Red Hat Satellite server update fails with `liquibase.exception.DatabaseException: org.postgresql.util.PSQLException: FATAL: password authentication failed for user candlepin` error.

Issue

• Updating the Red Hat Satellite server fails with the below error while performing the candlepin migration.

  [ INFO 2018-01-09 11:00:31 main] Upgrade Step: migrate_candlepin...
  [ERROR 2018-01-09 11:00:37 main] 
  ########## ERROR ############
  Error running command: liquibase --driver=org.postgresql.Driver --classpath=/usr/share/java/postgresql-jdbc.jar:/var/lib/tomcat/webapps/candlepin/WEB-INF/classes/ --changeLogFile=db/changelog/changelog-update.xml --url=jdbc:postgresql:candlepin --username=candlepin  --password=test migrate -Dcommunity=False
  Status code: 65280
  Command output: Liquibase update Failed: liquibase.exception.DatabaseException: org.postgresql.util.PSQLException: FATAL: password authentication failed for user "candlepin"
  Migrating candlepin database
  Traceback (most recent call last):
      File "/usr/share/candlepin/cpdb", line 245, in <module>
          dbsetup.update()
      File "/usr/share/candlepin/cpdb", line 69, in update
          self._run_liquibase("db/changelog/changelog-update.xml")
      File "/usr/share/candlepin/cpdb", line 92, in _run_liquibase
          self.community))
      File "/usr/share/candlepin/cpdb", line 38, in run_command
          error_out(command, status, output)
      File "/usr/share/candlepin/cpdb", line 46, in error_out
          raise Exception("Error running command")
  Exception: Error running command