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

helmfile/environments/default/charts.yaml.gotmpl

@@ -441,6 +441,16 @@ charts:
     name: "postgresql"
     version: "2.1.2"
     verify: true
+  prometheusNatsExporter:
+    # providerCategory: "Platform"
+    # providerResponsible: "openDesk"
+    # upstreamRegistry: "https://ghcr.io"
+    # upstreamRepository: "prometheus-community/charts"
+    registry: "ghcr.io"
+    repository: "prometheus-community/charts"
+    name: "prometheus-nats-exporter"
+    version: "2.20.0"
+    verify: false
   redis:
     # providerCategory: "Community"
     # providerResponsible: "openDesk"

helmfile/environments/default/customization.yaml.gotmpl

@@ -56,6 +56,7 @@ customization:
     intercomService: {}
     opendeskKeycloakBootstrap: {}
     nginxS3Gateway: {}
+    prometheusNatsExporter: {}
     # open-xchange
     dovecot: {}
     openxchange: {}

helmfile/environments/default/images.yaml.gotmpl

@@ -921,6 +921,14 @@ images:
     registry: "registry-1.docker.io"
     repository: "library/postgres"
     tag: "15.13-alpine3.20@sha256:f7de0e2497b9a3b027d41377606f94bb0140a034ed303f6de690aa77637bfbc9"
+  prometheusNatsExporter:
+    # providerCategory: "Community"
+    # providerResponsible: "openDesk"
+    # upstreamRegistry: "https://registry-1.docker.io"
+    # upstreamRepository: "natsio/prometheus-nats-exporter"
+    registry: "docker.io"
+    repository: "natsio/prometheus-nats-exporter"
+    tag: "0.17.3@sha256:26c826662ac8424597cc9bdf89ea5b606eb66e3c11db9b1215c27d2076bbb01b"
   prosody:
     # providerCategory: "Supplier"
     # providerResponsible: "Nordeck"

helmfile/environments/default/monitoring.yaml.gotmpl

@@ -17,6 +17,13 @@ monitoring:
       labels:
         release: "kube-prometheus-stack"
 
+    # toggles for deploying additional prometheus exporters as part of openDesk
+    exporters:
+      # general switch to enable all optional exporters
+      all: false
+      # overwrite for whether a prometheus-nats-exporter should be deployed to allow monitoring of the internal nats server
+      nats: ~
+
   grafana:
     dashboards:
       enabled: false

helmfile/environments/default/resources.yaml.gotmpl

@@ -437,6 +437,13 @@ resources:
     requests:
       cpu: 0.1
       memory: "256Mi"
+  prometheusNatsExporter:
+    limits:
+      cpu: 99
+      memory: "128Mi"
+    requests:
+      cpu: 100m
+      memory: "128Mi"
   prosody:
     limits:
       cpu: 99