[prometheus-systemd-exporter] Add values for default args

Signed-off-by: Glenn Pratt <[email protected]>

charts/prometheus-systemd-exporter/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: prometheus-systemd-exporter
 description: A Helm chart for prometheus systemd-exporter
 type: application
-version: 0.3.0
+version: 0.4.0
 appVersion: "0.6.0"
 home: https://github.com/prometheus-community/systemd_exporter
 sources:

charts/prometheus-systemd-exporter/templates/daemonset.yaml

@@ -50,8 +50,8 @@ spec:
           image: {{ include "prometheus-systemd-exporter.image" . }}
           imagePullPolicy: {{ .Values.image.pullPolicy }}
           args:
-          - --log.level=info
-          - --systemd.collector.unit-include=kubelet.service|docker.service
+          - --log.level={{ .Values.logLevel }}
+          - --systemd.collector.unit-include={{ .Values.unitIncludeRegex }}
           {{- with .Values.extraArgs }}
           {{- toYaml . | nindent 10 }}
           {{- end }}

charts/prometheus-systemd-exporter/values.yaml

@@ -50,7 +50,13 @@ env: {}
 ##  env:
 ##    VARIABLE: value
 
-# extraArgs allows to pass command line arguments, as described on https://github.com/prometheus-community/systemd_exporter?tab=readme-ov-file#configuration
+# Log level for systemd_exporter
+logLevel: info
+
+# Include systemd units matched with RE2, see https://github.com/prometheus-community/systemd_exporter?tab=readme-ov-file#configuration
+unitIncludeRegex: kubelet.service|docker.service
+
+# extraArgs allows to pass command line arguments, as described on https://github.com/prometheus-community/systemd_exporter?tab=readme-ov-file#systemd-versions
 extraArgs: []
 # - --systemd.collector.enable-resolved