openstack—执行keystone-manage db_sync失败

笔者目前执行keystone-manage遇到两种情形的失败mysql 情形1：sql 执行命令后卡主不动，查看/etc/keystone/keystone.log日志发现以下bash 2019-02-20 15:40:16.740 32640 WARNING oslo_db.sqlalchemy.engines [-] SQL connection failed. -1 attempts lef

>>阅读原文<<