Exemple #1
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    def setUp(self):
        super(TestObject, self).setUp()

        class TestableObject(obj_base.NovaObject):
            fields = {
                'uuid': fields.StringField(),
            }

            def __eq__(self, value):
                # NOTE(danms): Be rather lax about this equality thing to
                # satisfy the assertEqual() in test_from_primitive(). We
                # just want to make sure the right type of object is re-created
                return value.__class__.__name__ == TestableObject.__name__

        class OtherTestableObject(obj_base.NovaObject):
            pass

        test_inst = TestableObject()
        self._test_cls = TestableObject
        self.field = fields.Field(fields.Object('TestableObject'))
        self.coerce_good_values = [(test_inst, test_inst)]
        self.coerce_bad_values = [OtherTestableObject(), 1, 'foo']
        self.to_primitive_values = [(test_inst, test_inst.obj_to_primitive())]
        self.from_primitive_values = [(test_inst.obj_to_primitive(),
                                       test_inst), (test_inst, test_inst)]
Exemple #2
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 def setUp(self):
     super(TestField, self).setUp()
     self.field = fields.Field(FakeFieldType())
     self.coerce_good_values = [('foo', '*foo*')]
     self.coerce_bad_values = []
     self.to_primitive_values = [('foo', '!foo!')]
     self.from_primitive_values = [('!foo!', 'foo')]
Exemple #3
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 def setUp(self):
     super(TestList, self).setUp()
     self.field = fields.Field(fields.List(FakeFieldType()))
     self.coerce_good_values = [(['foo', 'bar'], ['*foo*', '*bar*'])]
     self.coerce_bad_values = ['foo']
     self.to_primitive_values = [(['foo'], ['!foo!'])]
     self.from_primitive_values = [(['!foo!'], ['foo'])]
Exemple #4
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 def setUp(self):
     super(TestNetworkModel, self).setUp()
     model = network_model.NetworkInfo()
     self.field = fields.Field(fields.NetworkModel())
     self.coerce_good_values = [(model, model), (model.json(), model)]
     self.coerce_bad_values = [[], 'foo']
     self.to_primitive_values = [(model, model.json())]
     self.from_primitive_values = [(model.json(), model)]
Exemple #5
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 def setUp(self):
     super(TestSet, self).setUp()
     self.field = fields.Field(fields.Set(FakeFieldType()))
     self.coerce_good_values = [(set(['foo',
                                      'bar']), set(['*foo*', '*bar*']))]
     self.coerce_bad_values = [['foo'], {'foo': 'bar'}]
     self.to_primitive_values = [(set(['foo']), tuple(['!foo!']))]
     self.from_primitive_values = [(tuple(['!foo!']), set(['foo']))]
Exemple #6
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 def setUp(self):
     super(TestIPV6Network, self).setUp()
     self.field = fields.Field(fields.IPV6Network())
     good = ['::1/128', '::1/64', '::1/0']
     self.coerce_good_values = [(x, netaddr.IPNetwork(x)) for x in good]
     self.coerce_bad_values = [
         '192.168.0.0/f', '192.168.0.0/foo', '::1/129', '192.168.0.0/-1'
     ]
     self.to_primitive_values = [(netaddr.IPNetwork(x), x) for x in good]
     self.from_primitive_values = [(x, netaddr.IPNetwork(x)) for x in good]
Exemple #7
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 def setUp(self):
     super(TestDict, self).setUp()
     self.field = fields.Field(fields.Dict(FakeFieldType()))
     self.coerce_good_values = [({
         'foo': 'bar'
     }, {
         'foo': '*bar*'
     }), ({
         'foo': 1
     }, {
         'foo': '*1*'
     })]
     self.coerce_bad_values = [{1: 'bar'}, 'foo']
     self.to_primitive_values = [({'foo': 'bar'}, {'foo': '!bar!'})]
     self.from_primitive_values = [({'foo': '!bar!'}, {'foo': 'bar'})]
class InstanceInfoCache(base.NovaPersistentObject, base.NovaObject,
                        base.NovaObjectDictCompat):
    # Version 1.0: Initial version
    # Version 1.1: Converted network_info to store the model.
    # Version 1.2: Added new() and update_cells kwarg to save().
    # Version 1.3: Added delete()
    # Version 1.4: String attributes updated to support unicode
    # Version 1.5: Actually set the deleted, created_at, updated_at, and
    #              deleted_at attributes
    VERSION = '1.5'

    fields = {
        'instance_uuid': fields.UUIDField(),
        'network_info': fields.Field(fields.NetworkModel(), nullable=True),
        }

    @staticmethod
    def _from_db_object(context, info_cache, db_obj):
        for field in info_cache.fields:
            info_cache[field] = db_obj[field]
        info_cache.obj_reset_changes()
        info_cache._context = context
        return info_cache

    @classmethod
    def new(cls, context, instance_uuid):
        """Create an InfoCache object that can be used to create the DB
        entry for the first time.

        When save()ing this object, the info_cache_update() DB call
        will properly handle creating it if it doesn't exist already.
        """
        info_cache = cls()
        info_cache.instance_uuid = instance_uuid
        info_cache.network_info = None
        info_cache._context = context
        # Leave the fields dirty
        return info_cache

    @base.remotable_classmethod
    def get_by_instance_uuid(cls, context, instance_uuid):
        db_obj = db.instance_info_cache_get(context, instance_uuid)
        if not db_obj:
            raise exception.InstanceInfoCacheNotFound(
                    instance_uuid=instance_uuid)
        return cls._from_db_object(context, cls(context), db_obj)

    @staticmethod
    def _info_cache_cells_update(ctxt, info_cache):
        cell_type = cells_opts.get_cell_type()
        if cell_type != 'compute':
            return
        cells_api = cells_rpcapi.CellsAPI()
        try:
            cells_api.instance_info_cache_update_at_top(ctxt, info_cache)
        except Exception:
            LOG.exception(_LE("Failed to notify cells of instance info "
                              "cache update"))

    @base.remotable
    def save(self, update_cells=True):
        if 'network_info' in self.obj_what_changed():
            nw_info_json = self.fields['network_info'].to_primitive(
                self, 'network_info', self.network_info)
            rv = db.instance_info_cache_update(self._context,
                                               self.instance_uuid,
                                               {'network_info': nw_info_json})
            if update_cells and rv:
                self._info_cache_cells_update(self._context, rv)
        self.obj_reset_changes()

    @base.remotable
    def delete(self):
        db.instance_info_cache_delete(self._context, self.instance_uuid)

    @base.remotable
    def refresh(self):
        current = self.__class__.get_by_instance_uuid(self._context,
                                                      self.instance_uuid)
        current._context = None

        for field in self.fields:
            if self.obj_attr_is_set(field) and self[field] != current[field]:
                self[field] = current[field]

        self.obj_reset_changes()