使用 Terraform 在 Azure 中建立中樞虛擬網路

發行項
10/26/2023

Terraform 可讓您定義、預覽和部署雲端基礎結構。使用 Terraform 時，您可以使用 HCL 語法來建立設定檔。 HCL 語法可讓您指定雲端提供者 (例如 Azure) 和構成雲端基礎結構的元素。建立設定檔之後，您可以建立執行計畫，讓您先預覽基礎結構變更，之後再部署。驗證變更之後，您可以套用執行計畫來部署基礎結構。

中樞虛擬網路可作為內部部署網路的連線中心點。虛擬網路會裝載輪輻虛擬網路中裝載工作負載所取用的共用服務。為了示範目的，本文不會實作任何共用服務。

在本文中，您將學會如何：

在中樞和輪輻拓撲中實作中樞虛擬網路。
建立中樞 Jumpbox 虛擬機器。
建立中樞虛擬私人網路閘道。
建立中樞和內部部署閘道連線。

1.設定您的環境

Azure 訂用帳戶：如果您沒有 Azure 訂用帳戶，請在開始前建立免費帳戶。

設定 Terraform ：如果您尚未這麼做，請使用下列其中一個選項來設定 Terraform：

在 Azure 中使用 Terraform 建立中樞和輪輻混合式網路拓撲。
在 Azure 中使用 Terraform 建立內部部署虛擬網路。

2.實作 Terraform 程式碼

中樞網路包含下列元件：

中樞虛擬網路
中樞虛擬網路閘道
中樞閘道連線

將本系列第一篇文章中建立的範例目錄設為目前目錄。
在範例目錄中，建立名為 hub-vnet.tf 的檔案。

插入下列程式碼：

locals {
    prefix-hub         = "hub"
    hub-location       = "eastus"
    hub-resource-group = "hub-vnet-rg"
    shared-key         = "4-v3ry-53cr37-1p53c-5h4r3d-k3y"
}

resource "azurerm_resource_group" "hub-vnet-rg" {
    name     = local.hub-resource-group
    location = local.hub-location
}

resource "azurerm_virtual_network" "hub-vnet" {
    name                = "${local.prefix-hub}-vnet"
    location            = azurerm_resource_group.hub-vnet-rg.location
    resource_group_name = azurerm_resource_group.hub-vnet-rg.name
    address_space       = ["10.0.0.0/16"]

    tags = {
    environment = "hub-spoke"
    }
}

resource "azurerm_subnet" "hub-gateway-subnet" {
    name                 = "GatewaySubnet"
    resource_group_name  = azurerm_resource_group.hub-vnet-rg.name
    virtual_network_name = azurerm_virtual_network.hub-vnet.name
    address_prefixes     = ["10.0.255.224/27"]
}

resource "azurerm_subnet" "hub-mgmt" {
    name                 = "mgmt"
    resource_group_name  = azurerm_resource_group.hub-vnet-rg.name
    virtual_network_name = azurerm_virtual_network.hub-vnet.name
    address_prefixes       = ["10.0.0.64/27"]
}

resource "azurerm_subnet" "hub-dmz" {
    name                 = "dmz"
    resource_group_name  = azurerm_resource_group.hub-vnet-rg.name
    virtual_network_name = azurerm_virtual_network.hub-vnet.name
    address_prefixes       = ["10.0.0.32/27"]
}

resource "azurerm_network_interface" "hub-nic" {
    name                 = "${local.prefix-hub}-nic"
    location             = azurerm_resource_group.hub-vnet-rg.location
    resource_group_name  = azurerm_resource_group.hub-vnet-rg.name
    enable_ip_forwarding = true

    ip_configuration {
    name                          = local.prefix-hub
    subnet_id                     = azurerm_subnet.hub-mgmt.id
    private_ip_address_allocation = "Dynamic"
    }

    tags = {
    environment = local.prefix-hub
    }
}

#Virtual Machine
resource "azurerm_virtual_machine" "hub-vm" {
    name                  = "${local.prefix-hub}-vm"
    location              = azurerm_resource_group.hub-vnet-rg.location
    resource_group_name   = azurerm_resource_group.hub-vnet-rg.name
    network_interface_ids = [azurerm_network_interface.hub-nic.id]
    vm_size               = var.vmsize

    storage_image_reference {
    publisher = "Canonical"
    offer     = "UbuntuServer"
    sku       = "16.04-LTS"
    version   = "latest"
    }

    storage_os_disk {
    name              = "myosdisk1"
    caching           = "ReadWrite"
    create_option     = "FromImage"
    managed_disk_type = "Standard_LRS"
    }

    os_profile {
    computer_name  = "${local.prefix-hub}-vm"
    admin_username = var.username
    admin_password = var.password
    }

    os_profile_linux_config {
    disable_password_authentication = false
    }

    tags = {
    environment = local.prefix-hub
    }
}

# Virtual Network Gateway
resource "azurerm_public_ip" "hub-vpn-gateway1-pip" {
    name                = "hub-vpn-gateway1-pip"
    location            = azurerm_resource_group.hub-vnet-rg.location
    resource_group_name = azurerm_resource_group.hub-vnet-rg.name

    allocation_method = "Dynamic"
}

resource "azurerm_virtual_network_gateway" "hub-vnet-gateway" {
    name                = "hub-vpn-gateway1"
    location            = azurerm_resource_group.hub-vnet-rg.location
    resource_group_name = azurerm_resource_group.hub-vnet-rg.name

    type     = "Vpn"
    vpn_type = "RouteBased"

    active_active = false
    enable_bgp    = false
    sku           = "VpnGw1"

    ip_configuration {
    name                          = "vnetGatewayConfig"
    public_ip_address_id          = azurerm_public_ip.hub-vpn-gateway1-pip.id
    private_ip_address_allocation = "Dynamic"
    subnet_id                     = azurerm_subnet.hub-gateway-subnet.id
    }
    depends_on = [azurerm_public_ip.hub-vpn-gateway1-pip]
}

resource "azurerm_virtual_network_gateway_connection" "hub-onprem-conn" {
    name                = "hub-onprem-conn"
    location            = azurerm_resource_group.hub-vnet-rg.location
    resource_group_name = azurerm_resource_group.hub-vnet-rg.name

    type           = "Vnet2Vnet"
    routing_weight = 1

    virtual_network_gateway_id      = azurerm_virtual_network_gateway.hub-vnet-gateway.id
    peer_virtual_network_gateway_id = azurerm_virtual_network_gateway.onprem-vpn-gateway.id

    shared_key = local.shared-key
}

resource "azurerm_virtual_network_gateway_connection" "onprem-hub-conn" {
    name                = "onprem-hub-conn"
    location            = azurerm_resource_group.onprem-vnet-rg.location
    resource_group_name = azurerm_resource_group.onprem-vnet-rg.name
    type                            = "Vnet2Vnet"
    routing_weight = 1
    virtual_network_gateway_id      = azurerm_virtual_network_gateway.onprem-vpn-gateway.id
    peer_virtual_network_gateway_id = azurerm_virtual_network_gateway.hub-vnet-gateway.id

    shared_key = local.shared-key
}

對 Azure 上的 Terraform 進行疑難排解

針對在 Azure 上使用 Terraform 時的常見問題進行疑難排解

下一步

在 Azure 中使用 Terraform 建立中樞虛擬網路設備

使用 Terraform 在 Azure 中建立中樞虛擬網路

1.設定您的環境

2.實作 Terraform 程式碼

對 Azure 上的 Terraform 進行疑難排解

下一步

意見反應

意見反應

其他資源