def _update_instance_type(self, instance_id, instance_type):
#update group item
instance = self.load(self.context, instance_id)
guest = instance.get_guest()
group_item = InstanceGroupItem.get_by_instance_id(self.context, instance_id)
def __updateDBInstance(createRplAccount = True, read_only = True):
if createRplAccount:
rplUser = MySQLUser()
rplUser.name = CONF.rds_rpl_user
rplUser.password = self._gen_rpl_user_password(group_item.group_id)
guest.ksc_create_rpl_user(rplUser.serialize())
guest.ksc_alter_heartbeat_event_enable()
#guest.ksc_set_read_only(read_only)
self._change_variable({"read_only":"ON" if read_only else "OFF"})
__updateDBInstance(createRplAccount = (instance_type in [DBInstanceType.MASTER, DBInstanceType.SINGLE]),
read_only = (instance_type == DBInstanceType.READ_REPLI or \
instance_type == DBInstanceType.STANDBY))
InstanceGroupItem.update_type(self.context, item_id=group_item.id, type=instance_type)
def create_instance(self, flavor, image_id, databases, users,
service_type, volume_size, security_groups,
backup_id, instance_type, ignore_hosts=None,
master_id=None, extend=None):
if instance_type==DBInstanceType.STANDBY or instance_type==DBInstanceType.READ_REPLI:
if master_id is None:
raise Exception("when instance_type is STANDBY or RR, The master_id can't none")
availability_zone=None
overrides = {}
if extend != None:
availability_zone=extend.get('availability_zone', None)
ds_version_id = extend.get('datastore_version_id', None)
overrides = extend.get('overrides', {})
self.update_db(task_status=InstanceTasks.BUILDING_SERVER)
try:
server, volume_info = self._create_server_volume_individually(
flavor,
image_id,
security_groups,
service_type,
ignore_hosts, availability_zone)
except Exception as e:
self.set_servicestatus(ServiceStatuses.UNKNOWN)
raise e
try:
configuration_id =self.db_info.configuration_id
LOG.debug("Prepare task instance id = %s, configuration id =%s" % (self.id, configuration_id))
overrides = KSC_Configuration.get_configuration_overrides(self.context, configuration_id)
except Exception:
pass
self.update_db(task_status=InstanceTasks.GUEST_PREPARE)
LOG.info("======= > groupid %s" % self.group_id)
group = InstanceGroup.get_by_groupid(self.context, self.group_id)
sys_variables = {"port" : group.db_port, "read_only" : "OFF" if instance_type in (DBInstanceType.MASTER, DBInstanceType.SINGLE) else "ON"}
overrides.update(sys_variables)
config = self._render_config(flavor)
overrides_config = self._render_override_config(flavor, overrides)
self._guest_prepare(server, flavor['ram'], volume_info,
databases, users, backup_id,
config.config_contents,
overrides_contents = overrides_config.config_contents)
try:
utils.poll_until(self._service_is_active,
sleep_time=USAGE_SLEEP_TIME,
time_out=USAGE_TIMEOUT)
except Exception as e:
self.set_servicestatus(ServiceStatuses.UNKNOWN)
raise e
group_item = InstanceGroupItem.get_by_instance_id(self.context, self.id)
group_id = group_item.group_id
self.update_db(task_status=InstanceTasks.CONFIG_MYSQL)
if instance_type==DBInstanceType.STANDBY or instance_type==DBInstanceType.READ_REPLI:
if instance_type==DBInstanceType.STANDBY:
self._update_instance_type(master_id, DBInstanceType.MASTER)
self._update_instance_type(self.id, instance_type)
self._relocate_master(master_id,self.id,backup_id)
#when upgrade single to ha
if instance_type == DBInstanceType.STANDBY:
master_group_item = InstanceGroupItem.get_by_instance_id(self.context,master_id)
InstanceGroupItem.update_type(self.context, item_id=master_group_item.id, type=DBInstanceType.MASTER)
if instance_type==DBInstanceType.SINGLE or instance_type==DBInstanceType.MASTER:
self._create_master_user(instance_id=self.id, user=extend.get('admin_user'), \
password=extend.get('admin_password'))
self._update_instance_type(self.id, instance_type)
if instance_type==DBInstanceType.SINGLE or instance_type==DBInstanceType.MASTER:
try:
self.update_db(task_status=InstanceTasks.BACKUPING)
expiretime = AutoBackup.get_autobackup_expiretime(self.context, group_id)
backup_name = self._backup_name(instance_id=self.id)
# Fore. 2014/07/02 Get Service Image ID from datastore version
# _type = self.service_type
# _image = ServiceImage.find_by(self.context,service_name=_type)
#ds, ds_version = ds_models.get_datastore_version(type = None, version = ds_version_id)
#service_image_id = image_id
desc = 'Init backup for new instance'
Backup.create(context=self.context, instance=self.id,
name=backup_name, description=desc, group_id=group_id,
backup_type=BackupType.AUTOBACKUP, expire_at=expiretime,init=True,service_image_id=image_id)
except Exception as e:
msg = "Error creating backup for instance %s %s" % (self.id,utils.get_traceback_stack())
LOG.error(msg)
self.update_db(task_status=InstanceTasks.SETIOTUNE)
LOG.debug("Set block iotune for instance %s ." % self.id)
self._set_blkiotune(flavor)
if instance_type!=DBInstanceType.STANDBY:
if CONF.trove_vip_support:
self.update_db(task_status=InstanceTasks.ALLOCATE_VIP)
try:
rip = self._get_instance_ip(self.id)
vip = InstanceVip.allocate(self.context,instance_id=self.id,rip = rip)
LOG.debug("Allocated vip %s for instance %s"%(vip, self.id))
except Exception as e:
self.set_servicestatus(ServiceStatuses.UNKNOWN)
raise e
self.update_db(deleted=False,task_status=InstanceTasks.NONE)
LOG.info("create instance_id:%s,notify monitor,autobackup" % self.id)
group_rpcapi.API(self.context).group_update(group_id)
self.send_usage_event('create', instance_size=flavor['ram'])
def test_update_type(self):
item = self._create(self.group_id, MASTER)
InstanceGroupItem.update_type(self.context, item.id,STANDBY)
new_item = InstanceGroupItem.get_by_instance_id(self.context,item.instance_id)
self.assertEqual(STANDBY, new_item.type)
