Tweaked TF code examples to ensure they work and flow

Terraform/01 - Basics/Code/provider.tf

@@ -1,5 +1,4 @@
 # Configure the Azure Provider
 provider "azurerm" {
-  # whilst the `version` attribute is optional, we recommend pinning to a given version of the Provider
-  version = "=1.34.0"
+  version = "~>1.35.0"
 }

Terraform/01 - Basics/Code/vnet.tf

@@ -1,3 +1,4 @@
+# Configure Vnet and Subnet
 resource "azurerm_virtual_network" "predayvnet" {
   name                = "tfignitepreday"
   location            = "East US 2"
@@ -5,6 +6,7 @@ resource "azurerm_virtual_network" "predayvnet" {
   address_space       = ["10.0.0.0/16"]
 
   subnet {
-    name           = "subnet1"
+    name           = "default"
     address_prefix = "10.0.1.0/24"
-  }
+  }
+}

Terraform/02 - Variables/Code/nic.tf

@@ -1,12 +1,12 @@
-#Configure Network Interface
-resource "azurerm_network_interface" "example" {
+#Configure Network Interface# Configure Network Interface
+resource "azurerm_network_interface" "predaynic" {
   name                = "tfignitepredaynic"
-  location            = "var.location"
-  resource_group_name = "var.my_resource_group"
+  location            = var.location
+  resource_group_name = var.rg
 
   ip_configuration {
     name                          = "tfpredaynicconfig"
-    subnet_id                     = "azurerm_subnet.predayvnet.subnets[0]}"
+    subnet_id                     = azurerm_subnet.predaysubnet.id
     private_ip_address_allocation = "Dynamic"
   }
 }

Terraform/02 - Variables/Code/provider.tf

@@ -1,5 +1,4 @@
 # Configure the Azure Provider
 provider "azurerm" {
-  # whilst the `version` attribute is optional, we recommend pinning to a given version of the Provider
-  version = "=1.34.0"
+  version = "~>1.35.0"
 }

Terraform/02 - Variables/Code/terraform.tfvars

@@ -0,0 +1,2 @@
+rg = "" ## Enter the resource group pre-created in your lab
+location = "" ## Enter the azure region for your resources

Terraform/02 - Variables/Code/variables.tf

@@ -1,9 +1,9 @@
-variable "my_resource_group" {
-  description = "Resource group to put resources into"
-  default     = "<<<NAME OF YOUR RESOURCE GROUP>>>"
+variable "rg" {
+  type        = "string"
+  description = "Name of Lab resource group to provision resources to."
 }
 
 variable "location" {
+  type        = "string"
   description = "Azure region to put resources in"
-  default     = "East US"
 }

Terraform/02 - Variables/Code/vm.tf

@@ -1,8 +1,10 @@
-resource "azurerm_virtual_machine" "example" {
+# Configure Virtual Machine
+resource "azurerm_virtual_machine" "predayvm" {
   name                  = "tfignitepredayvm"
-  location              = "var.location"
-  resource_group_name   = "var.my_resource_group"
+  location              = var.location
+  resource_group_name   = var.rg
   vm_size               = "Standard_DS1_v2"
+  network_interface_ids = [azurerm_network_interface.predaynic.id]
 
   storage_image_reference {
     publisher = "Canonical"
@@ -10,15 +12,21 @@ resource "azurerm_virtual_machine" "example" {
     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  = "hostname"
     admin_username = "testadmin"
     admin_password = "Password1234!"
   }
+
+  os_profile_linux_config {
+    disable_password_authentication = false
+  }
 }

Terraform/02 - Variables/Code/vnet.tf

@@ -0,0 +1,15 @@
+# Configure Vnet -- pull subnet out to its own resource to demonstrate references / dependencies
+resource "azurerm_virtual_network" "predayvnet" {
+  name                = "tfignitepreday"
+  location            = var.location
+  resource_group_name = var.rg
+  address_space       = ["10.0.0.0/16"]
+}
+
+# Configure Subnet
+resource "azurerm_subnet" "predaysubnet" {
+  name                 = "default"
+  resource_group_name  = var.rg
+  virtual_network_name = azurerm_virtual_network.predayvnet.name
+  address_prefix       = "10.0.1.0/24"
+}

Terraform/03 - Helpers/code/nic.tf

@@ -0,0 +1,13 @@
+#Configure Network Interface# Configure Network Interface
+resource "azurerm_network_interface" "predaynic" {
+  name                = "tfignitepredaynic"
+  location            = var.location
+  resource_group_name = var.rg
+
+  ip_configuration {
+    name                          = "tfpredaynicconfig"
+    subnet_id                     = azurerm_subnet.predaysubnet.id
+    private_ip_address_allocation = "Dynamic"
+  }
+  tags                = var.tags
+}

Terraform/03 - Helpers/code/provider.tf

@@ -0,0 +1,4 @@
+# Configure the Azure Provider
+provider "azurerm" {
+  version = "~>1.35.0"
+}

Terraform/03 - Helpers/code/terraform.tfvars

@@ -0,0 +1,30 @@
+rg = "" ## Enter the resource group pre-created in your lab
+location = "" ## Enter the azure region for your resources
+securityGroupRules = [
+      {
+          name                  = "DNS"
+          priority              = 100
+          protocol              = "*"
+          destinationPortRange  = "53"
+      },
+      {
+          name = "HTTPS"
+          priority              = 150
+          protocol              = "tcp"
+          destinationPortRange  = "443"
+      },
+      {
+          name = "WHOIS"
+          priority              = 200
+          protocol              = "tcp"
+          destinationPortRange  = "43"
+      },
+  ]
+
+tags = {
+    event           = "Ignite"
+    year            = "2019"
+    session_id      = "PRE04"
+    iac_tool        = "terraform"
+    lab             = "4"
+  }

Terraform/03 - Helpers/code/variables.tf

@@ -0,0 +1,24 @@
+variable "rg" {
+  type        = "string"
+  description = "Name of Lab resource group to provision resources to."
+}
+
+variable "location" {
+  type        = "string"
+  description = "Azure region to put resources in"
+}
+
+variable "securityGroupRules" {
+  type        = list(object({
+    name                  = string
+    priority              = number
+    protocol              = string
+    destinationPortRange  = string
+  }))
+  description = "List of security group rules"
+}
+
+variable "tags" {
+  type        = map(string)
+  description = "tags to be used with all resources in the lab"
+}

Terraform/03 - Helpers/code/vm.tf

@@ -0,0 +1,34 @@
+# Configure Virtual Machine
+resource "azurerm_virtual_machine" "predayvm" {
+  name                  = "tfignitepredayvm"
+  location              = var.location
+  resource_group_name   = var.rg
+  vm_size               = "Standard_DS1_v2"
+  network_interface_ids = [azurerm_network_interface.predaynic.id]
+
+  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  = "hostname"
+    admin_username = "testadmin"
+    admin_password = "Password1234!"
+  }
+
+  os_profile_linux_config {
+    disable_password_authentication = false
+  }
+
+  tags                = var.tags
+}

Terraform/03 - Helpers/code/vnet.tf

@@ -0,0 +1,43 @@
+# Configure Vnet -- pull subnet out to its own resource to demonstrate references / dependencies
+resource "azurerm_virtual_network" "predayvnet" {
+  name                = "tfignitepreday"
+  location            = var.location
+  resource_group_name = var.rg
+  address_space       = ["10.0.0.0/16"]
+  tags                = var.tags
+}
+
+# Configure Subnet
+resource "azurerm_subnet" "predaysubnet" {
+  name                 = "default"
+  resource_group_name  = var.rg
+  virtual_network_name = azurerm_virtual_network.predayvnet.name
+  address_prefix       = "10.0.1.0/24"
+}
+
+resource "azurerm_network_security_group" "predaysg" {
+  name                = "default-rules"
+  location            = var.location
+  resource_group_name = var.rg
+
+  dynamic "security_rule" {
+    for_each = var.securityGroupRules
+
+    content {
+      name                       = lower(security_rule.value.name)
+      priority                   = security_rule.value.priority
+      direction                  = "Inbound"
+      access                     = "Allow"
+      protocol                   = title(security_rule.value.protocol)
+      source_port_range          = "*"
+      destination_port_range     = security_rule.value.destinationPortRange
+      source_address_prefix      = "*"
+      destination_address_prefix = "VirtualNetwork"
+    }
+  }
+}
+
+resource "azurerm_subnet_network_security_group_association" "preday" {
+  subnet_id                 = azurerm_subnet.predaysubnet.id
+  network_security_group_id = azurerm_network_security_group.predaysg.id
+}

Terraform/04 - Security/Code - Part 2/nic.tf

@@ -1,5 +1,5 @@
 # Configure Network Interface
-resource "azurerm_network_interface" "tf_pre-day" {
+resource "azurerm_network_interface" "predaynic" {
   name                = "tfignitepredaynic"
   location            = var.location
   resource_group_name = var.rg

Terraform/04 - Security/Code - Part 2/vnet.tf

@@ -1,4 +1,4 @@
-# Configure VNet and Subnet
+# Configure VNet
 resource "azurerm_virtual_network" "predayvnet" {
   name                = "tfignitepreday"
   location            = var.location