Python mongo_replica_set_client.MongoReplicaSetClient类代码示例

class TestMonitorRemovesRecoveringMember(HATestCase):
    # Members in STARTUP2 or RECOVERING states are shown in the primary's
    # isMaster response, but aren't secondaries and shouldn't be read from.
    # Verify that if a secondary goes into RECOVERING mode, the Monitor removes
    # it from the set of readers.

    def setUp(self):
        members = [{}, {'priority': 0}, {'priority': 0}]
        res = ha_tools.start_replica_set(members)
        self.seed, self.name = res

    def test_monitor_removes_recovering_member(self):
        self.c = MongoReplicaSetClient(
            self.seed, replicaSet=self.name, use_greenlets=use_greenlets)

        secondaries = ha_tools.get_secondaries()

        for mode in SECONDARY, SECONDARY_PREFERRED:
            partitioned_secondaries = partition_nodes(secondaries)
            utils.assertReadFromAll(self, self.c, partitioned_secondaries, mode)

        secondary, recovering_secondary = secondaries
        ha_tools.set_maintenance(recovering_secondary, True)
        sleep(2 * MONITOR_INTERVAL)

        for mode in SECONDARY, SECONDARY_PREFERRED:
            # Don't read from recovering member
            utils.assertReadFrom(self, self.c, _partition_node(secondary), mode)

    def tearDown(self):
        self.c.close()
        super(TestMonitorRemovesRecoveringMember, self).tearDown()

    def test_get_default_database(self):
        host = one(self.hosts)
        uri = "mongodb://%s:%d/foo?replicaSet=%s" % (
            host[0], host[1], self.name)

        c = MongoReplicaSetClient(uri, _connect=False)
        self.assertEqual(Database(c, 'foo'), c.get_default_database())

    def test_alive(self):
        client = self._get_client()
        self.assertTrue(client.alive())

        client = MongoReplicaSetClient("doesnt exist", replicaSet="rs", _connect=False)

        self.assertFalse(client.alive())

class TestPassiveAndHidden(HATestCase):

    def setUp(self):
        members = [{},
                   {'priority': 0},
                   {'arbiterOnly': True},
                   {'priority': 0, 'hidden': True},
                   {'priority': 0, 'slaveDelay': 5}
        ]
        res = ha_tools.start_replica_set(members)
        self.seed, self.name = res

    def test_passive_and_hidden(self):
        self.c = MongoReplicaSetClient(
            self.seed, replicaSet=self.name, use_greenlets=use_greenlets)

        passives = ha_tools.get_passives()
        passives = partition_nodes(passives)
        self.assertEqual(self.c.secondaries, set(passives))

        for mode in SECONDARY, SECONDARY_PREFERRED:
            utils.assertReadFromAll(self, self.c, passives, mode)

        ha_tools.kill_members(ha_tools.get_passives(), 2)
        sleep(2 * MONITOR_INTERVAL)
        utils.assertReadFrom(self, self.c, self.c.primary, SECONDARY_PREFERRED)

    def tearDown(self):
        self.c.close()
        super(TestPassiveAndHidden, self).tearDown()

    def test_get_default_database_with_authsource(self):
        # Ensure we distinguish database name from authSource.
        host = one(self.hosts)
        uri = "mongodb://%s:%d/foo?replicaSet=%s&authSource=src" % (host[0], host[1], self.name)

        c = MongoReplicaSetClient(uri, _connect=False)
        self.assertEqual(Database(c, "foo"), c.get_default_database())

class TestReplicaSetRequest(HATestCase):
    def setUp(self):
        members = [{}, {}, {'arbiterOnly': True}]
        res = ha_tools.start_replica_set(members)
        self.c = MongoReplicaSetClient(res[0], replicaSet=res[1],
                                       use_greenlets=use_greenlets,
                                       auto_start_request=True)

    def test_request_during_failover(self):
        primary = _partition_node(ha_tools.get_primary())
        secondary = _partition_node(ha_tools.get_random_secondary())

        self.assertTrue(self.c.auto_start_request)
        self.assertTrue(self.c.in_request())

        rs_state = self.c._MongoReplicaSetClient__rs_state
        primary_pool = rs_state.get(primary).pool
        secondary_pool = rs_state.get(secondary).pool

        # Trigger start_request on primary pool
        utils.assertReadFrom(self, self.c, primary, PRIMARY)
        self.assertTrue(primary_pool.in_request())

        # Fail over
        ha_tools.kill_primary()
        sleep(5)

        patience_seconds = 60
        for _ in range(patience_seconds):
            try:
                if ha_tools.ha_tools_debug:
                    print 'Waiting for failover'
                if ha_tools.get_primary():
                    # We have a new primary
                    break
            except ConnectionFailure:
                pass

            sleep(1)
        else:
            self.fail("Problem with test: No new primary after %s seconds"
                % patience_seconds)

        try:
            # Trigger start_request on secondary_pool, which is becoming new
            # primary
            self.c.test.test.find_one()
        except AutoReconnect:
            # We've noticed the failover now
            pass

        # The old secondary is now primary
        utils.assertReadFrom(self, self.c, secondary, PRIMARY)
        self.assertTrue(self.c.in_request())
        self.assertTrue(secondary_pool.in_request())

    def tearDown(self):
        self.c.close()
        super(TestReplicaSetRequest, self).tearDown()

    def _get_client(self, **kwargs):
        kwargs.setdefault('connectTimeoutMS', 500)

        # Assume there are no open mongods listening on a.com, b.com, ....
        bad_seeds = ['%s.com' % chr(ord('a') + i) for i in range(5)]
        seeds = ','.join(bad_seeds + [pair])
        client = MongoReplicaSetClient(seeds, replicaSet=self.name, **kwargs)

        # In case of a slow test machine.
        client._refresh_timeout_sec = 30
        return client

    def test_ipv6(self):
        try:
            client = MongoReplicaSetClient("[::1]:%d" % (port,),
                                              replicaSet=self.name)
        except:
            # Either mongod was started without --ipv6
            # or the OS doesn't support it (or both).
            raise SkipTest("No IPv6")

        # Try a few simple things
        client = MongoReplicaSetClient("mongodb://[::1]:%d" % (port,),
                                          replicaSet=self.name)
        client = MongoReplicaSetClient("mongodb://[::1]:%d/?w=0;"
                                          "replicaSet=%s" % (port, self.name))
        client = MongoReplicaSetClient("[::1]:%d,localhost:"
                                          "%d" % (port, port),
                                          replicaSet=self.name)
        client = MongoReplicaSetClient("localhost:%d,[::1]:"
                                          "%d" % (port, port),
                                          replicaSet=self.name)
        client.pymongo_test.test.save({"dummy": u"object"})
        client.pymongo_test_bernie.test.save({"dummy": u"object"})

        dbs = client.database_names()
        self.assertTrue("pymongo_test" in dbs)
        self.assertTrue("pymongo_test_bernie" in dbs)
        client.close()

class TestReplicaSetAuth(HATestCase):
    def setUp(self):
        members = [
            {},
            {'priority': 0},
            {'priority': 0},
        ]

        res = ha_tools.start_replica_set(members, auth=True)
        self.c = MongoReplicaSetClient(res[0], replicaSet=res[1],
                                       use_greenlets=use_greenlets)

        # Add an admin user to enable auth
        self.c.admin.add_user('admin', 'adminpass')
        self.c.admin.authenticate('admin', 'adminpass')

        self.db = self.c.pymongo_ha_auth
        self.db.add_user('user', 'userpass')
        self.c.admin.logout()

    def test_auth_during_failover(self):
        self.assertTrue(self.db.authenticate('user', 'userpass'))
        self.assertTrue(self.db.foo.insert({'foo': 'bar'},
                                           safe=True, w=3, wtimeout=3000))
        self.db.logout()
        self.assertRaises(OperationFailure, self.db.foo.find_one)

        primary = self.c.primary
        ha_tools.kill_members(['%s:%d' % primary], 2)

        # Let monitor notice primary's gone
        sleep(2 * MONITOR_INTERVAL)
        self.assertFalse(primary == self.c.primary)

        # Make sure we can still authenticate
        self.assertTrue(self.db.authenticate('user', 'userpass'))
        # And still query.
        self.db.read_preference = PRIMARY_PREFERRED
        self.assertEqual('bar', self.db.foo.find_one()['foo'])

    def tearDown(self):
        self.c.close()
        super(TestReplicaSetAuth, self).tearDown()

    def test_alive(self):
        primary = ha_tools.get_primary()
        secondary = ha_tools.get_random_secondary()
        primary_cx = MongoClient(primary, use_greenlets=use_greenlets)
        secondary_cx = MongoClient(secondary, use_greenlets=use_greenlets)
        rsc = MongoReplicaSetClient(
            self.seed, replicaSet=self.name, use_greenlets=use_greenlets)

        try:
            self.assertTrue(primary_cx.alive())
            self.assertTrue(secondary_cx.alive())
            self.assertTrue(rsc.alive())
    
            ha_tools.kill_primary()
            time.sleep(0.5)

            self.assertFalse(primary_cx.alive())
            self.assertTrue(secondary_cx.alive())
            self.assertFalse(rsc.alive())
            
            ha_tools.kill_members([secondary], 2)
            time.sleep(0.5)

            self.assertFalse(primary_cx.alive())
            self.assertFalse(secondary_cx.alive())
            self.assertFalse(rsc.alive())
        finally:
            rsc.close()

    def test_passive_and_hidden(self):
        self.c = MongoReplicaSetClient(
            self.seed, replicaSet=self.name, use_greenlets=use_greenlets)

        passives = ha_tools.get_passives()
        passives = partition_nodes(passives)
        self.assertEqual(self.c.secondaries, set(passives))

        for mode in SECONDARY, SECONDARY_PREFERRED:
            utils.assertReadFromAll(self, self.c, passives, mode)

        ha_tools.kill_members(ha_tools.get_passives(), 2)
        sleep(2 * MONITOR_INTERVAL)
        utils.assertReadFrom(self, self.c, self.c.primary, SECONDARY_PREFERRED)

    def setUp(self):
        members = [
            # primary
            {'tags': {'dc': 'ny', 'name': 'primary'}},

            # secondary
            {'tags': {'dc': 'la', 'name': 'secondary'}, 'priority': 0},

            # other_secondary
            {'tags': {'dc': 'ny', 'name': 'other_secondary'}, 'priority': 0},
        ]

        res = ha_tools.start_replica_set(members)
        self.seed, self.name = res

        primary = ha_tools.get_primary()
        self.primary = _partition_node(primary)
        self.primary_tags = ha_tools.get_tags(primary)
        # Make sure priority worked
        self.assertEqual('primary', self.primary_tags['name'])

        self.primary_dc = {'dc': self.primary_tags['dc']}

        secondaries = ha_tools.get_secondaries()

        (secondary, ) = [
            s for s in secondaries
            if ha_tools.get_tags(s)['name'] == 'secondary']

        self.secondary = _partition_node(secondary)
        self.secondary_tags = ha_tools.get_tags(secondary)
        self.secondary_dc = {'dc': self.secondary_tags['dc']}

        (other_secondary, ) = [
            s for s in secondaries
            if ha_tools.get_tags(s)['name'] == 'other_secondary']

        self.other_secondary = _partition_node(other_secondary)
        self.other_secondary_tags = ha_tools.get_tags(other_secondary)
        self.other_secondary_dc = {'dc': self.other_secondary_tags['dc']}

        self.c = MongoReplicaSetClient(
            self.seed, replicaSet=self.name, use_greenlets=use_greenlets)
        self.db = self.c.pymongo_test
        self.w = len(self.c.secondaries) + 1
        self.db.test.remove({}, w=self.w)
        self.db.test.insert(
            [{'foo': i} for i in xrange(10)], w=self.w)

        self.clear_ping_times()

class TestLastErrorDefaults(HATestCase):

    def setUp(self):
        members = [{}, {}]
        res = ha_tools.start_replica_set(members)
        self.seed, self.name = res
        self.c = MongoReplicaSetClient(self.seed, replicaSet=self.name,
                                       use_greenlets=use_greenlets)

    def test_get_last_error_defaults(self):
        if not version.at_least(self.c, (1, 9, 0)):
            raise SkipTest("Need MongoDB >= 1.9.0 to test getLastErrorDefaults")

        replset = self.c.local.system.replset.find_one()
        settings = replset.get('settings', {})
        # This should cause a WTimeoutError for every write command
        settings['getLastErrorDefaults'] = {
            'w': 3,
            'wtimeout': 1
        }
        replset['settings'] = settings
        replset['version'] = replset.get("version", 1) + 1

        self.c.admin.command("replSetReconfig", replset)

        self.assertRaises(WTimeoutError, self.c.pymongo_test.test.insert,
                          {'_id': 0})
        self.assertRaises(WTimeoutError, self.c.pymongo_test.test.save,
                          {'_id': 0, "a": 5})
        self.assertRaises(WTimeoutError, self.c.pymongo_test.test.update,
                          {'_id': 0}, {"$set": {"a": 10}})
        self.assertRaises(WTimeoutError, self.c.pymongo_test.test.remove,
                          {'_id': 0})

    def tearDown(self):
        self.c.close()
        super(TestLastErrorDefaults, self).tearDown()

    def test_monitor_removes_recovering_member(self):
        self.c = MongoReplicaSetClient(
            self.seed, replicaSet=self.name, use_greenlets=use_greenlets)

        secondaries = ha_tools.get_secondaries()

        for mode in SECONDARY, SECONDARY_PREFERRED:
            partitioned_secondaries = partition_nodes(secondaries)
            utils.assertReadFromAll(self, self.c, partitioned_secondaries, mode)

        secondary, recovering_secondary = secondaries
        ha_tools.set_maintenance(recovering_secondary, True)
        sleep(2 * MONITOR_INTERVAL)

        for mode in SECONDARY, SECONDARY_PREFERRED:
            # Don't read from recovering member
            utils.assertReadFrom(self, self.c, _partition_node(secondary), mode)

    def test_properties(self):
        c = MongoReplicaSetClient(pair, replicaSet=self.name)
        c.admin.command('ping')
        self.assertEqual(c.primary, self.primary)
        self.assertEqual(c.hosts, self.hosts)
        self.assertEqual(c.arbiters, self.arbiters)
        self.assertEqual(c.max_pool_size, 100)
        self.assertEqual(c.document_class, dict)
        self.assertEqual(c.tz_aware, False)

        # Make sure MRSC's properties are copied to Database and Collection
        for obj in c, c.pymongo_test, c.pymongo_test.test:
            self.assertEqual(obj.read_preference, ReadPreference.PRIMARY)
            self.assertEqual(obj.write_concern, {})

        cursor = c.pymongo_test.test.find()
        self.assertEqual(
            ReadPreference.PRIMARY, cursor._Cursor__read_preference)
        c.close()

        tag_sets = [{'dc': 'la', 'rack': '2'}, {'foo': 'bar'}]
        secondary = Secondary(tag_sets)
        c = MongoReplicaSetClient(pair, replicaSet=self.name, max_pool_size=25,
                                 document_class=SON, tz_aware=True,
                                 read_preference=secondary,
                                 acceptablelatencyms=77)
        c.admin.command('ping')
        self.assertEqual(c.primary, self.primary)
        self.assertEqual(c.hosts, self.hosts)
        self.assertEqual(c.arbiters, self.arbiters)
        self.assertEqual(c.max_pool_size, 25)
        self.assertEqual(c.document_class, SON)
        self.assertEqual(c.tz_aware, True)

        for obj in c, c.pymongo_test, c.pymongo_test.test:
            self.assertEqual(obj.read_preference, secondary)

        cursor = c.pymongo_test.test.find()
        self.assertEqual(
            secondary, cursor._Cursor__read_preference)

        nearest = Nearest([{'dc': 'ny'}, {}])
        cursor = c.pymongo_test.test.find(read_preference=nearest)

        self.assertEqual(
            nearest, cursor._Cursor__read_preference)

        if version.at_least(c, (1, 7, 4)):
            self.assertEqual(c.max_bson_size, 16777216)
        else:
            self.assertEqual(c.max_bson_size, 4194304)
        c.close()