def test_write_points_from_dataframe(self):
        now = pd.Timestamp('1970-01-01 00:00+00:00')
        dataframe = pd.DataFrame(data=[["1", 1, 1.0], ["2", 2, 2.0]],
                                 index=[now, now + timedelta(hours=1)],
                                 columns=["column_one", "column_two",
                                          "column_three"])
        points = [
            {
                "points": [
                    ["1", 1, 1.0, 0],
                    ["2", 2, 2.0, 3600]
                ],
                "name": "foo",
                "columns": ["column_one", "column_two", "column_three", "time"]
            }
        ]

        with requests_mock.Mocker() as m:
            m.register_uri(requests_mock.POST,
                           "http://localhost:8086/db/db/series")

            cli = DataFrameClient(database='db')
            cli.write_points({"foo": dataframe})

            self.assertListEqual(json.loads(m.last_request.body), points)
    def test_write_points_from_dataframe_with_tag_cols_and_global_tags(self):
        """Test write points from df w/tag + cols in TestDataFrameClient."""
        now = pd.Timestamp('1970-01-01 00:00+00:00')
        dataframe = pd.DataFrame(data=[['blue', 1, "1", 1, 1.0],
                                       ['red', 0, "2", 2, 2.0]],
                                 index=[now, now + timedelta(hours=1)],
                                 columns=["tag_one", "tag_two", "column_one",
                                          "column_two", "column_three"])
        expected = (
            b"foo,global_tag=value,tag_one=blue,tag_two=1 "
            b"column_one=\"1\",column_two=1i,column_three=1.0 "
            b"0\n"
            b"foo,global_tag=value,tag_one=red,tag_two=0 "
            b"column_one=\"2\",column_two=2i,column_three=2.0 "
            b"3600000000000\n"
        )

        with requests_mock.Mocker() as m:
            m.register_uri(requests_mock.POST,
                           "http://localhost:8086/write",
                           status_code=204)

            cli = DataFrameClient(database='db')

            cli.write_points(dataframe, 'foo',
                             tag_columns=['tag_one', 'tag_two'],
                             tags={'global_tag': 'value'})
            self.assertEqual(m.last_request.body, expected)
    def test_write_points_from_dataframe_with_period_index(self):
        dataframe = pd.DataFrame(data=[["1", 1, 1.0], ["2", 2, 2.0]],
                                 index=[pd.Period('1970-01-01'),
                                        pd.Period('1970-01-02')],
                                 columns=["column_one", "column_two",
                                          "column_three"])
        expected = {
            'points': [
                {'name': 'foo',
                 'tags': {},
                 'fields': {
                     'column_one': '1',
                     'column_two': 1,
                     'column_three': 1.0},
                 'time': '1970-01-01T00:00:00+00:00'},
                {'name': 'foo',
                 'tags': {},
                 'fields': {
                     'column_one': '2',
                     'column_two': 2,
                     'column_three': 2.0},
                 'time': '1970-01-02T00:00:00+00:00'}],
            'database': 'db',
        }

        with requests_mock.Mocker() as m:
            m.register_uri(requests_mock.POST,
                           "http://localhost:8086/write",
                           status_code=204)

            cli = DataFrameClient(database='db')
            cli.write_points(dataframe, "foo")

            self.assertEqual(json.loads(m.last_request.body), expected)
    def test_write_points_from_dataframe_with_period_index(self):
        dataframe = pd.DataFrame(data=[["1", 1, 1.0], ["2", 2, 2.0]],
                                 index=[pd.Period('1970-01-01'),
                                        pd.Period('1970-01-02')],
                                 columns=["column_one", "column_two",
                                          "column_three"])
        points = [
            {
                "points": [
                    ["1", 1, 1.0, 0],
                    ["2", 2, 2.0, 86400]
                ],
                "name": "foo",
                "columns": ["column_one", "column_two", "column_three", "time"]
            }
        ]

        with requests_mock.Mocker() as m:
            m.register_uri(requests_mock.POST,
                           "http://localhost:8086/db/db/series")

            cli = DataFrameClient(database='db')
            cli.write_points({"foo": dataframe})

            self.assertListEqual(json.loads(m.last_request.body), points)
    def test_write_points_from_dataframe_with_numeric_column_names(self):
        now = pd.Timestamp('1970-01-01 00:00+00:00')
        # df with numeric column names
        dataframe = pd.DataFrame(data=[["1", 1, 1.0], ["2", 2, 2.0]],
                                 index=[now, now + timedelta(hours=1)])

        expected = {
            'database': 'db',
            'points': [
                {'fields': {
                    '0': '1',
                    '1': 1,
                    '2': 1.0},
                 'tags': {'hello': 'there'},
                 'time': '1970-01-01T00:00:00+00:00',
                 'name': 'foo'},
                {'fields': {
                    '0': '2',
                    '1': 2,
                    '2': 2.0},
                 'tags': {'hello': 'there'},
                 'time': '1970-01-01T01:00:00+00:00',
                 'name': 'foo'}],
        }

        with requests_mock.Mocker() as m:
            m.register_uri(requests_mock.POST,
                           "http://localhost:8086/write",
                           status_code=204)

            cli = DataFrameClient(database='db')
            cli.write_points(dataframe, "foo", {"hello": "there"})

            self.assertEqual(json.loads(m.last_request.body), expected)
    def test_write_points_from_dataframe(self):
        """Test write points from df in TestDataFrameClient object."""
        now = pd.Timestamp('1970-01-01 00:00+00:00')
        dataframe = pd.DataFrame(data=[["1", 1, 1.0], ["2", 2, 2.0]],
                                 index=[now, now + timedelta(hours=1)],
                                 columns=["column_one", "column_two",
                                          "column_three"])
        expected = (
            b"foo column_one=\"1\",column_two=1i,column_three=1.0 0\n"
            b"foo column_one=\"2\",column_two=2i,column_three=2.0 "
            b"3600000000000\n"
        )

        with requests_mock.Mocker() as m:
            m.register_uri(requests_mock.POST,
                           "http://localhost:8086/write",
                           status_code=204)

            cli = DataFrameClient(database='db')

            cli.write_points(dataframe, 'foo')
            self.assertEqual(m.last_request.body, expected)

            cli.write_points(dataframe, 'foo', tags=None)
            self.assertEqual(m.last_request.body, expected)
Пример #7
0
def threading_put_data(df, measurement_name, tags_dict):
    dbname = "CKG_QAR"
    str_IP_address = LOCAL().server_ip()
    user = ''
    password = ''
    client = DataFrameClient(str_IP_address, 8086, user, password, dbname)
    client.write_points(df,
                        measurement = measurement_name,
                        tags= tags_dict)
Пример #8
0
 def _check_influxdb_connected(self, host, port, username, password, db_name):
     client = DataFrameClient(host, port, username, password, db_name)
     result = True
     try:
         client.get_list_database()
         print "Connect to database server"
     except:
         result = False
         print "Cannot connect. Please check configuration server"
     return result
    def test_write_points_from_dataframe_fails_with_series(self):
        now = pd.Timestamp('1970-01-01 00:00+00:00')
        dataframe = pd.Series(data=[1.0, 2.0],
                              index=[now, now + timedelta(hours=1)])

        with requests_mock.Mocker() as m:
            m.register_uri(requests_mock.POST,
                           "http://localhost:8086/db/db/series")

            cli = DataFrameClient(database='db')
            cli.write_points({"foo": dataframe})
    def test_multiquery_into_dataframe(self):
        """Test multiquery into df for TestDataFrameClient object."""
        data = {
            "results": [
                {
                    "series": [
                        {
                            "name": "cpu_load_short",
                            "columns": ["time", "value"],
                            "values": [
                                ["2015-01-29T21:55:43.702900257Z", 0.55],
                                ["2015-01-29T21:55:43.702900257Z", 23422],
                                ["2015-06-11T20:46:02Z", 0.64]
                            ]
                        }
                    ]
                }, {
                    "series": [
                        {
                            "name": "cpu_load_short",
                            "columns": ["time", "count"],
                            "values": [
                                ["1970-01-01T00:00:00Z", 3]
                            ]
                        }
                    ]
                }
            ]
        }

        pd1 = pd.DataFrame(
            [[0.55], [23422.0], [0.64]], columns=['value'],
            index=pd.to_datetime([
                "2015-01-29 21:55:43.702900257+0000",
                "2015-01-29 21:55:43.702900257+0000",
                "2015-06-11 20:46:02+0000"]))
        if pd1.index.tzinfo is None:
            pd1.index = pd1.index.tz_localize('UTC')
        pd2 = pd.DataFrame(
            [[3]], columns=['count'],
            index=pd.to_datetime(["1970-01-01 00:00:00+00:00"]))
        if pd2.index.tzinfo is None:
            pd2.index = pd2.index.tz_localize('UTC')
        expected = [{'cpu_load_short': pd1}, {'cpu_load_short': pd2}]

        cli = DataFrameClient('host', 8086, 'username', 'password', 'db')
        iql = "SELECT value FROM cpu_load_short WHERE region=$region;"\
            "SELECT count(value) FROM cpu_load_short WHERE region=$region"
        bind_params = {'region': 'us-west'}
        with _mocked_session(cli, 'GET', 200, data):
            result = cli.query(iql, bind_params=bind_params)
            for r, e in zip(result, expected):
                for k in e:
                    assert_frame_equal(e[k], r[k])
    def test_write_points_from_dataframe_fails_without_time_index(self):
        dataframe = pd.DataFrame(data=[["1", 1, 1.0], ["2", 2, 2.0]],
                                 columns=["column_one", "column_two",
                                          "column_three"])

        with requests_mock.Mocker() as m:
            m.register_uri(requests_mock.POST,
                           "http://localhost:8086/db/db/series")

            cli = DataFrameClient(database='db')
            cli.write_points({"foo": dataframe})
Пример #12
0
def data():
	client = DataFrameClient(host, port, user, password, dbname)
	data = client.query("select * from cpu  where cpu = 'cpu-total' AND host='etlnode1' limit 10")
	dataframe = data['cpu']
	dict={}
       	dict["usage_idle"]=json.loads(dataframe['usage_idle'].to_json(orient='values'))
        dict["usage_user"]=json.loads(dataframe['usage_user'].to_json(orient='values'))
        dict["usage_softirq"]=json.loads(dataframe['usage_softirq'].to_json(orient='values'))
        dict["usage_system"]=json.loads(dataframe['usage_system'].to_json(orient='values'))
        dict["index"] = dataframe.index.tolist()
        return jsonify(dict),200,{'Access-Control-Allow-Origin': '*'}
 def test_list_series(self):
     response = [
         {
             'columns': ['time', 'name'],
             'name': 'list_series_result',
             'points': [[0, 'seriesA'], [0, 'seriesB']]
         }
     ]
     with _mocked_session('get', 200, response):
         cli = DataFrameClient('host', 8086, 'username', 'password', 'db')
         series_list = cli.get_list_series()
         assert series_list == ['seriesA', 'seriesB']
    def test_write_points_from_dataframe_in_batches(self):
        now = pd.Timestamp('1970-01-01 00:00+00:00')
        dataframe = pd.DataFrame(data=[["1", 1, 1.0], ["2", 2, 2.0]],
                                 index=[now, now + timedelta(hours=1)],
                                 columns=["column_one", "column_two",
                                          "column_three"])
        with requests_mock.Mocker() as m:
            m.register_uri(requests_mock.POST,
                           "http://localhost:8086/write",
                           status_code=204)

            cli = DataFrameClient(database='db')
            self.assertTrue(cli.write_points(dataframe, "foo", batch_size=1))
    def test_write_points_from_dataframe_fails_without_time_index(self):
        """Test failed write points from df without time index."""
        dataframe = pd.DataFrame(data=[["1", 1, 1.0], ["2", 2, 2.0]],
                                 columns=["column_one", "column_two",
                                          "column_three"])

        with requests_mock.Mocker() as m:
            m.register_uri(requests_mock.POST,
                           "http://localhost:8086/db/db/series",
                           status_code=204)

            cli = DataFrameClient(database='db')
            cli.write_points(dataframe, "foo")
 def test_drop_numeric_named_database(self):
     """Test drop numeric db for TestInfluxDBClient object."""
     cli = DataFrameClient(database='db')
     with requests_mock.Mocker() as m:
         m.register_uri(
             requests_mock.POST,
             "http://localhost:8086/query",
             text='{"results":[{}]}'
         )
         cli.drop_database('123')
         self.assertEqual(
             m.last_request.qs['q'][0],
             'drop database "123"'
         )
 def test_drop_measurement(self):
     """Test drop measurement for TestInfluxDBClient object."""
     cli = DataFrameClient(database='db')
     with requests_mock.Mocker() as m:
         m.register_uri(
             requests_mock.POST,
             "http://localhost:8086/query",
             text='{"results":[{}]}'
         )
         cli.drop_measurement('new_measurement')
         self.assertEqual(
             m.last_request.qs['q'][0],
             'drop measurement "new_measurement"'
         )
 def test_create_database(self):
     """Test create database for TestInfluxDBClient object."""
     cli = DataFrameClient(database='db')
     with requests_mock.Mocker() as m:
         m.register_uri(
             requests_mock.POST,
             "http://localhost:8086/query",
             text='{"results":[{}]}'
         )
         cli.create_database('new_db')
         self.assertEqual(
             m.last_request.qs['q'][0],
             'create database "new_db"'
         )
    def test_datetime_to_epoch(self):
        timestamp = pd.Timestamp('2013-01-01 00:00:00.000+00:00')
        cli = DataFrameClient('host', 8086, 'username', 'password', 'db')

        self.assertEqual(
            cli._datetime_to_epoch(timestamp),
            1356998400.0
        )
        self.assertEqual(
            cli._datetime_to_epoch(timestamp, time_precision='h'),
            1356998400.0 / 3600
        )
        self.assertEqual(
            cli._datetime_to_epoch(timestamp, time_precision='m'),
            1356998400.0 / 60
        )
        self.assertEqual(
            cli._datetime_to_epoch(timestamp, time_precision='s'),
            1356998400.0
        )
        self.assertEqual(
            cli._datetime_to_epoch(timestamp, time_precision='ms'),
            1356998400000.0
        )
        self.assertEqual(
            cli._datetime_to_epoch(timestamp, time_precision='u'),
            1356998400000000.0
        )
        self.assertEqual(
            cli._datetime_to_epoch(timestamp, time_precision='n'),
            1356998400000000000.0
        )
    def test_write_points_from_dataframe_with_numeric_precision(self):
        """Test write points from df with numeric precision."""
        now = pd.Timestamp('1970-01-01 00:00+00:00')
        # df with numeric column names
        dataframe = pd.DataFrame(data=[["1", 1, 1.1111111111111],
                                       ["2", 2, 2.2222222222222]],
                                 index=[now, now + timedelta(hours=1)])

        if numpy.lib.NumpyVersion(numpy.__version__) <= '1.13.3':
            expected_default_precision = (
                b'foo,hello=there 0=\"1\",1=1i,2=1.11111111111 0\n'
                b'foo,hello=there 0=\"2\",1=2i,2=2.22222222222 3600000000000\n'
            )
        else:
            expected_default_precision = (
                b'foo,hello=there 0=\"1\",1=1i,2=1.1111111111111 0\n'
                b'foo,hello=there 0=\"2\",1=2i,2=2.2222222222222 3600000000000\n'  # noqa E501 line too long
            )

        expected_specified_precision = (
            b'foo,hello=there 0=\"1\",1=1i,2=1.1111 0\n'
            b'foo,hello=there 0=\"2\",1=2i,2=2.2222 3600000000000\n'
        )

        expected_full_precision = (
            b'foo,hello=there 0=\"1\",1=1i,2=1.1111111111111 0\n'
            b'foo,hello=there 0=\"2\",1=2i,2=2.2222222222222 3600000000000\n'
        )

        with requests_mock.Mocker() as m:
            m.register_uri(requests_mock.POST,
                           "http://localhost:8086/write",
                           status_code=204)

            cli = DataFrameClient(database='db')
            cli.write_points(dataframe, "foo", {"hello": "there"})

            print(expected_default_precision)
            print(m.last_request.body)

            self.assertEqual(m.last_request.body, expected_default_precision)

            cli = DataFrameClient(database='db')
            cli.write_points(dataframe, "foo", {"hello": "there"},
                             numeric_precision=4)

            self.assertEqual(m.last_request.body, expected_specified_precision)

            cli = DataFrameClient(database='db')
            cli.write_points(dataframe, "foo", {"hello": "there"},
                             numeric_precision='full')

            self.assertEqual(m.last_request.body, expected_full_precision)
    def test_drop_retention_policy(self):
        """Test drop retention policy for TestInfluxDBClient object."""
        cli = DataFrameClient(database='db')
        example_response = '{"results":[{}]}'

        with requests_mock.Mocker() as m:
            m.register_uri(
                requests_mock.POST,
                "http://localhost:8086/query",
                text=example_response
            )
            cli.drop_retention_policy('somename', 'db')
            self.assertEqual(
                m.last_request.qs['q'][0],
                'drop retention policy "somename" on "db"'
            )
Пример #22
0
class InfluxDBClientProxy(object):
    client_cls = DataFrameClient

    def __init__(self):
        self._client = None
        self._dfclient = None
        self.engine = None
        self.dfengine = None

    def init_app(self, app):
        client_args = (
            app.config['INFLUXDB_HOST'],
            app.config['INFLUXDB_PORT'],
            app.config['INFLUXDB_USER'],
            app.config['INFLUXDB_PASSWORD'],
            app.config['INFLUXDB_DB']
        )
        self._client = InfluxDBClient(*client_args)
        self._dfclient = DataFrameClient(*client_args)
        self.engine = Engine(self._client)
        self.dfengine = Engine(self._dfclient)

    def dfquery(self, query):
        return self._dfclient.query(query)

    def __getattr__(self, name):
        return getattr(self._client, name)
    def test_get_list_database(self):
        data = {'results': [
            {'series': [
                {'measurement': 'databases',
                 'values': [
                     ['new_db_1'],
                     ['new_db_2']],
                 'columns': ['name']}]}
        ]}

        cli = DataFrameClient('host', 8086, 'username', 'password', 'db')
        with _mocked_session(cli, 'get', 200, json.dumps(data)):
            self.assertListEqual(
                cli.get_list_database(),
                [{'name': 'new_db_1'}, {'name': 'new_db_2'}]
            )
Пример #24
0
class DataSource(object):
    def __init__(self,host="localhost",port='8086',username="******",password="******",db_name=None,measurement=None):

        self.host = host
        self.port = port
        self.username = username
        self.password = password
        self.db_name = db_name
        self.measurement = measurement
        if self._check_influxdb_connected(host, port, username, password, db_name):
            self.client_api = DataFrameClient(host, port, username, password, db_name)

    def _check_influxdb_connected(self, host, port, username, password, db_name):
        client = DataFrameClient(host, port, username, password, db_name)
        result = True
        try:
            client.get_list_database()
            print "Connect to database server"
        except:
            result = False
            print "Cannot connect. Please check configuration server"
        return result
    def check_connected(self):
        return self._check_influxdb_connected(self.host,self.port,self.username,self.password,self.db_name)
    def _return(self):
        return self.host,self.port,self.username,self.password,self.db_name,self.measurement

    def query_analyzed(self, number_of_days =30):
        print "Get latest time series points"
        query_set = 'select value from %s order by time desc limit %s ;' % (
        self.measurement, number_of_days * 24 * 60)
        result = self.client_api.query(query_set)[self.measurement]
        return result
    def query_all(self):
        print "Get latest time series points"
        query_set = 'select value from %s limit 10000;' % (self.measurement)
        result = self.client_api.query(query_set)[self.measurement]
        return result
    def update_db(self,data):
        result = False
        try:
            result = self.client_api.write_points(data,self.measurement)
        except Exception as e:
            print e.message
        return result
    def test_get_list_retention_policies(self):
        """Test get retention policies for TestInfluxDBClient object."""
        cli = DataFrameClient(database='db')
        example_response = \
            '{"results": [{"series": [{"values": [["fsfdsdf", "24h0m0s", 2]],'\
            ' "columns": ["name", "duration", "replicaN"]}]}]}'

        with requests_mock.Mocker() as m:
            m.register_uri(
                requests_mock.GET,
                "http://localhost:8086/query",
                text=example_response
            )
            self.assertListEqual(
                cli.get_list_retention_policies("db"),
                [{'duration': '24h0m0s',
                  'name': 'fsfdsdf', 'replicaN': 2}]
            )
    def test_get_list_measurements(self):
        """Test get list of measurements for TestInfluxDBClient object."""
        cli = DataFrameClient(database='db')
        data = {
            "results": [{
                "series": [
                    {"name": "measurements",
                     "columns": ["name"],
                     "values": [["cpu"], ["disk"]
                                ]}]}
            ]
        }

        with _mocked_session(cli, 'get', 200, json.dumps(data)):
            self.assertListEqual(
                cli.get_list_measurements(),
                [{'name': 'cpu'}, {'name': 'disk'}]
            )
def write_habitslab_df_to_influx(pd_df, pId, studyName, dataType, userId):
    if pd_df is None: return
    # index of the dataframe
    pd_df['time'] = pd.to_datetime(pd_df['date'])
    pd_df = pd_df.set_index('time')
    pd_df['deviceId'] = "NL1"
    pd_df['pId'] = pId
    pd_df['studyName'] = studyName
    pd_df['type'] = dataType
    pd_df['userId'] = userId

    tags = {"deviceId": "NL1",
            "pId":      pId,
            "studyId":  studyName,
            "type":     dataType,
            "userId":   userId}
    dbConnDF = DataFrameClient(host='localhost', port=8086)
    dbConnDF.write_points(pd_df, 'habitsDB', tags=tags)
 def test_dataframe_write_points_with_whitespace_in_column_names(self):
     """write_points should escape white space in column names."""
     now = pd.Timestamp('1970-01-01 00:00+00:00')
     dataframe = pd.DataFrame(data=[["1", 1, 1.0], ["2", 2, 2.0]],
                              index=[now, now + timedelta(hours=1)],
                              columns=["column one", "column two",
                                       "column three"])
     expected = (
         b"foo column\\ one=\"1\",column\\ two=1i,column\\ three=1.0 0\n"
         b"foo column\\ one=\"2\",column\\ two=2i,column\\ three=2.0 "
         b"3600000000000\n"
     )
     with requests_mock.Mocker() as m:
         m.register_uri(requests_mock.POST,
                        "http://localhost:8086/write",
                        status_code=204)
         cli = DataFrameClient(database='db')
         cli.write_points(dataframe, 'foo')
         self.assertEqual(m.last_request.body, expected)
    def test_query_into_dataframe(self):
        """Test query into df for TestDataFrameClient object."""
        data = {
            "results": [{
                "series": [
                    {"measurement": "network",
                     "tags": {"direction": ""},
                     "columns": ["time", "value"],
                     "values":[["2009-11-10T23:00:00Z", 23422]]
                     },
                    {"measurement": "network",
                     "tags": {"direction": "in"},
                     "columns": ["time", "value"],
                     "values": [["2009-11-10T23:00:00Z", 23422],
                                ["2009-11-10T23:00:00Z", 23422],
                                ["2009-11-10T23:00:00Z", 23422]]
                     }
                ]
            }]
        }

        pd1 = pd.DataFrame(
            [[23422]], columns=['value'],
            index=pd.to_datetime(["2009-11-10T23:00:00Z"]))
        if pd1.index.tzinfo is None:
            pd1.index = pd1.index.tz_localize('UTC')
        pd2 = pd.DataFrame(
            [[23422], [23422], [23422]], columns=['value'],
            index=pd.to_datetime(["2009-11-10T23:00:00Z",
                                  "2009-11-10T23:00:00Z",
                                  "2009-11-10T23:00:00Z"]))
        if pd2.index.tzinfo is None:
            pd2.index = pd2.index.tz_localize('UTC')
        expected = {
            ('network', (('direction', ''),)): pd1,
            ('network', (('direction', 'in'),)): pd2
        }

        cli = DataFrameClient('host', 8086, 'username', 'password', 'db')
        with _mocked_session(cli, 'GET', 200, data):
            result = cli.query('select value from network group by direction;')
            for k in expected:
                assert_frame_equal(expected[k], result[k])
Пример #30
0
    def __init__(self,host="localhost",port='8086',username="******",password="******",db_name=None,measurement=None):

        self.host = host
        self.port = port
        self.username = username
        self.password = password
        self.db_name = db_name
        self.measurement = measurement
        if self._check_influxdb_connected(host, port, username, password, db_name):
            self.client_api = DataFrameClient(host, port, username, password, db_name)
Пример #31
0
class DataGetter(object):

    """
        Connects to influxdb database and gets time series data as a pandas dataframe.
    """

    def __init__(self, host="localhost", port=8086, user="******", password="******"):

        self.client = DataFrameClient(host, 8086, user, password, "collectd")
        #self.query_handler = Query()

    def make_query(self):
        return self.client.query("select difference(mean(\"value\")) from cpu_value where ( \"host\" = 'icarus') and time >= now() - 15d group by time(5s), \"type_instance\", \"instance\" ")
Пример #32
0
    def test_datetime_to_epoch(self):
        """Test convert datetime to epoch in TestDataFrameClient object."""
        timestamp = pd.Timestamp('2013-01-01 00:00:00.000+00:00')
        cli = DataFrameClient('host', 8086, 'username', 'password', 'db')

        self.assertEqual(cli._datetime_to_epoch(timestamp), 1356998400.0)
        self.assertEqual(cli._datetime_to_epoch(timestamp, time_precision='h'),
                         1356998400.0 / 3600)
        self.assertEqual(cli._datetime_to_epoch(timestamp, time_precision='m'),
                         1356998400.0 / 60)
        self.assertEqual(cli._datetime_to_epoch(timestamp, time_precision='s'),
                         1356998400.0)
        self.assertEqual(
            cli._datetime_to_epoch(timestamp, time_precision='ms'),
            1356998400000.0)
        self.assertEqual(cli._datetime_to_epoch(timestamp, time_precision='u'),
                         1356998400000000.0)
        self.assertEqual(cli._datetime_to_epoch(timestamp, time_precision='n'),
                         1356998400000000000.0)
Пример #33
0
def upload_to_influxdb(pd_obj=None,
                       dbname='Test',
                       measurement='Test',
                       TEST=True,
                       host_id='sw-wus-hx501q2'):
    chunk_size = 30000
    start_row = 0

    host = host_id
    port = 8086
    """Instantiate the connection to the InfluxDB client."""
    user = '******'
    password = '******'
    protocol = 'line'

    client = DataFrameClient(host, port, user, password, dbname)

    if TEST:
        print("Create pandas DataFrame")
        pd_obj = pd.DataFrame(data=list(range(30)),
                              index=pd.date_range(start='2019-1-16',
                                                  periods=30,
                                                  freq='H'),
                              columns=['测试'])
        print("Create database: " + dbname)
        client.create_database(dbname)

    print("Write DataFrame: " + measurement)

    (row_size, col_size) = pd_obj.shape

    # truncate the dataframe to 30000 entries per item before sending to influxdb

    while start_row < (row_size - 1):

        if (start_row + chunk_size) < row_size:

            print('size too large, chucking, start ' + str(start_row) \
                  + ' to ' + str(start_row + chunk_size))

            response = client.write_points(pd_obj[start_row:(start_row +
                                                             chunk_size)],
                                           measurement,
                                           protocol=protocol)

            start_row += chunk_size + 1

        else:
            print('last bit, start ' + str(start_row) \
                  + ' to ' + str(row_size - 1))

            response = client.write_points(pd_obj[start_row:row_size - 1],
                                           measurement,
                                           protocol=protocol)

            start_row = row_size - 1

        print(response)
Пример #34
0
 def influxdb_establish_connection(self, raw=False):
     if raw:
         return InfluxDBClient(host=self.config['influxdb']['host'],
                               port=int(self.config['influxdb']['port']),
                               username=self.config['influxdb']['username'],
                               password=self.config['influxdb']['password'],
                               database=self.config['influxdb']['db_name'])
     else:
         return DataFrameClient(
             host=self.config['influxdb']['host'],
             port=int(self.config['influxdb']['port']),
             username=self.config['influxdb']['username'],
             password=self.config['influxdb']['password'],
             database=self.config['influxdb']['db_name'])
Пример #35
0
def getKernelDetailsDefault(host, port, user, password, dbname, host_name,
                            field_name):
    client = DataFrameClient(host, port, user, password, dbname)
    query = "SELECT mean(" + field_name + ")/1000000 FROM kernel WHERE host ='" + host_name + "' AND time > now() - 7d GROUP BY time(1h) fill(0)"
    data = client.query(query)
    dataframe = data['kernel']
    dict = {}
    dict["mean"] = json.loads(dataframe['mean'].to_json(orient='values',
                                                        force_ascii=True))
    li = dataframe['mean'].tolist()
    list = dataframe.index.tolist()
    list_final = []
    for x in list:
        date = (parser.parse(str(x)))
        iso = date.isoformat()
        inter_date = iso.split("+")
        t = time.mktime(
            datetime.strptime(inter_date[0], "%Y-%m-%dT%H:%M:%S").timetuple())
        list_final.append(t)
    dict["time"] = list_final
    dict["unit"] = "X10^6"

    return dict, query
def write_habitslab_df_to_influx(pd_df, studyName, dataType, pId, wearable,
                                 deviceId, userId, fname):
    if pd_df is None: return
    # index of the dataframe
    pd_df['time'] = pd.to_datetime(pd_df['date'])
    pd_df = pd_df.set_index('time')
    tags = {
        "device": wearable,
        "deviceId": deviceId,
        "pId": pId,
        # optional to add 'filename'
        "studyId": studyName,
        "type": dataType,
        "userId": userId,
        "fileName": fname
    }
    pd_df.drop(['date'], inplace=True, axis=1)
    # connection to db
    dbConnDF = DataFrameClient(host='localhost',
                               port=8086,
                               database='habitsDB')
    dbConnDF.write_points(pd_df, 'habitsDB', tags=tags, batch_size=1000)
    return
Пример #37
0
    def _process(self, _data):
        logging.info('Processing data at ' + self.__class__.__name__)
        meta, df = _data

        # process fields
        field_columns = get_cols(self.__fields, df.columns)
        if field_columns is None:
            logging.error("Bad parameter 'fields'" + str(self.__fields))
            raise ValueError

        # process tags
        tag_columns = get_cols(self.__tags, df.columns)

        # process timestamp
        if self.__ts['method'] == TS_FILE_MODIFIED and 'ts' in meta:
            df["ts"] = meta['ts']
        elif self.__ts['method'] == TS_FILE_NAME and 'name' in meta:
            # extract date time from filename
            s = self.__ts['method'].search(meta['name']).group(1)
            try:
                df["ts"] = datetime.strptime(s, self.__ts['format'])
            except ValueError as e:
                logging.error(e)

        elif self.__ts['method'] == TS_COLUMN:
            ts_column = get_cols(self.__ts['column'], df.columns)
            if ts_column is None:
                logging.error("Bad parameter ts.column" + str(self.__tags))
                raise ValueError
            df.rename(columns={ts_column: 'ts'}, inplace=True)
            if self.__ts['format'] in ['D', 's', 'ms', 'us', 'ns']:
                df['ts'] = pd.to_datetime(df['ts'], unit=self.__ts['format'])
            else:
                df['ts'] = pd.to_datetime(df['ts'], format=self.__ts['format'])
        else:
            logging.error(
                "Couldn't extract timestamp of measurement, defaulting to now")
            df['ts'] = datetime.now()

        df.set_index('ts', inplace=True)
        lines = DataFrameClient()._convert_dataframe_to_lines(
            df,
            self.__measurement,
            field_columns,
            tag_columns,
            numeric_precision=6)
        # print all lines
        print("\n".join(lines))
        logging.info("Exported %d records." % len(lines))
        yield None
Пример #38
0
class THDLoss():
    
    def __init__(self):
        self.DFDBClient = DataFrameClient(host=cg.INFLUX_DB_IP, port=cg.INFLUX_DB_PORT, database=cg.INFLUX_DB)

    def __call__(self):
        self.output()
    
    def read_Data(self):
        con_obj = InfluxDBClient(host=cg.INFLUX_DB_IP, port=cg.INFLUX_DB_PORT, database=cg.INFLUX_DB)
        query = 'select * from ' + cg.WRITE_MEASUREMENT  + ' where time > now() - 1d '
        df = pd.DataFrame(con_obj.query(query, chunked=True, chunk_size=10000).get_points())
        df['time'] = df['time'].astype('datetime64[ns]')
        df['time'] = df['time'] + datetime.timedelta(hours=5, minutes=30)
        return df
    
    def total_sum(self,df):
        y = pd.DataFrame(df.groupby('DeviceID')['kvah_loss_thd'].sum()).astype(np.float64)
        y.columns = ['Sum']
        y = y.reset_index()
        return y 
    
    def time(self,df):
        df['Time_max'] = df['time'].dt.time
        a=df.loc[list(df.groupby('DeviceID')['kvah_loss_thd'].idxmax())][['Time_max','DeviceID']]
        b=df.loc[list(df.groupby('DeviceID')['kvah_loss_thd'].idxmin())][['Time_max','DeviceID']]
        a.index=a['DeviceID']
        a=a.drop('DeviceID',axis=1)
        a['Time_min']=list(b['Time_max'])
        return a
    
    def time_as_index(self,df):
        t = pd.DataFrame(df.groupby(['DeviceID'])['time'].max())
        t.reset_index(inplace = True)
        return t

    def output(self):
        df = self.read_Data()
        x = df.groupby('DeviceID')['kvah_loss_thd'].describe()
        x.columns = ['Total_Count', 'Average', 'SD', 'Minimum', '25th_percentile', 'Median', '75th_percentile', 'Maximum']
        y = self.total_sum(df)
        x = x.merge(y, on = 'DeviceID', how = "outer")
        t = self.time_as_index(df)
        x=x.merge(t,on='DeviceID', how = "outer")
        a=self.time(df)
        x=x.merge(a,on='DeviceID', how = "outer")
        x = x.fillna(0)
        x.set_index('time', inplace = True)
        print(self.DFDBClient.write_points(x, cg.THD_LOSS))
        return x
Пример #39
0
    def __make_client(self):
        '''
        This function is not necessary for the user.

        Setup client both InfluxDBClient and DataFrameClient
        DataFrameClient is for queries and InfluxDBClient is for writes
        Not needed by user
        '''

        self.client = InfluxDBClient(host=self.host,
                                     port=self.port,
                                     username=self.username,
                                     password=self.password,
                                     database=self.database,
                                     ssl=self.use_ssl,
                                     verify_ssl=self.verify_ssl_is_on)
        self.df_client = DataFrameClient(host=self.host,
                                         port=self.port,
                                         username=self.username,
                                         password=self.password,
                                         database=self.database,
                                         ssl=self.use_ssl,
                                         verify_ssl=self.verify_ssl_is_on)
    def test_write_points_from_dataframe_with_period_index(self):
        """Test write points from df with period index."""
        dataframe = pd.DataFrame(data=[["1", 1, 1.0], ["2", 2, 2.0]],
                                 index=[pd.Period('1970-01-01'),
                                        pd.Period('1970-01-02')],
                                 columns=["column_one", "column_two",
                                          "column_three"])

        expected = (
            b"foo column_one=\"1\",column_two=1i,column_three=1.0 0\n"
            b"foo column_one=\"2\",column_two=2i,column_three=2.0 "
            b"86400000000000\n"
        )

        with requests_mock.Mocker() as m:
            m.register_uri(requests_mock.POST,
                           "http://localhost:8086/write",
                           status_code=204)

            cli = DataFrameClient(database='db')
            cli.write_points(dataframe, "foo")

            self.assertEqual(m.last_request.body, expected)
 def test_list_series(self):
     response = {
         'results': [
             {
                 'series': [{
                     'columns': ['id'],
                     'name': 'seriesA',
                     'values': [[0]],
                 }]
             },
             {
                 'series': [{
                     'columns': ['id'],
                     'name': 'seriesB',
                     'values': [[1]],
                 }]
             },
         ]
     }
     with _mocked_session('get', 200, response):
         cli = DataFrameClient('host', 8086, 'username', 'password', 'db')
         series_list = cli.get_list_series()
         assert series_list == ['seriesA', 'seriesB']
def write_dataframe(db, dataframe, measurement):
    """
    Writes a given dataframe in a given measurement in a given database
    :param db: The database name as String
    :param dataframe: The dataframe to write.
    :param measurement: The measurement name as String
    :return:
    """
    DataFrameClient(url, port, user, password, db).write_points(
        batch_size=batch_size,
        dataframe=dataframe,
        protocol=default_protocol,
        measurement=measurement
    )
Пример #43
0
def get_query_result(query_message, measurement_name, influx_db):
    try:
        # get result as a dataframe
        client = DataFrameClient(host='141.142.211.122', port=8086, database=influx_db)

        # extract the result from dataframe
        query_result = client.query(query_message)[measurement_name]
    except KeyError:
        return False,False

    # make in to correct form
    column_name = list(query_result)
    second_list = []
    for index, row in query_result.iterrows():
        first_list = []
        first_list.append(str(index))
        for c in column_name:
            first_list.append(row[c])
        second_list.append(first_list)

    column_name = list(query_result)

    out_dicts = []
    for first_list in second_list:
        first_dict = {}
        count = 0
        for i in first_list:
            if count == 0:
                first_dict['time'] = i
                count += 1
            else:
                col_name = column_name[count - 1]
                first_dict[col_name] = i
                count += 1
        out_dicts.append(first_dict)

    return out_dicts, column_name
def clean_DHT22_outliers(cfg):
    client = InfluxDBClient(host=cfg['database']['host'],
                            port=cfg['database']['port'],
                            username=cfg['database']['user'],
                            password=cfg['database']['password'],
                            database=cfg['database']['name'])
    query = f"select * from {cfg['DHT22']['measurement']}"
    df = pd.DataFrame(client.query(query, epoch='ns').get_points())

    # filter false readings
    false_readings = df[df['humidity'] > 100].index
    fixed_measurements = df.iloc[false_readings]

    # fix humidity readings
    false_readings = df[df['humidity'] > 100].index
    s1 = df.iloc[false_readings - 1]['humidity'].reset_index(drop=True)
    s2 = df.iloc[false_readings + 1]['humidity'].reset_index(drop=True)
    fixed = pd.concat([s1, s2], axis=1).mean(axis=1)
    fixed.index = false_readings
    fixed_measurements['humidity'] = fixed

    # fix temperature readings
    s1 = df.iloc[false_readings - 1]['temperature'].reset_index(drop=True)
    s2 = df.iloc[false_readings + 1]['temperature'].reset_index(drop=True)
    fixed = pd.concat([s1, s2], axis=1).mean(axis=1)
    fixed.index = false_readings
    fixed_measurements['temperature'] = fixed
    fixed_measurements['time'] = pd.to_datetime(fixed_measurements['time'])
    fixed_measurements = fixed_measurements.set_index('time')

    # write fixed values back to database
    df_client = DataFrameClient(host=cfg['database']['host'],
                                port=cfg['database']['port'],
                                username=cfg['database']['user'],
                                password=cfg['database']['password'],
                                database=cfg['database']['name'])
    df_client.write_points(fixed_measurements, cfg['DHT22']['measurement'])
    def start(self):
        while not self._terminated:
            try:
                self.db_client = DataFrameClient(self.INFLUXDB_HOST,
                                                 self.INFLUXDB_PORT,
                                                 self._db_user,
                                                 self._db_password,
                                                 self.INFLUXDB_NAME)
                self.db_client.create_database(self.INFLUXDB_NAME)

                self._init_OPCUA()

                while not self._terminated and not self.ticker.wait(
                        self.UPDATE_PERIOD / 1000):
                    try:
                        # check is server node browsename still exists/is valid
                        browse_name = self.opc_client.client.get_server_node(
                        ).get_browse_name()

                        df = self.opc_client.get_last_dataframe()
                        self.update_database(df)
                    except Exception as ex:
                        print(DateHelper.get_local_datetime(),
                              self.__class__.__name__,
                              " lost client connection")
                        print(ex)
                        break
            except Exception as ex:
                print(ex)

            finally:
                if not self._terminated:
                    print(DateHelper.get_local_datetime(), 'Restart ',
                          self.__class__.__name__)
                    time.sleep(1)
        self._finalize()
Пример #46
0
def do_query():
    host = 'localhost'
    port = 8086
    user = '******'
    password = ''
    dbname = 'mydb'
    protocol = 'json'

    client = DataFrameClient(host, port, user, password, dbname)

    # df = client.query("""
    #     SELECT mean("Close") AS "mean_Close" FROM "mydb"."autogen"."price"
    #     WHERE time > '2015-01-01T05:48:00.000Z' AND time < '2018-08-06T05:48:00.000Z'
    #     GROUP BY time(1d), stock FILL(previous)
    # """)

    df = client.query("""
        SELECT mean("Close") AS "mean_Close", max("High") AS "max_High", min("Low") AS "min_Low" 
        FROM "mydb"."autogen"."price" 
        WHERE time > '2015-01-01T05:48:00.000Z' AND time < '2018-08-06T05:48:00.000Z' 
        AND "stock"='0001.HK' 
        GROUP BY time(4w) FILL(previous)
    """)
    print(df)
Пример #47
0
def df_print():
    """Form and submit a query, print pretty pandas DataFrame output"""
    try:
        client = DataFrameClient(host='127.0.0.1',
                                 port=8086,
                                 username='******',
                                 password='******',
                                 database='sensors')
        query = client.query(__query__)
    except InfluxDBClientError as ice:
        print('InfluxDB client error: {}\n'.format(ice))
        exit(1)
    except InfluxDBServerError as ise:
        print('InfluxDB server error: {}\n'.format(ise))
        exit(1)
    except ConnectionRefusedError as cre:
        print('Connection refused. Is database accessible?\n{}'.format(cre))
        exit(1)
    except Exception as e:
        print('An error occurred, ' +
              'check your database credentials.\n{}'.format(e))
        exit(1)

    print(query)
Пример #48
0
class InfluxDBWriter(Connection):
    def __init__(self,
                 host: str = None,
                 port: int = None,
                 username: str = None,
                 password: str = None):
        """
        A class to write measurements to an InfluxDB time-series database.
        """
        super(InfluxDBWriter, self).__init__()
        self.client = DataFrameClient(host=host,
                                      port=port,
                                      username=username,
                                      password=password)

    @catch_external_errors
    def write_measurement(self, msr: Measurement):
        self.client.write_points(dataframe=msr.df,
                                 measurement=msr.name,
                                 tags=msr.tags,
                                 time_precision=msr.time_precision,
                                 database=msr.database)
        _logger.info('{measurement} successfully written to database.'.format(
            measurement=msr.name))
Пример #49
0
def kernel_holtwinter(host, port, user, password, dbname, query,
                      number_of_prediction):
    client = DataFrameClient(host, port, user, password, dbname)
    data = client.query(query)
    dataframe = data['kernel']
    dict = {}
    list = dataframe.index.tolist()
    list_final = []
    for x in list:
        date = (parser.parse(str(x)))
        iso = date.isoformat()
        inter_date = iso.split("+")
        dt = datetime.strptime(inter_date[0], "%Y-%m-%dT%H:%M:%S")
        dt64 = np.datetime64(dt)
        list_final.append(dt64)

    dataframe2 = pd.DataFrame({'mean': dataframe['mean'].tolist()},
                              index=list_final)
    ts = dataframe2['mean']
    predict = triple_exponential_smoothing(ts, 24, 0.3, 0.029, 0.3,
                                           number_of_prediction)
    list = predict.index.tolist()
    list_final = []
    for x in list:
        date = (parser.parse(str(x)))
        iso = date.isoformat()
        inter_date = iso.split("+")
        t = time.mktime(
            datetime.strptime(inter_date[0], "%Y-%m-%dT%H:%M:%S").timetuple())
        list_final.append(t)

    dict["mean"] = predict.tolist()
    dict["time"] = list_final
    dict["unit"] = "%"

    return dict
Пример #50
0
def connect_db():
    '''
    Connects to Infludb.
    '''

    # returning InfluxDBClient object.
    try:
        conn = DataFrameClient(var.db_host, var.db_port, var.db_user,
                               var.db_password, var.db_name)

    except Exception as err:
        log("[ERROR] " + str(err), 0)
        sys.exit(1)

    return conn
Пример #51
0
def main(host='localhost', port=8086):
    user = '******'
    password = '******'
    dbname = 'example'

    client = DataFrameClient(host, port, user, password, dbname)

    print("Create pandas DataFrame")
    df = pd.DataFrame(data=list(range(30)),
                      index=pd.date_range(start='2014-11-16',
                                          periods=30,
                                          freq='H'))

    print("Create database: " + dbname)
    client.create_database(dbname)

    print("Write DataFrame")
    client.write_points({'demo': df})

    print("Read DataFrame")
    client.query("select * from demo")

    print("Delete database: " + dbname)
    client.delete_database(dbname)
Пример #52
0
def main(pair=None, logic=None):
    df = DataFrameClient(host='localhost', port=8086)
    database = df.get_list_database()

    lis = [i for x in database for i in x.values() if i in MARKET_PAIRS]

    if logic:
        for x in lis:
            df.drop_database(x)
        return 'Finished'

    elif pair in lis:
        df.drop_database(pair)
        return
Пример #53
0
        def read_influxdb_data(host='192.168.123.245',
                               port=8086,
                               dbname='c9377a95-82f3-4af3-ac14-40d14f6d2abe',
                               ChannelName='1Y520210100',
                               time_start='',
                               time_end='',
                               user='******',
                               password='******',
                               keyword=''):

            client = DataFrameClient(host, port, user, password, dbname)
            measurements = client.get_list_measurements()

            if keyword is None: keyword = ''

            if keyword == '':
                measurement = [
                    mea.get(u'name') for mea in measurements
                    if mea.get(u'name').find(ChannelName) >= 0
                ]
            else:
                measurement = [
                    mea.get(u'name') for mea in measurements
                    if mea.get(u'name').find(ChannelName) >= 0
                    and mea.get(u'name').find(keyword) >= 0
                ]

            if len(measurement) == 0:
                print('No data retrieved.')
                return None

            measurement = measurement[-1]
            time_end = 'now()' if time_end == '' else "'" + time_end + "'"
            time_start = 'now()' if time_start == '' else "'" + time_start + "'"
            querystr = 'select * from "{}" where time > {} and time < {}'.format(
                measurement, time_start, time_end)
            #print(querystr)

            df = client.query(querystr).get(measurement)
            client.close()

            if df is None:
                print('InfluxDB no data retrieved.')
                return None

            dff = df.groupby('id')
            columns = [name for name, group in dff]
            groups = [group['val'] for name, group in dff]

            #check datatime alginment: all([all(groups[i].index==groups[0].index) for i in range(1,len(groups))])
            result = pd.concat(groups, axis=1)
            result.columns = columns
            result.index = groups[0].index

            return measurement, result
    def test_datetime_to_epoch(self):
        timestamp = pd.Timestamp('2013-01-01 00:00:00.000+00:00')
        cli = DataFrameClient('host', 8086, 'username', 'password', 'db')

        self.assertEqual(cli._datetime_to_epoch(timestamp), 1356998400.0)
        self.assertEqual(cli._datetime_to_epoch(timestamp, time_precision='s'),
                         1356998400.0)
        self.assertEqual(cli._datetime_to_epoch(timestamp, time_precision='m'),
                         1356998400000.0)
        self.assertEqual(
            cli._datetime_to_epoch(timestamp, time_precision='ms'),
            1356998400000.0)
        self.assertEqual(cli._datetime_to_epoch(timestamp, time_precision='u'),
                         1356998400000000.0)
Пример #55
0
class INSERTDATA:
    def __init__(self):
        host = 'r4-influxdb.ricplt'
        self.client = DataFrameClient(host, '8086', 'root', 'root')
        self.dropdb('UEData')
        self.createdb('UEData')

    def createdb(self, dbname):
        print("Create database: " + dbname)
        self.client.create_database(dbname)
        self.client.switch_database(dbname)

    def dropdb(self, dbname):
        print("DROP database: " + dbname)
        self.client.drop_database(dbname)

    def dropmeas(self, measname):
        print("DROP MEASUREMENT: " + measname)
        self.client.query('DROP MEASUREMENT ' + measname)
def random_shapeable_order():
    # Retrieve random order
    df = randomorders.random_shapeable_orderbook()

    # Open connection and write to DB
    client = DataFrameClient(host, port, user, password, dbname)
    client.write_points(df, 'sbook')
    client.close()

    # Run optimization
    optimization()
    return {"status": "sucess"}
def forecast(times: List[str], values: List[float]):
    df = pandas.DataFrame(index=pandas.DatetimeIndex(times).round('5T'),
                          data={'uncontr': values})

    # Open connection and write to DB
    client = DataFrameClient(host, port, user, password, dbname)
    client.write_points(df, 'uncontr')
    client.close()

    # Run optimization
    optimization()
    return {"status": "sucess"}
Пример #58
0
    def connectInfluxDatabase(self):

        try:
            # prepare database
            self.logger.debug(
                f'Connecting to Influx with: Host:{self.influx_host}, Port: {self.influx_port}, User: {self.influx_user}, DB: {self.influx_db}'
            )
            if (self.influx_version == 1):
                pass
                self.influxClient = DataFrameClient(self.influx_host,
                                                    self.influx_port,
                                                    self.influx_user,
                                                    self.influx_pwd,
                                                    self.influx_db)

            elif (self.influx_version == 2):

                retries = WritesRetry(total=20,
                                      backoff_factor=1,
                                      exponential_base=1)

                self.influxClient = InfluxDBClient(
                    url=f"http://{self.influx_host}:{self.influx_port}",
                    token=self.influx_token,
                    org=self.influx_org,
                    retries=retries,
                    timeout=180_000)

                self.influx_query_api = self.influxClient.query_api()

                self.influx_write_api = self.influxClient.write_api(
                    write_options=WriteOptions(
                        batch_size=500,
                        write_type=WriteType.synchronous,
                        flush_interval=10_000,
                        jitter_interval=2_000,
                        retry_interval=30_000,
                        max_retries=25,
                        max_retry_delay=60_000,
                        exponential_base=2))
                #self.influx_write_api = self.influxClient.write_api(write_options=SYNCHRONOUS)

        except Exception as e:
            self.logger.exception('Crash!', exc_info=e)
            sys.exit(99)
Пример #59
0
def loss_rate_to_csv(start_time: int, end_time: int, csv_path: str, _: dict):
    """Collects loss events and netem stats from InfluxDB, computes loss rates and stores them
    as csv."""
    client = DataFrameClient(database='telegraf')
    sequence_df = get_sequence_df(client, start_time, end_time)
    netem_df = get_netem_df(client, start_time, end_time)
    joined_df = sequence_df.join(netem_df,
                                 lsuffix="_sequence",
                                 rsuffix="_netem")

    # Use sequence packet counts to netem sequence to prevent netem oddities
    joined_df['rate_sequence'] = compute_loss_rate(joined_df,
                                                   'losses_sequence',
                                                   'packets')
    joined_df['rate_netem'] = compute_loss_rate(joined_df, 'losses_netem',
                                                'packets')

    joined_df.to_csv(csv_path)
def random_deferrable_order():
    # Retrieve random order
    TIMESTEP = 12
    df = randomorders.random_deferrable_orderbook(timestep=60 / TIMESTEP)

    # Open connection and write to DB
    client = DataFrameClient(host, port, user, password, dbname)
    client.write_points(df, 'dbook')
    client.close()

    # Run optimization
    optimization()
    return {"status": "sucess"}