Up:: Microsoft Azure Developer Associate AZ-204 2023

Azure Arm Templates

Introduction to ARM Templates - What Is IaC (Infrastruction as Code) - managing and provisioning computer data centers using scripts or machine readable definition files like JSON - Two types - Declarative - Know exactly what you want - Imperative - Know some of what you want and service fills in the blanks - ARM Templates are JSON files that define azure resources - declarative - reduce configuration mistakes - With ARM templates your can - declarative - establish base line for compliance - Modularity - … - Skeleton - $schema - rules for definition - contentVersion - version of the template - apiProfile - - parameters - variables - functions - resources - outputs - ARM Template Resources - Resource you want to provision - type - apiVersion - name - has to be unique - location - region to deploy in - Other properties - dependant on resource type - ARM Template Paramaters - pass variables to the ARM Template - type - defaultValue - allowedValues - minValue - maxValue - minLength - maxLength - description - ARM Template Functions - Allow transformations for variables - Built In Functions - Array - Comparison - Date - Deployments - Logical - Numerical - Object - Resource - String - ARM Templates Variables - Used to simplify ARM Templates - ARM Templates Outputs - Return values from deployed resource so you can use it programmatically

• 02:47:13 ARM Templates Follow Along
  • Search for Deployments
  • Select Custom Templates
  • Add resource by using the Add Resource button
  • Copy Code to save to change later, templates once saved can’t be edited
  • Use Worf for all inputs
  • Template generated has the wrong VM Size in the variables
  • Deploys all it can
  • No Rollback feature
  • Have to delete all resources and template to replace template
  • Export resource group items as template to use them later - Good for exporting
• ARM Templates Cheat Sheet
  • IaC
    • Declarative
    • Imperative
  • JSON Files
  • Know the structure of the templates

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