ARM Templates

Syntax or Structure of ARM Templates

• Refer Here for official docs from Microsoft
• Structure is

{
  "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
  "contentVersion": "",
  "apiProfile": "",
  "parameters": {  },
  "variables": {  },
  "functions": [  ],
  "resources": [  ],
  "outputs": {  }
}

• variables section will define calculated fields in template.
• parameters section will define user inputs to template
• Resources section will be used to define the resources in azure you want to create.
• schema section defines kind of deployment. For every deployment we have a fixed value
  • Resource Group Deployment: https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#
  • Subscription Deployment: https://schema.management.azure.com/schemas/2018-05-01/subscriptionDeploymentTemplate.json#
• contentVersion is the version of your template. Its user defined value
• Required sections are
  • $schema
  • contentVersion
  • resources

ARM Template for Storage Account Creation

• Create a directory

mkdir hello-arm
new-item main.json

• Open VSCode and Install Extension for ARM Template as shown below
• Lets try to build basic skeleton for ARM Template with Resource Group Deployment for

{
    "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
    "contentVersion" : "0.0.1",
    "resources": [] 
}

• Navigate to template reference Section or click here
• Using the Resource Definition available from https://docs.microsoft.com/en-us/azure/templates/microsoft.storage/2019-04-01/storageaccounts create a resource in json

{
    "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
    "contentVersion": "0.0.0.1",
    "resources": [
        {
            "name": "qtstoragearmdemo",
            "type": "Microsoft.Storage/storageAccounts",
            "apiVersion": "2019-04-01",
            "sku":{
                "name": "Standard_LRS"
            },
            "kind":"StorageV2",
            "location":"Central US",
            "properties":{
                "accessTier":"Hot"
            }


        }
    ]

}

• Lets Deploy this template as mentioned in the docs over here