The Definitive Guide to AWS Infrastructure Automation by Bradley Campbell

Author:Bradley Campbell
Language: eng
Format: epub
ISBN: 9781484253984
Publisher: Apress

Listing 4-24plan Command with Staging and Prod tfvars files

As you perhaps suspected, our threshold is now 70% as specified by the prod.tfvars file listed in Listing 4-23. While specifying the prod.tfvars file directly after specifying the stg.tfvars file is a bit contrived, it does demonstrate the fact that Terraform uses the value in the last-specified tfvars file, if more than one is specified and more than one of the files contain a value for the given parameter. Listing 4-25 shows how the solution looks if we incorporate the idea of a region-specific tfvars file that is meant to override a global file.$ tree -I 'setup'

.

├── app.tf

├── prod

│ ├── globals.tfvars

│ ├── us-east-1.tfvars

│ └── us-west-2.tfvars

└── qa

├── globals.tfvars

├── us-east-1.tfvars

└── us-west-2.tfvars

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