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alicloud_nat_gateway

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Provides a resource to create a VPC NAT Gateway.

-> NOTE: Resource bandwidth packages will not be supported since 00:00 on November 4, 2017, and public IP can be replaced be elastic IPs. If a Nat Gateway has already bought some bandwidth packages, it can not bind elastic IP and you have to submit the work order to solve. If you want to add public IP, you can use resource 'alicloud_eip_association' to bind several elastic IPs for one Nat Gateway.

-> NOTE: From version 1.7.1, this resource has deprecated bandwidth packages. But, in order to manage stock bandwidth packages, version 1.13.0 re-support configuring 'bandwidth_packages'.

-> NOTE: Available since v1.37.0.

Example Usage

Basic usage

  • create enhanced nat gateway
variable "name" {
  default = "tf_example"
}

data "alicloud_enhanced_nat_available_zones" "default" {
}

resource "alicloud_vpc" "default" {
  vpc_name   = var.name
  cidr_block = "10.0.0.0/8"
}

resource "alicloud_vswitch" "default" {
  vswitch_name = var.name
  zone_id      = data.alicloud_enhanced_nat_available_zones.default.zones.0.zone_id
  cidr_block   = "10.10.0.0/20"
  vpc_id       = alicloud_vpc.default.id
}

resource "alicloud_nat_gateway" "default" {
  vpc_id           = alicloud_vpc.default.id
  nat_gateway_name = var.name
  payment_type     = "PayAsYouGo"
  vswitch_id       = alicloud_vswitch.default.id
  nat_type         = "Enhanced"
}
  • transform nat from Normal to Enhanced -> NOTE: You must set nat_type to Enhanced and set vswitch_id.
variable "name" {
  default = "tf-example"
}

data "alicloud_enhanced_nat_available_zones" "default" {
}

resource "alicloud_vpc" "default" {
  vpc_name   = var.name
  cidr_block = "10.0.0.0/8"
}

resource "alicloud_vswitch" "default" {
  vswitch_name = var.name
  zone_id      = data.alicloud_enhanced_nat_available_zones.default.zones.0.zone_id
  cidr_block   = "10.10.0.0/20"
  vpc_id       = alicloud_vpc.default.id
}

resource "alicloud_nat_gateway" "default" {
  vpc_id           = alicloud_vpc.default.id
  nat_gateway_name = var.name
  vswitch_id       = alicloud_vswitch.default.id
  nat_type         = "Enhanced"
}

Deleting alicloud_nat_gateway or removing it from your configuration

The alicloud_nat_gateway resource allows you to manage payment_type = "Subscription" or instance_charge_type = "Prepaid" nat gateway, but Terraform cannot destroy it. Deleting the subscription resource or removing it from your configuration will remove it from your statefile and management, but will not destroy the Nat Gateway. You can resume managing the subscription nat gateway via the AlibabaCloud Console.

Argument Reference

The following arguments are supported:

  • vpc_id - (Required, ForceNew) The VPC ID.
  • spec - (Deprecated from 1.7.1, Removed from v1.121.0) It has been deprecated from provider version 1.7.1, and new field 'specification' can replace it.
  • specification - (Optional) The specification of the nat gateway. Valid values are Small, Middle and Large. Effective when internet_charge_type is PayBySpec and network_type is internet. Details refer to Nat Gateway Specification.
  • name - (Optional, Deprecated from v1.121.0+) Field name has been deprecated from provider version 1.121.0. New field nat_gateway_name instead.
  • nat_gateway_name - (Optional, Available since v1.121.0) Name of the nat gateway. The value can have a string of 2 to 128 characters, must contain only alphanumeric characters or hyphens, such as "-",".","_", and must not begin or end with a hyphen, and must not begin with http:// or https://. Defaults to null.
  • description - (Optional) Description of the nat gateway, This description can have a string of 2 to 256 characters, It cannot begin with http:// or https://. Defaults to null.
  • dry_run - (Optional) Specifies whether to only precheck this request. Default value: false.
  • force - (Optional) Specifies whether to forcefully delete the NAT gateway.
  • bandwidth_packages - (Removed from v1.121.0) A list of bandwidth packages for the nat gatway. Only support nat gateway created before 00:00 on November 4, 2017. Available since v1.13.0+ and v1.7.1-. See bandwidth_packages below.
  • instance_charge_type - (Optional, ForceNew, Deprecated from v1.121.0+) Field instance_charge_type has been deprecated from provider version 1.121.0. New field payment_type instead.
  • payment_type - (Optional, ForceNew, Available since v1.121.0) The billing method of the NAT gateway. Valid values are PayAsYouGo and Subscription. Default to PayAsYouGo.
  • period - (Optional, Available since v1.45.0) The duration that you will buy the resource, in month. It is valid when payment_type is Subscription. Valid values: [1-9, 12, 24, 36]. At present, the provider does not support modify "period" and you can do that via web console. NOTE: International station only supports Subscription. -> NOTE: The attribute period is only used to create Subscription instance or modify the PayAsYouGo instance to Subscription. Once effect, it will not be modified that means running terraform apply will not effect the resource.
  • nat_type - (Optional, Available since v1.102.0) The type of NAT gateway. Valid values: Normal and Enhanced. NOTE: From 1.137.0+, The Normal has been deprecated.
  • vswitch_id - (Optional, Available since v1.102.0) The id of VSwitch.
  • internet_charge_type - (Optional, ForceNew, Available since v1.121.0) The internet charge type. Valid values PayByLcu and PayBySpec. The PayByLcu is only support enhanced NAT. NOTE: From 1.137.0+, The PayBySpec has been deprecated.
  • tags - (Optional, Available since v1.121.0) The tags of NAT gateway.
  • deletion_protection - (Optional, Available since v1.124.4+) Whether enable the deletion protection or not. Default value: false.
    • true: Enable deletion protection.
    • false: Disable deletion protection.
  • network_type - (Optional, Available since v1.136.0) Indicates the type of the created NAT gateway. Valid values internet and intranet. internet: Internet NAT Gateway. intranet: VPC NAT Gateway.
  • eip_bind_mode - (Optional, Available since v1.184.0) The EIP binding mode of the NAT gateway. Default value: MULTI_BINDED. Valid values:
    • MULTI_BINDED: Multi EIP network card visible mode.
    • NAT: EIP normal mode, compatible with IPv4 gateway.
  • bandwidth_package_ids - (Removed from v1.121.0) The ID of the bandwidth package.

-> NOTE: From version 1.194.0, eip_bind_mode can be modified. If the eip_bind_mode parameter is set to MULTI_BINDED when the NAT gateway is created, you can change the value of this parameter from MULTI_BINDED to NAT. If the eip_bind_mode parameter is set to NAT when the NAT gateway is created, you cannot change the value of this parameter from NAT to MULTI_BINDED.

-> NOTE: The Normal Nat Gateway has been offline and please using Enhanced Nat Gateway to get the better performance.

bandwidth_packages

The bandwidth_packages mapping supports the following:
  • ip_count - (Required) The IP number of the current bandwidth package. Its value range from 1 to 50.
  • bandwidth - (Required) The bandwidth value of the current bandwidth package. Its value range from 5 to 5000.
  • zone - (Optional) The AZ for the current bandwidth. If this value is not specified, Terraform will set a random AZ.
  • public_ip_addresses - (Computer) The public ip for bandwidth package. the public ip count equal ip_count, multi ip would complex with ",", such as "10.0.0.1,10.0.0.2".

Attributes Reference

The following attributes are exported:

  • id - The ID of the nat gateway.
  • snat_table_ids - The nat gateway will auto create a snat item.
  • forward_table_ids - The nat gateway will auto create a forward item.
  • status - (Available since v1.121.0) The status of NAT gateway.

Timeouts

-> NOTE: Available since v1.121.0.

The timeouts block allows you to specify timeouts for certain actions:

  • create - (Defaults to 10 mins) Used when create the nat gateway.
  • update - (Defaults to 10 mins) Used when update the nat gateway.
  • delete - (Defaults to 10 mins) Used when delete the nat gateway.

Import

Nat gateway can be imported using the id, e.g.

$ terraform import alicloud_nat_gateway.example <id>

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