Fix cluster_mgr.py

[chakaz]

No description provided.

[nicks64]

could you share some detail or description of what went wrong?

[chakaz]

We've made some changes to the management commands, and haven't yet updated cluster_mgr.py to use them.

[nicks64]

where are the management commands? do you mind sharing what i can do to contribute?

also feel free to share the changes you made. Thank you!

[chakaz]

First, thanks for your good intentions :)
This is one of the internal tasks that are probably best to be implemented by the core team. There are some moving parts and decisions that we haven't yet even documented.
However, if you are looking to contribute, please feel free to look at our "good first issue" label or "help wanted" label.
Thanks!

[chakaz]

With #3118, #3120, #3124, and #3129 (which adds tests, and will be merged soon)
This task is now finished :)