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1.fix bug of get config from conf file is a str 2.modify daisy default backend as kolla 3.modify daisy max os install num to 20 Change-Id: I9ebb0e9ec4ff100ec723544d10a15aebe78585f2
1.fix bug of get config from conf file is a str 2.modify daisy default backend as kolla 3.modify daisy max os install num to 20 Change-Id: I9ebb0e9ec4ff100ec723544d10a15aebe78585f2