def get_default_repo(self):
        for repo in self.get_repos():
            if self.get_safe(repo, 'default') and self.getboolean(repo, 'default'):
                return repo
        return False
Go through all the repositories defined in the config file and search
dataset/ETHPy150Open ceph/ceph-deploy/ceph_deploy/conf/cephdeploy.py/Conf.get_default_repo