def _failover(self, stop_mysqld = False, rm_mysql_data = False):
self.inst_id = self._get_rid()
utils.check_server_status(self.inst_id,expected_task=utils.tasks.InstanceTasks.NONE,
type=DBInstanceType.READ_REPLI,
expected_svr_status=utils.ServiceStatuses.RUNNING,
deleted=False,timeout=10)
self.vip_id = utils.get_vip_id(self.inst_id)
_rr_server = utils.get_builtin_instance(self.inst_id)
nova_instance = _rr_server.server
self.group_id = _rr_server.db_info.group_id
instance_id = self.inst_id
ran_count = 56
utils.generate_databases(self.master_id, count = ran_count)
ip = utils.check_allocate_ip(nova_instance)
if stop_mysqld:
utils.stop_mysqld(ip)
if rm_mysql_data:
utils.mysql_data_lost(ip)
utils.check_server_status(self.inst_id,expected_task=utils.tasks.InstanceTasks.NONE,
type=DBInstanceType.READ_REPLI,
expected_svr_status=utils.ServiceStatuses.SHUTDOWN,
deleted=False,timeout=120)
_ret = rpc.call(utils.get_context(),"taskmanager",
{
"method": "failover",
"args": {'instance_id':instance_id}
}
)
utils.check_server_status(self.inst_id,expected_task=utils.tasks.InstanceTasks.NONE,
type=DBInstanceType.READ_REPLI,
expected_svr_status=utils.ServiceStatuses.RUNNING,
deleted=False,timeout=120)
self.master_id = utils.get_instance_id(self.group_id,DBInstanceType.MASTER)
self.inst_id = self.inst_id
utils.check_generated_databases(self.inst_id, count = ran_count)
self.validate()
def __trigger_mysql_data_lost(cls, inst_id):
inst = test_utils.get_builtin_instance( inst_id)
nova_inst = inst.server
ip = test_utils.check_allocate_ip(nova_inst)
test_utils.mysql_data_lost(ip)