation for configurable fields https://github.com/prometheus-operator/prometheus-operator/blob/main/Documentation/api.md#endpoint
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