isabella232 / wordpress-image-builder

Create a Wordpress image for an Azure Virtual Machine image using Azure Image Builder

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sample	azurecli	virtual-machines azure image-builder	Create a Wordpress image for an Azure Virtual Machine image using Azure Image Builder

Create a Wordpress image for an Azure Virtual Machine image using Azure Image Builder

Azure Image Builder is an Azure service that allows you to create predefined images with the required settings and software that meets your corporate standards, all of this being done in an automated approach that guarantees consistency and allows you to version version your images while managing them as code.

When building images with Azure Image Builder you will start with a Linux or Windows base image on top of which you will add your customizations as-code. The solution is based on HashiCorp Packer but being a managed service in Azure.

This service allows you to provide some contents and scripts to automate the Virtual Machine configuration and will perform all the necessary steps to generate, generalize and publish your virtual machine image.

Once you have an image ready you can publish it in the Azure Shared Image Gallery or use it as a managed image in VHD that you can later use as part of your automation.

Features

The sample provides:

• A script to take care of all of the prerequisites to use Azure image builder:
  • Azure provider registrations
  • Resource Group creation
  • User-assigned identity and permissions.
  • Image definition and gallery settings
• A template used to configure the image, this file will:
  • Define the base image to use and VM profile, in this case it will use Ubuntu 18.04 on a Standard_D1_v2 VM.
  • Include the customization script and the commands to run it. In this sample the script will install Wordpress
  • Image Gallery configuration

Getting Started

Prerequisites

Download the image builder script and edit the environment variable section to match your deployment, provide inputs for the variables as follows:

Variable	Description	Example
rg_name	Resource group name	image_builder_rg
location	Main Azure Datacenter location	westeurope
replicated_location	Additional region to replicate the image to	northeurope
image_gallery	Azure Compute Image Gallery nameame of the image definition to be created	ib_gallery
image_def_name	Name of the image definition	ib_imagedef
image_metadata	Name for the image distribution metadata reference	ib_premium
subscription_id	Subscription ID of the RG you will use	xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
publisher	Name of the company or person that will publish the image	ib_publishing
sku	Define a SKU for your image	premium
offer	Image offer	ib_offer

Installation

Follow these steps to deploy the sample:

• Sign in with Azure CLI

az login

• Run the image builder script

. ./image-builder.sh

Testing

After the script has finished its run, test the image by creating a VM.

az network nsg create -g $rg_name -n wordpressnsg
az network nsg rule create \
  --resource-group $rg_name \
  --nsg-name wordpressnsg \
  --name allow-http \
  --protocol tcp \
  --priority 100 \
  --destination-port-range 80 \
  --access Allow
az vm create \
  --resource-group $rg_name \
  --name wordpressvm \
  --admin-username aibuser \
  --location $location \
  --image "/subscriptions/$subscription_id/resourceGroups/$rg_name/providers/Microsoft.Compute/galleries/$image_gallery/images/$image_def_name/versions/latest" \
  --generate-ssh-keys \
  --nsg wordpressnsg

Get the public IP address of the VM by running:

az vm list-ip-addresses -n wordpressvm --query [0].virtualMachine.network.publicIpAddresses[0].ipAddress -o tsv

Access the IP address via a web browser and Wordpress should be deployed.

Additional resources

• Azure Shared Image Gallery CLI.
• Building a Linux VM image using Azure Image Builder
• Image Builder template reference.