itacho generate での記述例

service1.json

{
   "dependencies": [
      {
         "circuit_breaker": {
            "max_connections": 256,
            "max_pending_requests": 512,
            "max_retries": 2
         },
         "cluster_name": "upstream1",
         "connect_timeout_ms": 3000,
         "lb": "upstream1.example.com:80",
         "name": "upstream1",
         "routes": [
            {
               "prefix": "/",
               "retry_policy": {
                  "num_retries": 3,
                  "per_try_timeout_ms": 3000,
                  "retry_on": "5xx,connect-failure,refused-stream"
               },
               "timeout_ms": 10000
            }
         ],
         "tls": false
      }
   ],
   "version": 1
}

service1.jsonnet

local upstream1 = import 'lib/upstreams/upstream1.libsonnet';

local env = 'production';

{
  version: 1,
  dependencies: [
    upstream1[env],
  ],
}

upstream1.libsonnet

local circuitBreakers = import '../circuit_breakers.libsonnet';
local routes = import '../routes.libsonnet';

local name = 'upstream1';

{
  production: {
    name: name,
    cluster_name: 'upstream1',
    lb: 'upstream1.example.com:80',
    tls: false,
    connect_timeout_ms: 3000,
    circuit_breaker: circuitBreakers.default,
    routes: [routes.default],
  },
}