Unhandled exception during perf data collection: [FATAL: password authentication failed for user "ovirt_engine_history"], class: [PGError]

Issue

• Unhandled exception during perf data collection: [FATAL: password authentication failed for user "ovirt_engine_history"], class: [PGError]
• Errors in evm.log:

[----] E, [2015-04-28T09:22:24.893526 #2256:63b80c] ERROR -- : MIQ(VmRedhat.perf_collect_metrics) [realtime] for: [VmRedhat], [1000000000243], [CDXLBE026] Unhandled exception during perf data collection: [FATAL:  password authentication failed for user "ovirt_engine_history"], class: [PGError]
[----] E, [2015-04-28T09:22:24.893692 #2256:63b80c] ERROR -- : MIQ(VmRedhat.perf_collect_metrics) [realtime] for: [VmRedhat], [1000000000243], [CDXLBE026]   Timings at time of error: {:capture_state=>0.00196075439453125, :rhevm_connect=>0.12276339530944824, :collect_data=>0.0035026073455810547}
[----] E, [2015-04-28T09:22:24.893826 #2256:63b80c] ERROR -- : [PGError]: FATAL:  password authentication failed for user "ovirt_engine_history"
  Method:[rescue in perf_collect_metrics_rhevm]