WIP: Add Kubernetes 1.22 to CI (Debug status subresource admission errors)

.github/workflows/kind-e2e.yaml

@@ -18,9 +18,10 @@ jobs:
       fail-fast: false # Keep running if one leg fails.
       matrix:
         k8s-version:
-        - v1.19.11
-        - v1.20.7
-        - v1.21.1
+        # - v1.19.11
+        # - v1.20.7
+        # - v1.21.1
+        - v1.22.0
 
         test-suite:
         - ./test/conformance/runtime
@@ -47,6 +48,11 @@ jobs:
           kind-image-sha: sha256:69860bda5563ac81e3c0057d654b5253219618a22ec3a346306239bba8cfa1a6
           kingress: kourier
           cluster-suffix: c${{ github.run_id }}.local
+        - k8s-version: v1.22.0
+          kind-version: v0.11.1
+          kind-image-sha: sha256:f97edf7f7ed53c57762b24f90a34fad101386c5bd4d93baeb45449557148c717
+          kingress: kourier
+          cluster-suffix: c${{ github.run_id }}.local
 
           # The tests in api/v1alpha1 require the --enable-alpha flag to be set,
           # and alpha components to be deployed.

vendor/knative.dev/pkg/webhook/resourcesemantics/defaulting/defaulting.go

@@ -246,7 +246,7 @@ func (ac *reconciler) mutate(ctx context.Context, req *admissionv1.AdmissionRequ
 			newDecoder.DisallowUnknownFields()
 		}
 		if err := newDecoder.Decode(&newObj); err != nil {
-			return nil, fmt.Errorf("cannot decode incoming new object: %w", err)
+			return nil, fmt.Errorf("cannot decode incoming new object: %w\noriginal:\n%#v", err, string(newBytes))
 		}
 	}
 	if len(oldBytes) != 0 {

vendor/knative.dev/pkg/webhook/resourcesemantics/validation/validation_admit.go

@@ -115,7 +115,7 @@ func (ac *reconciler) decodeRequestAndPrepareContext(
 			newDecoder.DisallowUnknownFields()
 		}
 		if err := newDecoder.Decode(&newObj); err != nil {
-			return ctx, nil, fmt.Errorf("cannot decode incoming new object: %w", err)
+			return ctx, nil, fmt.Errorf("cannot decode incoming new object: %w\noriginal:\n%#v", err, newObj)
 		}
 	}