def test_predictor_get_by_sf_id(self):
values1 = get_fake_predictor('1')
values2 = get_fake_predictor('2')
predictor1 = db_api.predictor_create(self.conf, values1)
predictor2 = db_api.predictor_create(self.conf, values2)
predictor_ref1 = db_api.predictor_get_by_sf_id(self.conf, '1')
predictor_ref2 = db_api.predictor_get_by_sf_id(self.conf, '2')
self.assertEqual(dict(predictor_ref1.iteritems()),
dict(predictor1.iteritems()))
self.assertEqual(dict(predictor_ref2.iteritems()),
dict(predictor2.iteritems()))
def create_server_farm(ctx, sf_ref):
try:
predictor_ref = db_api.predictor_get_by_sf_id(ctx.conf, sf_ref['id'])
ctx.device.create_server_farm(sf_ref, predictor_ref)
db_api.serverfarm_update(ctx.conf, sf_ref['id'], {'deployed': True})
yield
except Exception:
with utils.save_and_reraise_exception():
delete_server_farm(ctx, sf_ref)
def update_lb(conf, tenant_id, lb_id, lb_body):
lb_ref = db_api.loadbalancer_get(conf, lb_id, tenant_id=tenant_id)
old_lb_ref = copy.deepcopy(lb_ref)
db_api.pack_update(lb_ref, lb_body)
lb_ref = db_api.loadbalancer_update(conf, lb_id, lb_ref)
if (lb_ref['algorithm'] == old_lb_ref['algorithm'] and
lb_ref['protocol'] == old_lb_ref['protocol']):
LOG.debug("In LB %r algorithm and protocol have not changed, "
"nothing to do on the device %r.",
lb_ref['id'], lb_ref['device_id'])
return
sf_ref = db_api.serverfarm_get_all_by_lb_id(conf, lb_ref['id'])[0]
if lb_ref['algorithm'] != old_lb_ref['algorithm']:
predictor_ref = db_api.predictor_get_by_sf_id(conf, sf_ref['id'])
db_api.predictor_update(conf, predictor_ref['id'],
{'type': lb_ref['algorithm']})
vips = db_api.virtualserver_get_all_by_sf_id(conf, sf_ref['id'])
if lb_ref['protocol'] != old_lb_ref['protocol']:
vip_update_values = {'protocol': lb_ref['protocol']}
for vip in vips:
db_api.pack_update(vip, vip_update_values)
db_api.virtualserver_update(conf, vip['id'], vip)
servers = db_api.server_get_all_by_sf_id(conf, sf_ref['id'])
probes = db_api.probe_get_all_by_sf_id(conf, sf_ref['id'])
stickies = db_api.sticky_get_all_by_sf_id(conf, sf_ref['id'])
device_ref = scheduler.reschedule(conf, lb_ref)
if device_ref['id'] != lb_ref['device_id']:
from_driver = drivers.get_device_driver(conf, lb_ref['device_id'])
to_driver = drivers.get_device_driver(conf, device_ref['id'])
lb_ref = db_api.loadbalancer_update(conf, lb_ref['id'],
{'device_id': device_ref['id']})
else:
from_driver = drivers.get_device_driver(conf, device_ref['id'])
to_driver = from_driver
with from_driver.request_context() as ctx:
try:
commands.delete_loadbalancer(ctx, sf_ref, vips, servers, probes,
stickies)
except Exception:
with utils.save_and_reraise_exception():
db_api.loadbalancer_update(conf, lb_ref['id'],
{'status': lb_status.ERROR})
with to_driver.request_context() as ctx:
try:
commands.create_loadbalancer(ctx, sf_ref, vips, servers, probes,
stickies)
except Exception:
with utils.save_and_reraise_exception():
db_api.loadbalancer_update(conf, lb_ref['id'],
{'status': lb_status.ERROR})
db_api.loadbalancer_update(conf, lb_ref['id'],
{'status': lb_status.ACTIVE})
