fix(metrics) Modify servicemonitor to scrape signaller port optionally (#170)

* fix(metrics) Modify servicemonitor to scrape signaller port optionally

* Rename Helm values

---------

Co-authored-by: Martin Helmich <m.helmich@mittwald.de>

Author: sarasensible

chart/templates/servicemonitor.yaml

@@ -21,4 +21,14 @@ spec:
     {{- if .Values.serviceMonitor.scrapeTimeout }}
     scrapeTimeout: {{ .Values.serviceMonitor.scrapeTimeout }}
     {{- end }}
+  {{- if .Values.serviceMonitor.scrapeSignaller }}
+  - port: signaller
+    path: /metrics
+    {{- if .Values.serviceMonitor.interval }}
+    interval: {{ .Values.serviceMonitor.interval }}
+    {{- end }}
+    {{- if .Values.serviceMonitor.scrapeTimeout }}
+    scrapeTimeout: {{ .Values.serviceMonitor.scrapeTimeout }}
+    {{- end }}
+  {{- end }}
 {{- end}}

chart/values.yaml

@@ -74,6 +74,8 @@ serviceMonitor:
   ## Scrape Timeout. If not set, the Prometheus default scrape timeout is used.
   scrapeTimeout: ""
 
+  # Set this to also scrape the signaller metrics in addition to the varnish metrics
+  scrapeSignaller: false
 
 podSecurityPolicy:
   enabled: false