HashiCorp Terraform Certified Associate Preparation Guide/

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Terraform Built-in Functions to Write Configuration

Terraform Built-in Functions to Write Configuration

Learn about Terraform built-in functions that can be used to write configuration.

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Function categories

The format of data returned by data sources and resources may not be in the format we need to pass to another resource. We may also want to transform outputs from a module, combine variables, or read in file data. Terraform offers built-in functions to perform many of these tasks. There are nine different function categories:

  • Numeric
  • String
  • Collection
  • Encoding
  • Filesystem
  • Date and time
  • Hash and crypto
  • IP network
  • Type conversion
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