add conformance to rubric, graduation criteria, actually flip kep.yaml

Author: lauralorenz

keps/sig-multicluster/2149-clusterid/README.md

@@ -500,6 +500,7 @@ _That is the question._
 | Deployment            | Must be installed by the cluster lifecycle management, or as a manual setup step | In every cluster over target milestone            |
 | Schema validation     | Can use OpenAPI v3 validation                                                    | Can use the built-in Kubernetes schema validation |
 | Blockers     | Making a sigs-repo                                                    | Official API review |
+| Conformance testing     | Not possible now, and no easy path forward                                                   | Standard |
 
 `[/UNRESOLVED]`
 
@@ -529,6 +530,11 @@ when drafting this test plan.
 #### Alpha -> Beta Graduation
 
 - Determine if an `id.k8s.io ClusterClaim` be strictly a valid DNS label, or is allowed to be a subdomain.
+- To CRD or not to CRD (see section above)
+
+#### Beta -> GA criteria
+
+- At least one headless implementation using clusterID for MCS DNS
 
 <!--
 **Note:** *Not required until targeted at a release.*

keps/sig-multicluster/2149-clusterid/kep.yaml

@@ -7,7 +7,7 @@ owning-sig: sig-multicluster
 #participating-sigs:
 #  - sig-aaa
 #  - sig-bbb
-status: provisional
+status: implementable
 creation-date: 2020-11-13
 reviewers:
   - "@mikedanese"