a11enhuang opened a new issue, #111:
URL: https://github.com/apache/apisix-go-plugin-runner/issues/111
在`apisix-go-plugin-runner`中使用了`client-go`作为`K8S`客户端，尝试从`K8S`的`ConfigMaps`中获取配置数据，用来初始化插件。
`APISIX-SERVER`部署在`GKE`中，并且配置文件中也指定了执行Go插件
```
ext-plugin:
cmd: ["/plugins/go-runner", "run"]
```
但是在集群中启动时无法获取`K8S`的配置信息。
初始化代码如下:
```go
config, err := rest.InClusterConfig()
```
```text
2022/10/28 02:51:23 [warn] 65#65: *186 [lua] init.lua:913: W1028
02:51:23.682992 1084 client_config.go:617] Neither --kubeconfig nor --master
was specified. Using the inClusterConfig. This might not work.
--
Fri, Oct 28 2022 10:51:23 am | , context: ngx.timer
Fri, Oct 28 2022 10:51:23 am | 2022/10/28 02:51:23 [warn] 65#65: *186 [lua]
init.lua:913: W1028 02:51:23.683029 1084 client_config.go:622] error creating
inClusterConfig, falling back to default config: unable to load in-cluster
configuration, KUBERNETES_SERVICE_HOST and KUBERNETES_SERVICE_PORT must be
defined
Fri, Oct 28 2022 10:51:23 am | , context: ngx.timer
Fri, Oct 28 2022 10:51:23 am | 2022/10/28 02:51:23 [warn] 65#65: *186 [lua]
init.lua:913: panic: invalid configuration: no configuration has been provided,
try setting KUBERNETES_MASTER environment variable
```
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