fix: add missing flag arg

Author: msaah-cleric

traefik/templates/_podtemplate.tpl

@@ -416,6 +416,9 @@
           - "--experimental.fastProxy.debug"
             {{- end }}
           {{- end }}
+          {{- if .Values.experimental.otlpLogs }}
+          - "--experimental.otlpLogs=true"
+          {{- end }}
           {{- range $pluginName, $plugin := .Values.experimental.plugins }}
           {{- if or (ne (typeOf $plugin) "map[string]interface {}") (not (hasKey $plugin "moduleName")) (not (hasKey $plugin "version")) }}
             {{- fail  (printf "ERROR: plugin %s is missing moduleName/version keys !" $pluginName) }}

traefik/tests/traefik-config_test.yaml

@@ -1139,3 +1139,16 @@ tests:
       - contains:
           path: spec.template.spec.containers[0].args
           content: "--hub.pluginregistry.sources.plugin2.github.token=ghp_xxxxxxxxxxxxxxxxxxxx"
+  - it: should enable experimental otlpLogs when specified
+    set:
+      experimental:
+        otlpLogs: true
+    asserts:
+      - contains:
+          path: spec.template.spec.containers[0].args
+          content: "--experimental.otlpLogs=true"
+  - it: should not enable experimental otlpLogs by default
+    asserts:
+      - notContains:
+          path: spec.template.spec.containers[0].args
+          content: "--experimental.otlpLogs=true"