Exception request for CCM webhook framework

[n...@amazon.com]

As discussed in today's SIG Cloud Provider meeting, I'm creating an exception request for the CCM webhook framework:

• Enhancement name: Add webhook hosting capability to CCM framework.
  
• Enhancement status (alpha/beta/stable): Moving to alpha.
  
• SIG: Cloud Provider
  
• k/enhancements repo issue #: KEP-2699
• https://github.com/kubernetes/kubernetes/pull/108838
  
• PR #’s: https://github.com/kubernetes/kubernetes/pull/108838
  
• Additional time needed (in days): 7
  
• Reason this enhancement is critical for this milestone: It affects the overall timeline of cloud provider migration.
  
• Risks from adding code late: (to k8s stability, testing, etc.) There is a risk of introducing bugs to the cloud controller manager framework, this is mitigated with putting the change behind a feature gate.
  
• Risks from cutting enhancement: (partial implementation, critical customer usecase, etc.) This will delay the cloud provider migration timeline by a release.  

Nick