def _delete_RRs(self):
rids = self._get_rids()
orig_rid_vips = {}
for rid in rids:
vip_id = utils.get_vip_id(rid, deleted = False)
orig_rid_vips[rid] = vip_id
for rid in rids:
utils.check_server_status(rid,expected_task=utils.tasks.InstanceTasks.NONE,
type=DBInstanceType.READ_REPLI,
expected_svr_status=utils.ServiceStatuses.RUNNING,
deleted=False,timeout=10)
utils.delete_rds_byclient(rid)
utils.check_server_status(rid,expected_task=utils.tasks.InstanceTasks.NONE,
type=DBInstanceType.READ_REPLI,
expected_svr_status=utils.ServiceStatuses.DELETED,
deleted=True,timeout=CONF.nova_delete_timeout)
vip_id = utils.get_vip_id(rid)
utils.check_vip(rid, vip_id=vip_id, deleted=True)
# Fore. 20150615. Delete One RR Instance will not make change to other RR Instance's VIP-RIP mapping.
orig_rid_vips.pop(rid)
for k, v in orig_rid_vips.items():
utils.check_vip(id = k, vip_id = v, deleted = False)
def override_with_backup(self, instance_id=None):
self.inst_id = instance_id
if not self.inst_id:
self.create()
self.inst_id = utils.get_instance_id_bytenant(DBInstanceType.MASTER)
old_master_instance = utils.get_builtin_instance(self.inst_id)
old_group_id = old_master_instance.group_id
old_adm_user_1 = utils.check_mysql_adminuser(self.inst_id)
backup1 = utils.create_backup_byclient(self.inst_id)
utils.check_backup_status(backup1.id)
new_password = "******" + str(random.randint(0, 100))
utils.reset_admin_user_byclient(self.inst_id, new_password)
new_adm_user_1 = utils.check_mysql_adminuser(self.inst_id)
assert old_adm_user_1['_password'] != new_adm_user_1['_password'], \
(old_adm_user_1['_password'], new_adm_user_1['_password'])
backup2 = utils.create_backup_byclient(self.inst_id)
utils.check_backup_status(backup2.id)
utils.override_with_backup_byclient(self.inst_id, backup1.id)
utils.check_server_deleted(old_master_instance.id, type = DBInstanceType.PENDING, timeout = 600)
self.inst_id = utils.get_instance_id(old_group_id, DBInstanceType.MASTER)
new_master_instance = utils.get_builtin_instance(self.inst_id)
self.dbslave_id = utils.get_instance_id(old_group_id, DBInstanceType.STANDBY)
self.vip_id = utils.get_vip_id(self.inst_id)
self.group_id = new_master_instance.group_id
self.validate()
new_adm_user_2 = utils.check_mysql_adminuser(self.inst_id)
assert old_adm_user_1['_password'] == new_adm_user_2['_password'], \
(old_adm_user_1['_password'], new_adm_user_2['_password'])
def restart(self, instance_id=None):
self.inst_id = instance_id
if self.inst_id is None:
self.inst_id = utils.get_instance_id_bytenant(DBInstanceType.MASTER)
utils.restart_mysql(self.inst_id)
utils.check_server_status(self.inst_id, expected_task=utils.tasks.InstanceTasks.NONE,
type=DBInstanceType.STANDBY,
expected_svr_status=utils.ServiceStatuses.RUNNING,
deleted=False, timeout=240)
self.vip_id = utils.get_vip_id(self.inst_id)
_inst = utils.get_builtin_instance(self.inst_id)
self.group_id = _inst.group_id
assert self.inst_id == _inst.virtual_instance_id, (self.inst_id, _inst.virtual_instance_id)
self.dbslave_id = utils.get_instance_id(self.group_id, DBInstanceType.STANDBY)
LOG.info('master_id:%s slave_id:%s' % (self.inst_id, self.dbslave_id))
utils.check_server_status(self.dbslave_id, expected_task=utils.tasks.InstanceTasks.REBOOTING,
type=DBInstanceType.STANDBY,
expected_svr_status=utils.ServiceStatuses.RUNNING,
deleted=False, timeout=240)
utils.check_server_status(self.dbslave_id, expected_task=utils.tasks.InstanceTasks.NONE,
type=DBInstanceType.STANDBY,
expected_svr_status=utils.ServiceStatuses.RUNNING,
deleted=False, timeout=240)
self.validate()
def create(self):
inst_id = None
try:
inst_id = utils.get_instance_id_bytenant(DBInstanceType.MASTER)
except Exception as e:
print e
pass
self.inst_id = inst_id
if not self.inst_id:
self.inst_id = utils.create_rds_byclient("HA")
utils.check_server_status(self.inst_id, expected_task=utils.tasks.InstanceTasks.NONE,
type=DBInstanceType.MASTER,
expected_svr_status=utils.ServiceStatuses.RUNNING,
deleted=False, timeout=240)
self.vip_id = utils.get_vip_id(self.inst_id)
_inst = utils.get_instance(self.inst_id, deleted = False)
self.group_id = _inst.group_id
origin_id = inst_utils.virtual_instid_2_origin_instid(self.inst_id)
assert _inst.id == origin_id, (_inst.id, origin_id)
self.dbslave_id = utils.get_instance_id(self.group_id, DBInstanceType.STANDBY)
LOG.info('master_id:%s slave_id:%s' % (self.inst_id, self.dbslave_id))
self.validate()
def resize_ha(self, instance_id=None):
self.inst_id = instance_id
if not self.inst_id:
self.inst_id = utils.get_instance_id_bytenant(DBInstanceType.MASTER)
_inst = utils.get_instance(self.inst_id, deleted=0)
self.group_id = _inst.group_id
master = InstanceGroupItem.get_by_gid_type(utils.get_context(), self.group_id, DBInstanceType.MASTER)
standby = InstanceGroupItem.get_by_gid_type(utils.get_context(), self.group_id, DBInstanceType.STANDBY)
if master:
old_master_inst_id = master.instance_id
if standby:
old_standy_inst_id = standby.instance_id
old_master_inst = utils.get_builtin_instance(old_master_inst_id)
old_flavor_id = old_master_inst.flavor_id
old_virtual_instance_id = old_master_inst.virtual_instance_id
self.inst_id = old_master_inst.id
if old_flavor_id not in ['1', '2', '3', '4']:
raise Exception("It is not support to do resizing based on flavor id: %s, supported flavor_ids should be in (1,2,3,4)" % (old_flavor_id))
flavor = str(int(old_flavor_id) + 1)
LOG.info("old flavor : %s, new flavor : %s" % (old_flavor_id, flavor))
utils.resize_flavor_byclient(self.inst_id, flavor)
inst_ids = utils.check_resize_status(self.group_id)
if len(inst_ids) >= 2:
utils.check_rpl_delay(inst_ids[0])
utils.check_rpl_delay(inst_ids[1])
import time
time.sleep(60)
new_master = utils.get_builtin_instance(old_virtual_instance_id)
new_standby = InstanceGroupItem.get_by_gid_type(utils.get_context(), new_master.group_id, DBInstanceType.STANDBY)
if new_master.virtual_instance_id == old_virtual_instance_id and \
new_master.id != old_master_inst.id:
self.inst_id = new_master.id
self.dbslave_id = new_standby.instance_id
self.vip_id = utils.get_vip_id(self.inst_id)
else:
raise Exception("resize for ha failed,new_master.virtual_instance_id %s,"
" old_virtual_instance_id %s, new_master.id %s,"
" old_master_inst.id %s, new_standby_id %s,"
" old_standy_inst_id %s" % (
new_master.virtual_instance_id, old_virtual_instance_id,
new_master.id, old_master_inst.id,
new_standby.instance_id, old_standy_inst_id))
self.validate()
else:
raise Exception("the num of instance_id should be equal or greater than two after resize HA ")
def _unlock(self):
self.inst_id = utils.get_instance_id_bytenant(DBInstanceType.MASTER)
utils.unlock_byclient(self.inst_id)
utils.check_server_status(self.inst_id, expected_task=utils.tasks.InstanceTasks.NONE,
type=DBInstanceType.MASTER,
expected_svr_status=utils.ServiceStatuses.RUNNING,
deleted=False, timeout=240)
self.vip_id = utils.get_vip_id(self.inst_id)
_inst = utils.get_builtin_instance(self.inst_id)
self.group_id = _inst.group_id
assert self.inst_id == _inst.virtual_instance_id, (self.inst_id, _inst.virtual_instance_id)
self.dbslave_id = utils.get_instance_id(self.group_id, DBInstanceType.STANDBY)
LOG.info('master_id:%s slave_id:%s' % (self.inst_id, self.dbslave_id))
self.validate()
def _create_with_backup(self, backup, admin_user=None, admin_password=None):
self.inst_id = utils.create_rds_byclient("HA", backup=backup.id, admin_user=admin_user,
admin_password=admin_password)
utils.check_server_status(self.inst_id, expected_task=utils.tasks.InstanceTasks.NONE,
type=DBInstanceType.MASTER,
expected_svr_status=utils.ServiceStatuses.RUNNING,
deleted=False, timeout=600)
self.vip_id = utils.get_vip_id(self.inst_id)
_inst = utils.get_builtin_instance(self.inst_id)
self.group_id = _inst.group_id
self.dbslave_id = utils.get_instance_id(self.group_id, DBInstanceType.STANDBY)
LOG.info('master_id:%s slave_id:%s' % (self.inst_id, self.dbslave_id))
self.validate()
return self.inst_id
def configuration_patch(self):
self.inst_id = utils.get_instance_id_bytenant(DBInstanceType.MASTER)
if self.inst_id is None:
raise Exception("not found HA instance")
utils.patch_instance_config_and_check(self.inst_id)
utils.check_server_status(self.inst_id, expected_task=utils.tasks.InstanceTasks.NONE,
type=DBInstanceType.MASTER,
expected_svr_status=utils.ServiceStatuses.RUNNING,
deleted=False, timeout=240)
self.vip_id = utils.get_vip_id(self.inst_id)
_inst = utils.get_builtin_instance(self.inst_id)
self.group_id = _inst.group_id
self.inst_id = utils.get_instance_id(self.group_id, DBInstanceType.MASTER)
self.dbslave_id = utils.get_instance_id(self.group_id, DBInstanceType.STANDBY)
LOG.info('master_id:%s slave_id:%s' % (self.inst_id, self.dbslave_id))
self.validate()
utils.check_instace_config_is_same(self.inst_id)
def _validate(self, master_id, validated_inst_id):
utils.check_server_status(validated_inst_id,expected_task=utils.tasks.InstanceTasks.NONE,
type=DBInstanceType.READ_REPLI,
expected_svr_status=utils.ServiceStatuses.RUNNING,
deleted=False,timeout=300)
utils.check_mysql_adminuser(validated_inst_id)
utils.check_vip(master_id)
vip_id = utils.get_vip_id(validated_inst_id)
utils.check_vip(validated_inst_id,vip_id=vip_id)
utils.check_rpl_delay(validated_inst_id)
master_ip = utils.check_allocate_ip(utils.get_builtin_instance(master_id).server)
rr_ip = utils.check_allocate_ip(utils.get_builtin_instance(validated_inst_id).server)
utils.check_rpl_consist(master_id, [validated_inst_id],master_ip,[rr_ip])
utils.check_rpl_topo_rr(self.group_id)
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 _create_RRs(self, rr_count = 2, attach_same_vip = False):
self.master_id = utils.get_instance_id_bytenant(DBInstanceType.MASTER)
utils.check_server_status(self.master_id,expected_task=utils.tasks.InstanceTasks.NONE,
type=DBInstanceType.MASTER,
expected_svr_status=utils.ServiceStatuses.RUNNING,
deleted=False,timeout=10)
_inst = utils.get_builtin_instance(self.master_id)
self.group_id = _inst.group_id
rids = self._get_rids()
if len(rids) == 0:
vinst_id1 = utils.create_rds_byclient("RR", instance_id = self.master_id, attached_vip=None)
self._validate(self.master_id, vinst_id1)
origin_inst_id1 = inst_utils.virtual_instid_2_origin_instid(vinst_id1, get_deleted = False)
vip_id = utils.get_vip_id(vinst_id1, deleted = False)
left_to_create = rr_count - 1
while left_to_create > 0:
if attach_same_vip:
utils.create_rds_byclient("RR", instance_id = self.master_id, attached_vip=vip_id)
else:
utils.create_rds_byclient("RR", instance_id = self.master_id, attached_vip=None)
left_to_create -= 1
rids = self._get_rids()
map(lambda x: self._validate(self.master_id, x), rids)
if attach_same_vip:
utils.check_lbs_vip(vip_id, rids)
else:
utils.check_lbs_vip(vip_id, [origin_inst_id1])
else:
map(lambda x: self._validate(self.master_id, x), rids)
def create_with_config(self):
config = utils.get_config_bytenant()
if not config:
raise Exception("not found template config")
self.inst_id = utils.create_rds_byclient("HA",config_id=config.id)
utils.check_server_status(self.inst_id, expected_task=utils.tasks.InstanceTasks.NONE,
type=DBInstanceType.MASTER,
expected_svr_status=utils.ServiceStatuses.RUNNING,
deleted=False, timeout=240)
self.vip_id = utils.get_vip_id(self.inst_id)
_inst = utils.get_builtin_instance(self.inst_id)
self.group_id = _inst.group_id
self.inst_id =utils.get_instance_id(self.group_id, DBInstanceType.MASTER)
self.dbslave_id = utils.get_instance_id(self.group_id, DBInstanceType.STANDBY)
LOG.info('master_id:%s slave_id:%s' % (self.inst_id, self.dbslave_id))
self.validate()
utils.check_instancedb_mysql_variables(self.inst_id)
utils.check_instancedb_mysql_variables(self.dbslave_id)
utils.check_instace_config_is_same(self.inst_id)
def failover(self, instance_id=None, _strategy=None):
self.inst_id = instance_id
if not self.inst_id:
self.inst_id = utils.get_instance_id_bytenant(DBInstanceType.MASTER)
_inst = utils.get_builtin_instance(self.inst_id)
self.group_id = _inst.group_id
self.dbslave_id = utils.get_instance_id(self.group_id, DBInstanceType.STANDBY)
utils.check_server_status(self.inst_id, expected_task=utils.tasks.InstanceTasks.NONE,
type=DBInstanceType.MASTER,
expected_svr_status=utils.ServiceStatuses.RUNNING,
deleted=False, timeout=120)
utils.check_server_status(self.dbslave_id, expected_task=utils.tasks.InstanceTasks.NONE,
type=DBInstanceType.STANDBY,
expected_svr_status=utils.ServiceStatuses.RUNNING,
deleted=False, timeout=120)
self.vip_id = utils.get_vip_id(self.inst_id)
strategy = CONF.ha_failover_strategy
virtual_instance_id = None
if strategy == 'master':
_ret = utils.get_builtin_instance(self.inst_id)
nova_instance = _ret.server
instance_id = _ret.id
type = DBInstanceType.MASTER
virtual_instance_id = _ret.virtual_instance_id
elif strategy == 'standby':
_ret = utils.get_builtin_instance(self.dbslave_id)
nova_instance = _ret.server
instance_id = _ret.id
type = DBInstanceType.STANDBY
else:
raise Exception("not found ha_failover_strategy %s" % strategy)
rancount = random.randint(50, 100)
utils.generate_databases(self.inst_id, count = rancount)
ip = utils.check_allocate_ip(nova_instance)
utils.stop_mysqld(ip, stop_ga=True)
utils.check_server_status(instance_id, expected_task=utils.tasks.InstanceTasks.NONE,
type=type,
expected_svr_status=utils.ServiceStatuses.SHUTDOWN,
deleted=False, timeout=120)
rpc.call(utils.get_context(), "taskmanager",
{"method": "failover",
"args": {'instance_id':instance_id}})
if strategy == 'master':
origin_inst_id = inst_utils.virtual_instid_2_origin_instid(virtual_instance_id)
self.inst_id = origin_inst_id
utils.check_server_status(origin_inst_id, expected_task=utils.tasks.InstanceTasks.NONE,
type=DBInstanceType.MASTER,
expected_svr_status=utils.ServiceStatuses.RUNNING,
deleted=False, timeout=120)
new_slave_id = utils.get_instance_id(self.group_id, DBInstanceType.STANDBY)
utils.check_server_status(new_slave_id, expected_task=utils.tasks.InstanceTasks.NONE,
type=DBInstanceType.STANDBY,
expected_svr_status=utils.ServiceStatuses.RUNNING,
deleted=False, timeout=120)
self.dbslave_id = new_slave_id
utils.check_generated_databases(self.inst_id, count = rancount)
utils.clear_generated_databases(self.dbslave_id, count = rancount)
self.validate()
def migrate(self, instance_id=None, _strategy=None):
self.inst_id = instance_id
if not self.inst_id:
self.inst_id = utils.get_instance_id_bytenant(DBInstanceType.MASTER)
_master_inst = utils.get_instance(id = self.inst_id, deleted = 0)
self.group_id = _master_inst.group_id
self.dbslave_id = utils.get_instance_id(self.group_id, DBInstanceType.STANDBY)
utils.check_server_status(self.inst_id, expected_task=utils.tasks.InstanceTasks.NONE,
type=DBInstanceType.MASTER,
expected_svr_status=utils.ServiceStatuses.RUNNING,
deleted=False, timeout=120)
utils.check_server_status(self.dbslave_id, expected_task=utils.tasks.InstanceTasks.NONE,
type=DBInstanceType.STANDBY,
expected_svr_status=utils.ServiceStatuses.RUNNING,
deleted=False, timeout=120)
self.vip_id = utils.get_vip_id(_master_inst.id)
virtual_instance_id = None
strategy = CONF.migrate_strategy
if strategy == 'master':
_ret = utils.get_builtin_instance(_master_inst.id)
nova_instance = _ret.server
instance_id = _master_inst.id
type = DBInstanceType.MASTER
virtual_instance_id = _ret.virtual_instance_id
elif strategy == 'standby':
_ret = utils.get_builtin_instance(self.dbslave_id)
nova_instance = _ret.server
instance_id = self.dbslave_id
type = DBInstanceType.STANDBY
else:
raise Exception("not found migrate_strategy ss%s" % strategy)
ran_count = random.randint(50, 100)
utils.generate_databases(self.inst_id, count = ran_count)
_ret = rpc.call(utils.get_context(), "taskmanager",
{"method": "migrate",
"args": {'migrate_id':instance_id}})
if strategy == 'master':
raw_instance_id = inst_utils.virtual_instid_2_origin_instid(virtual_instance_id)
new_server_id = utils.get_builtin_instance(raw_instance_id).server_id
utils.check_server_status(raw_instance_id, expected_task=utils.tasks.InstanceTasks.NONE,
type=DBInstanceType.MASTER,
expected_svr_status=utils.ServiceStatuses.RUNNING,
deleted=False, timeout=120)
assert new_server_id != nova_instance.id
self.inst_id = raw_instance_id
elif strategy == "standby":
utils.check_server_status(_ret['id'], expected_task=utils.tasks.InstanceTasks.NONE,
type = DBInstanceType.STANDBY,
expected_svr_status=utils.ServiceStatuses.RUNNING,
deleted=False, timeout = 123)
self.dbslave_id = _ret['id']
utils.check_generated_databases(self.inst_id, count = ran_count)
utils.check_generated_databases(self.dbslave_id, count = ran_count)
utils.clear_generated_databases(self.inst_id, count = ran_count)
self.validate()
