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Posted to notifications@apisix.apache.org by GitBox <gi...@apache.org> on 2022/03/24 01:57:34 UTC
[GitHub] [apisix] zhantanfeng opened a new issue #6700: help request: apisix在解析域名时失败，出现循环
zhantanfeng opened a new issue #6700:
URL: https://github.com/apache/apisix/issues/6700
### Description
在双栈k8s集群中，利用apisix进行流量转发，出现解析域名失败的情况，具体日志如下：
但是在ping这个域名时，已经解析出了这个地址
在apisix的配置文件中也已经开启了ipv6
apisix版本为：2.5
k8s版本为1.21.5
etcd版本为：3.4.9
请问改如何解决呢？
### Environment
- APISIX version (run `apisix version`):2.5
- Operating system (run `uname -a`):Linux dev-node11 4.19.25-200.1.el7.bclinux.x86_64
- OpenResty / Nginx version (run `openresty -V` or `nginx -V`): openresty/1.19.3.1
- etcd version, if relevant (run `curl http://127.0.0.1:9090/v1/server_info`): 3.4.9
- 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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[GitHub] [apisix] zhantanfeng commented on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
zhantanfeng commented on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1081391873
>
> Don't forget to wrap the address with `""`, as there is a `:` in IPv6 address and will be recoginized as map if `""` is not given.
Here is the config file，but is failed too.
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[GitHub] [apisix] zhantanfeng commented on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
zhantanfeng commented on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1077004504
>
I will try with APISIX 2.12, but I tried with 2.13, it can not run.
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[GitHub] [apisix] spacewander commented on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
spacewander commented on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1077001912
Can it be reproduced with the APISIX 2.12?
Would you like to provide a packet capture file when APISIX failed to resolve the address and the one for ping?
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[GitHub] [apisix] zhantanfeng commented on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
zhantanfeng commented on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1081344154
> Does manually configuring the nameserver in
>
> https://github.com/apache/apisix/blob/542569091d4b6a40b9d560c4fe76077ee9dba087/conf/config-default.yaml#L120
>
> can solve the problem?
You mean config dns_resolver with "8.8.8.8" or others? it can not solve the problem, I have tried it. Now it uses zhe cluster DNS server, but failed too.
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[GitHub] [apisix] spacewander commented on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
spacewander commented on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1080307406
I have just read the pcap file.
Look like the server queried 114.114.114.114 / 1.1.1.1 / 223.5.5.5 and got "No such name".
Could you provide a successful case's pcap with ping?
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[GitHub] [apisix] spacewander commented on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
spacewander commented on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1081347430
dns_resolver with "fd11:..."
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[GitHub] [apisix] zhantanfeng closed issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
zhantanfeng closed issue #6700:
URL: https://github.com/apache/apisix/issues/6700
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[GitHub] [apisix] zhantanfeng commented on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
zhantanfeng commented on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1080124749
> > >
> >
> >
> > I will try with APISIX 2.12, but I tried with 2.13, it can not run.
>
> If 2.13 has the same problem, 2.12 also suffers from it. Let me see the packet capture file.
![Uploading image.png…]()
here is the packet capture file screenshot.
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[GitHub] [apisix] spacewander commented on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
spacewander commented on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1081366935
Don't forget to wrap the address with `""`, as there is a `:` in IPv6 address and will be recoginized as map if `""` is not given.
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[GitHub] [apisix] zhantanfeng edited a comment on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
zhantanfeng edited a comment on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1080124749
> > >
> >
> >
> > I will try with APISIX 2.12, but I tried with 2.13, it can not run.
>
> If 2.13 has the same problem, 2.12 also suffers from it. Let me see the packet capture file.
here is the packet capture file screenshot.
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[GitHub] [apisix] zhantanfeng commented on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
zhantanfeng commented on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1080268996
> You can attach the pcap file in this issue.
I have uploaded the pcap file.
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[GitHub] [apisix] zhantanfeng edited a comment on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
zhantanfeng edited a comment on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1081391873
>
> Don't forget to wrap the address with `""`, as there is a `:` in IPv6 address and will be recoginized as map if `""` is not given.
Here is the config file，but is failed too.
[cm.zip](https://github.com/apache/apisix/files/8368066/cm.zip)
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[GitHub] [apisix] zhantanfeng edited a comment on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
zhantanfeng edited a comment on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1080124749
> > >
> >
> >
> > I will try with APISIX 2.12, but I tried with 2.13, it can not run.
>
> If 2.13 has the same problem, 2.12 also suffers from it. Let me see the packet capture file.
here is the packet capture file screenshot.
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[GitHub] [apisix] spacewander edited a comment on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
spacewander edited a comment on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1081360267
What error?
Can you provide a full configuration so we can reproduce it?
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[GitHub] [apisix] zhantanfeng commented on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
zhantanfeng commented on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1081644070
@spacewander @tokers Thank you very much! You solved the problem!
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[GitHub] [apisix] spacewander commented on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
spacewander commented on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1077007841
> >
>
> I will try with APISIX 2.12, but I tried with 2.13, it can not run.
If 2.13 has the same problem, 2.12 also suffers from it. Let me see the packet capture file.
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[GitHub] [apisix] zhantanfeng edited a comment on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
zhantanfeng edited a comment on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1080355832
> I have just read the pcap file. Look like the server queried 114.114.114.114 / 1.1.1.1 / 223.5.5.5 and got "No such name".
>
> Could you provide a successful case's pcap with ping?
It's a successful case, but not same environment with the error case.
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[GitHub] [apisix] zhantanfeng commented on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
zhantanfeng commented on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1080355832
> I have just read the pcap file. Look like the server queried 114.114.114.114 / 1.1.1.1 / 223.5.5.5 and got "No such name".
>
> Could you provide a successful case's pcap with ping?
It's a successful case, but not same environment with the error case.
[tcpdump.zip](https://github.com/apache/apisix/files/8361046/tcpdump.zip)
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[GitHub] [apisix] spacewander commented on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
spacewander commented on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1081341966
Does manually configuring the nameserver in https://github.com/apache/apisix/blob/542569091d4b6a40b9d560c4fe76077ee9dba087/conf/config-default.yaml#L120 can solve the problem?
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[GitHub] [apisix] spacewander commented on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
spacewander commented on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1080236505
You can attach the pcap file in this issue.
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[GitHub] [apisix] zhantanfeng commented on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
zhantanfeng commented on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1080075694
> > >
> >
> >
> > I will try with APISIX 2.12, but I tried with 2.13, it can not run.
>
> If 2.13 has the same problem, 2.12 also suffers from it. Let me see the packet capture file.
I got the packet capture file, what info do you want to see? it has lots of info.
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[GitHub] [apisix] spacewander commented on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
spacewander commented on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1081360267
What error?
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[GitHub] [apisix] tokers commented on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
tokers commented on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1081626284
@zhantanfeng You just configure the IPv6, but missing the port.
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[GitHub] [apisix] zhantanfeng commented on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
zhantanfeng commented on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1080545256
> I have just read the pcap file. Look like the server queried 114.114.114.114 / 1.1.1.1 / 223.5.5.5 and got "No such name".
>
> Could you provide a successful case's pcap with ping?
It looks like it can parse this domain.
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[GitHub] [apisix] zhantanfeng commented on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
zhantanfeng commented on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1081316239
> <img alt="image" width="1177" src="https://user-images.githubusercontent.com/10428333/160515340-ed3e5dd4-5849-4eba-b897-5058b2854ef9.png">
>
> It seems that the domain name has a duplicated ".svc.cluster.local" suffix.
But it is successful, and I think it maybe has bussiness with the kube-dns svc address, do apisix support ipv6？
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[GitHub] [apisix] zhantanfeng commented on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
zhantanfeng commented on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1081356775
> dns_resolver with "fd11:..."
If I configure this directly, there will be an error. Apifix can't run.
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[GitHub] [apisix] tokers commented on issue #6700: help request: apisix在解析域名时失败，出现循环
Posted by GitBox <gi...@apache.org>.
tokers commented on issue #6700:
URL: https://github.com/apache/apisix/issues/6700#issuecomment-1081313010
<img width="1177" alt="image" src="https://user-images.githubusercontent.com/10428333/160515340-ed3e5dd4-5849-4eba-b897-5058b2854ef9.png">
It seems that the domain name has a duplicated ".svc.cluster.local" suffix.
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