Merge pull request #38090 from xingzhou/kube-37654

Automatic merge from submit-queue (batch tested with PRs 38920, 38090)

Improve error message for name/label validation.

Instead of just providing regex in name/label validation error output, we need to add the naming rules of the name/label, which is more end-user readable.

Fixed #37654

pkg/apis/extensions/validation/validation_test.go

@@ -750,7 +750,7 @@ func TestValidateDeployment(t *testing.T) {
 			MaxSurge: intstr.FromString("20Percent"),
 		},
 	}
-	errorCases["must match the regex"] = invalidMaxSurgeDeployment
+	errorCases["a valid percent string must be"] = invalidMaxSurgeDeployment
 
 	// MaxSurge and MaxUnavailable cannot both be zero.
 	invalidRollingUpdateDeployment := validDeployment()