fix(helm): Disable service monitor for nginx service (#12746)

Co-authored-by: Vladyslav Diachenko <82767850+vlad-diachenko@users.noreply.github.com>

Author: adinhodovic

production/helm/loki/CHANGELOG.md

@@ -13,6 +13,10 @@ Entries should include a reference to the pull request that introduced the chang
 
 [//]: # (<AUTOMATED_UPDATES_LOCATOR> : do not remove this line. This locator is used by the CI pipeline to automatically create a changelog entry for each new Loki release. Add other chart versions and respective changelog entries bellow this line.)
 
+## 6.25.1
+
+- [BUGFIX] Disable service monitor for nginx service.
+
 ## 6.25.0
 
 - [BUGFIX] Removed minio-mc init container from admin-api.

production/helm/loki/Chart.yaml

@@ -3,7 +3,7 @@ name: loki
 description: Helm chart for Grafana Loki and Grafana Enterprise Logs supporting both simple, scalable and distributed modes.
 type: application
 appVersion: 3.3.2
-version: 6.25.0
+version: 6.25.1
 home: https://grafana.github.io/helm-charts
 sources:
   - https://github.com/grafana/loki

production/helm/loki/README.md

@@ -1,6 +1,6 @@
 # loki
 
-![Version: 6.25.0](https://img.shields.io/badge/Version-6.25.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 3.3.2](https://img.shields.io/badge/AppVersion-3.3.2-informational?style=flat-square)
+![Version: 6.25.1](https://img.shields.io/badge/Version-6.25.1-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 3.3.2](https://img.shields.io/badge/AppVersion-3.3.2-informational?style=flat-square)
 
 Helm chart for Grafana Loki and Grafana Enterprise Logs supporting both simple, scalable and distributed modes.
 
@@ -15,7 +15,7 @@ Helm chart for Grafana Loki and Grafana Enterprise Logs supporting both simple,
 | Repository | Name | Version |
 |------------|------|---------|
 | https://charts.min.io/ | minio(minio) | 5.4.0 |
-| https://grafana.github.io/helm-charts | grafana-agent-operator(grafana-agent-operator) | 0.5.0 |
+| https://grafana.github.io/helm-charts | grafana-agent-operator(grafana-agent-operator) | 0.5.1 |
 | https://grafana.github.io/helm-charts | rollout_operator(rollout-operator) | 0.23.0 |
 
 Find more information in the Loki Helm Chart [documentation](https://grafana.com/docs/loki/next/installation/helm).

production/helm/loki/templates/gateway/service-gateway.yaml

@@ -12,6 +12,9 @@ metadata:
     {{- with .Values.gateway.service.labels }}
     {{- toYaml . | nindent 4}}
     {{- end }}
+    {{- if not (and .Values.enterprise.enabled .Values.enterprise.gelGateway) }}
+    prometheus.io/service-monitor: "false"
+    {{- end }}
   annotations:
     {{- with .Values.loki.serviceAnnotations }}
     {{- toYaml . | nindent 4}}