fix (Uptime Kuma): Missing metrics port (#6435)

* (fix) Uptime Kuma: Missing metrics port

* bump

* common annotations

* add some tidbits

* Update charts/stable/uptime-kuma/templates/_prometheusrules.tpl

Signed-off-by: Stavros Kois <47820033+stavros-k@users.noreply.github.com>

* Update charts/stable/uptime-kuma/templates/_prometheusrules.tpl

Signed-off-by: Stavros Kois <47820033+stavros-k@users.noreply.github.com>

* common

* common 2

* Update charts/stable/uptime-kuma/templates/common.yaml

Signed-off-by: Stavros Kois <47820033+stavros-k@users.noreply.github.com>

Signed-off-by: Stavros Kois <47820033+stavros-k@users.noreply.github.com>
Co-authored-by: Stavros Kois <47820033+stavros-k@users.noreply.github.com>

charts/stable/uptime-kuma/Chart.yaml

@@ -21,7 +21,7 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/uptime-kuma
   - https://github.com/louislam/uptime-kuma
 type: application
-version: 5.0.11
+version: 5.0.12
 annotations:
   truecharts.org/catagories: |
     - monitoring

charts/stable/uptime-kuma/templates/_prometheusrules.tpl

@@ -0,0 +1,23 @@
+{{- define "uptime.prometheusrule" -}}
+{{- if hasKey .Values "metrics" }}
+{{- if and .Values.metrics.enabled .Values.metrics.prometheusRule.enabled }}
+---
+apiVersion: monitoring.coreos.com/v1
+kind: PrometheusRule
+metadata:
+  name: {{ include "tc.common.names.fullname" . }}
+  labels:
+    {{- include "tc.common.labels" . | nindent 4 }}
+    {{- with .Values.metrics.prometheusRule.labels }}
+    {{- toYaml . | nindent 4 }}
+    {{- end }}
+spec:
+  groups:
+    - name: {{ include "tc.common.names.fullname" . }}
+      rules:
+        {{- with .Values.metrics.prometheusRule.rules }}
+        {{- toYaml . | nindent 8 }}
+        {{- end }}
+{{- end }}
+{{- end }}
+{{- end -}}

charts/stable/uptime-kuma/templates/_servicemonitor.tpl

@@ -1,5 +1,7 @@
+{{- define "uptime.servicemonitor" -}}
 {{- if hasKey .Values "metrics" }}
 {{- if .Values.metrics.enabled }}
+---
 apiVersion: monitoring.coreos.com/v1
 kind: ServiceMonitor
 metadata:
@@ -24,3 +26,4 @@ spec:
       path: /metrics
 {{- end }}
 {{- end }}
+{{- end -}}

charts/stable/uptime-kuma/templates/common.yaml

@@ -1 +1,15 @@
-{{ include "tc.common.loader.all" . }}
+{{- include "tc.common.loader.init" . }}
+
+{{- if hasKey .Values "metrics" -}}
+{{- if .Values.metrics.enabled -}}
+{{- $_ := set .Values.podAnnotations "prometheus.io/scrape" "true" -}}
+{{- $_ := set .Values.podAnnotations "prometheus.io/path" "/metrics" -}}
+{{- $_ := set .Values.podAnnotations "prometheus.io/port" (.Values.service.metrics.ports.metrics.targetPort | quote) -}}
+{{- end -}}
+{{- end -}}
+
+{{- include "uptime.servicemonitor" . -}}
+{{- include "uptime.prometheusrule" . -}}
+
+{{/* Render the templates */}}
+{{ include "tc.common.loader.apply" . }}

charts/stable/uptime-kuma/values.yaml

@@ -20,6 +20,17 @@ service:
         port: 3001
         targetPort: 3001
 
+  # Metrics Services
+  metrics:
+    enabled: true
+    type: ClusterIP
+    ports:
+      metrics:
+        enabled: true
+        protocol: HTTP
+        port: 3002
+        targetPort: 3002
+
 persistence:
   config:
     enabled: true