Azure Update Manager series — Configure Event Subscription for Azure Functions

Are you thrilled for the last part of this series? I am glad to have you back for the last spicy part where you’ll learn to tie everything together that has been built so far!

It’s good to look back at what was done already:

1. In the first part, we have configured the Maintenance Configuration and Assignment
2. The second part showcased how you can create Functions that have become responsible for starting and stopping Azure VMs
3. Part three leveraged the Azure Verified Modules once more to deploy the Functions to an Azure Function App solution

As you’ve learned in part three, we were not able to fully deploy the solution to stitch the pre- and post-events to an Event Subscription because the functions needed to be deployed first.

The Azure Function is now deployed, including the pre- and post-event triggers. Let’s get started by creating the required resources to register Events.

Create System Topic and Event Subscriptions

There are multiple types of “Topics” in the Event Grid resource type, but the most commonly used one is the System Topic.