Add support for GKE Accelerator Network Profile

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

@@ -206,6 +206,7 @@ func ResourceContainerNodePool() *schema.Resource {
 		CustomizeDiff: customdiff.All(
 			tpgresource.DefaultProviderProject,
 			resourceNodeConfigEmptyGuestAccelerator,
+			nodePoolAcceleratorNetworkProfileCustomizeDiff,
 		),
 
 		UseJSONNumber: true,
@@ -522,6 +523,14 @@ var schemaNodePool = map[string]*schema.Schema{
 		Description: `Networking configuration for this NodePool. If specified, it overrides the cluster-level defaults.`,
 		Elem: &schema.Resource{
 			Schema: map[string]*schema.Schema{
+			{{ if ne $.TargetVersionName `ga` }}
+				"accelerator_network_profile": {
+					Type:        schema.TypeString,
+					Description: "The accelerator network profile to use for this node pool.",
+					Optional:    true,
+					ForceNew: 	 true,
+				},
+			{{- end }}
 				"create_pod_range": {
 					Type:         schema.TypeBool,
 					Optional:     true,
@@ -552,20 +561,23 @@ var schemaNodePool = map[string]*schema.Schema{
 				"additional_node_network_configs": {
 					Type:         schema.TypeList,
 					Optional:     true,
-					ForceNew:     true,
+					Computed: 	  true,
+					ForceNew:	  true,
 					Description:  `We specify the additional node networks for this node pool using this list. Each node network corresponds to an additional interface`,
 					Elem: &schema.Resource{
 						Schema: map[string]*schema.Schema{
 							"network": {
 								Type:         schema.TypeString,
 								Optional:     true,
-								ForceNew:     true,
+								Computed: 	  true,
+								ForceNew:	  true,
 								Description:  `Name of the VPC where the additional interface belongs.`,
 							},
 							"subnetwork": {
 								Type:         schema.TypeString,
 								Optional:     true,
-								ForceNew:     true,
+								Computed: 	  true,
+								ForceNew:	  true,
 								Description:  `Name of the subnetwork where the additional interface belongs.`,
 							},
 						},
@@ -639,7 +651,6 @@ var schemaNodePool = map[string]*schema.Schema{
 			},
 		},
 	},
-
 }
 
 type NodePoolInformation struct {
@@ -1438,6 +1449,9 @@ func flattenNodeNetworkConfig(c *container.NodeNetworkConfig, d *schema.Resource
 			"additional_node_network_configs": flattenAdditionalNodeNetworkConfig(c.AdditionalNodeNetworkConfigs),
 			"additional_pod_network_configs":  flattenAdditionalPodNetworkConfig(c.AdditionalPodNetworkConfigs),
 			"subnetwork":                      c.Subnetwork,
+			{{ if ne $.TargetVersionName `ga` }}
+			"accelerator_network_profile": 	   c.AcceleratorNetworkProfile,
+			{{- end }}
 		})
 	}
 	return result
@@ -1552,7 +1566,11 @@ func expandNodeNetworkConfig(v interface{}) *container.NodeNetworkConfig {
 			nnc.NetworkPerformanceConfig.TotalEgressBandwidthTier = total_egress_bandwidth_tier.(string)
 		}
 	}
-
+	{{ if ne $.TargetVersionName `ga` }}
+	if v, ok := networkNodeConfig["accelerator_network_profile"]; ok {
+		nnc.AcceleratorNetworkProfile = v.(string)
+	}
+	{{- end }}
 	return nnc
 }
 
@@ -1917,3 +1935,97 @@ func retryWhileIncompatibleOperation(timeout time.Duration, lockKey string, f fu
 		return nil
 	})
 }
+
+func nodePoolAcceleratorNetworkProfileCustomizeDiff(_ context.Context, diff *schema.ResourceDiff, meta any) error {
+	log.Printf("[DEBUG] ANP CustomizeDiff: Running...")
+
+	// 1. SKIP ON CREATE
+	if diff.Id() == "" {
+		log.Printf("[DEBUG] ANP CustomizeDiff: SKIP - Resource is being created (no ID).")
+		return nil
+	}
+
+	// 2. DETECT USER CONFIG
+	userHasAdditionalConfigs := false
+	rawConfig := diff.GetRawConfig()
+	rawNetworkConfig := rawConfig.GetAttr("network_config")
+
+	if !rawNetworkConfig.IsNull() {
+		if rawNetworkConfig.Type().IsCollectionType() {
+			it := rawNetworkConfig.ElementIterator()
+			for it.Next() {
+				_, val := it.Element()
+				userConfig := val.GetAttr("additional_node_network_configs")
+				if !userConfig.IsNull() && userConfig.LengthInt() > 0 {
+					userHasAdditionalConfigs = true
+					break
+				}
+			}
+		}
+	}
+
+	// 3. LOGIC CHECK
+	shouldClear := false
+
+	oldProfile, newProfile := diff.GetChange("network_config.0.accelerator_network_profile")
+	anpIsActive := newProfile.(string) != ""
+	anpIsChanging := oldProfile.(string) != newProfile.(string)
+
+	if !userHasAdditionalConfigs {
+		if anpIsActive && anpIsChanging {
+			shouldClear = true
+		}
+		if !anpIsActive {
+			shouldClear = true
+		}
+	}
+
+	// Check the OLD state to avoid "Plan Not Empty" on defaults
+	currentCount := 0
+	if c, ok := diff.Get("network_config.0.additional_node_network_configs.#").(int); ok {
+		currentCount = c
+	}
+
+	log.Printf("[DEBUG] ANP CustomizeDiff: ANALYSIS: ID=%s, UserHasConfig=%v, ANP=%v, CurrentCount=%d",
+		diff.Id(), userHasAdditionalConfigs, anpIsActive, currentCount)
+
+	if shouldClear {
+		if currentCount == 0 {
+			log.Printf("[DEBUG] ANP CustomizeDiff: ACTION SKIPPED - Config is already empty (Count is 0). Avoiding drift.")
+			shouldClear = false
+		} else {
+			log.Printf("[DEBUG] ANP CustomizeDiff: ACTION REQUIRED - Sticky value detected (Count is %d). Clearing it.", currentCount)
+		}
+	} else {
+		log.Printf("[DEBUG] ANP CustomizeDiff: NO ACTION - Conditions not met.")
+	}
+
+	// 4. EXECUTE THE FIX
+	if shouldClear {
+		log.Printf("[DEBUG] ANP CustomizeDiff: EXECUTING FIX - Rewriting network_config block...")
+		var newConfigMap map[string]interface{}
+		existingConfigs := diff.Get("network_config").([]interface{})
+
+		if len(existingConfigs) > 0 && existingConfigs[0] != nil {
+			currentMap := existingConfigs[0].(map[string]interface{})
+			newConfigMap = make(map[string]interface{})
+			for k, v := range currentMap {
+				newConfigMap[k] = v
+			}
+		} else {
+			newConfigMap = make(map[string]interface{})
+		}
+
+		newConfigMap["additional_node_network_configs"] = []interface{}{}
+		if !anpIsActive {
+			newConfigMap["accelerator_network_profile"] = ""
+		}
+
+		err := diff.SetNew("network_config", []interface{}{newConfigMap})
+		if err != nil {
+			return fmt.Errorf("Error updating network_config: %s", err)
+		}
+	}
+
+	return nil
+}

mmv1/third_party/terraform/services/container/resource_container_node_pool_meta.yaml.tmpl

@@ -26,6 +26,9 @@ fields:
   - api_field: 'name'
   - field: 'name_prefix'
     provider_only: true
+  {{ if ne $.TargetVersionName `ga` }}
+  - field: 'network_config.accelerator_network_profile'
+  {{- end }}
   - api_field: 'networkConfig.additionalNodeNetworkConfigs.network'
   - api_field: 'networkConfig.additionalNodeNetworkConfigs.subnetwork'
   - field: 'network_config.additional_pod_network_configs.max_pods_per_node'