Dynamic completion of Kafka instance names

[wtrocki]

You can press tab tab and get results from list as ids to select.

rhmas kafka use

> 1iSY6RQ3JKI8Q0OTmjQFd3ocFRg

3iSY6RQ3JKI8Q0OTmjQFd3ocFRg
4iSY6RQ3JKI8Q0OTmjQFd3ocFRg

[wtrocki]

based on feedback

[craicoverflow]

This will only work if we use positional arguments for the ID. It would be awesome to have but the CLI uses flags.

We could:

• Switch to positionals..this assumes you can only get by ID (which is true currently)
• Have both a flag and positional as a way to use/get etc..this is more flexible but also more confisuing to the developer

[craicoverflow]

https://github.com/spf13/cobra/blob/a4ab3fa09e3d6c4ac3fb7deece97a910957305ab/shell_completions.md#dynamic-completion-of-nouns

[wtrocki]

@craicoverflow +1 for positionals in obvious cases. I love positionals in cases where you would almost always use --id.