[openstack-dev] [Fuel] Deprecation warnings in python-fuelclient-6.1.*
me at romcheg.me
Tue Mar 3 14:52:39 UTC 2015
According to the refactoring plan  we are going to release the 6.1 version of python-fuelclient which is going to contain recent changes but will keep backwards compatibility with what was before. However, the next major release will bring users the fresh CLI that won’t be compatible with the old one and the new, actually usable IRL API library that also will be different.
The issue this message is about is the fact that there is a strong need to let both CLI and API users about those changes. At the moment I can see 3 ways of resolving it:
1. Show deprecation warning for commands and parameters which are going to be different. Log deprecation warnings for deprecated library methods.
The problem with this approach is that the structure of both CLI and the library will be changed, so deprecation warning will be raised for mostly every command for the whole release cycle. That does not look very user friendly, because users will have to run all commands with --quiet for the whole release cycle to mute deprecation warnings.
2. Show the list o the deprecated stuff and planned changes on the first run. Then mute it.
The disadvantage of this approach if that there is a need of storing the info about the first run to a file. However, it may be cleaned after the upgrade.
3. The same as #2 but publish the warning online.
I personally prefer #2, but I’d like to get more opinions on this topic.
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