[prometheus-pushgateway] add support for basicAuth in ServiceMonitor

charts/prometheus-pushgateway/Chart.yaml

@@ -1,5 +1,5 @@
 apiVersion: v2
-appVersion: "v1.11.0"
+appVersion: "v1.11.1"
 description: A Helm chart for prometheus pushgateway
 name: prometheus-pushgateway
 version: 3.0.0

charts/prometheus-pushgateway/templates/_helpers.tpl

@@ -131,6 +131,17 @@ Define Authorization
 {{- $user }}:{{ $password }}
 {{- end }}
 
+{{/*
+Define basicAuth
+*/}}
+{{- define "prometheus-pushgateway.basicAuth" -}}
+{{- $users := keys .Values.webConfiguration.basicAuthUsers }}
+{{- $user := first $users }}
+{{- $password := index .Values.webConfiguration.basicAuthUsers $user -}}
+user: {{ $user | b64enc | quote }}
+password: {{ $password | b64enc | quote }}
+{{- end }}
+
 {{/*
 Returns pod spec
 */}}

charts/prometheus-pushgateway/templates/secret.yaml

@@ -8,3 +8,14 @@ metadata:
 data:
   web-config.yaml: {{ include "prometheus-pushgateway.webConfiguration" . | b64enc}}
 {{- end }}
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "prometheus-pushgateway.fullname" . }}-basic-auth
+  labels:
+    {{- include "prometheus-pushgateway.defaultLabels" . | nindent 4 }}
+data:
+  {{- include "prometheus-pushgateway.basicAuth" . | nindent 2 }}
+type: Opaque
+{{- end }}

charts/prometheus-pushgateway/templates/servicemonitor.yaml

@@ -22,6 +22,15 @@ spec:
     {{- with .Values.serviceMonitor.scheme }}
     scheme: {{ . }}
     {{- end }}
+    {{- if .Values.webConfiguration }}
+    basicAuth:
+      password:
+        name: {{ include "prometheus-pushgateway.fullname" . }}-basic-auth
+        key: password
+      username:
+        name: {{ include "prometheus-pushgateway.fullname" . }}-basic-auth
+        key: user
+    {{- end }}
     {{- with .Values.serviceMonitor.bearerTokenFile }}
     bearerTokenFile: {{ . }}
     {{- end }}