Custom labels for ServiceMonitor resource (#1147)

* Add: Custom labels for ServiceMonitor resource Signed-off-by: Nicolas Lamirault <nicolas.lamirault@gmail.com> * Fix: indentation Signed-off-by: Nicolas Lamirault <nicolas.lamirault@gmail.com> --------- Signed-off-by: Nicolas Lamirault <nicolas.lamirault@gmail.com>
kubernetes-sigs · May 31, 2023 · b58ec3b · b58ec3b
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diff --git a/charts/descheduler/README.md b/charts/descheduler/README.md
@@ -75,6 +75,7 @@ The following table lists the configurable parameters of the _descheduler_ chart
 | `service.enabled`                   | If `true`, create a service for deployment                                                                            | `false`                                   |
 | `serviceMonitor.enabled`            | If `true`, create a ServiceMonitor for deployment                                                                     | `false`                                   |
 | `serviceMonitor.namespace`          | The namespace where Prometheus expects to find service monitors                                                       | `nil`                                     |
+| `serviceMonitor.additionalLabels`   | Add custom labels to the ServiceMonitor resource                                                                      | `{}`                                      |
 | `serviceMonitor.interval`           | The scrape interval. If not set, the Prometheus default scrape interval is used                                       | `nil`                                     |
 | `serviceMonitor.honorLabels`        | Keeps the scraped data's labels when labels are on collisions with target labels.                                     | `true`                                    |
 | `serviceMonitor.insecureSkipVerify` | Skip TLS certificate validation when scraping                                                                         | `true`                                    |

diff --git a/charts/descheduler/templates/servicemonitor.yaml b/charts/descheduler/templates/servicemonitor.yaml
@@ -7,6 +7,9 @@ metadata:
   namespace: {{ .Values.serviceMonitor.namespace | default .Release.Namespace }}
   labels:
     {{- include "descheduler.labels" . | nindent 4 }}
+    {{- if .Values.serviceMonitor.additionalLabels }}
+    {{- toYaml .Values.serviceMonitor.additionalLabels | nindent 4 }}
+    {{- end }}
 spec:
   jobLabel: jobLabel
   namespaceSelector:

diff --git a/charts/descheduler/values.yaml b/charts/descheduler/values.yaml
@@ -180,6 +180,9 @@ serviceMonitor:
   enabled: false
   # The namespace where Prometheus expects to find service monitors.
   # namespace: ""
+  # Add custom labels to the ServiceMonitor resource
+  additionalLabels: {}
+    # prometheus: kube-prometheus-stack
   interval: ""
   # honorLabels: true
   insecureSkipVerify: true