[prometheus-json-exporter]: Allow additional container args and service monitor relabelings

charts/prometheus-json-exporter/Chart.yaml

@@ -19,7 +19,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.11.1
+version: 0.12.0
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to

charts/prometheus-json-exporter/templates/deployment.yaml

@@ -38,10 +38,17 @@ spec:
         {{- toYaml .Values.podSecurityContext | nindent 8 }}
       {{- with .Values.extraInitContainers }}
       initContainers:
-        {{ toYaml . | nindent 8 }}
+        {{- toYaml . | nindent 8 }}
       {{- end }}
       containers:
         - name: {{ .Chart.Name }}
+          {{- with .Values.extraArgs }}
+          args:
+          {{- range . }}
+          - {{ .name | quote }}
+          - {{ .value | quote }}
+          {{- end }}
+          {{- end }}
           {{- with .Values.environmentVariables }}
           env:
             {{- toYaml . | nindent 12}}

charts/prometheus-json-exporter/templates/servicemonitor.yaml

@@ -41,6 +41,10 @@ spec:
         replacement: {{ $replacement }}
         action: replace
         {{- end }}
+    {{- with .additionalRelabels | default $.Values.serviceMonitor.defaults.additionalRelabels }}
+    relabelings:
+    {{- toYaml . | nindent 6 }}
+    {{- end }}
   jobLabel: "{{ $.Release.Name }}"
   selector:
     matchLabels:

charts/prometheus-json-exporter/values.yaml

@@ -62,6 +62,7 @@ serviceMonitor:
   # Default values that will be used for all ServiceMonitors created by `targets`
   defaults:
     additionalMetricsRelabels: {}
+    additionalRelabels: []
     interval: 10s
     labels: {}
     scrapeTimeout: 30s
@@ -73,6 +74,7 @@ serviceMonitor:
 #      interval: 60s                    # Scraping interval. Overrides value set in `defaults`
 #      scrapeTimeout: 60s               # Scrape timeout. Overrides value set in `defaults`
 #      additionalMetricsRelabels: {}    # Map of metric labels and values to add
+#      additionalRelabels: []           # relabelings of metrics
 #      module: example_module           # Name of the module to pick up from `config.yaml` for scraping this target. Optional. Default is `default` provided by the exporter itself.
 
 ingress:
@@ -203,3 +205,8 @@ extraInitContainers: []
   # - name: init-myservice
   #   image: busybox:1.28
   #   command: [ 'sh', '-c', "sleep 10; done" ]
+
+## Additional container arguments
+extraArgs: []
+#  - name: --config.file
+#    value: /app/config/myconfig.yml