The example is referencing a non-existent variable, `allocation_id`, within the `aws_eip` resource. I believe this should actually be `aws_eip.example.id` instead of `aws_eip.example.allocation_id`.
* New top level AWS resource aws_eip_association
* Add documentation for aws_eip_association
* Add tests for aws_eip_association
* provider/aws: Change `aws_elastic_ip_association` to have computed
parameters
The AWS API was send ing more parameters than we had set. Therefore,
Terraform was showing constant changes when plans were being formed