예제 #1
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파일: chance.py 프로젝트: DarkSinclair/nova
 def schedule_create_volume(self, context, volume_id, snapshot_id,
                            image_id):
     """Picks a host that is up at random."""
     host = self._schedule(context, FLAGS.volume_topic, None, {})
     driver.cast_to_host(context, FLAGS.volume_topic, host, 'create_volume',
                         volume_id=volume_id, snapshot_id=snapshot_id,
                         image_id=image_id)
예제 #2
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    def schedule_prep_resize(self, context, request_spec, *args, **kwargs):
        """Select a target for resize.

        Selects a target host for the instance, post-resize, and casts
        the prep_resize operation to it.
        """

        # We need the new instance type ID...
        instance_type_id = kwargs['instance_type_id']

        elevated = context.elevated()
        LOG.debug(_("Attempting to determine target host for resize to "
                    "instance type %(instance_type_id)s") % locals())

        # Convert it to an actual instance type
        instance_type = db.instance_type_get(elevated, instance_type_id)

        # Now let's grab a possibility
        hosts = self._schedule(elevated, 'compute', request_spec,
                               *args, **kwargs)
        if not hosts:
            raise exception.NoValidHost(reason=_(""))
        host = hosts.pop(0)

        # Forward off to the host
        driver.cast_to_host(context, 'compute', host.host, 'prep_resize',
                            **kwargs)
예제 #3
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    def schedule_prep_resize(self, context, request_spec, *args, **kwargs):
        """Select a target for resize.

        Selects a target host for the instance, post-resize, and casts
        the prep_resize operation to it.
        """

        # We need the new instance type ID...
        instance_type_id = kwargs["instance_type_id"]

        elevated = context.elevated()
        LOG.debug(
            _("Attempting to determine target host for resize to " "instance type %(instance_type_id)s") % locals()
        )

        # Convert it to an actual instance type
        instance_type = db.instance_type_get(elevated, instance_type_id)

        # Now let's grab a possibility
        hosts = self._schedule(elevated, "compute", request_spec, *args, **kwargs)
        if not hosts:
            raise exception.NoValidHost(reason=_(""))
        host = hosts.pop(0)

        # Forward off to the host
        driver.cast_to_host(context, "compute", host.host, "prep_resize", **kwargs)
예제 #4
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    def test_cast_to_host_network_topic(self):
        host = "fake_host1"
        method = "fake_method"
        fake_kwargs = {"extra_arg": "meow"}

        self.mox.StubOutWithMock(driver, "cast_to_network_host")
        driver.cast_to_network_host(self.context, host, method, **fake_kwargs)

        self.mox.ReplayAll()
        driver.cast_to_host(self.context, "network", host, method, **fake_kwargs)
예제 #5
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    def test_cast_to_host_network_topic(self):
        host = 'fake_host1'
        method = 'fake_method'
        fake_kwargs = {'extra_arg': 'meow'}

        self.mox.StubOutWithMock(driver, 'cast_to_network_host')
        driver.cast_to_network_host(self.context, host, method, **fake_kwargs)

        self.mox.ReplayAll()
        driver.cast_to_host(self.context, 'network', host, method,
                            **fake_kwargs)
예제 #6
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 def schedule_create_volume(self, context, volume_id, snapshot_id,
                            image_id):
     """Picks a host that is up at random."""
     host = self._schedule(context, FLAGS.volume_topic, None, {})
     driver.cast_to_host(context,
                         FLAGS.volume_topic,
                         host,
                         'create_volume',
                         volume_id=volume_id,
                         snapshot_id=snapshot_id,
                         image_id=image_id)
예제 #7
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    def test_cast_to_host_network_topic(self):
        host = 'fake_host1'
        method = 'fake_method'
        fake_kwargs = {'extra_arg': 'meow'}

        self.mox.StubOutWithMock(driver, 'cast_to_network_host')
        driver.cast_to_network_host(self.context, host, method,
                update_db=False, **fake_kwargs)

        self.mox.ReplayAll()
        driver.cast_to_host(self.context, 'network', host, method,
                update_db=False, **fake_kwargs)
예제 #8
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    def test_cast_to_host_volume_topic(self):
        host = 'fake_host1'
        method = 'fake_method'
        fake_kwargs = {'extra_arg': 'meow'}

        self.mox.StubOutWithMock(driver, 'cast_to_volume_host')
        driver.cast_to_volume_host(self.context, host, method,
                update_db=False, **fake_kwargs)

        self.mox.ReplayAll()
        driver.cast_to_host(self.context, 'volume', host, method,
                update_db=False, **fake_kwargs)
예제 #9
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    def test_cast_to_host_volume_topic(self):
        host = 'fake_host1'
        method = 'fake_method'
        fake_kwargs = {'extra_arg': 'meow'}

        self.mox.StubOutWithMock(driver, 'cast_to_volume_host')
        driver.cast_to_volume_host(self.context, host, method,
                **fake_kwargs)

        self.mox.ReplayAll()
        driver.cast_to_host(self.context, 'volume', host, method,
                **fake_kwargs)
예제 #10
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    def test_cast_to_host_unknown_topic(self):
        host = "fake_host1"
        method = "fake_method"
        fake_kwargs = {"extra_arg": "meow"}
        topic = "unknown"
        queue = "fake_queue"

        self.mox.StubOutWithMock(rpc, "queue_get_for")
        self.mox.StubOutWithMock(rpc, "cast")

        rpc.queue_get_for(self.context, topic, host).AndReturn(queue)
        rpc.cast(self.context, queue, {"method": method, "args": fake_kwargs})

        self.mox.ReplayAll()
        driver.cast_to_host(self.context, topic, host, method, **fake_kwargs)
예제 #11
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    def test_cast_to_host_unknown_topic(self):
        host = 'fake_host1'
        method = 'fake_method'
        fake_kwargs = {'extra_arg': 'meow'}
        topic = 'unknown'
        queue = 'fake_queue'

        self.mox.StubOutWithMock(rpc, 'queue_get_for')
        self.mox.StubOutWithMock(rpc, 'cast')

        rpc.queue_get_for(self.context, topic, host).AndReturn(queue)
        rpc.cast(self.context, queue, {'method': method, 'args': fake_kwargs})

        self.mox.ReplayAll()
        driver.cast_to_host(self.context, topic, host, method, **fake_kwargs)
예제 #12
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    def test_cast_to_host_unknown_topic(self):
        host = 'fake_host1'
        method = 'fake_method'
        fake_kwargs = {'extra_arg': 'meow'}
        topic = 'unknown'
        queue = 'fake_queue'

        self.mox.StubOutWithMock(db, 'queue_get_for')
        self.mox.StubOutWithMock(rpc, 'cast')

        db.queue_get_for(self.context, topic, host).AndReturn(queue)
        rpc.cast(self.context, queue,
                {'method': method,
                 'args': fake_kwargs})

        self.mox.ReplayAll()
        driver.cast_to_host(self.context, topic, host, method,
                update_db=False, **fake_kwargs)
예제 #13
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    def test_basic_schedule_fallback(self):
        ctxt = context.RequestContext('fake', 'fake', False)
        ctxt_elevated = 'fake-context-elevated'
        topic = 'fake_topic'
        method = 'fake_method'
        fake_args = (1, 2, 3)
        fake_kwargs = {'fake_kwarg1': 'fake_value1',
                       'fake_kwarg2': 'fake_value2'}

        self.mox.StubOutWithMock(ctxt, 'elevated')
        self.mox.StubOutWithMock(self.driver, 'hosts_up')
        self.mox.StubOutWithMock(random, 'random')
        self.mox.StubOutWithMock(driver, 'cast_to_host')

        ctxt.elevated().AndReturn(ctxt_elevated)
        self.driver.hosts_up(ctxt_elevated, topic).AndReturn(
                ['host1', 'host2', 'host3', 'host4'])
        random.random().AndReturn(.5)
        driver.cast_to_host(ctxt, topic, 'host3', method, **fake_kwargs)

        self.mox.ReplayAll()
        self.driver.schedule(ctxt, topic, method, *fake_args, **fake_kwargs)
예제 #14
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    def test_basic_schedule_fallback(self):
        ctxt = context.RequestContext('fake', 'fake', False)
        ctxt_elevated = 'fake-context-elevated'
        topic = 'fake_topic'
        method = 'fake_method'
        fake_args = (1, 2, 3)
        fake_kwargs = {'fake_kwarg1': 'fake_value1',
                       'fake_kwarg2': 'fake_value2'}

        self.mox.StubOutWithMock(ctxt, 'elevated')
        self.mox.StubOutWithMock(self.driver, 'hosts_up')
        self.mox.StubOutWithMock(random, 'random')
        self.mox.StubOutWithMock(driver, 'cast_to_host')

        ctxt.elevated().AndReturn(ctxt_elevated)
        self.driver.hosts_up(ctxt_elevated, topic).AndReturn(
                ['host1', 'host2', 'host3', 'host4'])
        random.random().AndReturn(.5)
        driver.cast_to_host(ctxt, topic, 'host3', method, **fake_kwargs)

        self.mox.ReplayAll()
        self.driver.schedule(ctxt, topic, method, *fake_args, **fake_kwargs)
예제 #15
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파일: chance.py 프로젝트: BillTheBest/nova
 def schedule_prep_resize(self, context, request_spec, *args, **kwargs):
     """Select a target for resize."""
     host = self._schedule(context, 'compute', request_spec, **kwargs)
     driver.cast_to_host(context, 'compute', host, 'prep_resize', **kwargs)
예제 #16
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파일: chance.py 프로젝트: BillTheBest/nova
    def schedule(self, context, topic, method, *_args, **kwargs):
        """Picks a host that is up at random."""

        host = self._schedule(context, topic, None, **kwargs)
        driver.cast_to_host(context, topic, host, method, **kwargs)
예제 #17
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파일: chance.py 프로젝트: yamahata/nova
 def schedule_prep_resize(self, context, request_spec, *args, **kwargs):
     """Select a target for resize."""
     host = self._schedule(context, 'compute', request_spec, **kwargs)
     driver.cast_to_host(context, 'compute', host, 'prep_resize', **kwargs)
예제 #18
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파일: chance.py 프로젝트: xtoddx/nova
    def schedule(self, context, topic, method, *_args, **kwargs):
        """Picks a host that is up at random."""

        host = self._schedule(context, topic, None, **kwargs)
        driver.cast_to_host(context, topic, host, method, **kwargs)
예제 #19
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파일: chance.py 프로젝트: danehans/nova
    def schedule(self, context, topic, method, *_args, **kwargs):
        """Picks a host that is up at random."""

        filter_properties = kwargs.get('filter_properties', {})
        host = self._schedule(context, topic, None, filter_properties)
        driver.cast_to_host(context, topic, host, method, **kwargs)
예제 #20
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파일: zone.py 프로젝트: Oneiroi/nova
 def schedule(self, context, topic, method, *_args, **kwargs):
     host = self._schedule(context, topic, None, **kwargs)
     driver.cast_to_host(context, topic, host, method, **kwargs)
예제 #21
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    def schedule(self, context, topic, method, *_args, **kwargs):
        """Picks a host that is up at random."""

        filter_properties = kwargs.get('filter_properties', {})
        host = self._schedule(context, topic, None, filter_properties)
        driver.cast_to_host(context, topic, host, method, **kwargs)