Configuration based on flags needs help

Registered by Vish Ishaya

Configuration based on flags has some annoying issues. This proposes that we design a clearer method for configuration of the system.

Blueprint information

Status:
Complete
Approver:
None
Priority:
Undefined
Drafter:
Vish Ishaya
Direction:
Needs approval
Assignee:
None
Definition:
Superseded
Series goal:
None
Implementation:
Unknown
Milestone target:
None
Completed by
Vish Ishaya

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Configuration options via flags have the following issues:
  * usage of lags for configuraton is unexpected, and not very discoverable for new users
  * syntax for flagfiles is non-standard for configurations
  * flags from lazy loaded modules don't show up in --help

Some cleanup here needs to be done. At the very least, we need flags to show up in --help. If there is an easy way to convert to a more obvious and standard config file format, that would also be a fine solution.

This should hopefully be fixed by:
https://blueprints.launchpad.net/openstack-common/+spec/bexar-options-processing

(?)

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