Feat/support dcx import (#2448)

* feat: support import

* feat: support import

* feat: changelog

* feat: changelog

Author: WeiMengXS

.changelog/2448.txt

@@ -0,0 +1,3 @@
+```release-note:enhancement
+resource/tencentcloud_dcx: Support import
+```

tencentcloud/services/dc/resource_tc_dcx.go

@@ -44,6 +44,12 @@ func ResourceTencentCloudDcxInstance() *schema.Resource {
 				Computed:    true,
 				Description: "Connection owner, who is the current customer by default. The developer account ID should be entered for shared connections.",
 			},
+			"network_region": {
+				Type:        schema.TypeString,
+				Optional:    true,
+				ForceNew:    true,
+				Description: "Network region.",
+			},
 			"network_type": {
 				Type:         schema.TypeString,
 				Optional:     true,

tencentcloud/services/dc/resource_tc_dcx.md

@@ -42,4 +42,13 @@ resource "tencentcloud_dcx" "static_main" {
   tencent_address       = "100.93.46.1/30"
   customer_address      = "100.93.46.2/30"
 }
+
+
+```
+Import
+
+DCX instance can be imported using the id, e.g.
+
+```
+$ terraform import tencentcloud_dcx.foo dcx-cbbr1gjk
 ```

website/docs/r/dcx.html.markdown

@@ -67,6 +67,7 @@ The following arguments are supported:
 * `bgp_auth_key` - (Optional, String, ForceNew) BGP key of the user.
 * `customer_address` - (Optional, String, ForceNew) Interconnect IP of the DC within client.
 * `dc_owner_account` - (Optional, String, ForceNew) Connection owner, who is the current customer by default. The developer account ID should be entered for shared connections.
+* `network_region` - (Optional, String, ForceNew) Network region.
 * `network_type` - (Optional, String, ForceNew) Type of the network. Valid value: `VPC`, `BMVPC` and `CCN`. The default value is `VPC`.
 * `route_filter_prefixes` - (Optional, Set: [`String`], ForceNew) Static route, the network address of the user IDC. It can be modified after setting but cannot be deleted. AN unable field within BGP.
 * `route_type` - (Optional, String, ForceNew) Type of the route, and available values include BGP and STATIC. The default value is `BGP`.
@@ -83,3 +84,11 @@ In addition to all arguments above, the following attributes are exported:
 * `state` - State of the dedicated tunnels. Valid value: `PENDING`, `ALLOCATING`, `ALLOCATED`, `ALTERING`, `DELETING`, `DELETED`, `COMFIRMING` and `REJECTED`.
 
 
+## Import
+
+DCX instance can be imported using the id, e.g.
+
+```
+$ terraform import tencentcloud_dcx.foo dcx-cbbr1gjk
+```
+