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Posted to notifications@apisix.apache.org by GitBox <gi...@apache.org> on 2021/10/14 06:51:58 UTC
[GitHub] [apisix] siaron opened a new issue #5233: request help: no host allowed while connecting to upstream
siaron opened a new issue #5233:
URL: https://github.com/apache/apisix/issues/5233
### Issue description
从nacos上发现服务.
- nacos上的服务ip为主机名`uaa-service`, 一个为ip
- 当负载均衡运行时报 `failed to set server peer [uaa-service:20101] err: no host allowed while connecting to upstream`
### Environment
- apisix version (cmd: `apisix version`):
- OS (cmd: `uname -a`):
- OpenResty / Nginx version (cmd: `nginx -V` or `openresty -V`):
- etcd version, if have (cmd: run `curl http://127.0.0.1:9090/v1/server_info` to get the info from server-info API):
- apisix-dashboard version, if have:
- the plugin runner version, if the issue is about a plugin runner (cmd: depended on the kind of runner):
- luarocks version, if the issue is about installation (cmd: `luarocks --version`):
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[GitHub] [apisix] tzssangglass commented on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
tzssangglass commented on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-1002834057
> i have resolved this issue related to eureka. how can i contributor?
Can you start with a brief chat about how it was solved?
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[GitHub] [apisix] tzssangglass commented on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
tzssangglass commented on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-1022145237
hi @drrrMikado, the cause and the solution of this problem are provided above. Since it is your own plugin, there is nothing I can do about it.
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[GitHub] [apisix] siaron edited a comment on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
siaron edited a comment on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-943328645
> use `dig uaa-service` and show the result, and proveide the environment info
```
apisix version (cmd: apisix version): 2.10.0
OS (cmd: uname -a): macos
OpenResty / Nginx version (cmd: nginx -V or openresty -V):
etcd version, if have (cmd: run curl http://127.0.0.1:9090/v1/server_info to get the info from server-info API):
```
{
"version": "2.10.0",
"hostname": "localhost",
"etcd_version": "3.5.0",
"up_time": 48,
"id": "c1141ba7-70c4-41a9-8d9d-c54c70ac2912",
"boot_time": 1634215727,
"last_report_time": 1634215727
}
```
apisix-dashboard version, if have:
the plugin runner version, if the issue is about a plugin runner (cmd: depended on the kind of runner):
luarocks version, if the issue is about installation (cmd: luarocks --version):
```
### 复现方式
- discovery config
```
discovery: # service discovery center
# dns:
# servers:
# - "127.0.0.1:8600" # use the real address of your dns server
nacos:
host: # it's possible to define multiple eureka hosts addresses of the same eureka cluster.
- "http://nacos:nacos@127.0.0.1:8848"
prefix: "/nacos/v1/"
fetch_interval: 3 # default 30 sec
weight: 10 # default 100
timeout:
connect: 2000 # default 2000 ms
send: 2000 # default 2000 ms
read: 5000 # default 5000 ms
```
- nacos注册服务为
- host 配置
```
localhost:apisix-2.10.0 xxx$ cat /etc/hosts
127.0.0.1 uaa-service uaa-service-host
```
- 路由配置
```
{
"uri": "/uaa/*",
"name": "uaa服务",
"methods": [
"GET",
"POST",
"PUT",
"DELETE",
"PATCH",
"HEAD",
"OPTIONS",
"CONNECT",
"TRACE"
],
"upstream_id": "376959049259811901",
"status": 1
}
```
- 上游服务
```
{
"timeout": {
"connect": 6,
"send": 6,
"read": 6
},
"type": "roundrobin",
"scheme": "http",
"discovery_type": "nacos",
"pass_host": "pass",
"name": "uaa2",
"service_name": "uaa-service",
"keepalive_pool": {
"idle_timeout": 60,
"requests": 1000,
"size": 320
}
}
```
- 调用服务
- 测试
```
localhost:apisix-2.10.0 xielongwang$ ping uaa-service-host
PING uaa-service (127.0.0.1): 56 data bytes
64 bytes from 127.0.0.1: icmp_seq=0 ttl=64 time=0.147 ms
64 bytes from 127.0.0.1: icmp_seq=1 ttl=64 time=0.249 ms
64 bytes from 127.0.0.1: icmp_seq=2 ttl=64 time=0.269 ms
64 bytes from 127.0.0.1: icmp_seq=3 ttl=64 time=0.109 ms
64 bytes from 127.0.0.1: icmp_seq=4 ttl=64 time=0.232 ms
64 bytes from 127.0.0.1: icmp_seq=5 ttl=64 time=0.258 ms
64 bytes from 127.0.0.1: icmp_seq=6 ttl=64 time=0.371 ms
64 bytes from 127.0.0.1: icmp_seq=7 ttl=64 time=0.239 ms
^C
--- uaa-service ping statistics ---
8 packets transmitted, 8 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 0.109/0.234/0.371/0.074 ms
localhost:apisix-2.10.0 xielongwang$ dig uaa-service-host
; <<>> DiG 9.10.6 <<>> uaa-service-host
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 55283
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;uaa-service-host. IN A
;; Query time: 86 msec
;; SERVER: 192.168.31.1#53(192.168.31.1)
;; WHEN: Thu Oct 14 20:54:55 CST 2021
;; MSG SIZE rcvd: 34
localhost:apisix-2.10.0 xielongwang$
```
- 日志打印
```
2021/10/14 20:49:04 [error] 71097#853898: *2184 [lua] balancer.lua:353: run(): failed to set server peer [uaa-service-host:30101] err: no host allowed while connecting to upstream, client: 127.0.0.1, server: _, request: "GET /uaa/test/hello HTTP/1.1", host: "127.0.0.1:9080"
```
- 相关 issues
https://github.com/openresty/lua-resty-core/issues/45
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[GitHub] [apisix] tokers commented on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
tokers commented on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-1002942634
> > Did you write the host and ip mappings in /etc/hosts beforehand?
>
> yeah, i think this is General Situation
>
> > I have a suggestion for enhancing nacos/eureka
> > determine whether the host is a domain or an ip
>
> 1. determine whether the host is a domain or an ip
> 2. if it's a domain, resolve the domain to an ip, overriding the host
>
> nice～ so. i modify the code resolver .parse_domain that can get ip from ' host to ip ' mapping in high priority then use dns_parse ?
It seems that this is a more generic demands that we can use the `/etc/hosts` to change the DNS resolving.
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[GitHub] [apisix] tzssangglass commented on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
tzssangglass commented on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-1003025709
> nice～ so. i modify the code resolver .parse_domain that can get ip from ' host to ip ' mapping in high priority then use dns_parse ?
just try
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[GitHub] [apisix] siaron edited a comment on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
siaron edited a comment on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-943328645
> use `dig uaa-service` and show the result, and proveide the environment info
```
apisix version (cmd: apisix version): 2.10.0
OS (cmd: uname -a): macos
OpenResty / Nginx version (cmd: nginx -V or openresty -V):
etcd version, if have (cmd: run curl http://127.0.0.1:9090/v1/server_info to get the info from server-info API):
```
{
"version": "2.10.0",
"hostname": "localhost",
"etcd_version": "3.5.0",
"up_time": 48,
"id": "c1141ba7-70c4-41a9-8d9d-c54c70ac2912",
"boot_time": 1634215727,
"last_report_time": 1634215727
}
```
apisix-dashboard version, if have:
the plugin runner version, if the issue is about a plugin runner (cmd: depended on the kind of runner):
luarocks version, if the issue is about installation (cmd: luarocks --version):
```
### 复现方式
- discovery config
```
discovery: # service discovery center
# dns:
# servers:
# - "127.0.0.1:8600" # use the real address of your dns server
nacos:
host: # it's possible to define multiple eureka hosts addresses of the same eureka cluster.
- "http://nacos:nacos@127.0.0.1:8848"
prefix: "/nacos/v1/"
fetch_interval: 3 # default 30 sec
weight: 10 # default 100
timeout:
connect: 2000 # default 2000 ms
send: 2000 # default 2000 ms
read: 5000 # default 5000 ms
```
- nacos注册服务为
- host 配置
```
localhost:apisix-2.10.0 xxx$ cat /etc/hosts
127.0.0.1 uaa-service uaa-service-host
```
- 路由配置
```
{
"uri": "/uaa/*",
"name": "uaa服务",
"methods": [
"GET",
"POST",
"PUT",
"DELETE",
"PATCH",
"HEAD",
"OPTIONS",
"CONNECT",
"TRACE"
],
"upstream_id": "376959049259811901",
"status": 1
}
```
- 上游服务
```
{
"timeout": {
"connect": 6,
"send": 6,
"read": 6
},
"type": "roundrobin",
"scheme": "http",
"discovery_type": "nacos",
"pass_host": "pass",
"name": "uaa2",
"service_name": "uaa-service",
"keepalive_pool": {
"idle_timeout": 60,
"requests": 1000,
"size": 320
}
}
```
- 调用服务
- 测试
```
localhost:apisix-2.10.0 xielongwang$ ping uaa-service-host
PING uaa-service (127.0.0.1): 56 data bytes
64 bytes from 127.0.0.1: icmp_seq=0 ttl=64 time=0.147 ms
64 bytes from 127.0.0.1: icmp_seq=1 ttl=64 time=0.249 ms
64 bytes from 127.0.0.1: icmp_seq=2 ttl=64 time=0.269 ms
64 bytes from 127.0.0.1: icmp_seq=3 ttl=64 time=0.109 ms
64 bytes from 127.0.0.1: icmp_seq=4 ttl=64 time=0.232 ms
64 bytes from 127.0.0.1: icmp_seq=5 ttl=64 time=0.258 ms
64 bytes from 127.0.0.1: icmp_seq=6 ttl=64 time=0.371 ms
64 bytes from 127.0.0.1: icmp_seq=7 ttl=64 time=0.239 ms
^C
--- uaa-service ping statistics ---
8 packets transmitted, 8 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 0.109/0.234/0.371/0.074 ms
localhost:apisix-2.10.0 xielongwang$ dig uaa-service-host
; <<>> DiG 9.10.6 <<>> uaa-service-host
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 55283
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;uaa-service-host. IN A
;; Query time: 86 msec
;; SERVER: 192.168.31.1#53(192.168.31.1)
;; WHEN: Thu Oct 14 20:54:55 CST 2021
;; MSG SIZE rcvd: 34
localhost:apisix-2.10.0 xielongwang$
```
- 日志打印
```
2021/10/14 20:49:04 [error] 71097#853898: *2184 [lua] balancer.lua:353: run(): failed to set server peer [uaa-service-host:30101] err: no host allowed while connecting to upstream, client: 127.0.0.1, server: _, request: "GET /uaa/test/hello HTTP/1.1", host: "127.0.0.1:9080"
```
- 相关 issues
- https://github.com/openresty/lua-resty-core/issues/45
- https://github.com/Kong/kong/issues/4786
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[GitHub] [apisix] siaron edited a comment on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
siaron edited a comment on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-943065196
> ### Issue description
> 从nacos上发现服务.
>
> * nacos上的服务ip为主机名`uaa-service`, 一个为ip
> * 当负载均衡运行时报 `failed to set server peer [uaa-service:20101] err: no host allowed while connecting to upstream`
>
> ### Environment
> * apisix version (cmd: `apisix version`):
> * OS (cmd: `uname -a`):
> * OpenResty / Nginx version (cmd: `nginx -V` or `openresty -V`):
> * etcd version, if have (cmd: run `curl http://127.0.0.1:9090/v1/server_info` to get the info from server-info API):
> * apisix-dashboard version, if have:
> * the plugin runner version, if the issue is about a plugin runner (cmd: depended on the kind of runner):
> * luarocks version, if the issue is about installation (cmd: `luarocks --version`):
如果使用上游类型是node, 那么主机名是没有问题的.
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[GitHub] [apisix] TenYearsIn commented on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
TenYearsIn commented on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-1002621402
i have resolved this issue related to eureka. how can i contributor?
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[GitHub] [apisix] tzssangglass edited a comment on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
tzssangglass edited a comment on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-1002866719
> I parse the file '/etc/hosts' with RegExp in the initial phase
Did you write the host and ip mappings in `/etc/hosts` beforehand?
> So I can get 'hosts to ip' mapping . then I modify eureka code
> that get ip (the code is line 132 in /apisix/discovery/eureka/init.lua ), use mapping relations to get ip in high priority , if not, I use the eureka service ip oneself .
I have a suggestion for enhancing nacos/eureka
1. determine whether the host is a domain or an ip
2. if it's a domain, resolve the domain to an ip, overriding the host
ref: https://github.com/apache/apisix/blob/719c5388143d73cc1424d0a03ec51584a60e243e/apisix/init.lua#L166-L188
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[GitHub] [apisix] nic-6443 commented on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
nic-6443 commented on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-943359455
At present, the APISIX nacos plug-in does not perform dns resolution on the back-end host it gets ([code location](https://github.com/apache/apisix/blob/master/apisix/discovery/nacos.lua#L303-L330)), so if the domain name is configured in nacos, it will be directly used as the parameter of `balancer.set_current_peer`, which will lead to `no host allowed While connecting to upstream` error.
The configuration node on the Dashboard page will first do dns query and then give `balancer.set_current_peer`, so it can work. [code location](https://github.com/apache/apisix/blob/master/apisix/init.lua#L166-L166)
So the error you encountered is in line with expectations, we can further consider whether service discovery should support configuration in the form of domain names.
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[GitHub] [apisix] TenYearsIn commented on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
TenYearsIn commented on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-1002837314
> > i have resolved this issue related to eureka. how can i contributor?
>
> Can you start with a brief chat about how it was solved?
I parse the file '/etc/hosts' with RegExp in the initial phase，So I can get 'hosts to ip' mapping . then I modify eureka code
that get ip (the code is line 132 in /apisix/discovery/eureka/init.lua ), use mapping relations to get ip in high priority , if not, I use the eureka service ip oneself .
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[GitHub] [apisix] TenYearsIn commented on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
TenYearsIn commented on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-1002875641
> Did you write the host and ip mappings in /etc/hosts beforehand?
yeah, i think this is General Situation
> I have a suggestion for enhancing nacos/eureka
determine whether the host is a domain or an ip
1. determine whether the host is a domain or an ip
2. if it's a domain, resolve the domain to an ip, overriding the host
nice～ so. i modify the code resolver .parse_domain that can get ip from ' host to ip ' mapping in high priority then use dns_parse ?
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[GitHub] [apisix] siaron commented on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
siaron commented on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-943155581
配置了host了. 能ping通的
```
localhost:~ xxx$ ping uaa-service
PING uaa-service (127.0.0.1): 56 data bytes
64 bytes from 127.0.0.1: icmp_seq=0 ttl=64 time=0.084 ms
64 bytes from 127.0.0.1: icmp_seq=1 ttl=64 time=0.293 ms
64 bytes from 127.0.0.1: icmp_seq=2 ttl=64 time=0.128 ms
^C
--- uaa-service ping statistics ---
3 packets transmitted, 3 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 0.084/0.168/0.293/0.090 ms
```
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[GitHub] [apisix] biubiue commented on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
biubiue commented on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-983343418
mark
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[GitHub] [apisix] tzssangglass commented on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
tzssangglass commented on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-1002866719
> I parse the file '/etc/hosts' with RegExp in the initial phase
Did you write the host and ip mappings in `/etc/hosts` beforehand?
> So I can get 'hosts to ip' mapping . then I modify eureka code
> that get ip (the code is line 132 in /apisix/discovery/eureka/init.lua ), use mapping relations to get ip in high priority , if not, I use the eureka service ip oneself .
1. determine whether the host is a domain or an ip
2. if it's a domain, resolve the domain to an ip, overriding the host
ref: https://github.com/apache/apisix/blob/719c5388143d73cc1424d0a03ec51584a60e243e/apisix/init.lua#L166-L188
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[GitHub] [apisix] siaron commented on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
siaron commented on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-943065196
> ### Issue description
> 从nacos上发现服务.
>
> * nacos上的服务ip为主机名`uaa-service`, 一个为ip
> * 当负载均衡运行时报 `failed to set server peer [uaa-service:20101] err: no host allowed while connecting to upstream`
>
> ### Environment
> * apisix version (cmd: `apisix version`):
> * OS (cmd: `uname -a`):
> * OpenResty / Nginx version (cmd: `nginx -V` or `openresty -V`):
> * etcd version, if have (cmd: run `curl http://127.0.0.1:9090/v1/server_info` to get the info from server-info API):
> * apisix-dashboard version, if have:
> * the plugin runner version, if the issue is about a plugin runner (cmd: depended on the kind of runner):
> * luarocks version, if the issue is about installation (cmd: `luarocks --version`):
这里如果是主机名是没有问题的.
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[GitHub] [apisix] TenYearsIn removed a comment on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
TenYearsIn removed a comment on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-1002837451
> > i have resolved this issue related to eureka. how can i contributor?
>
> Can you start with a brief chat about how it was solved?
I parse the file '/etc/hosts' with RegExp in the initial phase，So I can get 'hosts to ip' mapping . then I modify eureka code
that get ip (the code is line 132 in /apisix/discovery/eureka/init.lua ), use mapping relations to get ip in high priority , if not, I use the eureka service ip oneself .
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[GitHub] [apisix] drrrMikado commented on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
drrrMikado commented on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-1022053212
I get same error in custom plugin when rewrite upstream.
Upstream data:
```json
{
"id": "ups-sys1-abcd",
"create_time": 1643165083,
"update_time": 1643190928,
"nodes": [
{
"host": "example.com",
"port": 80,
"weight": 1
}
],
"type": "roundrobin",
"hash_on": "vars",
"scheme": "http",
"pass_host": "pass",
"name": "ups-sys1-abcd"
}
```
Route:
```json
{
"id": "1",
"create_time": 1643186095,
"update_time": 1643187397,
"uri": "/get",
"name": "",
"methods": [
"GET"
],
"host": "sys1.com",
"plugins": {
"custom-plugin": {}
},
"upstream": {
"nodes": [
{
"host": "httpbin.org",
"port": 80,
"weight": 1
}
],
"type": "roundrobin",
"hash_on": "vars",
"scheme": "http",
"pass_host": "pass"
},
"status": 1
}
```
Custom plugin code:
```lua
function _M.rewrite(conf, ctx)
-- rewrite by request header
-- get upstream info
local upstreams = core.config.fetch_created_obj("/upstreams")
if not upstreams then
return core.response.exit(502)
end
-- new upstream id by system name and tag
local upstream_id = "ups-sys1-abcd"
local ups_info = upstreams:get(tostring(upstream_id))
if not ups_info then
return
end
ups_info = ups_info.value
upstream.set(ctx, ups_info.name, ctx.conf_version, ups_info)
end
```
error log:
```
apisix | 2022/01/26 09:11:48 [error] 48#48: *456684 [lua] balancer.lua:353: run(): failed to set server peer [example.com:80] err: no host allowed while connecting to upstream, client: 172.18.0.1, server: _, request: "GET /get HTTP/1.1", host: "sys1.com"
```
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[GitHub] [apisix] drrrMikado commented on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
drrrMikado commented on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-1022895719
> hi @drrrMikado, the cause and the solution of this problem are provided above. Since it is your own plugin, there is nothing I can do about it.
Ok, Thanks.
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[GitHub] [apisix] shuaijinchao commented on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
shuaijinchao commented on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-943100544
Whether the hostname of `uaa-service` has been configured with DNS resolution on the APISIX node, you can test it on the APISIX node `ping uaa-service`
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[GitHub] [apisix] siaron commented on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
siaron commented on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-943328645
> use `dig uaa-service` and show the result, and proveide the environment info
```
apisix version (cmd: apisix version): 2.10.0
OS (cmd: uname -a): macos
OpenResty / Nginx version (cmd: nginx -V or openresty -V):
etcd version, if have (cmd: run curl http://127.0.0.1:9090/v1/server_info to get the info from server-info API):
```
{
"version": "2.10.0",
"hostname": "localhost",
"etcd_version": "3.5.0",
"up_time": 48,
"id": "c1141ba7-70c4-41a9-8d9d-c54c70ac2912",
"boot_time": 1634215727,
"last_report_time": 1634215727
}
```
apisix-dashboard version, if have:
the plugin runner version, if the issue is about a plugin runner (cmd: depended on the kind of runner):
luarocks version, if the issue is about installation (cmd: luarocks --version):
```
### 复现方式
- discovery config
```
discovery: # service discovery center
# dns:
# servers:
# - "127.0.0.1:8600" # use the real address of your dns server
nacos:
host: # it's possible to define multiple eureka hosts addresses of the same eureka cluster.
- "http://nacos:nacos@127.0.0.1:8848"
prefix: "/nacos/v1/"
fetch_interval: 3 # default 30 sec
weight: 10 # default 100
timeout:
connect: 2000 # default 2000 ms
send: 2000 # default 2000 ms
read: 5000 # default 5000 ms
```
- nacos注册服务为
- host 配置
```
localhost:apisix-2.10.0 xxx$ cat /etc/hosts
127.0.0.1 uaa-service uaa-service-host
```
- 路由配置
```
{
"uri": "/uaa/*",
"name": "uaa服务",
"methods": [
"GET",
"POST",
"PUT",
"DELETE",
"PATCH",
"HEAD",
"OPTIONS",
"CONNECT",
"TRACE"
],
"upstream_id": "376959049259811901",
"status": 1
}
```
- 上游服务
```
{
"timeout": {
"connect": 6,
"send": 6,
"read": 6
},
"type": "roundrobin",
"scheme": "http",
"discovery_type": "nacos",
"pass_host": "pass",
"name": "uaa2",
"service_name": "uaa-service",
"keepalive_pool": {
"idle_timeout": 60,
"requests": 1000,
"size": 320
}
}
```
- 调用服务
- 测试
```
localhost:apisix-2.10.0 xielongwang$ ping uaa-service-host
PING uaa-service (127.0.0.1): 56 data bytes
64 bytes from 127.0.0.1: icmp_seq=0 ttl=64 time=0.147 ms
64 bytes from 127.0.0.1: icmp_seq=1 ttl=64 time=0.249 ms
64 bytes from 127.0.0.1: icmp_seq=2 ttl=64 time=0.269 ms
64 bytes from 127.0.0.1: icmp_seq=3 ttl=64 time=0.109 ms
64 bytes from 127.0.0.1: icmp_seq=4 ttl=64 time=0.232 ms
64 bytes from 127.0.0.1: icmp_seq=5 ttl=64 time=0.258 ms
64 bytes from 127.0.0.1: icmp_seq=6 ttl=64 time=0.371 ms
64 bytes from 127.0.0.1: icmp_seq=7 ttl=64 time=0.239 ms
^C
--- uaa-service ping statistics ---
8 packets transmitted, 8 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 0.109/0.234/0.371/0.074 ms
localhost:apisix-2.10.0 xielongwang$ dig uaa-service-host
; <<>> DiG 9.10.6 <<>> uaa-service-host
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 55283
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;uaa-service-host. IN A
;; Query time: 86 msec
;; SERVER: 192.168.31.1#53(192.168.31.1)
;; WHEN: Thu Oct 14 20:54:55 CST 2021
;; MSG SIZE rcvd: 34
localhost:apisix-2.10.0 xielongwang$
```
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[GitHub] [apisix] TenYearsIn commented on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
TenYearsIn commented on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-1002837451
> > i have resolved this issue related to eureka. how can i contributor?
>
> Can you start with a brief chat about how it was solved?
I parse the file '/etc/hosts' with RegExp in the initial phase，So I can get 'hosts to ip' mapping . then I modify eureka code
that get ip (the code is line 132 in /apisix/discovery/eureka/init.lua ), use mapping relations to get ip in high priority , if not, I use the eureka service ip oneself .
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[GitHub] [apisix] tzssangglass commented on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
tzssangglass commented on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-943236672
use `dig uaa-service` and show the result, and proveide the environment info
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[GitHub] [apisix] biubiue edited a comment on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
biubiue edited a comment on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-983343418
mark,same problem, register domain as nacos ip.
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[GitHub] [apisix] tzssangglass commented on issue #5233: request help: no host allowed while connecting to upstream
Posted by GitBox <gi...@apache.org>.
tzssangglass commented on issue #5233:
URL: https://github.com/apache/apisix/issues/5233#issuecomment-1003025506
> It seems that this is a more generic demands that we can use the `/etc/hosts` to change the DNS resolving.
Our dns resolution process also takes resolution information from /etc/hosts. So the key point of my suggestion is to use the existing dns resolution method, not just /etc/hosts, to resolve the domain name.
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