Add membership_type field to cluster/fleet

mmv1/third_party/terraform/services/container/resource_container_cluster.go.tmpl

@@ -2450,6 +2450,13 @@ func ResourceContainerCluster() *schema.Resource {
 							Computed:         true,
 							Description:      `Location of the fleet membership, for example "us-central1".`,
 						},
+						"membership_type": {
+							Type:         schema.TypeString,
+							Optional:     true,
+							ValidateFunc: validation.StringInSlice([]string{"MEMBERSHIP_TYPE_UNSPECIFIED", "LIGHTWEIGHT"}, false),
+							Description:  `The type of the cluster's fleet membership.`,
+							DiffSuppressFunc: tpgresource.EmptyOrDefaultStringSuppress("MEMBERSHIP_TYPE_UNSPECIFIED"),
+						},
 					},
 				},
 			},
@@ -6570,6 +6577,7 @@ func expandFleet(configured interface{}) *container.Fleet {
 	config := l[0].(map[string]interface{})
 	return &container.Fleet{
 		Project: config["project"].(string),
+		MembershipType: config["membership_type"].(string),
 	}
 }
 
@@ -7680,6 +7688,7 @@ func flattenFleet(c *container.Fleet) []map[string]interface{} {
 			"membership_id": membership_id,
 			"membership_location": membership_location,
 			"pre_registered": c.PreRegistered,
+			"membership_type": c.MembershipType,
 		},
 	}
 }

mmv1/third_party/terraform/services/container/resource_container_cluster_test.go.tmpl

@@ -5914,6 +5914,15 @@ func TestAccContainerCluster_withFleetConfig(t *testing.T) {
 				ImportStateVerify: true,
 				ImportStateVerifyIgnore: []string{"deletion_protection"},
 			},
+			{
+				Config: testAccContainerCluster_withFleetConfigLightweightMembership(clusterName, projectID, networkName, subnetworkName),
+			},
+			{
+				ResourceName:      "google_container_cluster.primary",
+				ImportState:       true,
+				ImportStateVerify: true,
+				ImportStateVerifyIgnore: []string{"deletion_protection"},
+			},
 		},
 	})
 }
@@ -6040,6 +6049,26 @@ resource "google_container_cluster" "primary" {
 `, resource_name, networkName, subnetworkName)
 }
 
+func testAccContainerCluster_withFleetConfigLightweightMembership(name, projectID, networkName, subnetworkName string) string {
+	return fmt.Sprintf(`
+resource "google_container_cluster" "primary" {
+  name               = "%s"
+  location           = "us-central1-a"
+  initial_node_count = 1
+
+  fleet {
+    project = "%s"
+	membership_type = "LIGHTWEIGHT"
+  }
+
+  network    = "%s"
+  subnetwork = "%s"
+
+  deletion_protection = false
+}
+`, name, projectID, networkName, subnetworkName)
+}
+
 func testAccContainerCluster_withIncompatibleMasterVersionNodeVersion(name, networkName, subnetworkName string) string {
 	return fmt.Sprintf(`
 resource "google_container_cluster" "gke_cluster" {

mmv1/third_party/terraform/website/docs/r/container_cluster.html.markdown

@@ -1662,6 +1662,8 @@ linux_node_config {
 
 * `project` - (Optional) The name of the Fleet host project where this cluster will be registered.
 
+* `membership_type` - (Optional) Sets the membership type of the cluster.  Available options are `LIGHTWEIGHT` and `MEMBERSHIP_TYPE_UNSPECIFIED`.
+
 <a name="nested_workload_alts_config"></a>The `workload_alts_config` block supports:
 
 * `enable_alts` - (Required) Whether the alts handshaker should be enabled or not for direct-path. Requires Workload Identity ([workloadPool]((#nested_workload_identity_config)) must be non-empty).