use real ip from fastly in nginx

Author: haarg

platform/ingress-nginx/kustomization.yaml

@@ -3,6 +3,7 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
   - https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v1.10.1/deploy/static/provider/do/deploy.yaml
+  - ./nginx-config.yaml
 patchesStrategicMerge:
   - |-
     apiVersion: v1

platform/ingress-nginx/nginx-config.yaml

@@ -0,0 +1,8 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: ingress-nginx-controller
+  namespace: ingress-nginx
+data:
+  enable-real-ip: true
+  proxy-real-ip-cidr: 23.235.32.0/20,43.249.72.0/22,103.244.50.0/24,103.245.222.0/23,103.245.224.0/24,104.156.80.0/20,140.248.64.0/18,140.248.128.0/17,146.75.0.0/17,151.101.0.0/16,157.52.64.0/18,167.82.0.0/17,167.82.128.0/20,167.82.160.0/20,167.82.224.0/20,172.111.64.0/18,185.31.16.0/22,199.27.72.0/21,199.232.0.0/16,2a04:4e40::/32,2a04:4e42::/32