Peeknut

/assign @Peeknut

The controller is mainly divided into three parts: (1) prepare: resources are needed to prepare pool-coordinator and yurthub, including certificate for pool-coordinator to access kubelet, client certificate and permissions for...

（1） **It's true that Yurthub will also be deployed on cloud nodes during conversion.** Because Yurthub adds nodepool-related functions, cloud nodes are also needed. However, the cloud yrthub runs in...

Yes, maybe we should update the doc. > Besides that, when try to manually patch the cluster. the Yurthub throw the follow error > 2021-12-14T08:28:47.864213804Z stderr F I1214 08:28:47.864029 1...

@yixingjia For the problem of yurtctl convert/revert, preflight check will be added to yurtctl convert/revert recently to reduce the probability of conversion failure.