Terraform AWS provider: assume role property

https://docs.aws.amazon.com/STS/latest/APIReference/API_AssumeRole.html

Terraform provider AWS:

provider "aws" {
  region     = var.region
  version    = ">= 0.13"
  assume_role {
    role_arn = "$(AWS_ROLE_ARN)"
  }
} 

See also

• AWS STS (sts:), aws sts [ get-session-token | get-caller-identity | assume-role | assume-role-with-web-identity | assume-role-with-saml | get-access-key-info ]
• STS, AWS Security Token Service (STS), aws sts, Terraform AWS provider: assume_role