本文整理汇总了Python中nova.db.constraint函数的典型用法代码示例。如果您正苦于以下问题：Python constraint函数的具体用法？Python constraint怎么用？Python constraint使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了constraint函数的9个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Python代码示例。
示例1: test_delete_fast_if_host_not_set
def test_delete_fast_if_host_not_set(self):
inst = self._create_instance_obj()
inst.host = ''
updates = {'progress': 0, 'task_state': task_states.DELETING}
self.mox.StubOutWithMock(inst, 'save')
self.mox.StubOutWithMock(db,
'block_device_mapping_get_all_by_instance')
self.mox.StubOutWithMock(db, 'constraint')
self.mox.StubOutWithMock(db, 'instance_destroy')
self.mox.StubOutWithMock(self.compute_api, '_create_reservations')
db.block_device_mapping_get_all_by_instance(self.context,
inst.uuid).AndReturn([])
inst.save()
self.compute_api._create_reservations(self.context,
inst, inst.instance_type_id,
inst.project_id, inst.user_id
).AndReturn(None)
db.constraint(host=mox.IgnoreArg()).AndReturn('constraint')
db.instance_destroy(self.context, inst.uuid, 'constraint')
self.mox.ReplayAll()
self.compute_api.delete(self.context, inst)
for k, v in updates.items():
self.assertEqual(inst[k], v)
开发者ID:raidwang，项目名称:nova，代码行数:28，代码来源:test_compute_api.py
示例2: test_delete_fast_if_host_not_set
def test_delete_fast_if_host_not_set(self):
inst = self._create_instance_obj()
inst.host = ''
db_inst = obj_base.obj_to_primitive(inst)
updates = {'progress': 0, 'task_state': task_states.DELETING}
new_inst = dict(db_inst, **updates)
self.mox.StubOutWithMock(db,
'block_device_mapping_get_all_by_instance')
self.mox.StubOutWithMock(db,
'instance_update_and_get_original')
self.mox.StubOutWithMock(db, 'constraint')
self.mox.StubOutWithMock(db, 'instance_destroy')
self.mox.StubOutWithMock(self.compute_api, '_create_reservations')
db.block_device_mapping_get_all_by_instance(self.context,
inst.uuid).AndReturn([])
db.instance_update_and_get_original(
self.context, inst.uuid, updates).AndReturn((db_inst, new_inst))
self.compute_api._create_reservations(self.context,
db_inst, new_inst,
inst.project_id,
inst.user_id).AndReturn(None)
db.constraint(host=mox.IgnoreArg()).AndReturn('constraint')
db.instance_destroy(self.context, inst.uuid, 'constraint')
if self.is_cells:
self.mox.StubOutWithMock(self.compute_api, '_cast_to_cells')
self.compute_api._cast_to_cells(
self.context, db_inst, 'delete')
self.mox.ReplayAll()
self.compute_api.delete(self.context, db_inst)
开发者ID:xqueralt，项目名称:nova，代码行数:34，代码来源:test_compute_api.py
示例3: test_destroy_with_not_equal_constraint_met
def test_destroy_with_not_equal_constraint_met(self):
ctx = context.get_admin_context()
instance = db.instance_create(ctx, {'task_state': 'deleting'})
constraint = db.constraint(task_state=db.not_equal('error', 'resize'))
db.instance_destroy(ctx, instance['uuid'], constraint)
self.assertRaises(exception.InstanceNotFound, db.instance_get_by_uuid,
ctx, instance['uuid'])
开发者ID:matiu2，项目名称:nova，代码行数:7，代码来源:test_db_api.py
示例4: destroy
def destroy(self):
if not self.obj_attr_is_set('id'):
raise exception.ObjectActionError(action='destroy',
reason='already destroyed')
if not self.obj_attr_is_set('uuid'):
raise exception.ObjectActionError(action='destroy',
reason='no uuid')
if not self.obj_attr_is_set('host') or not self.host:
# NOTE(danms): If our host is not set, avoid a race
constraint = db.constraint(host=db.equal_any(None))
else:
constraint = None
cell_type = cells_opts.get_cell_type()
if cell_type is not None:
stale_instance = self.obj_clone()
try:
db_inst = db.instance_destroy(self._context, self.uuid,
constraint=constraint)
self._from_db_object(self._context, self, db_inst)
except exception.ConstraintNotMet:
raise exception.ObjectActionError(action='destroy',
reason='host changed')
if cell_type == 'compute':
cells_api = cells_rpcapi.CellsAPI()
cells_api.instance_destroy_at_top(self._context, stale_instance)
delattr(self, base.get_attrname('id'))
开发者ID:amatuerone，项目名称:nova，代码行数:28，代码来源:instance.py
示例5: test_destroy_with_not_equal_constraint_not_met
def test_destroy_with_not_equal_constraint_not_met(self):
ctx = context.get_admin_context()
instance = db.instance_create(ctx, {"vm_state": "active"})
constraint = db.constraint(vm_state=db.not_equal("active", "error"))
self.assertRaises(exception.ConstraintNotMet, db.instance_destroy, ctx, instance["uuid"], constraint)
instance = db.instance_get_by_uuid(ctx, instance["uuid"])
self.assertFalse(instance["deleted"])
开发者ID:edwardt，项目名称:nova，代码行数:7，代码来源:test_db_api.py
示例6: test_destroy_with_not_equal_constraint_not_met
def test_destroy_with_not_equal_constraint_not_met(self):
ctx = context.get_admin_context()
instance = db.instance_create(ctx, {'vm_state': 'active'})
constraint = db.constraint(vm_state=db.not_equal('active', 'error'))
self.assertRaises(exception.ConstraintNotMet, db.instance_destroy,
ctx, instance['uuid'], constraint)
instance = db.instance_get_by_uuid(ctx, instance['uuid'])
self.assertFalse(instance['deleted'])
开发者ID:matiu2，项目名称:nova，代码行数:8，代码来源:test_db_api.py
示例7: destroy
def destroy(self, context):
if not self.obj_attr_is_set("id"):
raise exception.ObjectActionError(action="destroy", reason="already destroyed")
if not self.obj_attr_is_set("uuid"):
raise exception.ObjectActionError(action="destroy", reason="no uuid")
if not self.obj_attr_is_set("host") or not self.host:
# NOTE(danms): If our host is not set, avoid a race
constraint = db.constraint(host=db.equal_any(None))
else:
constraint = None
try:
db.instance_destroy(context, self.uuid, constraint=constraint)
except exception.ConstraintNotMet:
raise exception.ObjectActionError(action="destroy", reason="host changed")
delattr(self, base.get_attrname("id"))
开发者ID:prometheanfire，项目名称:nova，代码行数:16，代码来源:instance.py
示例8: destroy
def destroy(self, context):
if not self.obj_attr_is_set('id'):
raise exception.ObjectActionError(action='destroy',
reason='already destroyed')
if not self.obj_attr_is_set('uuid'):
raise exception.ObjectActionError(action='destroy',
reason='no uuid')
if not self.obj_attr_is_set('host') or not self.host:
# NOTE(danms): If our host is not set, avoid a race
constraint = db.constraint(host=db.equal_any(None))
else:
constraint = None
try:
db_inst = db.instance_destroy(context, self.uuid,
constraint=constraint)
self._from_db_object(context, self, db_inst)
except exception.ConstraintNotMet:
raise exception.ObjectActionError(action='destroy',
reason='host changed')
delattr(self, base.get_attrname('id'))
开发者ID:bigloupe，项目名称:nova，代码行数:21，代码来源:instance.py
示例9: test_destroy_with_not_equal_constraint_met
def test_destroy_with_not_equal_constraint_met(self):
ctx = context.get_admin_context()
instance = db.instance_create(ctx, {"task_state": "deleting"})
constraint = db.constraint(task_state=db.not_equal("error", "resize"))
db.instance_destroy(ctx, instance["uuid"], constraint)
self.assertRaises(exception.InstanceNotFound, db.instance_get_by_uuid, ctx, instance["uuid"])
开发者ID:edwardt，项目名称:nova，代码行数:6，代码来源:test_db_api.py
注：本文中的nova.db.constraint函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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