anchor.diff:  psql -h replica-dc -U postgres postgres -c 'select inet_server_addr()'
   ....
   
  -=== master-replica-rc-pvc - Master/Slave deployment using pvc
  +=== master-replica-rc-pvc - Master/replica deployment using pvc
   
   
   ==== OpenShift
  
positive.code: The pgbouncer utility can be used to provide a connection pool
  to postgres databases.  The crunchy-pgbouncer container also
  contains logic that lets it perform a failover from a master
  to a slave database.
  
  To test this failover, you first create a running master/slave
  cluster as follows:
  
  ....
  
negative.code: ....
  
  At this point, the pgbouncer will notice that the master is not reachable
  and touch the trigger file on the configured replica database to start
  the failover.  The pgbouncer container will then reconfigure
  pgbouncer to relabel the replica database into the master database so clients
  to pgbouncer will be able to connect to the master as before the failover.
  
  To just log into the database from the pgbouncer connection pool
  