feat: add support for metricRelabelings

gandhipr · Sep 1, 2022 · a8773ac · a8773ac
1 parent 035e762
commit a8773ac
Show file tree

Hide file tree

Showing 4 changed files with 9 additions and 1 deletion.
diff --git a/charts/cluster-autoscaler/Chart.yaml b/charts/cluster-autoscaler/Chart.yaml
@@ -11,4 +11,4 @@ name: cluster-autoscaler
 sources:
   - https://github.com/kubernetes/autoscaler/tree/master/cluster-autoscaler
 type: application
-version: 9.20.1
+version: 9.21.0
diff --git a/charts/cluster-autoscaler/README.md b/charts/cluster-autoscaler/README.md
@@ -367,6 +367,7 @@ Though enough for the majority of installations, the default PodSecurityPolicy _
 | serviceMonitor.annotations | object | `{}` | Annotations to add to service monitor |
 | serviceMonitor.enabled | bool | `false` | If true, creates a Prometheus Operator ServiceMonitor. |
 | serviceMonitor.interval | string | `"10s"` | Interval that Prometheus scrapes Cluster Autoscaler metrics. |
+| serviceMonitor.metricRelabelings | object | `{}` | MetricRelabelConfigs to apply to samples before ingestion. |
 | serviceMonitor.namespace | string | `"monitoring"` | Namespace which Prometheus is running in. |
 | serviceMonitor.path | string | `"/metrics"` | The path to scrape for metrics; autoscaler exposes `/metrics` (this is standard) |
 | serviceMonitor.selector | object | `{"release":"prometheus-operator"}` | Default to kube-prometheus install (CoreOS recommended), but should be set according to Prometheus install. |

diff --git a/charts/cluster-autoscaler/templates/servicemonitor.yaml b/charts/cluster-autoscaler/templates/servicemonitor.yaml
@@ -20,6 +20,10 @@ spec:
   - port: {{ .Values.service.portName }}
     interval: {{ .Values.serviceMonitor.interval }}
     path: {{ .Values.serviceMonitor.path }}
+    {{- if .Values.serviceMonitor.metricRelabelings }}
+    metricRelabelings:
+{{ tpl (toYaml .Values.serviceMonitor.metricRelabelings | indent 6) . }}
+    {{- end }}
   namespaceSelector:
     matchNames:
       - {{.Release.Namespace}}

diff --git a/charts/cluster-autoscaler/values.yaml b/charts/cluster-autoscaler/values.yaml
@@ -344,6 +344,9 @@ serviceMonitor:
   path: /metrics
   # serviceMonitor.annotations -- Annotations to add to service monitor
   annotations: {}
+  ## [RelabelConfig](https://github.com/prometheus-operator/prometheus-operator/blob/main/Documentation/api.md#monitoring.coreos.com/v1.RelabelConfig)
+  # serviceMonitor.metricRelabelings -- MetricRelabelConfigs to apply to samples before ingestion.
+  metricRelabelings: {}
 
 ## Custom PrometheusRule to be defined
 ## The value is evaluated as a template, so, for example, the value can depend on .Release or .Chart