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postgresql 9.3 don't create /etc/postgresql and related conf file by default. So we need start the pg_createcluster in devstack if has not started after package installed. Change-Id: I2b348658d79b23b5f21871b33d8023499b2fb956 Close-bug: #1552051
postgresql 9.3 don't create /etc/postgresql and related conf file by default. So we need start the pg_createcluster in devstack if has not started after package installed. Change-Id: I2b348658d79b23b5f21871b33d8023499b2fb956 Close-bug: #1552051