include ServiceMonitor relabelings and metricRelabelings (#16443)

Signed-off-by: Pavel Margolin <pavel@troops.ai>

stable/prometheus-cloudwatch-exporter/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v1
 appVersion: "0.5.0"
 description: A Helm chart for prometheus cloudwatch-exporter
 name: prometheus-cloudwatch-exporter
-version: 0.4.9
+version: 0.4.10
 home: https://github.com/prometheus/cloudwatch_exporter
 sources:
 - https://github.com/prometheus/cloudwatch_exporter

stable/prometheus-cloudwatch-exporter/README.md

@@ -80,6 +80,8 @@ The following table lists the configurable parameters of the Cloudwatch Exporter
 | `serviceMonitor.telemetryPath`    | path to cloudwatch-exporter telemtery-path                              |                             |
 | `serviceMonitor.labels`           | labels for the ServiceMonitor passed to Prometheus Operator             | `{}`                        |
 | `serviceMonitor.timeout`          | Timeout after which the scrape is ended                                 |                             |
+| `serviceMonitor.relabelings`      | RelabelConfigs to apply to samples before scraping.                     |                             |
+| `serviceMonitor.metricRelabelings`| MetricRelabelConfigs to apply to samples before ingestion.              |                             |
 | `ingress.enabled`                 | Enables Ingress                                                         | `false`                     |
 | `ingress.annotations`             | Ingress annotations                                                     | `{}`                        |
 | `ingress.labels`                  | Custom labels                                                           | `{}`                        |

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

@@ -21,6 +21,14 @@ spec:
 {{- end }}
 {{- if .Values.serviceMonitor.timeout }}
     scrapeTimeout: {{ .Values.serviceMonitor.timeout }}
+{{- end }}
+{{- if .Values.serviceMonitor.relabelings }}
+    relabelings: 
+{{ toYaml .Values.serviceMonitor.relabelings | indent 6 }}
+{{- end }}
+{{- if .Values.serviceMonitor.metricRelabelings }}
+    metricRelabelings: 
+{{ toYaml .Values.serviceMonitor.metricRelabelings | indent 6 }}
 {{- end }}
   jobLabel: {{ template "prometheus-cloudwatch-exporter.fullname" . }}
   namespaceSelector:

stable/prometheus-cloudwatch-exporter/values.yaml

@@ -134,6 +134,17 @@ serviceMonitor:
   # labels:
   # Set timeout for scrape
   # timeout: 10s
+  # Set relabelings for the ServiceMonitor, use to apply to samples before scraping
+  # relabelings: []
+  # Set metricRelabelings for the ServiceMonitor, use to apply to samples for ingestion
+  # metricRelabelings: []
+  #
+  # Example - note the Kubernetes convention of camelCase instead of Prometheus' snake_case
+  # metricRelabelings:
+  #   - sourceLabels: [dbinstance_identifier]
+  #     action: replace
+  #     replacement: mydbname
+  #     targetLabel: dbname
 
 ingress:
   enabled: false