使用for_each将不同数量的磁盘附加到不同数量的 VM



TF版本:0.13.4

提供商版本:2.40.0

我不确定最好/最有效的方法,但我试图实现的是(目前(将2个磁盘连接到每个虚拟机,但我需要能够根据要求配置每个虚拟机和磁盘。将来我可能需要更改磁盘和虚拟机的数量。我正试图让for_each在大小上循环,并根据其中的值数量创建相应数量的磁盘,这样我就可以拥有多个不同大小的磁盘。

有没有一种方法可以做到这一点,而不必手动创建多个托管磁盘资源?

我当前的代码创建了不同数量的虚拟机,但每个虚拟机只连接一个磁盘。for_each迭代的变量在每个环境的tfvars文件中设置:

desktop_servers = {
"Server_1" = {
name = 1,
zone = 1,
lun  = 1,
size = 32
}
"Server_2" = {
name = 2,
zone = 2,
lun  = 2,
size = 32
}
"Server_3" = {
name = 3,
zone = 3,
lun  = 3,
size = 32
}
}
etl_servers = {
"Server_1" = {
name = 1,
zone = 1,
lun  = 1,
size = 32
}
"Server_2" = {
name = 2,
zone = 2,
lun  = 2,
size = 32
}
}

模块内的虚拟机资源.tf

# Azure Virtual Machine
resource "azurerm_windows_virtual_machine" "virtual_machine" {
for_each                         = var.servers
name                             = "vm-${var.environment}-${var.vm_identifier}${each.value.name}"
location                         = var.location
resource_group_name              = var.resource_group
zone                             = each.value.zone
size                             = var.vm_size
network_interface_ids            = [azurerm_network_interface.network_interface[each.key].id]
computer_name                    = "${var.vm_identifier}${each.value.name}"
admin_username                   = xxxx
admin_password                   = xxxx
provision_vm_agent               = "true"
source_image_id                  = data.azurerm_shared_image.dwp_shared_image.id

boot_diagnostics {
storage_account_uri = data.azurerm_storage_account.dwp_diag_storage_account.primary_blob_endpoint
}
os_disk {
name                      = "vm-${var.environment}-${var.directorate}-${var.business_unit}-${var.vm_identifier}-os${each.value.name}"
caching                   = "ReadWrite"
storage_account_type      = "Premium_LRS"
}
depends_on = [azurerm_network_interface.network_interface]
}

模块内的托管磁盘资源.tf:

# #Managed disks per vm
resource "azurerm_managed_disk" "managed_disk" {
for_each               = var.servers
name                   = "disk-${var.environment}-${var.vm_identifier}${each.value.name}"
location               = var.location
resource_group_name    = var.resource_group
storage_account_type   = "Premium_LRS"
create_option          = "Empty"
disk_size_gb           = each.value.size
zones                  = [azurerm_windows_virtual_machine.virtual_machine[each.key].zone]
}
resource "azurerm_virtual_machine_data_disk_attachment" "disk_attachment" {
for_each           = var.servers
managed_disk_id    = azurerm_managed_disk.managed_disk[each.key].id
virtual_machine_id = azurerm_windows_virtual_machine.virtual_machine[each.key].id
lun                = each.value.lun
caching            = "ReadWrite"
}

模块内的variable.tf:

variable "servers" {
description = "Variable for defining each instance"
}

main.tf中ETL服务器的模块示例:

module "etl_vm" {
source                       = "../modules/compute/windows_vm"
location                     = var.location
resource_group               = azurerm_resource_group.rg_sbox_etl.name
directorate                  = var.directorate
business_unit                = var.business_unit
environment                  = var.environment
network_rg_identifier        = var.network_rg_identifier
subnet_name                  = "sub-${var.environment}-${var.directorate}-${var.business_unit}-be01"
diag_storage_account_name    = var.diag_storage_account_name
log_analytics_workspace_name = var.log_analytics_workspace_name
backup_policy_name           = var.backup_policy_name
vm_identifier                = "${var.vm_identifier}${var.instance_number}-etl"
servers                      = var.etl_servers
vm_size                      = var.etl_vm_size
enable_management_locks      = true
image_name                   = "WIN2016-CISL2"
gallery_subscription_id      = var.sub_id
gallery_resourcegroup        = var.rg_gallery
gallery_name                 = "SBOXGallery"

您可以使用模块来实现它。但它有点复杂。其想法是,您使用该模块来配置虚拟机,在每个虚拟机中,您可以配置不同的数据磁盘并将它们连接到虚拟机。使用变量输入配置的不同VM编号。这里有一个例子:

主.tf

variable "rg_name" {
type = string
}
variable "vms" {
type = map(object({
size = string
admin_user = string
admin_password = string
disks = list(number)
}))
}
variable "location" {}
module "vms" {
for_each = var.vms

source = "./modules/vm"
resource_group_name = var.rg_name
vm_name = each.key
vm = each.value
disks = each.value["disks"]
location = var.location
}

地形.tfvar

rg_name = "charlesVMs"
location = "East US"
vms ={
azurevm1 = {

size = "Standard_DS1_v2"
admin_user = "azureuser"
admin_password = "azureuser@2021"
disks = [30, 30]
}
}

/模块/vm/main.tf

variable "resource_group_name" {}
variable "vm" {}
variable "disks" {}
variable "location" {}
variable "vm_name" {}
resource "azurerm_resource_group" "example" {
name  = var.resource_group_name
location = var.location
}
resource "azurerm_virtual_network" "example" {
name                = "example-network"
address_space       = ["10.0.0.0/16"]
location            = azurerm_resource_group.example.location
resource_group_name = azurerm_resource_group.example.name
}
resource "azurerm_subnet" "example" {
name                 = "internal"
resource_group_name  = azurerm_resource_group.example.name
virtual_network_name = azurerm_virtual_network.example.name
address_prefixes     = ["10.0.2.0/24"]
}
resource "azurerm_network_interface" "example" {
name                = "example-nic"
location            = azurerm_resource_group.example.location
resource_group_name = azurerm_resource_group.example.name
ip_configuration {
name                          = "internal"
subnet_id                     = azurerm_subnet.example.id
private_ip_address_allocation = "Dynamic"
}
}
resource "azurerm_linux_virtual_machine" "vm" {
name              = var.vm_name
resource_group_name = azurerm_resource_group.example.name
location            = azurerm_resource_group.example.location
size                = var.vm["size"]
disable_password_authentication = false
admin_username      = var.vm["admin_user"]
admin_password      = var.vm["admin_password"]
network_interface_ids = [
azurerm_network_interface.example.id
]
# admin_ssh_key {
#   username   = "adminuser"
#   public_key = file("~/.ssh/id_rsa.pub")
# }
os_disk {
caching              = "ReadWrite"
storage_account_type = "Standard_LRS"
}
source_image_reference {
publisher = "Canonical"
offer     = "UbuntuServer"
sku       = "16.04-LTS"
version   = "latest"
}
}
resource "azurerm_managed_disk" "example" {
count       = length(var.vm["disks"])
name        = "datadisk-${count.index}"
location    = azurerm_resource_group.example.location
resource_group_name = azurerm_resource_group.example.name
storage_account_type = "Standard_LRS"
create_option        = "Empty"
disk_size_gb    = element(var.vm["disks"], count.index)
}
resource "azurerm_virtual_machine_data_disk_attachment" "example" {
count              = length(var.vm["disks"])
managed_disk_id    = element(azurerm_managed_disk.example.*.id, count.index)
virtual_machine_id = azurerm_linux_virtual_machine.vm.id
lun                = count.index
caching            = "ReadWrite"
}

您只需要为vms变量提供不同数量的VM配置和不同大小的磁盘。

最新更新