fix: nil pointer dereference

azurerm/internal/services/kusto/kusto_database_resource.go

@@ -94,9 +94,11 @@ func resourceArmKustoDatabaseCreateUpdate(d *schema.ResourceData, meta interface
 			}
 		}
 
-		database, _ := resp.Value.AsDatabase()
-		if database.ID != nil && *database.ID != "" {
-			return tf.ImportAsExistsError("azurerm_kusto_database", *database.ID)
+		if resp.Value != nil {
+			database, _ := resp.Value.AsDatabase()
+			if database.ID != nil && *database.ID != "" {
+				return tf.ImportAsExistsError("azurerm_kusto_database", *database.ID)
+			}
 		}
 	}
 
@@ -112,21 +114,21 @@ func resourceArmKustoDatabaseCreateUpdate(d *schema.ResourceData, meta interface
 
 	future, err := client.CreateOrUpdate(ctx, resourceGroup, clusterName, name, kustoDatabase)
 	if err != nil {
-		return fmt.Errorf("Error creating or updating Kusto Cluster %q (Resource Group %q, Cluster %q): %+v", name, resourceGroup, clusterName, err)
+		return fmt.Errorf("Error creating or updating Kusto Database %q (Resource Group %q, Cluster %q): %+v", name, resourceGroup, clusterName, err)
 	}
 
 	if err = future.WaitForCompletionRef(ctx, client.Client); err != nil {
-		return fmt.Errorf("Error waiting for completion of Kusto Cluster %q (Resource Group %q, Cluster %q): %+v", name, resourceGroup, clusterName, err)
+		return fmt.Errorf("Error waiting for completion of Kusto Database %q (Resource Group %q, Cluster %q): %+v", name, resourceGroup, clusterName, err)
 	}
 
-	resp, getDetailsErr := client.Get(ctx, resourceGroup, clusterName, name)
-	if getDetailsErr != nil {
-		return fmt.Errorf("Error retrieving Kusto Cluster %q (Resource Group %q, Cluster %q): %+v", name, resourceGroup, clusterName, err)
+	resp, err := client.Get(ctx, resourceGroup, clusterName, name)
+	if err != nil {
+		return fmt.Errorf("Error retrieving Kusto Database %q (Resource Group %q, Cluster %q): %+v", name, resourceGroup, clusterName, err)
 	}
 
 	database, _ := resp.Value.AsDatabase()
 	if database.ID == nil {
-		return fmt.Errorf("Cannot read ID for Kusto Cluster %q (Resource Group %q, Cluster %q)", name, resourceGroup, clusterName)
+		return fmt.Errorf("Cannot read ID for Kusto Database %q (Resource Group %q, Cluster %q)", name, resourceGroup, clusterName)
 	}
 
 	d.SetId(*database.ID)
@@ -144,10 +146,10 @@ func resourceArmKustoDatabaseRead(d *schema.ResourceData, meta interface{}) erro
 		return err
 	}
 
-	databaseResponse, err := client.Get(ctx, id.ResourceGroup, id.Cluster, id.Name)
+	databaseModel, err := client.Get(ctx, id.ResourceGroup, id.Cluster, id.Name)
 
 	if err != nil {
-		if utils.ResponseWasNotFound(databaseResponse.Response) {
+		if utils.ResponseWasNotFound(databaseModel.Response) {
 			d.SetId("")
 			return nil
 		}
@@ -158,11 +160,11 @@ func resourceArmKustoDatabaseRead(d *schema.ResourceData, meta interface{}) erro
 	d.Set("resource_group_name", id.ResourceGroup)
 	d.Set("cluster_name", id.Cluster)
 
-	if location := databaseResponse.Location; location != nil {
+	if location := databaseModel.Location; location != nil {
 		d.Set("location", azure.NormalizeLocation(location))
 	}
 
-	database, _ := databaseResponse.Value.AsReadWriteDatabase()
+	database, _ := databaseModel.Value.AsReadWriteDatabase()
 	if props := database.ReadWriteDatabaseProperties; props != nil {
 		d.Set("hot_cache_period", props.HotCachePeriod)
 		d.Set("soft_delete_period", props.SoftDeletePeriod)