feat(helm): permit configuration of log level

eg. `helm template . --set-json '{"log_level": "trace,rdkafka=info,axum=info"}'`

Author: x10an14-nav

helm/klag-exporter/templates/deployment.yaml

@@ -39,6 +39,11 @@ spec:
           {{- end }}
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
           imagePullPolicy: {{ .Values.image.pullPolicy }}
+          {{- if .Values.log_level }}
+          env:
+            - name: RUST_LOG
+              value: {{ .Values.log_level }}
+          {{- end }}
           {{- if or .Values.envFromConfigMaps .Values.envFromSecrets }}
           envFrom:
           {{- range .Values.envFromConfigMaps }}

helm/klag-exporter/values.yaml

@@ -119,6 +119,7 @@ readinessProbe:
     path: /ready
     port: http
 
+log_level: "info"
 config:
   exporter:
     poll_interval: "30s"