| # |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| from skywalking.meter.meter import BaseMeter, MeterType |
| from skywalking.protocol.language_agent.Meter_pb2 import MeterData, MeterSingleValue |
| |
| |
| class Gauge(BaseMeter): |
| def __init__(self, name: str, generator, tags=None): |
| super().__init__(name, tags) |
| self.generator = generator |
| |
| def get(self): |
| data = next(self.generator, None) |
| return data if data else 0 |
| |
| def transform(self): |
| count = self.get() |
| meterdata = MeterData(singleValue=MeterSingleValue(name=self.get_name(), labels=self.transform_tags(), value=count)) |
| return meterdata |
| |
| def get_type(self): |
| return MeterType.GAUGE |
| |
| class Builder(BaseMeter.Builder): |
| def __init__(self, name: str, generator, tags=None): |
| self.meter = Gauge(name, generator, tags) |