feat(treafik): Adds theme.park middleware and remove Traefik pilot (#3245)

* chore(traefik): add deprecation pilot notice

* feat(treafik): Adds theme.park middleware and deprecation notice on pilot

* Update charts/stable/traefik/templates/middlewares/theme-park.yaml

* just remove pilot

* Apply suggestions from code review

Co-authored-by: Kjeld Schouten-Lebbing <kjeld@schouten-lebbing.nl>

charts/stable/traefik/templates/_args.tpl

@@ -141,12 +141,12 @@ args:
   {{- end }}
   {{- end }}
   {{- end }}
-  {{- if .Values.pilot.enabled }}
-  - "--pilot.token={{ .Values.pilot.token }}"
-  {{- end }}
-  {{- if hasKey .Values.pilot "dashboard" }}
-  - "--pilot.dashboard={{ .Values.pilot.dashboard }}"
+  {{/* theme.park */}}
+  {{- if .Values.themePark}}
+  - "--experimental.plugins.traefik-themepark.modulename=github.com/packruler/traefik-themepark"
+  - "--experimental.plugins.traefik-themepark.version={{ .Values.themeParkVersion }}"
   {{- end }}
+  {{/* End of theme.park */}}
   {{- with .Values.additionalArguments }}
   {{- range . }}
   - {{ . | quote }}

charts/stable/traefik/templates/middlewares/theme-park.yaml

@@ -0,0 +1,20 @@
+{{- $values := .Values }}
+{{- $namespace := ( printf "ix-%s" .Release.Name ) }}
+{{- if or ( not .Values.ingressClass.enabled ) ( and ( .Values.ingressClass.enabled ) ( .Values.ingressClass.isDefaultClass ) ) }}
+{{- $namespace = "default" }}
+{{- end }}
+{{- range $index, $middlewareData := .Values.middlewares.redirectScheme }}
+
+---
+# Declaring the user list
+apiVersion: traefik.containo.us/v1alpha1
+kind: Middleware
+metadata:
+  name: {{ $middlewareData.name }}
+  namespace: {{ $namespace }}
+spec:
+    plugin:
+        traefik-themepark:
+            app: {{ $middlewareData.app }}
+            theme: {{ $middlewareData.theme }}
+{{- end }}