[GitHub] [apisix] ameryhan opened a new issue #6005: bug: getkey获取etcd里的某个目录失败

[GitBox <gi...@apache.org>]

ameryhan opened a new issue #6005:
URL: https://github.com/apache/apisix/issues/6005


   ### Issue description
   
   getkey获取etcd里的某个目录失败
   
   尝试过的方法1
     local res, err = core.etcd:getkey('/config_path')
    报错信息如下
   ![image](https://user-images.githubusercontent.com/2375525/148041696-0583dee7-b927-4851-99eb-0cc4c75c08cb.png)
   
   尝试过的方法2
     local res, err = core.config:getkey('/config_path')
   返回的数据为空。
   
   ### Environment
   
   - apisix version (cmd: `apisix version`): 2.10.2
   - 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] The-White-Lion commented on issue #6005: bug: getkey获取etcd里的某个目录失败

[GitBox <gi...@apache.org>]

The-White-Lion commented on issue #6005:
URL: https://github.com/apache/apisix/issues/6005#issuecomment-1004771933


   It's not a bug.
   In the first method you tried, a non-existent function `core.etcd:getkey`  was used. You can read the [source code ](https://github.com/apache/apisix/blob/master/apisix/core/etcd.lua) to see the supported functinos. In this case, You can use function `core.etcd.get(key, true)` ( use dot instaed of colons) to get data.
   In the second method you tried, before you call `core.confing:getkey()` function, you shuold call the function `core.config.new()`. 
   Otherwise, you will exit in here https://github.com/apache/apisix/blob/d3bb8f9035b14b35e2d2eccd0959ed00e8fe88e3/apisix/core/config_etcd.lua#L488.
   
   Note: Make sure that what is stored under this key is not an object.


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