I am not sure whether user will use domain and IP together like:
```
"nodes": {
{"host": "test.consul.service", "weight": 1, "selector": "all"},
{"host": "1.1.1.1", "weight": 1}
}
```
Thanks,
Ming Wen, Apache APISIX PMC Chair
Twitter: _WenMing
Zexuan Luo <[email protected]> 于2021年2月4日周四 下午3:19写道：
> When resolving domain, currently we take one of the DNS record randomly.
> When we want to do service discovery via DNS, sometimes we hope the domain
> resolving will return all the records. For example, with:
>
> ```
> "nodes": {
> "test.consul.service": 1
> }
> ```
>
> We may want to get all IPs instead of a random one.
>
> So my purpose is to provide a per-node dns selector to control the
> behavior.
>
> For example,
>
> ```
> "nodes": {
> {"host": "test.consul.service", "weight": 1, "selector": "random"}
> }
> ```
>
> is equal to previous configuration.
>
> While
>
> ```
> "nodes": {
> {"host": "test.consul.service", "weight": 1, "selector": "all"},
> {"host": "1.1.1.1", "weight": 1}
> }
> ```
>
> with `test.consul.service` be resolved as `1.1.1.2` and `1.1.1.3` will get
> this result:
>
> ```
> "nodes": {
> {"host": "1.1.1.1", "weight": 2},
> {"host": "1.1.1.2", "weight": 1},
> {"host": "1.1.1.3", "weight": 1},
> }
> ```
>
> Note that all the IPs from `test.consul.service` share the same weight.
> And the selector doesn't affect SRV record, which is a difference story.
>
