#!/bin/bash

MAX=8025

echo "
admin:
  access_log_path: /tmp/admin_access.log
  address:
    socket_address: { address: 127.0.0.1, port_value: 9901 }

static_resources:
  listeners:
"

for i in $(eval echo "{1025..$MAX}")
do
    echo "
  - name: listener_$i
    address:
      socket_address: { address: 127.0.0.1, port_value: 1$i }
    filter_chains:
    - filters:
      - name: envoy.filters.network.http_connection_manager
        typed_config:
          \"@type\": type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager
          stat_prefix: ingress_http
          codec_type: AUTO
          route_config:
            name: local_route
            virtual_hosts:
            - name: local_service
              domains: [\"*\"]
              routes:
              - match: { prefix: \"/$i\" }
                route: { cluster: some_service_$i }
          http_filters:
          - name: envoy.filters.http.router
"
done

echo  "
  clusters:
"

for i in $(eval echo "{1025..$MAX}")
do
    echo  "
  - name: some_service_$i
    connect_timeout: 0.25s
    type: STATIC
    lb_policy: ROUND_ROBIN
    load_assignment:
      cluster_name: some_service_$i
      endpoints:
      - lb_endpoints:
        - endpoint:
            address:
              socket_address:
                address: 127.0.0.1
                port_value: $i
"
done