Comment 7 for bug 1431386

Here is list of steps to reproduce the bug

1. Fuel-master was set up, lets call it fuel-master-1
2. Fuel-master-1 discovered VMs with all necessary stuff which is needed to work with fuel-master-1 (including credentials to rabbitmq)
3. For some reasons fuel-master-1 was reinstalled into a new fuel-master-2 (which have generated new credentials to rabbitmq).
4. VMs that were discovered from fuel-master-1, connected to fuel-master-2, because fuel-master-2 has same ip addresses using nailgun-agent which doesn't require any authentication.
5. Credentials required to access rabbitmq, which are required for mcollective, mismatched.
6. Deployment fails.