Azure Deployment Options

Before Ignite 2018 Azure Resource Manager (ARM) and specifically ARM templates are the only deployment option available. I am excluding Azure CLI, AzureRM PowerShell, SDKs, etc. from this list of course. At Ignite 2018 Microsoft has announced two other options – Azure Blueprints and Azure Deployment Manager (ADM). This blog will express my opinion on this matter. You are free to express your opinion as well and to disagree with me. I will not focus on comparing heavily those 3 nor trying to bash one service over another instead I will write the reasons why I think still Azure Resource Manager deployments should be your first choice as they are mine.

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What is Azure Schema?

Recently I’ve published blog post Subscription Level Deployment Schema. When I published it I was not aware that not so many people know what the schemas are used and needed for. With this blog post I want to address this.

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Subscription Level Deployment Schema

Not so long ago in Azure we only had resource group level deployment but a couple of months ago subscription level deployments were implemented. On resource group level we deploy resources like Azure VMs, Service Apps, Azure SQL databases, etc and on subscription level we deploy policy definitions and assignments, resource groups (yes they are resource as well), custom RBAC roles, etc. Because of that it the schema in the ARM templates for resource group and subscription level deployments is different. This is something I haven’t thought about it around the excitement of this new deployment method but my good friend Kristian Nese tipped me. So here are the schemas you should use depending on your deployment:

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Demystifying Azure Policies with ARM Templates

In my blog post Defining Input Parameters For Policy Definitions in ARM Template I’ve showed you how to use deploy policy definitions with parameters via ARM template. I didn’t described completely on why such workaround is needed but I think now it is good time to explain that as well. The topic is a little bit complex so I hope my explanation will help you understand it.

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Platform Image Azure Policy Definition Example

Azure Policy team has a GitHub repository of Policy definitions examples. Recently I’ve been looking at some of the examples there and I’ve noticed that one of them was not working correctly. Specifically I am referring to Platform Image Policy. Additionally the example contains only the rules. It does not have ARM template for deploying the definition. You will notice also that the policy is pretty static as it does not contain parameters. Because of that based on that sample I would like to create an example on my own and show it to you.

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