Suggested fix for issue #27

[isotopp]

This is a fix for the myid issues referenced in issue #27 and in issue #18.

You can now specify an ensemble as a hash of hashes, and it will generate stable, manually assigned myid files, and a stable server.i ensemble where .i and the myid generated will match.

Parameter wiring needs cleaning up (currently using a global hiera hash sys11stack::ensemble, needs to be changed so that the parameter actually can be chosen).

[deric]

Ok, interesting approach, it doesn't really automate assging IDs. So, what would the configuration look like?

zookeeper:servers:
  'foo':
     'myid': 1
     'ip': '192.168.1.1'
     'election_port': 1234
     'leader_port': 1244
     'observer': true

you don't actually use the key of the hash, right?

[isotopp]

You cannot automatically assign the ids, because they need to be stable. If you automate it and later change the config, it will break your existing ZK setup. Since ZK is stateful (that's the whole purpose of the component) this is not acceptable.