Azure Resource Manager (ARM) concept - Step-by-Step Execution

Process Flow - Azure Resource Manager (ARM) concept

User defines ARM template

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Submit template to Azure Resource Manager

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ARM validates template syntax and permissions

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ARM creates or updates resources as defined

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Resources deployed and managed as a group

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User can track deployment status and outputs

This flow shows how a user submits an ARM template to Azure Resource Manager, which validates and deploys resources as a group, allowing easy management and tracking.

Execution Sample

Azure

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "resources": [
    { "type": "Microsoft.Storage/storageAccounts", "name": "mystorageacct", "apiVersion": "2022-09-01", "location": "eastus", "sku": { "name": "Standard_LRS" }, "kind": "StorageV2" }
  ]
}

This ARM template defines a storage account resource to be deployed in Azure.

Process Table

Step	Action	Evaluation	Result
1	User submits ARM template	Template JSON received	Template accepted for processing
2	ARM validates template syntax	Checks JSON schema and required fields	Validation successful
3	ARM checks user permissions	Verifies user can create storage accounts	Permissions confirmed
4	ARM starts resource deployment	Creates storage account resource	Resource creation initiated
5	ARM monitors deployment status	Checks provisioning state	Resource deployed successfully
6	ARM returns deployment outputs	Outputs deployment details	User notified of success

💡 Deployment completes successfully after all resources are created and validated.

Status Tracker

Variable	Start	After Step 2	After Step 3	After Step 5	Final
Template	Not submitted	Validated	Validated	Validated	Validated
Permissions	Unknown	Unknown	Confirmed	Confirmed	Confirmed
Deployment Status	Not started	Not started	Not started	Succeeded	Succeeded

Key Moments - 3 Insights

Why does ARM validate the template before deploying resources?

ARM validates the template syntax and required fields first (see Step 2 in execution_table) to prevent deployment errors and ensure the template is correct.

What happens if the user lacks permissions to create resources?

ARM checks permissions after validation (Step 3). If permissions are missing, deployment stops to avoid unauthorized resource creation.

How does ARM manage multiple resources in one deployment?

ARM treats all resources in the template as a group and deploys them together, allowing tracking and rollback if needed (Step 4 and 5).

Visual Quiz - 3 Questions

Look at the execution_table, at which step does ARM confirm user permissions?

A Step 2

B Step 3

C Step 4

D Step 5

💡 Hint

Check the 'Action' column for permission verification in execution_table row 3.

According to variable_tracker, what is the deployment status after Step 3?

A Succeeded

B Failed

C Not started

D In progress

💡 Hint

Look at the 'Deployment Status' row under 'After Step 3' in variable_tracker.

If the template had syntax errors, which step in execution_table would fail?

A Step 2

B Step 4

C Step 1

D Step 6

💡 Hint

Refer to the 'ARM validates template syntax' action in execution_table row 2.

Concept Snapshot

Azure Resource Manager (ARM) lets you deploy and manage Azure resources as a group.
You write a JSON template describing resources.
Submit it to ARM, which validates and deploys all resources together.
ARM tracks deployment status and outputs results.
This makes managing cloud resources easier and consistent.

Full Transcript

Azure Resource Manager (ARM) is a service that helps you deploy and manage resources in Azure. You create a JSON template that describes what resources you want, like storage accounts or virtual machines. When you submit this template to ARM, it first checks if the template is correct and if you have permission to create those resources. Then, ARM creates all the resources as a group and keeps track of the deployment progress. Once done, it tells you if everything worked or if there were problems. This process helps you manage your cloud resources easily and reliably.