Azure Classroom Series – 13/Jul/2021

Structure and Syntax of ARM Templates

  • Refer Here for the official documentation
  • The skeleton
{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "",
  "apiProfile": "",
  "parameters": {  },
  "variables": {  },
  "functions": [  ],
  "resources": [  ],
  "outputs": {  }
}
  • ARM Template Elements
    • $schema: Describes the version of template language. The version used depends on the scope of deployment and JsonEditior Preview
    • contentVersion: This represents the version of template. We can provide any value for this generally the following notation (x.x.x.x => 1.0.0.1) is recommended
    • apiProfile: An API version that servers collection of API versions for resource types
    • parameters: Values that are provided when deployment is executed
    • variables: Used and created within template to simplify template expressions
    • functions: User-defined functions that are available within the template
    • resources: Resource Types that are deployed or updated in Resource group or subscription
    • outputs: values are returned after deployment

Setting up Visual Studio code for ARM Templates

  • Install Azure Resource Manager tools extension Preview
  • This extension will help in authoring/developing arm templates

Activity 1: Create a Virtual Network

  • Lets try to create an ARM Template which will create a Virtual Network with 2 subnets

    • Virtual Network cidr range => 10.10.0.0/16 (10.10.0.0 – 10.10.255.255)
    • web subnet cidr range => 10.10.0.0/24 (10.10.0.0 – 10.10.0.255)
    • app subnet cidr rnage => 10.10.1.0/24 (10.10.1.0 – 10.10.1.255)
  • Manual Steps: Preview Preview Preview Preview Preview Preview Preview Preview

  • In this example we are creating a virtual network with two subnets. The main resource which we are creating is a virtual network

  • Writing ARM Template

    • Create a json file and create and empty template (arm!)
    • Virtual network resource documentation Refer Here
    • Refer Here for the tempalte created in the class
    • Steps:
    • Create-> Template Depoyment Preview Preview Preview Preview Preview Preview Preview

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