r/aws_cur_report_definition: Allow an empty ("") value for s3_prefix

[ewbankkit]

Rollback Plan

If a change needs to be reverted, we will publish an updated version of the library.

Changes to Security Controls

Are there any changes to security controls (access controls, encryption, logging) in this pull request? If so, explain.

Description

For backwards compatibility we must allow the empty string ("") as a valid value for the now Required s3_prefix argument.

Relations

Closes #43153.

Output from Acceptance Testing

% make testacc TESTARGS='-run=TestAccCUR_serial/ReportDefinition' PKG=cur 
make: Verifying source code with gofmt...
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go1.24.4 test ./internal/service/cur/... -v -count 1 -parallel 20  -run=TestAccCUR_serial/ReportDefinition -timeout 360m -vet=off
2025/06/24 11:57:51 Creating Terraform AWS Provider (SDKv2-style)...
2025/06/24 11:57:51 Initializing Terraform AWS Provider (SDKv2-style)...
=== RUN   TestAccCUR_serial
=== PAUSE TestAccCUR_serial
=== CONT  TestAccCUR_serial
=== RUN   TestAccCUR_serial/ReportDefinition
=== RUN   TestAccCUR_serial/ReportDefinition/basic
=== RUN   TestAccCUR_serial/ReportDefinition/disappears
=== RUN   TestAccCUR_serial/ReportDefinition/athena
=== RUN   TestAccCUR_serial/ReportDefinition/refresh
=== RUN   TestAccCUR_serial/ReportDefinition/DataSource_basic
=== RUN   TestAccCUR_serial/ReportDefinition/DataSource_additional
=== RUN   TestAccCUR_serial/ReportDefinition/tags
=== PAUSE TestAccCUR_serial/ReportDefinition/tags
=== RUN   TestAccCUR_serial/ReportDefinition/textOrCsv
=== RUN   TestAccCUR_serial/ReportDefinition/parquet
=== RUN   TestAccCUR_serial/ReportDefinition/overwrite
=== RUN   TestAccCUR_serial/ReportDefinition/upgradeNoPrefixFromV5
=== CONT  TestAccCUR_serial/ReportDefinition/tags
--- PASS: TestAccCUR_serial (336.30s)
    --- PASS: TestAccCUR_serial/ReportDefinition (289.76s)
        --- PASS: TestAccCUR_serial/ReportDefinition/basic (37.37s)
        --- PASS: TestAccCUR_serial/ReportDefinition/disappears (23.01s)
        --- PASS: TestAccCUR_serial/ReportDefinition/athena (24.78s)
        --- PASS: TestAccCUR_serial/ReportDefinition/refresh (25.01s)
        --- PASS: TestAccCUR_serial/ReportDefinition/DataSource_basic (22.89s)
        --- PASS: TestAccCUR_serial/ReportDefinition/DataSource_additional (22.47s)
        --- PASS: TestAccCUR_serial/ReportDefinition/textOrCsv (24.26s)
        --- PASS: TestAccCUR_serial/ReportDefinition/parquet (24.26s)
        --- PASS: TestAccCUR_serial/ReportDefinition/overwrite (24.18s)
        --- PASS: TestAccCUR_serial/ReportDefinition/upgradeNoPrefixFromV5 (61.51s)
        --- PASS: TestAccCUR_serial/ReportDefinition/tags (46.54s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/cur	341.226s

[github-actions]

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[jar-b]

LGTM 🚀

[github-actions]

Warning

This Issue has been closed, meaning that any additional comments are much easier for the maintainers to miss. Please assume that the maintainers will not see them.

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[sebastien-plaquet]

Thank you @ewbankkit !

Best regards.
Sébastien

[github-actions]

This functionality has been released in v6.1.0 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!