feat: support conditional environment variables with enabled flag

Signed-off-by: Tim Karger <tkarger@users.noreply.github.com>

Author: Tim Karger

valkey/templates/deploy_valkey.yaml

@@ -90,9 +90,11 @@ spec:
           securityContext:
             {{- include "renderTplValues" (dict "value" .Values.securityContext "indent" 12 "root" $ ) }}
           env:
-            {{- range $key, $val := .Values.env }}
+            {{- range $key, $env := .Values.env }}
+              {{- if $env.enabled }}
             - name: {{ $key }}
-              value: "{{ $val }}"
+              value: "{{ $env.value }}"
+              {{- end }}
             {{- end }}
             - name: VALKEY_LOGLEVEL
               value: "{{ .Values.valkeyLogLevel }}"

valkey/templates/statefulset.yaml

@@ -103,9 +103,11 @@ spec:
               valueFrom:
                 fieldRef:
                   fieldPath: metadata.labels['apps.kubernetes.io/pod-index']
-            {{- range $key, $val := .Values.env }}
+            {{- range $key, $env := .Values.env }}
+              {{- if $env.enabled }}
             - name: {{ $key }}
-              value: "{{ $val }}"
+              value: "{{ $env.value }}"
+              {{- end }}
             {{- end }}
             - name: VALKEY_LOGLEVEL
               value: "{{ .Values.valkeyLogLevel }}"

valkey/values.yaml

@@ -282,7 +282,9 @@ valkeyLogLevel: "notice"
 
 env: {}
   # Example:
-  # LOG_LEVEL: info
+  # LOG_LEVEL:
+  #   enabled: yes
+  #   value: info
 
 metrics:
   # Enable Prometheus exporter sidecar