Note: This page is about Terraform 0.12 and later. For Terraform 0.11 and earlier, see 0.11 Configuration Language: Interpolation Syntax.
abs returns the absolute value of the given number. In other words, if the
number is zero or positive then it is returned as-is, but if it is negative
then it is multiplied by -1 to make it positive before returning it.
> abs(23) 23 > abs(0) 0 > abs(-12.4) 12.4