[GitHub] [apisix] fuguanye opened a new issue #4986: Set discovery to DNS, and the service port cannot be obtained automatically

Sun, 05 Sep 2021 19:06:35 -0700 


fuguanye opened a new issue #4986:
URL: https://github.com/apache/apisix/issues/4986


   ### Issue description
   
   服务发现使用为DNS后，添加路由时，服务名称一定要带端口号吗，测试发现不带端口都被转发到80端口上去了
   config.yaml:
   discovery:
     dns:
       servers:
         - "127.0.0.1:8600"          # use the real address of your dns server
   curl http://127.0.0.1:9080/apisix/admin/routes/1 -H 'X-API-KEY: 
edd1c9f034335f136f87ad84b625c8f1' -X PUT -i -d '
   {
       "uri": "/gatewayd/*",
       "upstream": {
           "service_name": "gateway.service.consul"
           "type": "roundrobin",
           "discovery_type": "dns"
       },
    "plugins": {
           "proxy-rewrite" : {
               "regex_uri": ["^/gatewayd/(.*)", "/${1}"]
           }
       }
   }'
   
   ![G}54OW9QEESI 
L5M}1H`G05](https://user-images.githubusercontent.com/48759779/132150102-f7d42f14-dbe7-4155-a3f5-2aa340551723.jpg)
   ![@9%8JW L44 @V{B(6V7 
BNU](https://user-images.githubusercontent.com/48759779/132150150-a09e8e6e-32a6-4ea9-8f30-b8b22a7e9a20.jpg)
   而实际环境中一个服务对应多个节点，端口都是随机不一致的
   不能自动获取consul 上注册上去的端口么
   
   ### Environment
   
   - apisix version (cmd: `apisix version`): 2.9
   - OS (cmd: `uname -a`): cenos 7 Linux localhost.localdomain 
3.10.0-1160.el7.x86_64 #1 SMP Mon Oct 19 16:18:59 UTC 2020 x86_64 x86_64 x86_64 
GNU/Linux
   - OpenResty / Nginx version (cmd: `nginx -V` or `openresty 
-V`):openresty/1.19.9.1
   - etcd version, if have (cmd: run `curl 
http://127.0.0.1:9090/v1/server_info` to get the info from server-info 
API):3.5.0
   - apisix-dashboard version, if have:2.7
   - concul version :V1.10.2
   


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