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首页 云防火墙 云防火墙CFW 开发参考 Terraform 使用指南 通过Terraform创建VPC边界防火墙（防护云企业网基础版的网络实例和指定VPC之间的互访流量）

通过Terraform创建VPC边界防火墙（防护云企业网基础版的网络实例和指定VPC之间的互访流量）

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本文介绍如何使用Terraform创建VPC边界防火墙（防护云企业网基础版的网络实例和指定VPC之间的互访流量）。

说明

当前示例代码支持一键运行，您可以直接运行代码。一键运行

前提条件

  • 由于阿里云账号（主账号）具有资源的所有权限，一旦发生泄露将面临重大风险。建议您使用RAM用户，并为该RAM用户创建AccessKey，具体操作方式请参见创建RAM用户和创建AccessKey。

  • 使用以下示例为RAM用户授权，需要为该RAM用户授予以下权限：云防火墙CloudFirewall权限。具体操作方式请参见为RAM用户授权。

    {
    "Version": "1",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": [
                "yundun-cloudfirewall:*",
                "yundun-ndr:*"
            ],
            "Resource": "*"
        },
        {
            "Effect": "Allow",
            "Action": [
                "vpc:*"                     
            ],
            "Resource": "*"
        },
        {
            "Effect": "Allow",
            "Action": [
                "vpc:CreateVSwitch",       
                "vpc:DescribeVSwitches",    
                "vpc:DeleteVSwitch"        
            ],
            "Resource": "*"
        },
        {
            "Effect": "Allow",
            "Action": [
                "cen:*"                      
            ],
            "Resource": "*"
        }
    ]
}

  • 准备Terraform运行环境，您可以选择以下任一方式来使用Terraform。

    在Explorer中使用Terraform：阿里云提供了Terraform的在线运行环境，您无需安装Terraform，登录后即可在线使用和体验Terraform。适用于零成本、快速、便捷地体验和调试Terraform的场景。

    Cloud Shell：阿里云Cloud Shell中预装了Terraform的组件，并已配置好身份凭证，您可直接在Cloud Shell中运行Terraform的命令。适用于低成本、快速、便捷地访问和使用Terraform的场景。

    在本地安装和配置Terraform：适用于网络连接较差或需要自定义开发环境的场景。

    重要

    请确保Terraform版本不低于v0.12.28。如需检查现有版本，请运行terraform --version命令。

说明

本教程示例包含的部分资源会产生一定费用，请在不需要时及时进行释放或退订。

使用的资源

alicloud_cloud_firewall_vpc_firewall_cen：VPC边界防火墙。

创建VPC边界防火墙

本示例将创建一个VPC边界防火墙。

  1. 创建一个工作目录，并且在工作目录中创建以下名为main.tf的配置文件。main.tfTerraform主文件，定义了将要部署的资源。

    variable "region" {
  default = "cn-qingdao"
}
provider "alicloud" {
  region = var.region
}
data "alicloud_account" "current" {
}
# 创建VPC 1
resource "alicloud_vpc" "vpc" {
  vpc_name   = "cen-vpc-01"
  cidr_block = "172.16.0.0/12"
}
# 创建VPC 2
resource "alicloud_vpc" "vpc1" {
  vpc_name   = "cen-vpc-02"
  cidr_block = "172.16.0.0/12"
}
# 创建一个Vswitch CIDR 块为 172.16.1.0/24
resource "alicloud_vswitch" "vsw" {
  vpc_id       = alicloud_vpc.vpc.id
  cidr_block   = "172.16.1.0/24"
  zone_id      = "cn-qingdao-b"
  vswitch_name = "terraform-example-1"
}
# 创建另一个Vswitch CIDR 块为 172.16.0.0/24
resource "alicloud_vswitch" "vsw1" {
  vpc_id       = alicloud_vpc.vpc.id
  cidr_block   = "172.16.0.0/24"
  zone_id      = "cn-qingdao-c"
  vswitch_name = "terraform-example-2"
}
# 创建一个Vswitch CIDR 块为 172.16.4.0/24
resource "alicloud_vswitch" "vsw2" {
  vpc_id       = alicloud_vpc.vpc1.id
  cidr_block   = "172.16.4.0/24"
  zone_id      = "cn-qingdao-b"
  vswitch_name = "terraform-example-11"
}
# 创建另一个Vswitch CIDR 块为 172.16.5.0/24
resource "alicloud_vswitch" "vsw3" {
  vpc_id       = alicloud_vpc.vpc1.id
  cidr_block   = "172.16.5.0/24"
  zone_id      = "cn-qingdao-c"
  vswitch_name = "terraform-example-22"
}
# 云企业网实例
resource "alicloud_cen_instance" "example" {
  # CEN实例名称
  cen_instance_name = "tf_example"
  # 描述
  description = "an example for cen"
}
# 转发路由器创建网络实例连接 1
resource "alicloud_cen_instance_attachment" "example" {
  instance_id              = alicloud_cen_instance.example.id
  child_instance_id        = alicloud_vpc.vpc.id
  child_instance_type      = "VPC"
  child_instance_region_id = "cn-qingdao"
}
# 转发路由器创建网络实例连接 2
resource "alicloud_cen_instance_attachment" "example1" {
  instance_id              = alicloud_cen_instance.example.id
  child_instance_id        = alicloud_vpc.vpc1.id
  child_instance_type      = "VPC"
  child_instance_region_id = "cn-qingdao"
}
# 先创建云企业网实例和网络连接实例
resource "time_sleep" "wait_before_firewall" {
  # 确保云企业网实例，网络连接实例创建好后
  depends_on = [
    alicloud_cen_instance_attachment.example,
    alicloud_cen_instance_attachment.example1
  ]
  create_duration = "720s" # 根据需要设置延迟时间
}
# 延迟
resource "null_resource" "wait_for_firewall" {
  provisioner "local-exec" {
    command = "echo waiting for firewall to be ready"
  }
  # 确保云企业网实例创建
  depends_on = [time_sleep.wait_before_firewall]
}
# 云企业（基础版）实例
resource "alicloud_cloud_firewall_vpc_firewall_cen" "default" {
  # 云企业网实例，网络连接实例，延迟确保创建
  depends_on = [
    null_resource.wait_for_firewall
  ]
  timeouts {
    create = "30m" # 给创建加上超时时间
  }
  # CEN 实例的 ID
  cen_id = alicloud_cen_instance.example.id
  # VPC 的详细信息
  local_vpc {
    # 创建 VPC 防火墙的 VPC 实例 ID。
    network_instance_id = alicloud_cen_instance_attachment.example.child_instance_id
  }
  # 防火墙开关状态。
  status = "open"
  # 当前阿里云账户的成员账户 UID 可选
  member_uid = data.alicloud_account.current.id
  # 创建 VPC 的区域 ID。
  vpc_region = var.region
  # VPC 防火墙实例的名称。
  vpc_firewall_name = "tf-test"
}

  2. 执行以下命令，初始化Terraform运行环境。

    terraform init

    返回如下信息，表示Terraform初始化成功。

    Initializing the backend...

Initializing provider plugins...
- Checking for available provider plugins...
- Downloading plugin for provider "alicloud" (hashicorp/alicloud) 1.203.0...

Terraform has been successfully initialized!

You may now begin working with Terraform. Try running "terraform plan" to see
any changes that are required for your infrastructure. All Terraform commands
should now work.

If you ever set or change modules or backend configuration for Terraform,
rerun this command to reinitialize your working directory. If you forget, other
commands will detect it and remind you to do so if necessary.

  3. 创建执行计划，并预览变更。

    terraform plan

  4. 执行以下命令，创建VPC边界防火墙（防护云企业网基础版的网络实例和指定VPC之间的互访流量）。

    terraform apply

    在执行过程中，根据提示输入yes并按下Enter键，等待命令执行完成，若出现以下信息，则表示创建VPC边界防火墙（防护云企业网基础版的网络实例和指定VPC之间的互访流量）成功。

    Plan: 12 to add, 0 to change, 0 to destroy.

Do you want to perform these actions?
  Terraform will perform the actions described above.
  Only 'yes' will be accepted to approve.

  Enter a value: yes

alicloud_vpc.vpc1: Creating...
alicloud_cen_instance.example: Creating...
alicloud_vpc.vpc: Creating...
alicloud_cen_instance.example: Creation complete after 6s [id=cen-igzi112vm9qo95y***]
alicloud_vpc.vpc: Creation complete after 6s [id=vpc-m5e80rjklhxmpvjpc6***]
alicloud_vswitch.vsw: Creating...
alicloud_vpc.vpc1: Creation complete after 6s [id=vpc-m5e31tqo1qwevzb8xy***]
alicloud_vswitch.vsw1: Creating...
alicloud_cen_instance_attachment.example: Creating...
alicloud_vswitch.vsw2: Creating...
alicloud_cen_instance_attachment.example1: Creating...
alicloud_vswitch.vsw3: Creating...
alicloud_vswitch.vsw: Creation complete after 3s [id=vsw-m5e8ziezyqzqv0sc61***]
alicloud_vswitch.vsw2: Creation complete after 3s [id=vsw-m5eefi2ucwn9v6cf9d***]
alicloud_vswitch.vsw1: Creation complete after 7s [id=vsw-m5e60062s0hrie96wd***]
alicloud_vswitch.vsw3: Creation complete after 7s [id=vsw-m5eqoruknlh503wmtf***]
alicloud_cen_instance_attachment.example: Still creating... [10s elapsed]
alicloud_cen_instance_attachment.example1: Still creating... [10s elapsed]
alicloud_cen_instance_attachment.example: Still creating... [20s elapsed]
alicloud_cen_instance_attachment.example1: Still creating... [20s elapsed]
alicloud_cen_instance_attachment.example: Creation complete after 25s [id=cen-igzi112vm9qo95y***:vpc-m5e80rjklhxmpvjpc6***:VPC:cn-qingdao]
alicloud_cen_instance_attachment.example1: Still creating... [30s elapsed]
alicloud_cen_instance_attachment.example1: Creation complete after 35s [id=cen-igzi112vm9qo95y***:vpc-m5e31tqo1qwevzb8xy***:VPC:cn-qingdao]
time_sleep.wait_before_firewall: Creating...
time_sleep.wait_before_firewall: Still creating... [10s elapsed]
time_sleep.wait_before_firewall: Still creating... [20s elapsed]
time_sleep.wait_before_firewall: Still creating... [30s elapsed]
time_sleep.wait_before_firewall: Still creating... [40s elapsed]
time_sleep.wait_before_firewall: Still creating... [50s elapsed]
time_sleep.wait_before_firewall: Still creating... [1m0s elapsed]
time_sleep.wait_before_firewall: Still creating... [1m10s elapsed]
time_sleep.wait_before_firewall: Still creating... [1m20s elapsed]
time_sleep.wait_before_firewall: Creation complete after 1m21s [id=2024-10-31T08:49:08Z]
null_resource.wait_for_firewall: Creating...
null_resource.wait_for_firewall: Provisioning with 'local-exec'...
null_resource.wait_for_firewall (local-exec): Executing: ["/bin/sh" "-c" "echo waiting for firewall to be ready"]
null_resource.wait_for_firewall (local-exec): waiting for firewall to be ready
null_resource.wait_for_firewall: Creation complete after 0s [id=8138826525954951***]
alicloud_cloud_firewall_vpc_firewall_cen.default: Creating...
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [10s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [20s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [30s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [40s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [50s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [1m0s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [1m10s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [1m20s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [1m30s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [1m40s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [1m50s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [2m0s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [2m10s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [2m20s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [2m30s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [2m40s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [2m50s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [3m0s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [3m10s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [3m20s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [3m30s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [3m40s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [3m50s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [4m0s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [4m10s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [4m20s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [4m30s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [4m40s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Still creating... [4m50s elapsed]
alicloud_cloud_firewall_vpc_firewall_cen.default: Creation complete after 4m55s [id=vfw-1bc3b436d49b46ac8***]

Apply complete! Resources: 12 added, 0 changed, 0 destroyed.

  5. 验证结果

    执行terraform show命令

    您可以使用以下命令查询Terraform已创建的资源详细信息。

    terraform show

    image

    登录云防火墙控制台

    登录云防火墙控制台，在防火墙开关>VPC边界防火墙页面，搜索VPC边界防火墙实例ID查看详细信息。

    image

清理资源

当您不再需要上述通过Terraform创建或管理的资源时，请运行以下命令以释放资源。关于terraform destroy的更多信息，请参见Terraform常用命令。

terraform destroy

完整示例

说明

当前示例代码支持一键运行，您可以直接运行代码。一键运行

示例代码

variable "region" {
  default = "cn-qingdao"
}
provider "alicloud" {
  region = var.region
}
data "alicloud_account" "current" {
}
# 创建VPC 1
resource "alicloud_vpc" "vpc" {
  vpc_name   = "cen-vpc-01"
  cidr_block = "172.16.0.0/12"
}
# 创建VPC 2
resource "alicloud_vpc" "vpc1" {
  vpc_name   = "cen-vpc-02"
  cidr_block = "172.16.0.0/12"
}
# 创建一个Vswitch CIDR 块为 172.16.1.0/24
resource "alicloud_vswitch" "vsw" {
  vpc_id       = alicloud_vpc.vpc.id
  cidr_block   = "172.16.1.0/24"
  zone_id      = "cn-qingdao-b"
  vswitch_name = "terraform-example-1"
}
# 创建另一个Vswitch CIDR 块为 172.16.0.0/24
resource "alicloud_vswitch" "vsw1" {
  vpc_id       = alicloud_vpc.vpc.id
  cidr_block   = "172.16.0.0/24"
  zone_id      = "cn-qingdao-c"
  vswitch_name = "terraform-example-2"
}
# 创建一个Vswitch CIDR 块为 172.16.4.0/24
resource "alicloud_vswitch" "vsw2" {
  vpc_id       = alicloud_vpc.vpc1.id
  cidr_block   = "172.16.4.0/24"
  zone_id      = "cn-qingdao-b"
  vswitch_name = "terraform-example-11"
}
# 创建另一个Vswitch CIDR 块为 172.16.5.0/24
resource "alicloud_vswitch" "vsw3" {
  vpc_id       = alicloud_vpc.vpc1.id
  cidr_block   = "172.16.5.0/24"
  zone_id      = "cn-qingdao-c"
  vswitch_name = "terraform-example-22"
}
# 云企业网实例
resource "alicloud_cen_instance" "example" {
  # CEN实例名称
  cen_instance_name = "tf_example"
  # 描述
  description = "an example for cen"
}
# 转发路由器创建网络实例连接 1
resource "alicloud_cen_instance_attachment" "example" {
  instance_id              = alicloud_cen_instance.example.id
  child_instance_id        = alicloud_vpc.vpc.id
  child_instance_type      = "VPC"
  child_instance_region_id = "cn-qingdao"
}
# 转发路由器创建网络实例连接 2
resource "alicloud_cen_instance_attachment" "example1" {
  instance_id              = alicloud_cen_instance.example.id
  child_instance_id        = alicloud_vpc.vpc1.id
  child_instance_type      = "VPC"
  child_instance_region_id = "cn-qingdao"
}
# 先创建云企业网实例和网络连接实例
resource "time_sleep" "wait_before_firewall" {
  # 确保云企业网实例，网络连接实例创建好后
  depends_on = [
    alicloud_cen_instance_attachment.example,
    alicloud_cen_instance_attachment.example1
  ]
  create_duration = "720s" # 根据需要设置延迟时间
}
# 延迟
resource "null_resource" "wait_for_firewall" {
  provisioner "local-exec" {
    command = "echo waiting for firewall to be ready"
  }
  # 确保云企业网实例创建
  depends_on = [time_sleep.wait_before_firewall]
}
# 云企业（基础版）实例
resource "alicloud_cloud_firewall_vpc_firewall_cen" "default" {
  # 云企业网实例，网络连接实例，延迟确保创建
  depends_on = [
    null_resource.wait_for_firewall
  ]
  timeouts {
    create = "30m" # 给创建加上超时时间
  }
  # CEN 实例的 ID
  cen_id = alicloud_cen_instance.example.id
  # VPC 的详细信息
  local_vpc {
    # 创建 VPC 防火墙的 VPC 实例 ID。
    network_instance_id = alicloud_cen_instance_attachment.example.child_instance_id
  }
  # 防火墙开关状态。
  status = "open"
  # 当前阿里云账户的成员账户 UID 可选
  member_uid = data.alicloud_account.current.id
  # 创建 VPC 的区域 ID。
  vpc_region = var.region
  # VPC 防火墙实例的名称。
  vpc_firewall_name = "tf-test"
}
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