kubernetes: added additional ingress controller for internal access

- added additional traefik ingress controller for accessing internal
  services via ingress.

kubernetes/traefik/traefik-internal/values.yaml

@@ -0,0 +1,6 @@
+ingressClass:
+  enabled: true
+  isDefaultClass: false
+  name: traefik-internal
+additionalArguments:
+  - "--providers.kubernetesingress.ingressclass=traefik-internal"

kubernetes/traefik/traefik-middleware/ip-whitelist.yaml

@@ -2,9 +2,10 @@ apiVersion: traefik.io/v1alpha1
 kind: Middleware
 metadata:
   name: ip-whitelist
-  namespace: minio
+  namespace: kube-system
 spec:
   ipWhiteList:
     sourceRange:
-      - 192.168.1.0/24
-      - 87.92.7.212/32
+      - 10.0.0.0/8
+      - 172.16.0.0/12
+      - 192.168.0.0/16