hunter issues

Results 3 issues of


                                            hunter

edgecore运行不确定时间之后云端通过kubectl exec 容器卡住

**What happened**: edgcore某2个节点正常运行20天左右，云端通过kubectl exec -it -n 2c454090a8ee11ebbe196c92bf6923e5 卡住，无法进入pod 也无法通过kubectl logs 查看pod日志 **What you expected to happen**: 正常运行 **How to reproduce it (as minimally and precisely as possible)**: **Anything else we...

kind/bug

coredns解析外部域名使用TCP和UDP协议转发至上游dns服务器

**What would you like to be added/modified**: **当前代码** ![img](https://raw.githubusercontent.com/cheng-hunter/image/main/image4.png) **修改代码** forward . {{.UpstreamServers}} { prefer_udp } 附coredns部分代码1 ![img](https://raw.githubusercontent.com/cheng-hunter/image/main/image5.png) 附coredns部分代码2 ![img](https://raw.githubusercontent.com/cheng-hunter/image/main/image6.png) **Why is this needed**: dns一般开放udp 53,也有部分时tcp/udp 53, 这样优先使用udp, udp失败时使用tcp，而不是强制使用tcp

kind/feature

优化：当节点因网络离线导致svc转发时，尝试访问离线节点ep,负载离线节点支持k8s策略，默认随机策略。

**What type of PR is this?** **What this PR does / why we need it**: **Which issue(s) this PR fixes**: Fixes # **Special notes for your reviewer**: **Does this PR...

size/L