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feat(plugin) Implement AWS Dynamic Host Catalog Cross-Account Discovery - #95

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matt-romanelli merged 9 commits into
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llb-icu-19968
Sep 29, 2026
Merged

matt-romanelli merged 9 commits into
mainfrom
llb-icu-19968

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@matt-romanelli

@matt-romanelli matt-romanelli commented Sep 24, 2026 •

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RFC: https://github.com/hashicorp/boundary-enterprise/blob/main/docs/rfcs/icu-2018-cross-account-dhc-discovery.md

Testing

  • Automated terraform test cases have been added for single-account, cross-role, and cross-account AssumeRole and those all pass
  • Manual testing has also taken place to confirm that cross-account discovery works as expected

PCI review checklist

  • I have documented a clear reason for, and description of, the change I am making.

  • If applicable, I've documented a plan to revert these changes if they require more than reverting the pull request.

  • If applicable, I've documented the impact of any changes to security controls.

    Examples of changes to security controls include using new access control methods, adding or removing logging pipelines, etc.

@matt-romanelli
matt-romanelli marked this pull request as ready for review September 25, 2026 17:28
@matt-romanelli
matt-romanelli requested a review from a team as a code owner September 25, 2026 17:28
matt-romanelli and others added 9 commits September 28, 2026 12:00
)

* Allow nil setAttributes

* move the nil check

---------

Co-authored-by: Delaine Rogers <delainerogers@dhcp-9-16-190-160.sjs-us.ibm.com>
…et handlers (ICU-19979) (#87)

* temporary commit

* feat(host): replace dryRunValidation with checkHosts in catalog and set handlers

* refactor(host): clean up comments and fix typos in dry-run validation blocks

* refactor(host): address PR feedback on dry-run validation blocks

* refactor(host): remove dead dryRunValidation function and its tests

* refactor(host): extract dry run error message as a constant

* refactor(host): propagate BadRequestStatusf from buildFilters through buildDescribeInstancesInput

---------

Co-authored-by: ryanflynn9299 <ryan.flynn001@gmail.com>
…ic (#91)

* feat(cli) Update error handling for checkHosts, Target EC2 client logic

* feat(cli) Add UnauthorizedOperation handling to errors.go
* Fix role arn fallthrough bug

* add unit test

* bump awsutil version

* fix tests
…89)

* feat(tests) Add Terraform testing to support Cross-account discovery

**Problem**
* To support cross-account DHC discovery, we need to add terraform configurations and tests to test against live AWS data.
* However, there was nothing in place to support any AssumeRole testing, irrespective of cross-account.

**Solution**
* Added a new terraform file, iam_assume_role.tf, to contain the new terraform configurations for single-account AssumeRole and cross-role
* Added a second terraform file, iam_cross_account.tf, to contain the new terraform configurations for cross-account
* Refactored how the tests are organized. The previous static test cases used a system where a separate function was created for each test. This was moved to a dedicated file, e2e_host_static_test.go.
* For AssumeRole tests (single account, cross role, and cross account), this system wasn't ideal since there are so many test cases and they are all extremely similar. A table driven system was better that passed in a set of variables to shared test helpers. A dedicated file, e2e_host_assumerole_test.go, was created to contain the testing infrastructure for AssumeRole tests.
* e2e_host_test.go remains the main test runner that then calls e2e_host_assumerole_test.go and e2e_host_static_test.go
* The terraform tests work by setting environment variables for the AWS account that you want to configure the terraform for. The existing setup worked for single-account and cross-role. However, to support cross-account, support had to be added for a second set of credentials. The second set of environment variables can now be set with the TARGET_ prefix. Some configuration in testing.go had to be added to support creating/destroying multiple terraform setups.

**Testing**
* The single account tests pass as expected. However, a bug was discovered during this process that will be addressed later.
* The cross-role and cross-account tests failed as expected because this featured has not yet been delivered.
* It was noticed that some of the existing static tests were flaky. The problem and fix were identified and will be addressed later.
* bug(go) gRPC status codes were getting overwritten by the handlers

**Problem**
* If the gRPC handlers received an error with a gRPC status code from checkHosts, it got overwritten by a plain error value.

**Solution**
* Added a check to each checkHosts call that passes on the error received (with its gRPC status)

**Testing**
* Added new unit tests for when the handlers receive an error from checkHosts with a status code.
* Existing unit tests and terraform tests passed
@matt-romanelli
matt-romanelli merged commit 4db0dec into main Sep 29, 2026
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