envoyfilter-custom-redis-cluster.yaml

---
apiVersion: networking.istio.io/v1alpha3
kind: EnvoyFilter
metadata:
  name: custom-redis-cluster
  namespace: istio-system
spec:
  configPatches:
  - applyTo: CLUSTER
    patch:
      operation: INSERT_FIRST
      value:
        name: "custom-redis-cluster"
        connect_timeout: 0.5s
        lb_policy: CLUSTER_PROVIDED
        load_assignment:
          cluster_name: custom-redis-cluster
          endpoints:
          - lb_endpoints:
            - endpoint:
                address:
                  socket_address:
                    address: redis-cluster-0.redis-cluster.redis.svc.cluster.local
                    port_value: 6379
            - endpoint:
                address:
                  socket_address:
                    address: redis-cluster-1.redis-cluster.redis.svc.cluster.local
                    port_value: 6379
            - endpoint:
                address:
                  socket_address:
                    address: redis-cluster-2.redis-cluster.redis.svc.cluster.local
                    port_value: 6379
            - endpoint:
                address:
                  socket_address:
                    address: redis-cluster-3.redis-cluster.redis.svc.cluster.local
                    port_value: 6379
            - endpoint:
                address:
                  socket_address:
                    address: redis-cluster-4.redis-cluster.redis.svc.cluster.local
                    port_value: 6379
            - endpoint:
                address:
                  socket_address:
                    address: redis-cluster-5.redis-cluster.redis.svc.cluster.local
                    port_value: 6379
        cluster_type:
          name: envoy.clusters.redis
          typed_config:
            "@type": type.googleapis.com/google.protobuf.Struct
            value:
              cluster_refresh_rate: 5s
              cluster_refresh_timeout: 3s
              redirect_refresh_interval: 5s
              redirect_refresh_threshold: 5