aws_eip data source missing support to return multiple eips

[Dchamard]

Description

We are trying to get multiple eips back to be able to whitelist them.
We are filtering them by tag and we expect to have multiple EIPs returned by the datasource but
we are getting this error:

data.aws_eip.revproxy[0]: data.aws_eip.revproxy.0: multiple Elastic IPs matched; use additional constraints to reduce matches to a single Elastic IP

[tomelliff]

The standard way of doing this is to create an aws_eips (note the plural) data source so that there is a data source that returns a list of the IDs of multiple things that match and then further information can be found by using the singular version of the data source (aws_eip in this case) to get more information such as the IP address from them.

This should probably be labelled with new-data-source and service/ec2.

[Dchamard]

@bflad I submitted a Pull request for this.

[eshleebien]

Would be nice to have this! 🎉

[github-actions]

This functionality has been released in v4.0.0 of the Terraform AWS Provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template. Thank you!

[github-actions]

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