Manila services fails on deploy (single role on the node manila-share )

[Volodymyr Rozhanskyy]

Found in Build #242
Manila services do not work properly after deploy
Steps:
  1. Upload plugins and install.
  2. Create environment :
    * Networking: Neutron with tunneling segmentation
    * Block Storage: VLAN
    * Other Storages: default
    * Additional services: disabled
  3. Enable plugin and add nodes with following roles:
    * Controller + Manila-data
    * Compute + Cinder + Manila-share
    * Manila-share
  4. Deploy cluster with plugin.
  5. Run OSTF
  6. Verify Manila service basic functionality (share create/mount).
Actual result :
 Share created in a failed state
Actual result :
 manila services should work properly