Terraform : terraform console

1.evaluating expressions

The terraform console command provides an interactive console for evaluating expressions.

For example:

# interactive console
➜ terraform console
> element(list("one","two","three"),1)
two

# non-interactive scripts
➜ echo "list("1","2")" | terraform console
[
  1,
  2,
]

or

➜ terraform console
> aws_instance_demo.public_ip
54.152.62.34

2.test Terraform built-in functions locally

test Terraform built-in functions locally

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More ref:
https://www.terraform.io/docs/commands/console.html
http://artemstar.com/2018/03/03/terraform-test-functions/

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