aws_db_instance_invalid_engine.md

aws_db_instance_invalid_engine

Disallow using invalid engine name.

Example

resource "aws_db_instance" "default" {
  allocated_storage    = 20
  engine               = "mysql57" // invalid engine name!
  engine_version       = "5.7"
  instance_class       = "db.t2.micro"
  name                 = "mydb"
  username             = "foo"
  password             = "bar"
  db_subnet_group_name = "my_database_subnet_group"
  parameter_group_name = "default.mysql5.6"
}

$ tflint
1 issue(s) found:

Warning: "mysql57" is invalid engine. (aws_db_invalid_engine)

  on template.tf line 3:
   3:   engine               = "mysql57" // invalid engine name!
 

Why

Apply will fail. (Plan will succeed with the invalid value though)

How To Fix

Select valid engine name according to the document