Merge pull request #3172 from danwinship/emulate-single-stack-error

Give a proper error when misusing OPENSHIFT_INSTALL_AZURE_EMULATE_SINGLESTACK_IPV6
openshift · Jun 4, 2020 · 05dc9d6 · 05dc9d6
2 parents 325ab46 + 4a9769f
commit 05dc9d6
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/pkg/types/validation/installconfig.go b/pkg/types/validation/installconfig.go
@@ -206,7 +206,12 @@ func validateNetworkingIPVersion(n *types.Networking, p *types.Platform) field.E
 		switch {
 		case p.BareMetal != nil:
 		case p.None != nil:
+
 		case p.Azure != nil && os.Getenv("OPENSHIFT_INSTALL_AZURE_EMULATE_SINGLESTACK_IPV6") == "true":
+			if !presence["machineNetwork"].IPv4 || !presence["machineNetwork"].IPv6 {
+				allErrs = append(allErrs, field.Invalid(field.NewPath("networking"), "IPv6", "OPENSHIFT_INSTALL_AZURE_EMULATE_SINGLESTACK_IPV6 requires both IPv4 and IPv6 machineNetwork values"))
+			}
+
 		default:
 			allErrs = append(allErrs, field.Invalid(field.NewPath("networking"), "IPv6", "single-stack IPv6 is not supported for this platform"))
 		}