Optimization for `CreateOrUpdateConfigMap`

[DanielZhangQD]

Feature Request

Is your feature request related to a problem? Please describe:

Describe the feature you'd like:

During the configmap sync, we do not check if it exists or not but call the CreateOrUpdateConfigMap function directly, which will call API to the kube-apiserver directly during each sync, increase the load of kube-apiserver, and should be optimized. Describe alternatives you've considered:

Teachability, Documentation, Adoption, Migration Strategy:

[BinChenn]

/assign

[mianhk]

/assign