feat(treafik): add RealIP and addPrefix middleware (#3884)

* fix typo

* feat(treafik): add RealIP middleware

* move middlewares to includes

* bump minor

* remove pilot reference

* lint

* lint

* fix typo in workflow

* add script to update traefikMiddlewares

* add empty space

* realIP empty array

* add addprefix middleware

charts/stable/traefik/templates/_args.tpl

@@ -158,6 +158,12 @@ args:
   - "--experimental.plugins.traefik-themepark.version={{ .Values.middlewares.themeParkVersion }}"
   {{- end }}
   {{/* End of theme.park */}}
+  {{/* RealIP */}}
+  {{- if .Values.middlewares.realIP }}
+  - "--experimental.plugins.traefik-real-ip.modulename=github.com/soulbalz/traefik-real-ip"
+  - "--experimental.plugins.traefik-real-ip.version={{ .Values.middlewares.realIPVersion }}"
+  {{- end }}
+  {{/* End of RealIP */}}
   {{- with .Values.additionalArguments }}
   {{- range . }}
   - {{ . | quote }}

charts/stable/traefik/templates/middlewares/addPrefix.yaml

@@ -0,0 +1,17 @@
+{{- $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.addPrefix }}
+
+---
+apiVersion: traefik.containo.us/v1alpha1
+kind: Middleware
+metadata:
+  name: {{ $middlewareData.name }}
+  namespace: {{ $namespace }}
+spec:
+  addPrefix:
+    prefix: {{ $middlewareData.prefix }}
+{{- end }}

charts/stable/traefik/templates/middlewares/real-ip.yaml

@@ -0,0 +1,21 @@
+{{- $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.realIP }}
+
+---
+apiVersion: traefik.containo.us/v1alpha1
+kind: Middleware
+metadata:
+  name: {{ $middlewareData.name }}
+  namespace: {{ $namespace }}
+spec:
+  plugin:
+    traefik-real-ip:
+      excludednets:
+        {{- range $middlewareData.excludedNetworks }}
+        - {{ . | quote }}
+        {{- end }}
+{{- end }}