def create_lb(conf, **params):
balancer_instance = vserver.Balancer(conf)
#Step 1. Parse parameters came from request
balancer_instance.parseParams(params)
bal_instance = scheduller.Scheduller.Instance(conf)
# device = sched.getDevice()
device = bal_instance.getDeviceByID(balancer_instance.lb['device_id'])
lb = balancer_instance.getLB()
lb['device_id'] = device['id']
#Step 2. Save config in DB
balancer_instance.savetoDB()
#Step 3. Deploy config to device
device_driver = drivers.get_device_driver(conf, device['id'])
try:
with device_driver.request_context() as ctx:
commands.create_loadbalancer(ctx, balancer_instance)
except (exception.Error, exception.Invalid):
balancer_instance.lb.status = lb_status.ERROR
else:
balancer_instance.lb.status = lb_status.ACTIVE
balancer_instance.update()
#balancer_instance.lb.status = \
# balancer.loadbalancers.loadbalancer.LB_ACTIVE_STATUS
#balancer_instance.update()
#self._task.status = STATUS_DONE
return lb['id']
def test_create_loadbalancer(self, mf1, mf2, mf3, mf4, mf5, mf6):
cmd.create_loadbalancer(self.ctx, self.balancer)
self.assertTrue(mf5.called, "create_probe not called")
self.assertTrue(mf4.called, "create_server_farm not called")
self.assertTrue(mf3.called, "create_rserver not called")
self.assertTrue(mf2.called, "add_rserver_server_farm not called")
self.assertTrue(mf6.called, "add_probe_to_server_farm not called")
self.assertTrue(mf1.called, "create_vip not called")
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})
def test_create_loadbalancer_only_lb(self,
mock_create_server_farm,
mock_create_vip,
mock_add_node_to_loadbalancer,
mock_add_probe_to_loadbalancer,
mock_create_sticky):
cmd.create_loadbalancer(self.ctx, 'fakesf', [], [], [], [])
mock_create_server_farm.assert_called_once_with(self.ctx, 'fakesf')
for mock_func in [mock_create_vip,
mock_add_node_to_loadbalancer,
mock_add_probe_to_loadbalancer,
mock_create_sticky]:
self.assertFalse(mock_func.called)
def create_lb(conf, params):
node_values = params.pop('nodes', [])
probe_values = params.pop('healthMonitor', [])
vip_values = params.pop('virtualIps', [])
lb_values = db_api.loadbalancer_pack_extra(params)
lb_ref = db_api.loadbalancer_create(conf, lb_values)
sf_ref = db_api.serverfarm_create(conf, {'lb_id': lb_ref['id']})
db_api.predictor_create(conf, {'sf_id': sf_ref['id'],
'type': lb_ref['algorithm']})
vip_update_values = {'protocol': lb_ref['protocol']}
vips = []
for vip in vip_values:
vip = db_api.virtualserver_pack_extra(vip)
db_api.pack_update(vip, vip_update_values)
vip['lb_id'] = lb_ref['id']
vip['sf_id'] = sf_ref['id']
vips.append(db_api.virtualserver_create(conf, vip))
servers = []
for server in node_values:
server = db_api.server_pack_extra(server)
server['sf_id'] = sf_ref['id']
servers.append(db_api.server_create(conf, server))
probes = []
for probe in probe_values:
probe = db_api.probe_pack_extra(probe)
probe['lb_id'] = lb_ref['id']
probe['sf_id'] = sf_ref['id']
probes.append(db_api.probe_create(conf, probe))
device_ref = scheduler.schedule(conf, lb_ref)
db_api.loadbalancer_update(conf, lb_ref['id'],
{'device_id': device_ref['id']})
device_driver = drivers.get_device_driver(conf, device_ref['id'])
with device_driver.request_context() as ctx:
try:
commands.create_loadbalancer(ctx, sf_ref, vips, servers, probes,
[])
except Exception:
with utils.save_and_reraise_exception():
db_api.loadbalancer_update(conf, lb_ref['id'],
{'status': lb_status.ERROR,
'deployed': False})
db_api.loadbalancer_update(conf, lb_ref['id'],
{'status': lb_status.ACTIVE,
'deployed': True})
return lb_ref['id']
def test_create_loadbalancer(self,
mock_create_server_farm,
mock_create_vip,
mock_add_node_to_loadbalancer,
mock_add_probe_to_loadbalancer,
mock_create_sticky):
cmd.create_loadbalancer(self.ctx, 'fakesf',
['fakevip'],
['fakeserver'],
['fakeprobe'],
['fakesticky'])
mock_create_server_farm.assert_called_once_with(self.ctx, 'fakesf')
mock_create_vip.assert_called_once_with(self.ctx, 'fakevip', 'fakesf')
mock_add_node_to_loadbalancer.assert_called_once_with(self.ctx,
'fakesf',
'fakeserver')
mock_add_probe_to_loadbalancer.assert_called_once_with(self.ctx,
'fakesf',
'fakeprobe')
mock_create_sticky.assert_called_once_with(self.ctx, 'fakesticky')
def create_lb(conf, params):
nodes = params.pop('nodes', [])
probes = params.pop('healthMonitor', [])
vips = params.pop('virtualIps', [])
values = db_api.loadbalancer_pack_extra(params)
lb_ref = db_api.loadbalancer_create(conf, values)
device = scheduler.schedule_loadbalancer(conf, lb_ref)
device_driver = drivers.get_device_driver(conf, device['id'])
lb = db_api.unpack_extra(lb_ref)
lb['device_id'] = device['id']
lb_ref = db_api.loadbalancer_pack_extra(lb)
try:
with device_driver.request_context() as ctx:
commands.create_loadbalancer(ctx, lb_ref, nodes, probes, vips)
except (exception.Error, exception.Invalid):
lb_ref.status = lb_status.ERROR
lb_ref.deployed = 'False'
else:
lb_ref.status = lb_status.ACTIVE
lb_ref.deployed = 'True'
db_api.loadbalancer_update(conf, lb['id'], lb_ref)
return lb_ref['id']
