feat(nubus): Add prometheus-nats-exporter deployment

helmfile/apps/nubus/helmfile-child.yaml.gotmpl

@@ -36,6 +36,14 @@ repositories:
     password: {{ env "OD_PRIVATE_REGISTRY_PASSWORD" | quote }}
     oci: true
     url: "{{ coalesce .Values.repositories.helm.registryOpencodeDe .Values.global.helmRegistry | default .Values.charts.nginxS3Gateway.registry }}/{{ .Values.charts.nginxS3Gateway.repository }}"
+  # prometheus-nats-exporter chart
+  - name: "prometheus-nats-exporter-repo"
+    keyring: "../../files/gpg-pubkeys/opencode.gpg"
+    verify: {{ .Values.charts.prometheusNatsExporter.verify }}
+    username: {{ env "OD_PRIVATE_REGISTRY_USERNAME" | quote }}
+    password: {{ env "OD_PRIVATE_REGISTRY_PASSWORD" | quote }}
+    oci: true
+    url: "{{ coalesce .Values.repositories.helm.registryOpencodeDe .Values.global.helmRegistry | default .Values.charts.prometheusNatsExporter.registry }}/{{ .Values.charts.prometheusNatsExporter.repository }}"
 
 releases:
   # Univention Management Stack Umbrella Chart
@@ -86,6 +94,18 @@ releases:
     installed: {{ .Values.apps.nubus.enabled }}
     timeout: 900
 
+  # prometheus-nats-exporter
+  - name: "prometheus-nats-exporter"
+    chart: "prometheus-nats-exporter-repo/{{ .Values.charts.prometheusNatsExporter.name }}"
+    version: "{{ .Values.charts.prometheusNatsExporter.version }}"
+    values:
+      - "values-prometheus-nats-exporter.yaml.gotmpl"
+      {{- range .Values.customization.release.prometheusNatsExporter }}
+      - {{ . }}
+      {{- end }}
+    installed: {{ eq .Values.monitoring.prometheus.exporters.nats nil | ternary .Values.monitoring.prometheus.exporters.all .Values.monitoring.prometheus.exporters.nats }}
+    timeout: 900
+
 commonLabels:
   deployStage: "050-components"
   component: "nubus"

helmfile/apps/nubus/values-prometheus-nats-exporter.yaml.gotmpl

@@ -0,0 +1,27 @@
+{{/*
+SPDX-FileCopyrightText: 2024 Zentrum für Digitale Souveränität der Öffentlichen Verwaltung (ZenDiS) GmbH
+SPDX-License-Identifier: Apache-2.0
+*/}}
+---
+image:
+  repository: {{ coalesce .Values.repositories.image.registryOpencodeDeEnterprise .Values.global.imageRegistry .Values.images.prometheusNatsExporter.registry }}/{{ .Values.images.prometheusNatsExporter.repository }}
+  tag: {{ .Values.images.prometheusNatsExporter.tag }}
+  pullPolicy: {{ .Values.global.imagePullPolicy | quote }}
+  imagePullSecrets:
+    {{- range .Values.global.imagePullSecrets }}
+    - name: {{ . | quote }}
+    {{- end }}
+
+serviceMonitor:
+  enabled: {{ .Values.monitoring.prometheus.serviceMonitors.enabled }}
+  additionalLabels:
+    {{ .Values.monitoring.prometheus.serviceMonitors.labels | toYaml | nindent 4 }}
+
+resources:
+  {{ .Values.resources.prometheusNatsExporter | toYaml | nindent 2 }}
+
+config:
+  nats:
+    service: ums-provisioning-nats
+    namespace: {{ .Release.Namespace }}
+    port: 8222