[stable/prometheus-mongodb-exporter] Add ServiceMonitor metricRelabelings (#23290)

Signed-off-by: Calvin Bui <3604363+calvinbui@users.noreply.github.com>

stable/prometheus-mongodb-exporter/Chart.yaml

@@ -13,4 +13,4 @@ maintainers:
 name: prometheus-mongodb-exporter
 sources:
 - https://github.com/percona/mongodb_exporter
-version: 2.7.0
+version: 2.8.0

stable/prometheus-mongodb-exporter/README.md

@@ -66,4 +66,5 @@ podAnnotations:
 | `serviceMonitor.namespace` | The namespace where the Prometheus Operator is deployed | `` |
 | `serviceMonitor.additionalLabels` | Additional labels to add to the ServiceMonitor | `{}` |
 | `serviceMonitor.targetLabels` | Set of labels to transfer on the Kubernetes Service onto the target. | `[]`
+| `serviceMonitor.metricRelabelings` | MetricRelabelConfigs to apply to samples before ingestion. | `[]` |
 | `tolerations` | List of node taints to tolerate  | `[]` |

stable/prometheus-mongodb-exporter/templates/servicemonitor.yaml

@@ -19,6 +19,9 @@ spec:
   - port: metrics
     interval: {{ .Values.serviceMonitor.interval }}
     scrapeTimeout: {{ .Values.serviceMonitor.scrapeTimeout }}
+    {{- if .Values.serviceMonitor.metricRelabelings }}
+    metricRelabelings: {{ toYaml .Values.serviceMonitor.metricRelabelings | nindent 4 }}
+    {{- end }}
   namespaceSelector:
     matchNames:
     - {{ .Release.Namespace }}

stable/prometheus-mongodb-exporter/values.yaml

@@ -93,5 +93,6 @@ serviceMonitor:
   namespace:
   additionalLabels: {}
   targetLabels: []
+  metricRelabelings: []
 
 tolerations: []