The simplest scenario: wrong user provided in agent_config.
This ends up with the agent installation forever retrying, with the following message:
Task failed 'cloudify_agent.installer.operations.create' -> 'NoneType' object has no attribute 'home_dir'
This happens because this line:
— returns a ctx.operation.retry, which ends up being received here:
— and from here on, absolutely nothing that happens makes sense.