Capturing a virtual machine image is a crucial step in creating reusable, standardized deployments in Azure. In this second part of our Azure VM Scale Set series, we’ll walk you through the process of capturing a VM image using Azure Compute Gallery. This ensures consistency and efficiency when scaling your infrastructure or deploying identical VMs (VMSS) across your environment.
What is an Azure Compute Gallery?
Azure Compute Gallery (formerly known as Shared Image Gallery) is a service in Microsoft Azure that simplifies the management, storage, and sharing of custom virtual machine images. It allows you to create, manage, and distribute custom images efficiently across multiple Azure regions, enabling standardized deployments and scaling for large environments.
Note: this is a continuation from the article Azure VM Scale Set #Part 1: How to Connect and Add a Data Disk to a Windows VM Make sure to go over that before moving on.
Let us dive into the compute gallery setup!
Part 2: How to Capture the image of a Virtual Machine
Step 1: Create an Azure Compute Gallery
Search Compute gallery in the Azure portal and select the highlighted option
Click on Create
Select the same Resource group allocated to the VM
Give the compute gallery a Name
You can also add a Description (optional)
Take the rest of the settings as default
Click Review and create
- Click Go to resource
Step 2: Capture the image of a VM and store in a Compute Gallery
- Go back to the VM created
Click on the Capture button and select Image from the drop-down
Make sure the VM and the compute gallery are in the same resource group.
Select the Compute gallery created
- In the Operating system state, select Specialized Note: If Generalized, the VMs created from the image would require admin user (user/password) and other VM setups, while Specialized is already configured.
- In the Target VM image definition section, Create new
- Give the VM image a Name
Select Ok
Give the VM image a Version number
Click on Review and create.
- Wait till deployed and click Go to resource
CONTINUE TO THE NEXT PART
Azure VM Scale Set #Part 3: How to Create a Virtual Machine scale set in Azure
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