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azure-rm-template

If condition in ARM Template

Is it possible to set a value based on parameter value?

Let's say I have a reource in my arm template as follows:

parameters:

env
param1
param2

resources:

{
  "type": "Microsoft.Resources/deployments",
  "apiVersion": "2018-05-01",
  "url": <value-based-on-if-condition>
}

If parameter('env') = "a", set url value = parameter('param1').

If parameter('env') = "b", set url value = parameter('param2')

Solution

  • You can use if function in the ARM Template like:

    if(condition, trueValue, falseValue)

    Please refer this documentation for explanation and examples.