How to Clean Up a Failed Self-hosted Engine Deployment?

Issue

• If a self-hosted engine installation was interrupted and the deployment is re-run, the following error is shown:
  Failed to connect to broker, the number of errors has exceeded the limit (1).

• In the installation logs (/var/log/ovirt-hosted-engine-setup/ovirt-hosted-engine-setup-*.log) you will see something like:

  2015-09-01 07:23:13 DEBUG otopi.context context._executeMethod:152 method exception
  Traceback (most recent call last):
    File "/usr/lib/python2.6/site-packages/otopi/context.py", line 142, in _executeMethod
    File "/usr/share/ovirt-hosted-engine-setup/plugins/ovirt-hosted-engine-setup/vm/configurevm.py", line 112, in _late_setup
  RuntimeError: Cannot setup Hosted Engine with other VMs running
  2015-09-01 07:23:13 ERROR otopi.context context._executeMethod:161 Failed to execute stage 'Environment setup': Cannot setup Hosted Engine with other VMs running