This Terraform module deploys a Virtual Machines Scale Set in Azure and opens the specified ports on the loadbalancer for external access and returns the id of the VM scale set deployed.
This module requires a network and loadbalancer to be provider separately. You can provision them with the "Azure/network/azurerm" and "Azure/loadbalancer/azurerm" modules.
Using the vm_os_simple:
provider "azurerm" {
version = "~> 1.0"
}
variable "resource_group_name" {
default = "terraform-test"
}
module "network" {
source = "Azure/network/azurerm"
location = "westus"
resource_group_name = "${var.resource_group_name}"
}
module "loadbalancer" {
source = "Azure/loadbalancer/azurerm"
resource_group_name = "${var.resource_group_name}"
location = "westus"
prefix = "terraform-test"
lb_port = {
http = ["80", "Tcp", "80"]
https = ["443", "Tcp", "443"]
#ssh = ["22", "Tcp", "22"]
}
}
module "computegroup" {
source = "Azure/computegroup/azurerm"
resource_group_name = "${var.resource_group_name}"
location = "westus"
vm_size = "Standard_A0"
admin_username = "azureuser"
admin_password = "ComplexPassword"
ssh_key = "~/.ssh/id_rsa.pub"
nb_instance = 2
vm_os_simple = "UbuntuServer"
vnet_subnet_id = "${module.network.vnet_subnets[0]}"
load_balancer_backend_address_pool_ids = "${module.loadbalancer.azurerm_lb_backend_address_pool_id}"
cmd_extension = "sudo apt-get -y install nginx"
tags = {
environment = "dev"
costcenter = "it"
}
}
output "vmss_id"{
value = "${module.computegroup.vmss_id}"
}
Using the vm_os_publisher, vm_os_offer and vm_os_sku
provider "azurerm" {
version = "~> 1.0"
}
variable "resource_group_name" {
default = "terraform-test"
}
module "network" {
source = "Azure/network/azurerm"
location = "westus"
resource_group_name = "${var.resource_group_name}"
}
module "loadbalancer" {
source = "Azure/loadbalancer/azurerm"
resource_group_name = "${var.resource_group_name}"
location = "westus"
prefix = "terraform-test"
lb_port = {
http = ["80", "Tcp", "80"]
https = ["443", "Tcp", "443"]
#ssh = ["22", "Tcp", "22"]
}
}
module "computegroup" {
source = "Azure/computegroup/azurerm"
resource_group_name = "${var.resource_group_name}"
location = "westus"
vm_size = "Standard_A0"
admin_username = "azureuser"
admin_password = "ComplexPassword"
ssh_key = "~/.ssh/id_rsa.pub"
nb_instance = 2
vm_os_publisher = "Canonical"
vm_os_offer = "UbuntuServer"
vm_os_sku = "14.04.2-LTS"
vnet_subnet_id = "${module.network.vnet_subnets[0]}"
load_balancer_backend_address_pool_ids = "${module.loadbalancer.azurerm_lb_backend_address_pool_id}"
cmd_extension = "sudo apt-get -y install nginx"
tags = {
environment = "dev"
costcenter = "it"
}
}
output "vmss_id"{
value = "${module.computegroup.vmss_id}"
}
The module does not expose direct access to each node of the VM scale set for security reason. The following example shows how to use the compute group module with a jumpbox machine.
provider "azurerm" {
version = "~> 1.0"
}
variable "resource_group_name" {
default = "jumpbox-test"
}
variable "location" {
default = "westus"
}
module "network" {
source = "Azure/network/azurerm"
location = "${var.location}"
resource_group_name = "${var.resource_group_name}"
}
module "loadbalancer" {
source = "Azure/loadbalancer/azurerm"
resource_group_name = "${var.resource_group_name}"
location = "${var.location}"
prefix = "terraform-test"
lb_port = {
http = ["80", "Tcp", "80"]
https = ["443", "Tcp", "443"]
}
}
module "computegroup" {
source = "Azure/computegroup/azurerm"
resource_group_name = "${var.resource_group_name}"
location = "${var.location}"
vm_size = "Standard_DS1_v2"
admin_username = "azureuser"
admin_password = "ComplexPassword"
ssh_key = "~/.ssh/id_rsa.pub"
nb_instance = 2
vm_os_publisher = "Canonical"
vm_os_offer = "UbuntuServer"
vm_os_sku = "16.04-LTS"
vnet_subnet_id = "${module.network.vnet_subnets[0]}"
load_balancer_backend_address_pool_ids = "${module.loadbalancer.azurerm_lb_backend_address_pool_id}"
cmd_extension = "sudo apt-get -y install nginx"
tags = {
environment = "codelab"
}
}
resource "azurerm_public_ip" "jumpbox" {
name = "jumpbox-public-ip"
location = "${var.location}"
resource_group_name = "${var.resource_group_name}"
public_ip_address_allocation = "static"
domain_name_label = "${var.resource_group_name}-ssh"
depends_on = ["module.network"]
tags {
environment = "codelab"
}
}
resource "azurerm_network_interface" "jumpbox" {
name = "jumpbox-nic"
location = "${var.location}"
resource_group_name = "${var.resource_group_name}"
ip_configuration {
name = "IPConfiguration"
subnet_id = "${module.network.vnet_subnets[0]}"
private_ip_address_allocation = "dynamic"
public_ip_address_id = "${azurerm_public_ip.jumpbox.id}"
}
tags {
environment = "codelab"
}
}
resource "azurerm_virtual_machine" "jumpbox" {
name = "jumpbox"
location = "${var.location}"
resource_group_name = "${var.resource_group_name}"
network_interface_ids = ["${azurerm_network_interface.jumpbox.id}"]
vm_size = "Standard_DS1_v2"
storage_image_reference {
publisher = "Canonical"
offer = "UbuntuServer"
sku = "16.04-LTS"
version = "latest"
}
storage_os_disk {
name = "jumpbox-osdisk"
caching = "ReadWrite"
create_option = "FromImage"
managed_disk_type = "Standard_LRS"
}
os_profile {
computer_name = "jumpbox"
admin_username = "azureuser"
admin_password = "Password1234!"
}
os_profile_linux_config {
disable_password_authentication = true
ssh_keys {
path = "/home/azureuser/.ssh/authorized_keys"
key_data = "${file("~/.ssh/id_rsa.pub")}"
}
}
tags {
environment = "codelab"
}
}
We provide 2 ways to build, run, and test the module on a local development machine. Native (Mac/Linux) or Docker.
We provide simple script to quickly set up module development environment:
$ curl -sSL https://raw.githubusercontent.com/Azure/terramodtest/master/tool/env_setup.sh | sudo bashThen simply run it in local shell:
$ cd $GOPATH/src/{directory_name}/
$ bundle install
$ rake build
$ rake e2eWe provide a Dockerfile to build a new image based FROM the microsoft/terraform-test Docker hub image which adds additional tools / packages specific for this module (see Custom Image section). Alternatively use only the microsoft/terraform-test Docker hub image by using these instructions.
This builds the custom image:
$ docker build --build-arg BUILD_ARM_SUBSCRIPTION_ID=$ARM_SUBSCRIPTION_ID --build-arg BUILD_ARM_CLIENT_ID=$ARM_CLIENT_ID --build-arg BUILD_ARM_CLIENT_SECRET=$ARM_CLIENT_SECRET --build-arg BUILD_ARM_TENANT_ID=$ARM_TENANT_ID -t azure-computegroup .This runs the build and unit tests:
$ docker run --rm azure-computegroup /bin/bash -c "bundle install && rake build"This runs the end to end tests:
$ docker run --rm azure-computegroup /bin/bash -c "bundle install && rake e2e"This runs the full tests:
$ docker run --rm azure-computegroup /bin/bash -c "bundle install && rake full"Originally created by Damien Caro
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