add route_table_association

docs/resources/route_table_association.md

@@ -0,0 +1,45 @@
+# Resource: ncloud_route_table_association
+
+Provide a resource to create association between route table and a subnet.
+
+## Example Usage
+
+### Basic Usage
+
+```hcl
+resource "ncloud_vpc" "vpc" {
+	ipv4_cidr_block = "10.3.0.0/16"
+}
+
+resource "ncloud_subnet" "subnet" {
+	vpc_no             = ncloud_vpc.vpc.id
+	subnet             = "10.3.1.0/24"
+	zone               = "KR-2"
+	network_acl_no     = ncloud_vpc.vpc.default_network_acl_no
+	subnet_type        = "PUBLIC"
+}
+
+resource "ncloud_route_table" "route_table" {
+	vpc_no                = ncloud_vpc.vpc.id
+	description           = "for test"
+	supported_subnet_type = "PUBLIC"
+}
+
+resource "ncloud_route_table_association" "route_table_subnet" {
+	route_table_no        = ncloud_route_table.route_table.id
+	subnet_no             = ncloud_subnet.subnet.id
+}
+```
+
+## Argument Reference
+
+The following arguments are supported:
+
+* `route_table_no` - (Required) The ID of the Route Table.
+* `subnet_no` - (Required) The ID of Subnet to create association.
+
+## Attributes Reference
+
+In addition to all arguments above, the following attributes are exported:
+
+* `id` - The ID of the route table association (`route_table_no`:`subnet_no`)