chore(template): Add Helm helper for telemetry env vars (#501)

* chore(template): Add Helm helper for telemetry env vars

* chore(template): Update env vars in Helm helper

* chore(template): Add include directive to deployment template

* fix: Remove hard-coded file log level

* chore(template): Add console log format to helper

* chore(template): Add file log max files to helper

Author: Techassi

template/deploy/helm/[[operator]]/templates/_telemetry.tpl

@@ -0,0 +1,59 @@
+{{/*
+Create a list of telemetry related env vars.
+*/}}
+{{- define "telemetry.envVars" -}}
+{{- with .Values.telemetry }}
+{{- if not .consoleLog.enabled }}
+- name: CONSOLE_LOG_DISABLED
+  value: "true"
+{{- end }}
+{{- if .consoleLog.level }}
+- name: CONSOLE_LOG_LEVEL
+  value: {{ .consoleLog.level }}
+{{ end }}
+{{- if .consoleLog.format }}
+- name: CONSOLE_LOG_FORMAT
+  value: {{ .consoleLog.format }}
+{{ end }}
+{{- if .fileLog.enabled }}
+- name: FILE_LOG_DIRECTORY
+  value: /stackable/logs/{{ include "operator.appname" $ }}
+{{- end }}
+{{- if .fileLog.level }}
+- name: FILE_LOG_LEVEL
+  value: {{ .fileLog.level }}
+{{- end }}
+{{- if .fileLog.rotationPeriod }}
+- name: FILE_LOG_ROTATION_PERIOD
+  value: {{ .fileLog.rotationPeriod }}
+{{- end }}
+{{- if .fileLog.maxFiles }}
+- name: FILE_LOG_MAX_FILES
+  value: {{ .fileLog.maxFiles }}
+{{- end }}
+{{- if .otelLogExporter.enabled }}
+- name: OTEL_LOG_EXPORTER_ENABLED
+  value: "true"
+{{- end }}
+{{- if .otelLogExporter.level }}
+- name: OTEL_LOG_EXPORTER_LEVEL
+  value: {{ .otelLogExporter.level }}
+{{- end }}
+{{- if .otelLogExporter.endpoint }}
+- name: OTEL_EXPORTER_OTLP_LOGS_ENDPOINT
+  value: {{ .otelLogExporter.endpoint }}
+{{- end }}
+{{- if .otelTraceExporter.enabled }}
+- name: OTEL_TRACE_EXPORTER_ENABLED
+  value: "true"
+{{- end }}
+{{- if .otelTraceExporter.level }}
+- name: OTEL_TRACE_EXPORTER_LEVEL
+  value: {{ .otelTraceExporter.level }}
+{{- end }}
+{{- if .otelTraceExporter.endpoint }}
+- name: OTEL_EXPORTER_OTLP_TRACES_ENDPOINT
+  value: {{ .otelTraceExporter.endpoint }}
+{{- end }}
+{{- end }}
+{{- end }}

template/deploy/helm/[[operator]]/templates/deployment.yaml.j2

@@ -52,6 +52,7 @@ spec:
             - name: KUBERNETES_CLUSTER_DOMAIN
               value: {{ .Values.kubernetesClusterDomain | quote }}
             {{- end }}
+            {{- include "telemetry.envVars" . | nindent 12 }}
 {[% if operator.product_string in ['kafka'] %}]
             - name: KAFKA_BROKER_CLUSTERROLE
               value: {{ include "operator.fullname" . }}-kafka-broker-clusterrole