Handle bad enum values returned from the GKE API for stack_type (Go…

…ogleCloudPlatform#7627)
ericayyliu · Jul 26, 2023 · 5b8ac5c · 5b8ac5c
1 parent 9edcb03
commit 5b8ac5c
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/mmv1/third_party/terraform/resources/resource_container_cluster.go.erb b/mmv1/third_party/terraform/resources/resource_container_cluster.go.erb
@@ -5152,6 +5152,13 @@ func flattenIPAllocationPolicy(c *container.Cluster, d *schema.ResourceData, con
 
 	p := c.IpAllocationPolicy
 
+	// handle older clusters that return JSON null 
+	// corresponding to "STACK_TYPE_UNSPECIFIED" due to GKE declining to backfill
+	// equivalent to default_if_empty
+	if p.StackType == "" {
+		p.StackType = "IPV4"
+	}
+
 	return []map[string]interface{}{
 		{
 			"cluster_ipv4_cidr_block":       p.ClusterIpv4CidrBlock,