Anton P

Refactor stop_host method to use topology

6

- Use requests instead of urllib because it handles connection reset errors better. - Use `upload_topology` to mimic behavior of `stop_host`.

Add native upgrade capability to this Ambari - Presto integration

3

At the moment you cannot upgrade Presto to a newer version using the Ambari UI. The upgrade has to be done manually by uninstalling Presto and then re-installing it. This...

This will allow users to have different sets of configurations for different hosts. This is useful if some machines have significantly fewer resources than others.