dbuser = 'test'
dbpass = 'test'

if box.space._user.index.name:select{dbuser} == 0 then
    box.schema.user.create('test', { password = dbpass })
    box.schema.user.grant(dbuser, 'read', 'space', '_space')
    box.schema.user.grant(dbuser, 'read', 'space', '_index')
    box.schema.user.grant(dbuser, 'execute', 'universe')
end