Topic 101 vm simple linux (#1)

* added .travis.yml and deploy.sh
* added deploy script, updated travis.yml to build topic- branches
* generate random string for hostname
* plan now produces output plan, apply now consumes outputted plan
* cleanup; sane defaults
* explicit build dirs

.travis.yml

@@ -1,36 +1,32 @@
+sudo: required
+
+services:
+  - docker
+
 language: generic
 
 # establish environment variables
 env:
-  - TEST_DIR=examples/101-vm-simple-linux
-#   global:
-#     - GH_USER_NAME="travis-ci"
-#     - GH_USER_EMAIL="mikedball@gmail.com"
-#     - GH_REPO="10thmagnitude/terraform"
-#     # encrypted GH_TOKEN and AWS credentials
-#     - secure: "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"
+  - TEST_DIR=examples/azure-vm-simple-linux
 
 branches:
   only:
   - master
   - /^(?i:topic)-.*$/
 
-
-##todo: switch to before_script and script
-
 # install terraform
 before_deploy:
-  - curl -fSL "https://releases.hashicorp.com/terraform/0.9.3/terraform_0.9.3_linux_amd64.zip" -o terraform.zip
-  - sudo unzip terraform.zip -d /opt/terraform
-  - sudo ln -s /opt/terraform/terraform /usr/bin/terraform
-  - rm -f terraform.zip
+  - export KEY=$(cat /dev/urandom | tr -cd 'a-z' | head -c 12)
+  - export PASSWORD=$KEY$(cat /dev/urandom | tr -cd 'A-Z' | head -c 2)$(cat /dev/urandom | tr -cd '0-9' | head -c 2)
 
-# terraform apply
+# terraform deploy script
 deploy:
   - provider: script
     skip_cleanup: true
-    script: cd $TEST_DIR && "./deploy.sh"
+    script: cd $TRAVIS_BUILD_DIR/$TEST_DIR && ./deploy.sh
     on:
       repo: 10thmagnitude/terraform
-      branch: 101-vm-simple-linux
-      condition: false  # re-enable when examples exist in master 
+      branch: topic-101-vm-simple-linux
+
+# destroy resources with Azure CLI
+after_deploy: cd $TRAVIS_BUILD_DIR/$TEST_DIR && ./after_deploy.sh

examples/azure-vm-simple-linux/.gitignore

@@ -0,0 +1,3 @@
+terraform.tfstate*
+terraform.tfvars
+provider.tf

examples/azure-vm-simple-linux/README.md

@@ -0,0 +1,36 @@
+# Very simple deployment of a Linux VM
+
+<a href="https://portal.azure.com/#create/Microsoft.Template/uri/https%3A%2F%2Fraw.githubusercontent.com%2FAzure%2Fazure-quickstart-templates%2Fmaster%2F101-vm-simple-linux%2Fazuredeploy.json" target="_blank">
+    <img src="http://azuredeploy.net/deploybutton.png"/>
+</a>
+<a href="http://armviz.io/#/?load=https%3A%2F%2Fraw.githubusercontent.com%2FAzure%2Fazure-quickstart-templates%2Fmaster%2F101-vm-simple-linux%2Fazuredeploy.json" target="_blank">
+    <img src="http://armviz.io/visualizebutton.png"/>
+</a>
+
+This template allows you to deploy a simple Linux VM using a few different options for the Ubuntu version, using the latest patched version. This will deploy a A1 size VM in the resource group location and return the FQDN of the VM.
+
+This template takes a minimum amount of parameters and deploys a Linux VM, using the latest patched version.
+
+## main.tf
+The `main.tf` file contains the actual resources that will be deployed. It also contains the Azure Resource Group definition and any defined variables. 
+
+## outputs.tf
+This data is outputted when `terraform apply` is called, and can be queried using the `terraform output` command.
+
+## provider.tf
+Azure requires that an application is added to Azure Active Directory to generate the `client_id`, `client_secret`, and `tenant_id` needed by Terraform (`subscription_id` can be recovered from your Azure account details). Please go [here](https://www.terraform.io/docs/providers/azurerm/) for full instructions on how to create this to populate your `provider.tf` file.
+
+## terraform.tfvars
+If a `terraform.tfvars` file is present in the current directory, Terraform automatically loads it to populate variables. We don't recommend saving usernames and password to version control, but you can create a local secret variables file and use `-var-file` to load it.
+
+## variables.tf
+The `variables.tf` file contains all of the input parameters that the user can specify when deploying this Terraform template.
+
+## .gitignore
+If you are committing this template to source control, please insure that the following files are added to your `.gitignore` file.
+
+```
+terraform.tfstate*
+terraform.tfvars
+provider.tf*
+```

examples/azure-vm-simple-linux/after_deploy.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+set -o errexit -o nounset
+
+# cleanup deployed azure resources
+docker run --rm -it \
+  azuresdk/azure-cli-python \
+  sh -c "az login --service-principal -u $ARM_CLIENT_ID -p $ARM_CLIENT_SECRET --tenant $ARM_TENANT_ID; \
+         az group delete -y -n $KEY"

examples/azure-vm-simple-linux/deploy.mac.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -o errexit -o nounset
+
+# generate a unique string for CI deployment
+export KEY=$(cat /dev/urandom | env LC_CTYPE=C tr -cd 'a-z' | head -c 12)
+export PASSWORD=$KEY$(cat /dev/urandom | env LC_CTYPE=C tr -cd 'A-Z' | head -c 2)$(cat /dev/urandom | env LC_CTYPE=C tr -cd '0-9' | head -c 2)
+
+/bin/sh ./deploy.sh
+
+# docker run --rm -it \
+#     azuresdk/azure-cli-python \
+#     sh -c "az login --service-principal -u $ARM_CLIENT_ID -p $ARM_CLIENT_SECRET --tenant $ARM_TENANT_ID; \
+#            az group delete -y -n $KEY"

examples/azure-vm-simple-linux/deploy.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+set -o errexit -o nounset
+
+docker run --rm -it \
+  -e ARM_CLIENT_ID \
+  -e ARM_CLIENT_SECRET \
+  -e ARM_SUBSCRIPTION_ID \
+  -e ARM_TENANT_ID \
+  -v $(pwd):/data \
+  --entrypoint "/bin/sh" \
+  hashicorp/terraform:light \
+  -c "cd /data; \
+      /bin/terraform get; \
+      /bin/terraform validate; \
+      /bin/terraform plan -out=out.tfplan -var dns_name=$KEY -var hostname=$KEY -var resource_group=$KEY -var admin_password=$PASSWORD; \
+      /bin/terraform apply out.tfplan"

examples/azure-vm-simple-linux/main.tf

@@ -0,0 +1,112 @@
+resource "azurerm_resource_group" "rg" {
+  name     = "${var.resource_group}"
+  location = "${var.location}"
+}
+
+resource "azurerm_virtual_network" "vnet" {
+  name                = "${var.virtual_network_name}"
+  location            = "${var.location}"
+  address_space       = ["${var.address_space}"]
+  resource_group_name = "${azurerm_resource_group.rg.name}"
+}
+
+resource "azurerm_subnet" "subnet" {
+  name                 = "${var.rg_prefix}subnet"
+  virtual_network_name = "${azurerm_virtual_network.vnet.name}"
+  resource_group_name  = "${azurerm_resource_group.rg.name}"
+  address_prefix       = "${var.subnet_prefix}"
+}
+
+resource "azurerm_network_interface" "nic" {
+  name                = "${var.rg_prefix}nic"
+  location            = "${var.location}"
+  resource_group_name = "${azurerm_resource_group.rg.name}"
+
+  ip_configuration {
+    name                          = "${var.rg_prefix}ipconfig"
+    subnet_id                     = "${azurerm_subnet.subnet.id}"
+    private_ip_address_allocation = "Dynamic"
+    public_ip_address_id          = "${azurerm_public_ip.pip.id}"
+  }
+}
+
+resource "azurerm_public_ip" "pip" {
+  name                         = "${var.rg_prefix}-ip"
+  location                     = "${var.location}"
+  resource_group_name          = "${azurerm_resource_group.rg.name}"
+  public_ip_address_allocation = "dynamic"
+  domain_name_label            = "${var.dns_name}"
+}
+
+resource "azurerm_storage_account" "stor" {
+  name                = "${var.dns_name}stor"
+  location            = "${var.location}"
+  resource_group_name = "${azurerm_resource_group.rg.name}"
+  account_type        = "${var.storage_account_type}"
+}
+
+resource "azurerm_storage_container" "storc" {
+  name                  = "${var.hostname}-vhds"
+  resource_group_name   = "${azurerm_resource_group.rg.name}"
+  storage_account_name  = "${azurerm_storage_account.stor.name}"
+  container_access_type = "private"
+}
+
+resource "azurerm_managed_disk" "disk1" {
+  name                 = "${var.hostname}-osdisk1"
+  location             = "${var.location}"
+  resource_group_name  = "${azurerm_resource_group.rg.name}"
+  storage_account_type = "Standard_LRS"
+  create_option        = "Empty"
+  disk_size_gb         = "30"
+}
+
+resource "azurerm_managed_disk" "disk2" {
+  name                 = "${var.hostname}-disk2"
+  location             = "${var.location}"
+  resource_group_name  = "${azurerm_resource_group.rg.name}"
+  storage_account_type = "Standard_LRS"
+  create_option        = "Empty"
+  disk_size_gb         = "1023"
+}
+
+resource "azurerm_virtual_machine" "vm" {
+  name                  = "${var.rg_prefix}vm"
+  location              = "${var.location}"
+  resource_group_name   = "${azurerm_resource_group.rg.name}"
+  vm_size               = "${var.vm_size}"
+  network_interface_ids = ["${azurerm_network_interface.nic.id}"]
+
+  storage_image_reference {
+    publisher = "${var.image_publisher}"
+    offer     = "${var.image_offer}"
+    sku       = "${var.image_sku}"
+    version   = "${var.image_version}"
+  }
+
+  storage_os_disk {
+    name          = "${var.hostname}-osdisk1"
+    vhd_uri       = "${azurerm_storage_account.stor.primary_blob_endpoint}${azurerm_storage_container.storc.name}/${var.hostname}-osdisk1.vhd"
+    caching       = "ReadWrite"
+    create_option = "FromImage"
+  }
+
+  storage_data_disk {
+    name          = "${var.hostname}-disk2"
+    vhd_uri       = "${azurerm_storage_account.stor.primary_blob_endpoint}${azurerm_storage_container.storc.name}/${var.hostname}-disk2.vhd"
+    disk_size_gb  = "1023"
+    create_option = "Empty"
+    lun           = 0
+  }
+
+  os_profile {
+    computer_name  = "${var.hostname}"
+    admin_username = "${var.admin_username}"
+    admin_password = "${var.admin_password}"
+  }
+
+  boot_diagnostics {
+    enabled     = "true"
+    storage_uri = "${azurerm_storage_account.stor.primary_blob_endpoint}"
+  }
+}

examples/azure-vm-simple-linux/outputs.tf

@@ -0,0 +1,11 @@
+output "hostname" {
+  value = "${var.hostname}"
+}
+
+output "vm_fqdn" {
+  value = "${azurerm_public_ip.pip.fqdn}"
+}
+
+output "sshCommand" {
+  value = "ssh ${var.admin_username}@${azurerm_public_ip.pip.fqdn}"
+}

examples/azure-vm-simple-linux/provider.tf.example

@@ -0,0 +1,6 @@
+provider "azurerm" {
+  subscription_id = "REPLACE-WITH-YOUR-SUBSCRIPTION-ID"
+  client_id       = "REPLACE-WITH-YOUR-CLIENT-ID"
+  client_secret   = "REPLACE-WITH-YOUR-CLIENT-SECRET"
+  tenant_id       = "REPLACE-WITH-YOUR-TENANT-ID"
+}

examples/azure-vm-simple-linux/terraform.tfvars.example

@@ -0,0 +1,6 @@
+resource_group = "myresourcegroup"
+rg_prefix      = "rg"
+hostname       = "myvm"
+dns_name       = "mydnsname"
+location       = "southcentralus"
+admin_password = "T3rr@f0rmP@ssword"

examples/azure-vm-simple-linux/variables.tf

@@ -0,0 +1,75 @@
+variable "resource_group" {
+  description = "The name of the resource group in which to create the virtual network."
+}
+
+variable "rg_prefix" {
+  description = "The shortened abbreviation to represent your resource group that will go on the front of some resources."
+  default     = "rg"
+}
+
+variable "hostname" {
+  description = "VM name referenced also in storage-related names."
+}
+
+variable "dns_name" {
+  description = " Label for the Domain Name. Will be used to make up the FQDN. If a domain name label is specified, an A DNS record is created for the public IP in the Microsoft Azure DNS system."
+}
+
+variable "location" {
+  description = "The location/region where the virtual network is created. Changing this forces a new resource to be created."
+  default     = "southcentralus"
+}
+
+variable "virtual_network_name" {
+  description = "The name for the virtual network."
+  default     = "vnet"
+}
+
+variable "address_space" {
+  description = "The address space that is used by the virtual network. You can supply more than one address space. Changing this forces a new resource to be created."
+  default     = "10.0.0.0/16"
+}
+
+variable "subnet_prefix" {
+  description = "The address prefix to use for the subnet."
+  default     = "10.0.10.0/24"
+}
+
+variable "storage_account_type" {
+  description = "Specifies the name of the storage account. Changing this forces a new resource to be created. This must be unique across the entire Azure service, not just within the resource group."
+  default     = "Standard_LRS"
+}
+
+variable "vm_size" {
+  description = "Specifies the name of the virtual machine resource. Changing this forces a new resource to be created."
+  default     = "Standard_A0"
+}
+
+variable "image_publisher" {
+  description = "name of the publisher of the image (az vm image list)"
+  default     = "Canonical"
+}
+
+variable "image_offer" {
+  description = "the name of the offer (az vm image list)"
+  default     = "UbuntuServer"
+}
+
+variable "image_sku" {
+  description = "image sku to apply (az vm image list)"
+  default     = "16.04-LTS"
+}
+
+variable "image_version" {
+  description = "version of the image to apply (az vm image list)"
+  default     = "latest"
+}
+
+variable "admin_username" {
+  description = "administrator user name"
+  default     = "vmadmin"
+}
+
+variable "admin_password" {
+  description = "administrator password (recommended to disable password auth)"
+}