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Terraform Example Program to Create Azure Linux VM

# Create a resource group if it doesn't exist
resource "azurerm_resource_group" "myterraformgroup" {
name = "myResourceGroup"
location = "eastus"
tags = {
environment = "Terraform Demo"
}
}
# Create virtual network
resource "azurerm_virtual_network" "myterraformnetwork" {
name = "myVnet"
address_space = ["10.0.0.0/16"]
location = "eastus"
resource_group_name = azurerm_resource_group.myterraformgroup.name
tags = {
environment = "Terraform Demo"
}
}
# Create subnet
resource "azurerm_subnet" "myterraformsubnet" {
name = "mySubnet"
resource_group_name = azurerm_resource_group.myterraformgroup.name
virtual_network_name = azurerm_virtual_network.myterraformnetwork.name
address_prefixes = ["10.0.1.0/24"]
}
# Create public IPs
resource "azurerm_public_ip" "myterraformpublicip" {
name = "myPublicIP"
location = "eastus"
resource_group_name = azurerm_resource_group.myterraformgroup.name
allocation_method = "Dynamic"
tags = {
environment = "Terraform Demo"
}
}
# Create Network Security Group and rule
resource "azurerm_network_security_group" "myterraformnsg" {
name = "myNetworkSecurityGroup"
location = "eastus"
resource_group_name = azurerm_resource_group.myterraformgroup.name
security_rule {
name = "SSH"
priority = 1001
direction = "Inbound"
access = "Allow"
protocol = "Tcp"
source_port_range = "*"
destination_port_range = "22"
source_address_prefix = "*"
destination_address_prefix = "*"
}
tags = {
environment = "Terraform Demo"
}
}
# Create network interface
resource "azurerm_network_interface" "myterraformnic" {
name = "myNIC"
location = "eastus"
resource_group_name = azurerm_resource_group.myterraformgroup.name
ip_configuration {
name = "myNicConfiguration"
subnet_id = azurerm_subnet.myterraformsubnet.id
private_ip_address_allocation = "Dynamic"
public_ip_address_id = azurerm_public_ip.myterraformpublicip.id
}
tags = {
environment = "Terraform Demo"
}
}
# Connect the security group to the network interface
resource "azurerm_network_interface_security_group_association" "example" {
network_interface_id = azurerm_network_interface.myterraformnic.id
network_security_group_id = azurerm_network_security_group.myterraformnsg.id
}
# Generate random text for a unique storage account name
resource "random_id" "randomId" {
keepers = {
# Generate a new ID only when a new resource group is defined
resource_group = azurerm_resource_group.myterraformgroup.name
}
byte_length = 8
}
# Create storage account for boot diagnostics
resource "azurerm_storage_account" "mystorageaccount" {
name = "diag${random_id.randomId.hex}"
resource_group_name = azurerm_resource_group.myterraformgroup.name
location = "eastus"
account_tier = "Standard"
account_replication_type = "LRS"
tags = {
environment = "Terraform Demo"
}
}
# Create (and display) an SSH key
resource "tls_private_key" "example_ssh" {
algorithm = "RSA"
rsa_bits = 4096
}
output "tls_private_key" {
value = tls_private_key.example_ssh.private_key_pem
sensitive = true
}
# Create virtual machine
resource "azurerm_linux_virtual_machine" "myterraformvm" {
name = "myVM"
location = "eastus"
resource_group_name = azurerm_resource_group.myterraformgroup.name
network_interface_ids = [azurerm_network_interface.myterraformnic.id]
size = "Standard_DS1_v2"
os_disk {
name = "myOsDisk"
caching = "ReadWrite"
storage_account_type = "Premium_LRS"
}
source_image_reference {
publisher = "Canonical"
offer = "UbuntuServer"
sku = "18.04-LTS"
version = "latest"
}
computer_name = "myvm"
admin_username = "azureuser"
disable_password_authentication = true
admin_ssh_key {
username = "azureuser"
public_key = file("~/.ssh/id_rsa.pub")
}
boot_diagnostics {
storage_account_uri = azurerm_storage_account.mystorageaccount.primary_blob_endpoint
}
tags = {
environment = "Terraform Demo"
}
}
terraform {
required_providers {
azurerm = {
source = "hashicorp/azurerm"
version = "=2.46.0"
}
}
}
# Configure the Microsoft Azure Provider
provider "azurerm" {
features {}
subscription_id = ""
client_id = ""
client_secret = ""
tenant_id = ""
}
# AUTH - Authenticating to Azure using a Service Principal and a Client Secret

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