Patroni

$ pip install patroni

$ git clone https://github.com/zalando/patroni
$ cd patroni
$ pip install -r requirements.txt

$ patronictl show-config
$ patronictl edit-config

pg_ctl, postgres, pg_basebackup and pg_rewind must be accessible within $PATH or you should put bin_dir into postgresql section.

postgresql:

bin_dir: /usr/lib/postgresql/9.6