def update_nat_rules(self, router_id, edge_id, snats, dnats,
jobdata=None):
LOG.debug("VCNS: update nat rule\n"
"SNAT:%(snat)s\n"
"DNAT:%(dnat)s\n", {
'snat': snats, 'dnat': dnats})
nat_rules = []
for dnat in dnats:
nat_rules.append(self._assemble_nat_rule(
'dnat', dnat['dst'], dnat['translated']))
nat_rules.append(self._assemble_nat_rule(
'snat', dnat['translated'], dnat['dst']))
for snat in snats:
nat_rules.append(self._assemble_nat_rule(
'snat', snat['src'], snat['translated']))
userdata = {
'edge_id': edge_id,
'rules': nat_rules,
'jobdata': jobdata,
}
task_name = "update-nat-%s" % edge_id
task = tasks.Task(task_name, router_id, self._update_nat_rule,
userdata=userdata)
task.add_result_monitor(self.callbacks.nat_update_result)
self.updated_task['nat'][edge_id] = task
self.task_manager.add(task)
return task
def update_interface(self, router_id, edge_id, index, network,
address=None, netmask=None, secondary=None,
jobdata=None):
LOG.debug("VCNS: update vnic %(index)d: %(addr)s %(netmask)s", {
'index': index, 'addr': address, 'netmask': netmask})
if index == vcns_const.EXTERNAL_VNIC_INDEX:
name = vcns_const.EXTERNAL_VNIC_NAME
intf_type = 'uplink'
elif index == vcns_const.INTERNAL_VNIC_INDEX:
name = vcns_const.INTERNAL_VNIC_NAME
intf_type = 'internal'
else:
msg = _("Vnic %d currently not supported") % index
raise exceptions.VcnsGeneralException(msg)
config = self._assemble_edge_vnic(
name, index, network, address, netmask, secondary, type=intf_type)
userdata = {
'edge_id': edge_id,
'config': config,
'jobdata': jobdata
}
task_name = "update-interface-%s-%d" % (edge_id, index)
task = tasks.Task(task_name, router_id,
self._update_interface, userdata=userdata)
task.add_result_monitor(self.callbacks.interface_update_result)
self.task_manager.add(task)
return task
def create_dnat_rule(self,
router_id,
edge_id,
dst,
translated,
jobdata=None,
location=None):
# TODO(fank): use POST for optimization
# return rule_id for future reference
LOG.debug("VCNS: create dnat rule %(dst)s/%(translated)s", {
'dst': dst,
'translated': translated
})
dnat_rule = self._assemble_nat_rule("dnat", dst, translated)
userdata = {
'router_id': router_id,
'edge_id': edge_id,
'rule': dnat_rule,
'location': location,
'jobdata': jobdata
}
task_name = "create-dnat-%s-%s-%s" % (edge_id, dst, translated)
task = tasks.Task(task_name,
router_id,
self._create_nat_rule,
userdata=userdata)
task.add_result_monitor(self.callbacks.dnat_create_result)
self.task_manager.add(task)
return task
def update_routes(self,
router_id,
edge_id,
gateway,
routes,
skippable=True,
jobdata=None):
if gateway:
gateway = gateway.split('/')[0]
userdata = {
'edge_id': edge_id,
'gateway': gateway,
'routes': routes,
'skippable': skippable,
'jobdata': jobdata
}
task_name = "update-routes-%s" % (edge_id)
task = tasks.Task(task_name,
router_id,
self._update_routes,
userdata=userdata)
task.add_result_monitor(self.callbacks.routes_update_result)
self.updated_task['route'][edge_id] = task
self.task_manager.add(task)
return task
def test_task_manager_task_parallel_process(self):
tasks = []
def _exec(task):
task.userdata['executed'] = True
return TaskStatus.PENDING
def _status(task):
for t in tasks:
if not t.userdata.get('executed'):
t.userdata['resut'] = False
return TaskStatus.COMPLETED
def _result(task):
if (task.userdata.get('result') is None
and task.status == TaskStatus.COMPLETED):
task.userdata['result'] = True
else:
task.userdata['result'] = False
for i in range(5):
name = "name-%d" % i
res = 'resource-%d' % i
task = ts.Task(name, res, _exec, _status, _result, {})
tasks.append(task)
self.manager.add(task)
for task in tasks:
task.wait(TaskState.RESULT)
self.assertTrue(task.userdata['result'])
def create_snat_rule(self,
router_id,
edge_id,
src,
translated,
jobdata=None,
location=None):
LOG.debug("VCNS: create snat rule %(src)s/%(translated)s", {
'src': src,
'translated': translated
})
snat_rule = self._assemble_nat_rule("snat", src, translated)
userdata = {
'router_id': router_id,
'edge_id': edge_id,
'rule': snat_rule,
'location': location,
'jobdata': jobdata
}
task_name = "create-snat-%s-%s-%s" % (edge_id, src, translated)
task = tasks.Task(task_name,
router_id,
self._create_nat_rule,
userdata=userdata)
task.add_result_monitor(self.callbacks.snat_create_result)
self.task_manager.add(task)
return task
def delete_edge(self, router_id, edge_id, jobdata=None):
task_name = 'delete-%s' % edge_id
userdata = {
'router_id': router_id,
'edge_id': edge_id,
'jobdata': jobdata
}
task = tasks.Task(task_name, router_id, self._delete_edge,
userdata=userdata)
task.add_result_monitor(self.callbacks.edge_delete_result)
self.task_manager.add(task)
return task
def deploy_edge(self,
router_id,
name,
internal_network,
jobdata=None,
wait_for_exec=False,
loadbalancer_enable=True):
task_name = 'deploying-%s' % name
edge_name = name
edge = self._assemble_edge(
edge_name,
datacenter_moid=self.datacenter_moid,
deployment_container_id=self.deployment_container_id,
appliance_size='large',
remote_access=True)
appliance = self._assemble_edge_appliance(self.resource_pool_id,
self.datastore_id)
if appliance:
edge['appliances']['appliances'] = [appliance]
vnic_external = self._assemble_edge_vnic(
vcns_const.EXTERNAL_VNIC_NAME,
vcns_const.EXTERNAL_VNIC_INDEX,
self.external_network,
type="uplink")
edge['vnics']['vnics'].append(vnic_external)
vnic_inside = self._assemble_edge_vnic(
vcns_const.INTERNAL_VNIC_NAME,
vcns_const.INTERNAL_VNIC_INDEX,
internal_network,
vcns_const.INTEGRATION_EDGE_IPADDRESS,
vcns_const.INTEGRATION_SUBNET_NETMASK,
type="internal")
edge['vnics']['vnics'].append(vnic_inside)
if loadbalancer_enable:
self._enable_loadbalancer(edge)
userdata = {'request': edge, 'router_name': name, 'jobdata': jobdata}
task = tasks.Task(task_name,
router_id,
self._deploy_edge,
status_callback=self._status_edge,
result_callback=self._result_edge,
userdata=userdata)
task.add_executed_monitor(self.callbacks.edge_deploy_started)
task.add_result_monitor(self.callbacks.edge_deploy_result)
self.task_manager.add(task)
if wait_for_exec:
# wait until the deploy task is executed so edge_id is available
task.wait(constants.TaskState.EXECUTED)
return task
def delete_snat_rule(self, router_id, edge_id, src, jobdata=None):
LOG.debug("VCNS: delete snat rule %s", src)
userdata = {
'edge_id': edge_id,
'address': src,
'addrtype': 'originalAddress',
'jobdata': jobdata
}
task_name = "delete-snat-%s-%s" % (edge_id, src)
task = tasks.Task(task_name, router_id, self._delete_nat_rule,
userdata=userdata)
task.add_result_monitor(self.callbacks.snat_delete_result)
self.task_manager.add(task)
return task
def delete_dnat_rule(self, router_id, edge_id, translated,
jobdata=None):
# TODO(fank): pass in rule_id for optimization
LOG.debug("VCNS: delete dnat rule %s", translated)
userdata = {
'edge_id': edge_id,
'address': translated,
'addrtype': 'translatedAddress',
'jobdata': jobdata
}
task_name = "delete-dnat-%s-%s" % (edge_id, translated)
task = tasks.Task(task_name, router_id, self._delete_nat_rule,
userdata=userdata)
task.add_result_monitor(self.callbacks.dnat_delete_result)
self.task_manager.add(task)
return task
def _test_task_manager_stop(self,
exec_wait=False,
result_wait=False,
stop_wait=0):
def _exec(task):
if exec_wait:
greenthread.sleep(0.01)
return TaskStatus.PENDING
def _status(task):
greenthread.sleep(0.01)
return TaskStatus.PENDING
def _result(task):
if result_wait:
greenthread.sleep(0)
pass
manager = ts.TaskManager().start(100)
manager.stop()
# Task manager should not leave running threads around
# if _thread is None it means it was killed in stop()
self.assertIsNone(manager._thread)
manager.start(100)
alltasks = {}
for i in range(100):
res = 'res-%d' % i
tasks = []
for i in range(100):
task = ts.Task('name', res, _exec, _status, _result)
manager.add(task)
tasks.append(task)
alltasks[res] = tasks
greenthread.sleep(stop_wait)
manager.stop()
# Task manager should not leave running threads around
# if _thread is None it means it was killed in stop()
self.assertIsNone(manager._thread)
for res, tasks in alltasks.iteritems():
for task in tasks:
self.assertEqual(task.status, TaskStatus.ABORT)
def test_task_pending_task(self):
def _exec(task):
task.userdata['executing'] = True
while not task.userdata['tested']:
greenthread.sleep(0)
task.userdata['executing'] = False
return TaskStatus.COMPLETED
userdata = {'executing': False, 'tested': False}
manager = ts.TaskManager().start(100)
task = ts.Task('name', 'res', _exec, userdata=userdata)
manager.add(task)
while not userdata['executing']:
greenthread.sleep(0)
self.assertTrue(manager.has_pending_task())
userdata['tested'] = True
while userdata['executing']:
greenthread.sleep(0)
self.assertFalse(manager.has_pending_task())
def test_task_manager_task_ordered_process(self):
def _task_failed(task, reason):
task.userdata['result'] = False
task.userdata['error'] = reason
def _exec(task):
task.userdata['executed'] = True
return TaskStatus.PENDING
def _status(task):
return TaskStatus.COMPLETED
def _result(task):
next_task = task.userdata.get('next')
if next_task:
if next_task.userdata.get('executed'):
_task_failed(next_task, "executed premature")
if task.userdata.get('result', True):
task.userdata['result'] = True
tasks = []
prev = None
last_task = None
for i in range(5):
name = "name-%d" % i
task = ts.Task(name, 'res', _exec, _status, _result, {})
tasks.append(task)
if prev:
prev.userdata['next'] = task
prev = task
last_task = task
for task in tasks:
self.manager.add(task)
last_task.wait(TaskState.RESULT)
for task in tasks:
self.assertTrue(task.userdata['result'])
def _test_task_manager_task_process_state(self, sync_exec=False):
def _task_failed(task, reason):
task.userdata['result'] = False
task.userdata['error'] = reason
def _check_state(task, exp_state):
if not task.userdata.get('result', True):
return False
state = task.userdata['state']
if state != exp_state:
msg = "state %d expect %d" % (state, exp_state)
_task_failed(task, msg)
return False
task.userdata['state'] = state + 1
return True
def _exec(task):
if not _check_state(task, 1):
return TaskStatus.ERROR
if task.userdata['sync_exec']:
return TaskStatus.COMPLETED
else:
return TaskStatus.PENDING
def _status(task):
if task.userdata['sync_exec']:
_task_failed(task, "_status callback triggered")
state = task.userdata['state']
if state == 3:
_check_state(task, 3)
return TaskStatus.PENDING
else:
_check_state(task, 4)
return TaskStatus.COMPLETED
def _result(task):
if task.userdata['sync_exec']:
exp_state = 3
else:
exp_state = 5
_check_state(task, exp_state)
def _start_monitor(task):
_check_state(task, 0)
def _executed_monitor(task):
_check_state(task, 2)
def _result_monitor(task):
if task.userdata['sync_exec']:
exp_state = 4
else:
exp_state = 6
if _check_state(task, exp_state):
task.userdata['result'] = True
else:
task.userdata['result'] = False
userdata = {'state': 0, 'sync_exec': sync_exec}
task = ts.Task('name', 'res', _exec, _status, _result, userdata)
task.add_start_monitor(_start_monitor)
task.add_executed_monitor(_executed_monitor)
task.add_result_monitor(_result_monitor)
self.manager.add(task)
task.wait(TaskState.RESULT)
self.assertTrue(userdata['result'])
