ShenFeng312 opened a new issue, #10896:
URL: https://github.com/apache/apisix/issues/10896
### Current Behavior
DNS client has removed all results from the DNS server that are either of a
different type or have a different name.
### Expected Behavior
DNS client should not remove them
### Error Logs
you can get log use
[cliet.lua](https://github.com/ShenFeng312/lua-resty-dns-client/blob/master/src/resty/dns/client.lua).
2024/01/25 18:08:35 [warn] 32#32: *13313 [lua] client.lua:1132: resolve():
[dns-client] resolve qname:www.baidu.comopts:nulltry_listnull, client:
127.0.0.1, server: _, request: "GET /proout HTTP/1.1", host: "localhost:9080"
2024/01/25 18:08:35 [warn] 32#32: *13313 [lua] client.lua:1154: resolve():
[dns-client] from cache try_name:www.baidu.comqtype:nil records:null, client:
127.0.0.1, server: _, request: "GET /proout HTTP/1.1", host: "localhost:9080"
2024/01/25 18:08:35 [warn] 32#32: *13314 [lua] client.lua:642:
parseAnswer(): [dns-client] parseAnswer
qname:www.baidu.com.jck-namespace-50714.svc.cluster.localqtype1, context:
ngx.timer, client: 127.0.0.1, server: 0.0.0.0:9080
2024/01/25 18:08:35 [warn] 32#32: *13314 [lua] client.lua:672:
parseAnswer(): [dns-client]
remove{"class":1,"section":1,"ttl":10,"address":"220.181.38.150","type":1,"name":"www.a.shifen.com"},
context: ngx.timer, client: 127.0.0.1, server: 0.0.0.0:9080
2024/01/25 18:08:35 [warn] 32#32: *13314 [lua] client.lua:672:
parseAnswer(): [dns-client]
remove{"class":1,"section":1,"ttl":10,"address":"220.181.38.149","type":1,"name":"www.a.shifen.com"},
context: ngx.timer, client: 127.0.0.1, server: 0.0.0.0:9080
2024/01/25 18:08:35 [warn] 32#32: *13314 [lua] client.lua:672:
parseAnswer(): [dns-client]
remove{"class":1,"section":1,"cname":"www.a.shifen.com","ttl":10,"type":5,"name":"www.baidu.com"},
context: ngx.timer, client: 127.0.0.1, server: 0.0.0.0:9080
2024/01/25 18:08:35 [warn] 32#32: *13314 [lua] client.lua:672:
parseAnswer(): [dns-client]
remove{"class":1,"section":1,"cname":"www.baidu.com","ttl":10,"type":5,"name":"www.baidu.com.jck-namespace-50714.svc.cluster.local"},
context: ngx.timer, client: 127.0.0.1, server: 0.0.0.0:9080
### Steps to Reproduce
1. use defaut apisix config and use search list in resolv.conf
2. upsteam config with www.baidu.com
3. make dns result like this
{"class":1,"section":1,"ttl":10,"address":"220.181.38.150","type":1,"name":"www.a.shifen.com"}
{"class":1,"section":1,"ttl":10,"address":"220.181.38.149","type":1,"name":"www.a.shifen.com"}
{"class":1,"section":1,"cname":"www.a.shifen.com","ttl":10,"type":5,"name":"www.baidu.com"}
{"class":1,"section":1,"cname":"www.baidu.com","ttl":10,"type":5,"name":"www.baidu.com.searchlistitem"}
### Environment
- APISIX version (run `apisix version`):
- Operating system (run `uname -a`):
- OpenResty / Nginx version (run `openresty -V` or `nginx -V`):
- etcd version, if relevant (run `curl
http://127.0.0.1:9090/v1/server_info`):
- APISIX Dashboard version, if relevant:
- Plugin runner version, for issues related to plugin runners:
- LuaRocks version, for installation issues (run `luarocks --version`):
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