| # |
| # 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. |
| # |
| |
| import logging |
| from queue import Queue |
| |
| import grpc |
| |
| from common.Common_pb2 import KeyStringValuePair |
| from language_agent.Tracing_pb2 import SegmentObject, SpanObject, Log, SegmentReference |
| from skywalking import config |
| from skywalking.agent import Protocol |
| from skywalking.agent.protocol.grpc.interceptors import header_adder_interceptor |
| from skywalking.client.grpc import GrpcServiceManagementClient, GrpcTraceSegmentReportService |
| from skywalking.trace.segment import Segment |
| |
| logger = logging.getLogger(__name__) |
| |
| |
| class GrpcProtocol(Protocol): |
| def __init__(self): |
| self.state = None |
| self.channel = grpc.insecure_channel(config.collector_address) |
| if config.authentication: |
| self.channel = grpc.intercept_channel( |
| self.channel, header_adder_interceptor('authentication', config.authentication) |
| ) |
| |
| def cb(state): |
| logger.debug('grpc channel connectivity changed, [%s -> %s]', self.state, state) |
| self.state = state |
| if self.connected(): |
| self.service_management.send_instance_props() |
| |
| self.channel.subscribe(cb, try_to_connect=True) |
| self.service_management = GrpcServiceManagementClient(self.channel) |
| self.traces_reporter = GrpcTraceSegmentReportService(self.channel) |
| |
| def heartbeat(self): |
| self.service_management.send_heart_beat() |
| |
| def connected(self): |
| return self.state == grpc.ChannelConnectivity.READY |
| |
| def report(self, queue: Queue): |
| def generator(): |
| while True: |
| segment = queue.get() # type: Segment |
| |
| logger.debug('reporting segment %s', segment) |
| |
| s = SegmentObject( |
| traceId=str(segment.related_traces[0]), |
| traceSegmentId=str(segment.segment_id), |
| service=config.service_name, |
| serviceInstance=config.service_instance, |
| spans=[SpanObject( |
| spanId=span.sid, |
| parentSpanId=span.pid, |
| startTime=span.start_time, |
| endTime=span.end_time, |
| operationName=span.op, |
| peer=span.peer, |
| spanType=span.kind.name, |
| spanLayer=span.layer.name, |
| componentId=span.component.value, |
| isError=span.error_occurred, |
| logs=[Log( |
| time=int(log.timestamp * 1000), |
| data=[KeyStringValuePair(key=item.key, value=item.val) for item in log.items], |
| ) for log in span.logs], |
| tags=[KeyStringValuePair( |
| key=str(tag.key), |
| value=str(tag.val), |
| ) for tag in span.tags], |
| refs=[SegmentReference( |
| refType=0, |
| traceId=ref.trace_id, |
| parentTraceSegmentId=ref.segment_id, |
| parentSpanId=ref.span_id, |
| parentService=ref.service, |
| parentServiceInstance=ref.service_instance, |
| parentEndpoint=ref.endpoint, |
| networkAddressUsedAtPeer=ref.client_address, |
| ) for ref in span.refs if ref.trace_id], |
| ) for span in segment.spans], |
| ) |
| |
| yield s |
| |
| queue.task_done() |
| |
| self.traces_reporter.report(generator()) |