Error executing rhevm-dwh-setup: psql: FATAL: autenticação do tipo Ident falhou para usuário "engine_history"

Issue

• rhevm-dwh-setup fails with error as below:

# rhevm-dwh-setup 
Welcome to ovirt-engine-dwh setup utility


This utility can configure a read only user for DB access. Would you like to do so? (yes|no): yes
Error: user name cannot be empty
Provide a username for read-only user : sa_rhevm
Provide a password for read-only user: 
Warning: Weak Password.
Re-type password: 
Should postgresql be setup with secure connection? (yes|no): yes
Creating DB...                                        [ ERROR ]
Error encountered while installing rhevm-dwh, please consult the log file: /var/log/ovirt-engine/rhevm-dwh-setup-2014_02_20_16_37_47.log