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Add support for catalog federation in the CLI #1912

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The CLI currently only supports the version of EXTERNAL catalogs that was present in 0.9.0. Now, EXTERNAL catalogs can be configured with various configurations relating to federation. This PR updates the CLI to better match the REST API so that federated catalogs can be easily set up in the CLI.

@eric-maynard eric-maynard changed the title Add support for catalog federation in CLI Add support for catalog federation in the CLI Jun 20, 2025
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Sorry for the lateness. Overall LGTM! All related properties in the spec seem to have a correct correspondence in the argument list.

--catalog-role-session-name (For authentication type SIGV4) The role session name to be used by the SigV4 protocol for signing requests
--catalog-external-id (For authentication type SIGV4) An optional external id used to establish a trust relationship with AWS in the trust policy
--catalog-signing-region (For authentication type SIGV4) Region to be used by the SigV4 protocol for signing requests
--catalog-signing-name (For authentication type SIGV4) The service name to be used by the SigV4 protocol for signing requests, the default signing name is "execute-api" is if not provided
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[Non-blocker] I think it will be good to provide some example of creating an external "Iceberg_rest"/"hadoop" catalog with various auth types, may be in a follow-up

@github-project-automation github-project-automation bot moved this from PRs In Progress to Ready to merge in Basic Kanban Board Jun 27, 2025
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