fix cvm release private ip (#2509)

* fix cvm release private ip

* add changelog

---------

Co-authored-by: mikatong <mikatong@tencent.com>

Author: tongyiming

.changelog/2509.txt

@@ -0,0 +1,4 @@
+```release-note:enhancement
+resource/tencentcloud_instance: fix private ip release problem
+```
+

tencentcloud/services/cvm/resource_tc_instance.go

@@ -1455,30 +1455,17 @@ func resourceTencentCloudInstanceDelete(d *schema.ResourceData, meta interface{}
 		return err
 	}
 
-	// wait ip release
-	if len(instance.PrivateIpAddresses) > 0 {
-		vpcService := vpc.NewVpcService(meta.(tccommon.ProviderMeta).GetAPIV3Conn())
-		params := make(map[string]interface{})
-		params["VpcId"] = instance.VirtualPrivateCloud.VpcId
-		params["SubnetId"] = instance.VirtualPrivateCloud.SubnetId
-		params["IpAddresses"] = instance.PrivateIpAddresses
-		err := resource.Retry(5*tccommon.ReadRetryTimeout, func() *resource.RetryError {
-			usedIpAddress, errRet := vpcService.DescribeVpcUsedIpAddressByFilter(ctx, params)
-			if errRet != nil {
-				return tccommon.RetryError(errRet, tccommon.InternalError)
-			}
-			if len(usedIpAddress) > 0 {
-				return resource.RetryableError(fmt.Errorf("wait cvm private ip release..."))
-			}
+	vpcService := vpc.NewVpcService(meta.(tccommon.ProviderMeta).GetAPIV3Conn())
 
-			return nil
-		})
+	if notExist {
+		err := waitIpRelease(ctx, vpcService, instance)
 		if err != nil {
 			return err
 		}
+		return nil
 	}
 
-	if notExist || !forceDelete {
+	if !forceDelete {
 		return nil
 	}
 
@@ -1592,6 +1579,11 @@ func resourceTencentCloudInstanceDelete(d *schema.ResourceData, meta interface{}
 			}
 		}
 	}
+
+	err = waitIpRelease(ctx, vpcService, instance)
+	if err != nil {
+		return err
+	}
 	return nil
 }
 
@@ -1702,3 +1694,28 @@ func waitForOperationFinished(d *schema.ResourceData, meta interface{}, timeout
 	}
 	return nil
 }
+
+func waitIpRelease(ctx context.Context, vpcService vpc.VpcService, instance *cvm.Instance) error {
+	// wait ip release
+	if len(instance.PrivateIpAddresses) > 0 {
+		params := make(map[string]interface{})
+		params["VpcId"] = instance.VirtualPrivateCloud.VpcId
+		params["SubnetId"] = instance.VirtualPrivateCloud.SubnetId
+		params["IpAddresses"] = instance.PrivateIpAddresses
+		err := resource.Retry(5*tccommon.ReadRetryTimeout, func() *resource.RetryError {
+			usedIpAddress, errRet := vpcService.DescribeVpcUsedIpAddressByFilter(ctx, params)
+			if errRet != nil {
+				return tccommon.RetryError(errRet, tccommon.InternalError)
+			}
+			if len(usedIpAddress) > 0 {
+				return resource.RetryableError(fmt.Errorf("wait cvm private ip release..."))
+			}
+
+			return nil
+		})
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}

tencentcloud/services/cvm/resource_tc_instance_test.go

@@ -102,6 +102,32 @@ func TestAccTencentCloudInstanceResource_Basic(t *testing.T) {
 	})
 }
 
+func TestAccTencentCloudInstanceResource_PrepaidBasic(t *testing.T) {
+	t.Parallel()
+
+	id := "tencentcloud_instance.cvm_prepaid_basic"
+	resource.Test(t, resource.TestCase{
+		PreCheck:      func() { tcacctest.AccPreCheck(t) },
+		IDRefreshName: id,
+		Providers:     tcacctest.AccProviders,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccTencentCloudInstancePrepaidBasic,
+				Check: resource.ComposeTestCheckFunc(
+					tcacctest.AccCheckTencentCloudDataSourceID(id),
+					testAccCheckTencentCloudInstanceExists(id),
+					resource.TestCheckResourceAttr(id, "instance_status", "RUNNING"),
+					resource.TestCheckResourceAttrSet(id, "private_ip"),
+					resource.TestCheckResourceAttrSet(id, "vpc_id"),
+					resource.TestCheckResourceAttrSet(id, "subnet_id"),
+					resource.TestCheckResourceAttrSet(id, "project_id"),
+					resource.TestCheckResourceAttr(id, "tags.hostname", "tci"),
+				),
+			},
+		},
+	})
+}
+
 func TestAccTencentCloudInstanceResource_WithDataDisk(t *testing.T) {
 	t.Parallel()
 
@@ -756,6 +782,26 @@ resource "tencentcloud_instance" "cvm_basic" {
 }
 `
 
+const testAccTencentCloudInstancePrepaidBasic = tcacctest.DefaultInstanceVariable + `
+resource "tencentcloud_instance" "cvm_prepaid_basic" {
+  instance_name     = var.instance_name
+  availability_zone = var.availability_cvm_zone
+  image_id          = data.tencentcloud_images.default.images.0.image_id
+  instance_type     = data.tencentcloud_instance_types.default.instance_types.0.instance_type
+  vpc_id            = var.cvm_vpc_id
+  subnet_id         = var.cvm_subnet_id
+  system_disk_type  = "CLOUD_PREMIUM"
+  project_id        = 0
+  instance_charge_type                    = "PREPAID"
+  instance_charge_type_prepaid_period     = 1
+  instance_charge_type_prepaid_renew_flag = "NOTIFY_AND_MANUAL_RENEW"
+  force_delete = true
+  tags = {
+    hostname = "tci"
+  }
+}
+`
+
 const testAccTencentCloudInstanceWithDataDiskOrder = tcacctest.DefaultInstanceVariable + `
 resource "tencentcloud_instance" "foo" {
   instance_name     = var.instance_name