Python errors.AutoReconnect方法代碼示例

# 需要導入模塊: from pymongo import errors [as 別名]
# 或者: from pymongo.errors import AutoReconnect [as 別名]
def test_mongo_retry():
    retries = [2]
    self = MagicMock()
    self._arctic_lib.arctic.mongo_host = sentinel.host
    self._collection.database.client.nodes = set([('a', 12)])
    self._arctic_lib.get_name.return_value = sentinel.lib_name
    with patch('arctic.decorators._handle_error', autospec=True) as he:
        @mongo_retry
        def foo(self):
            if retries[0] == 2:
                retries[0] -= 1
                raise OperationFailure('error')
            elif retries[0] == 1:
                retries[0] -= 1
                raise AutoReconnect('error')
            return "success"
        foo(self)
    assert he.call_count == 2
    assert isinstance(he.call_args_list[0][0][1], OperationFailure)
    assert he.call_args_list[0][0][2] == 1
    assert he.call_args_list[0][1] == {'mnodes': ['a:12'],
                                       'mhost': 'sentinel.host',
                                       'l': sentinel.lib_name}
    assert isinstance(he.call_args_list[1][0][1], AutoReconnect)
    assert he.call_args_list[1][0][2] == 2 

# 需要導入模塊: from pymongo import errors [as 別名]
# 或者: from pymongo.errors import AutoReconnect [as 別名]
def test_mongo_retry_hook_changes():
    retries = [2]
    self = MagicMock()
    hook1 = Mock()
    register_log_exception_hook(hook1)
    hook2 = Mock()

    @mongo_retry
    def foo(self):
        if retries[0] == 2:
            retries[0] -= 1
            raise OperationFailure('error')
        elif retries[0] == 1:
            register_log_exception_hook(hook2)
            retries[0] -= 1
            raise AutoReconnect('error')
        return "success"
    foo(self)

    assert hook1.call_count == 1
    assert hook2.call_count == 1 

# 需要導入模塊: from pymongo import errors [as 別名]
# 或者: from pymongo.errors import AutoReconnect [as 別名]
def test__conn_auth_issue():
    auth_timeout = [0]

    a = Arctic("host:12345")
    sentinel.creds = Mock()

    def flaky_auth(*args, **kwargs):
        if not auth_timeout[0]:
            auth_timeout[0] = 1
            raise AutoReconnect()

    with patch('arctic.arctic.authenticate', flaky_auth), \
    patch('arctic.arctic.get_auth', return_value=sentinel.creds), \
    patch('arctic._cache.Cache.__init__', autospec=True, return_value=None), \
    patch('arctic.decorators._handle_error') as he:
        a._conn
        assert he.call_count == 1
        assert auth_timeout[0] 

# 需要導入模塊: from pymongo import errors [as 別名]
# 或者: from pymongo.errors import AutoReconnect [as 別名]
def dbUpdate(self, dbName, collectionName, d, flt, upsert=False):
        """向MongoDB中更新數據，d是具體數據，flt是過濾條件，upsert代表若無是否要插入"""
        try:
            if self.dbClient:
                db = self.dbClient[dbName]
                collection = db[collectionName]
                collection.replace_one(flt, d, upsert)
            else:
                self.writeLog(text.DATA_UPDATE_FAILED)
                if self.db_has_connected:
                    self.writeLog(u'重新嘗試連接數據庫')
                    self.dbConnect()

        except AutoReconnect as ex:
            self.writeError(u'數據庫連接斷開重連:{}'.format(str(ex)))
            time.sleep(1)
        except ConnectionFailure:
            self.dbClient = None
            self.writeError(u'數據庫連接斷開')
            if self.db_has_connected:
                self.writeLog(u'重新嘗試連接數據庫')
                self.dbConnect()
        except Exception as ex:
            self.writeError(u'dbUpdate exception:{}'.format(str(ex))) 

# 需要導入模塊: from pymongo import errors [as 別名]
# 或者: from pymongo.errors import AutoReconnect [as 別名]
def _receive_data_on_socket(sock, length):
    msg = b""
    while length:
        try:
            chunk = sock.recv(length)
        except (IOError, OSError) as exc:
            err = None
            if hasattr(exc, 'errno'):
                err = exc.errno
            elif exc.args:
                err = exc.args[0]
            if err == errno.EINTR:
                continue
            raise
        if chunk == b"":
            raise AutoReconnect("connection closed")

        length -= len(chunk)
        msg += chunk

    return msg 

# 需要導入模塊: from pymongo import errors [as 別名]
# 或者: from pymongo.errors import AutoReconnect [as 別名]
def update(self, identifier, updates):
        updates = copy(updates)
        unset = {}
        for key, value in [(k, v) for k, v in updates.items()]:
            if value is None:
                del updates[key]
                unset[key] = ''
        doc = {}
        if updates:
            doc['$set'] = updates
        if unset:
            doc['$unset'] = unset
        if not doc:
            return
        while True:
            try:
                self.collection.update_one({'id': identifier}, doc)
                return
            except AutoReconnect:  # pragma: no cover
                log.exception('update failure, retrying')
                time.sleep(1) 

# 需要導入模塊: from pymongo import errors [as 別名]
# 或者: from pymongo.errors import AutoReconnect [as 別名]
def __call__(self, *args, **kwargs):
        """ Call the method and handle the AutoReconnect exception gracefully """
        start_time = time.time()

        for attempt in count():
            try:
                return self._method(*args, **kwargs)
            except AutoReconnect:
                duration = time.time() - start_time

                if duration >= WAIT_TIME:
                    break

                logger.warning(
                    'Reconnecting to MongoDB, attempt {} ({:.3f} seconds elapsed)'.
                    format(attempt, duration))

                time.sleep(self.calc_sleep(attempt))

        return self._method(*args, **kwargs) 

# 需要導入模塊: from pymongo import errors [as 別名]
# 或者: from pymongo.errors import AutoReconnect [as 別名]
def check_server_up(self):
        """Test connection to the server."""
        import pymongo
        from pymongo.errors import AutoReconnect, ConnectionFailure

        # Hostname must exist before continuing
        # Some server class (e.g. Docker) will only allocate an IP after the
        # container has started.
        if not self.hostname:
            return False

        log.info("Connecting to Mongo at %s:%s" % (self.hostname, self.port))
        try:
            self.api = pymongo.MongoClient(self.hostname, self.port,
                                           serverselectiontimeoutms=200)
            self.api.list_database_names()
            # Configure the client with default timeouts in case the server goes slow
            self.api = pymongo.MongoClient(self.hostname, self.port)
            return True
        except (AutoReconnect, ConnectionFailure) as e:
            pass
        return False 

# 需要導入模塊: from pymongo import errors [as 別名]
# 或者: from pymongo.errors import AutoReconnect [as 別名]
def get_library(self, library):
        """
        Return the library instance.  Can generally use slicing to return the library:
            arctic_store[library]

        Parameters
        ----------
        library : `str`
            The name of the library. e.g. 'library' or 'user.library'
        """
        if library in self._library_cache:
            return self._library_cache[library]

        try:
            error = None
            lib = ArcticLibraryBinding(self, library)
            lib_type = lib.get_library_type()
        except (OperationFailure, AutoReconnect) as e:
            error = e

        if error:
            raise LibraryNotFoundException("Library %s was not correctly initialized in %s.\nReason: %r)" %
                                           (library, self, error))
        elif not lib_type:
            raise LibraryNotFoundException("Library %s was not correctly initialized in %s." %
                                           (library, self))
        elif lib_type not in LIBRARY_TYPES:
            raise LibraryNotFoundException("Couldn't load LibraryType '%s' for '%s' (has the class been registered?)" %
                                           (lib_type, library))
        instance = LIBRARY_TYPES[lib_type](lib)
        self._library_cache[library] = instance
        # The library official name may be different from 'library': e.g. 'library' vs 'user.library'
        self._library_cache[lib.get_name()] = instance
        return self._library_cache[library] 

# 需要導入模塊: from pymongo import errors [as 別名]
# 或者: from pymongo.errors import AutoReconnect [as 別名]
def __send_message(self, msg):
        """Send a getmore message and handle the response.
        """
        client = self.__collection.database.connection
        try:
            res = client._send_message_with_response(
                msg, _connection_to_use=self.__conn_id)
            self.__conn_id, (response, dummy0, dummy1) = res
        except AutoReconnect:
            # Don't try to send kill cursors on another socket
            # or to another server. It can cause a _pinValue
            # assertion on some server releases if we get here
            # due to a socket timeout.
            self.__killed = True
            raise

        try:
            response = helpers._unpack_response(response,
                                                self.__id,
                                                *self.__decode_opts)
        except CursorNotFound:
            self.__killed = True
            raise
        except AutoReconnect:
            # Don't send kill cursors to another server after a "not master"
            # error. It's completely pointless.
            self.__killed = True
            client.disconnect()
            raise
        self.__id = response["cursor_id"]

        assert response["starting_from"] == self.__retrieved, (
            "Result batch started from %s, expected %s" % (
                response['starting_from'], self.__retrieved))

        self.__retrieved += response["number_returned"]
        self.__data = deque(response["data"]) 

# 需要導入模塊: from pymongo import errors [as 別名]
# 或者: from pymongo.errors import AutoReconnect [as 別名]
def _send_message_with_response(self, message, _connection_to_use=None,
                                    _must_use_master=False, **kwargs):
        """Receive a message from Mongo.

        Sends the given message and returns a (connection_id, response) pair.

        :Parameters:
          - `operation`: opcode of the message to send
          - `data`: data to send
        """
        if _connection_to_use is not None:
            if _connection_to_use == -1:
                member = self.__master
                conn = -1
            else:
                member = self.__slaves[_connection_to_use]
                conn = _connection_to_use
            return (conn,
                    member._send_message_with_response(message, **kwargs)[1])

        # _must_use_master is set for commands, which must be sent to the
        # master instance. any queries in a request must be sent to the
        # master since that is where writes go.
        if _must_use_master or self.in_request():
            return (-1, self.__master._send_message_with_response(message,
                                                                  **kwargs)[1])

        # Iterate through the slaves randomly until we have success. Raise
        # reconnect if they all fail.
        for connection_id in helpers.shuffled(range(len(self.__slaves))):
            try:
                slave = self.__slaves[connection_id]
                return (connection_id,
                        slave._send_message_with_response(message,
                                                          **kwargs)[1])
            except AutoReconnect:
                pass

        raise AutoReconnect("failed to connect to slaves") 

# 需要導入模塊: from pymongo import errors [as 別名]
# 或者: from pymongo.errors import AutoReconnect [as 別名]
def dbInsert(self, dbName, collectionName, d):
        """向MongoDB中插入數據，d是具體數據"""
        try:
            # mongodb客戶端
            if self.dbClient:
                db = self.dbClient[dbName]
                collection = db[collectionName]
                collection.insert_one(d)
            else:
                self.writeLog(text.DATA_INSERT_FAILED)
                # 判斷是否連接
                if self.db_has_connected:
                    self.writeLog(u'重新嘗試連接數據庫')
                    # 重新連接
                    self.dbConnect()

        except AutoReconnect as ex:
            self.writeError(u'數據庫連接斷開重連:{}'.format(str(ex)))
            time.sleep(1)
        except ConnectionFailure:
            self.dbClient = None
            self.writeError(u'數據庫連接斷開')
            if self.db_has_connected:
                self.writeLog(u'重新嘗試連接數據庫')
                self.dbConnect()
        except Exception as ex:
            self.writeError(u'dbInsert exception:{}'.format(str(ex))) 

# 需要導入模塊: from pymongo import errors [as 別名]
# 或者: from pymongo.errors import AutoReconnect [as 別名]
def dbInsertMany(self, dbName, collectionName, data_list, ordered=True):
        """
        向MongoDB中插入數據，data_list是具體數據 列表
        :param dbName:
        :param collectionName:
        :param data_list:
        :param ordered: 是否忽略insert error
        :return:
        """
        if not isinstance(data_list, list):
            self.writeLog(text.DATA_INSERT_FAILED)
            return
        try:
            if self.dbClient:
                db = self.dbClient[dbName]
                collection = db[collectionName]
                collection.insert_many(data_list, ordered=ordered)
            else:
                self.writeLog(text.DATA_INSERT_FAILED)
                if self.db_has_connected:
                    self.writeLog(u'重新嘗試連接數據庫')
                    self.dbConnect()

        except AutoReconnect as ex:
            self.writeError(u'數據庫連接斷開重連:{}'.format(str(ex)))
            time.sleep(1)
        except ConnectionFailure:
            self.dbClient = None
            self.writeError(u'數據庫連接斷開')
            if self.db_has_connected:
                self.writeLog(u'重新嘗試連接數據庫')
                self.dbConnect()
        except Exception as ex:
            self.writeError(u'dbInsertMany exception:{}'.format(str(ex)))

    # ---------------------------------------------------------------------- 

# 需要導入模塊: from pymongo import errors [as 別名]
# 或者: from pymongo.errors import AutoReconnect [as 別名]
def dbQuery(self, dbName, collectionName, d):
        """從MongoDB中讀取數據，d是查詢要求，返回的是數據庫查詢的指針"""
        try:
            if self.dbClient:
                db = self.dbClient[dbName]
                collection = db[collectionName]
                cursor = collection.find(d)
                if cursor:
                    return list(cursor)
                else:
                    return []
            else:
                self.writeLog(text.DATA_QUERY_FAILED)
                if self.db_has_connected:
                    self.writeLog(u'重新嘗試連接數據庫')
                    self.dbConnect()

        except AutoReconnect as ex:
            self.writeError(u'數據庫連接斷開重連:{}'.format(str(ex)))
            time.sleep(1)
        except ConnectionFailure:
            self.dbClient = None
            self.writeError(u'數據庫連接斷開')
            if self.db_has_connected:
                self.writeLog(u'重新嘗試連接數據庫')
                self.dbConnect()
        except Exception as ex:
            self.writeError(u'dbQuery exception:{}'.format(str(ex)))

        return [] 

# 需要導入模塊: from pymongo import errors [as 別名]
# 或者: from pymongo.errors import AutoReconnect [as 別名]
def dbQueryBySort(self, dbName, collectionName, d, sortName, sortType, limitNum=0):
        """從MongoDB中讀取數據，d是查詢要求，sortName是排序的字段,sortType是排序類型
          返回的是數據庫查詢的指針"""
        try:
            if self.dbClient:
                db = self.dbClient[dbName]
                collection = db[collectionName]
                if limitNum > 0:
                    cursor = collection.find(d).sort(sortName, sortType).limit(limitNum)
                else:
                    cursor = collection.find(d).sort(sortName, sortType)
                if cursor:
                    return list(cursor)
                else:
                    return []
            else:
                self.writeLog(text.DATA_QUERY_FAILED)
                if self.db_has_connected:
                    self.writeLog(u'重新嘗試連接數據庫')
                    self.dbConnect()

        except AutoReconnect as ex:
            self.writeError(u'數據庫連接斷開重連:{}'.format(str(ex)))
            time.sleep(1)
        except ConnectionFailure:
            self.dbClient = None
            self.writeError(u'數據庫連接斷開')
            if self.db_has_connected:
                self.writeLog(u'重新嘗試連接數據庫')
                self.dbConnect()
        except Exception as ex:
            self.writeError(u'dbQueryBySort exception:{}'.format(str(ex)))

        return []

    # ----------------------------------------------------------------------