Added --directory to `rpm content -t package upload`.

[ggainey]

This finds all *.rpm in the specified directory and arranges for them to be added to the specified --repository, and then publishes the final resulting repository-version.

closes #994.

[ggainey]

This is a modification of the approach in https://github.com/pulp/pulp-cli/pull/1000 that does not rely on creating a tmp-repository.

[ggainey]

Sample output:

$ pulp rpm content upload --directory ./signed/fixtures.pulpproject.org/rpm-signed/ --repository rpm:rpm:upload
[About to upload 35 files for upload.
Started background task /pulp/api/v3/tasks/01905b60-998f-7997-b947-d8145e8800ab/
Done.
Uploaded ./signed/fixtures.pulpproject.org/rpm-signed/crow-0.8-1.noarch.rpm...
...
Created new version 35 in upload
Publishing repository upload.
Started background task /pulp/api/v3/tasks/01905b61-58ff-7909-81ef-84cd74d8b42f/
Done.
{
  "pulp_href": "/pulp/api/v3/publications/rpm/rpm/01905b61-5958-7670-9d88-9b486ec25d8b/",
  "pulp_created": "2024-06-27T20:27:04.921566Z",
  "pulp_last_updated": "2024-06-27T20:27:05.132778Z",
  "repository_version": "/pulp/api/v3/repositories/rpm/rpm/01905b60-7c70-75d6-8882-0ec1a29fa71d/versions/35/",
  "repository": "/pulp/api/v3/repositories/rpm/rpm/01905b60-7c70-75d6-8882-0ec1a29fa71d/",
  "checksum_type": "sha256",
  "metadata_checksum_type": "sha256",
  "package_checksum_type": "sha256",
  "gpgcheck": null,
  "repo_gpgcheck": null,
  "sqlite_metadata": false,
  "repo_config": {},
  "compression_type": null
}

[ggainey]

List of REST API calls made in response to using this PR to upload a directory containing one RPM:

• Find the named repository
  • repositories_rpm_rpm_list : GET http://localhost:5001/pulp/api/v3/repositories/rpm/rpm/?name=upload&offset=0&limit=1
• Create a package "into" it
  • content_rpm_packages_create : POST http://localhost:5001/pulp/api/v3/content/rpm/packages/
• Waiting for task-completion
  • tasks_read : GET http://localhost:5001/pulp/api/v3/tasks/01905f70-962f-73c0-b718-5b37d6fb3a3b/
• Verify the resulting content
  • content_rpm_packages_read : GET http://localhost:5001/pulp/api/v3/content/rpm/packages/01904ff9-5f44-7c91-a7be-f93bbd90f77d/
• Finding the named repository's latest-version once we're done uploading
  • repositories_rpm_rpm_read : GET http://localhost:5001/pulp/api/v3/repositories/rpm/rpm/01905b60-7c70-75d6-8882-0ec1a29fa71d/
• Publishing that version
  • publications_rpm_rpm_create : POST http://localhost:5001/pulp/api/v3/publications/rpm/rpm/
• Spitting out the resulting publication
  • publications_rpm_rpm_read : GET http://localhost:5001/pulp/api/v3/publications/rpm/rpm/01905f70-a352-7905-9d04-bd31c7615b56/

[mdellweg]

Uploads api's are only employed when the file is bigger than the specified chunk size. Please try another run with chunksize 2/3 the file size.