Unable to use exhibitor

[feikesteenbergen]

When specifying exhibitor as a host, patroni dies:

postgres@786112c34b6e:~$ patroni postgres.yml
Traceback (most recent call last):
  File "/usr/local/bin/patroni", line 11, in <module>
    sys.exit(main())
  File "/usr/local/lib/python2.7/dist-packages/patroni/__init__.py", line 71, in main
    patroni = Patroni(config)
  File "/usr/local/lib/python2.7/dist-packages/patroni/__init__.py", line 23, in __init__
    self.dcs = self.get_dcs(self.postgresql.name, config)
  File "/usr/local/lib/python2.7/dist-packages/patroni/__init__.py", line 37, in get_dcs
    return ZooKeeper(name, config['zookeeper'])
  File "/usr/local/lib/python2.7/dist-packages/patroni/zookeeper.py", line 83, in __init__
    self.exhibitor = ExhibitorEnsembleProvider(exhibitor['hosts'], exhibitor['port'], poll_interval=interval)
  File "/usr/local/lib/python2.7/dist-packages/patroni/zookeeper.py", line 32, in __init__
    while not self.poll():
  File "/usr/local/lib/python2.7/dist-packages/patroni/zookeeper.py", line 40, in poll
    json = self._query_exhibitors(self._exhibitors)
  File "/usr/local/lib/python2.7/dist-packages/patroni/zookeeper.py", line 55, in _query_exhibitors
    random.shuffle(exhibitors)
  File "/usr/lib/python2.7/random.py", line 289, in shuffle
    x[i], x[j] = x[j], x[i]
TypeError: 'str' object does not support item assignment

I assume that this is because exhibitor_hosts should be a list.

[a1exsh]

See zalando/patroni#143

[CyberDem0n]

Yes, it expects to get list

EXHIBITOR_HOSTS: '["host1", "host2"]'

[alexeyklyukin]

I think this is already fixed.