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9eaf824398
* add jaeger support, link hot container & req span * adds jaeger support now with FN_JAEGER_URL, there's a simple tutorial in the operating/metrics.md file now and it's pretty easy to get up and running. * links a hot request span to a hot container span. when we change this to sample at a lower ratio we'll need to finagle the hot container span to always sample or something, otherwise we'll hide that info. at least, since we're sampling at 100% for now if this is flipped on, can see freeze/unfreeze etc. if they hit. this is useful for debugging. note that zipkin's exporter does not follow the link at all, hence jaeger... and they're backed by the Cloud Empire now (CNCF) so we'll probably use it anyway. * vendor: add thrift for jaeger
90 lines
2.3 KiB
Python
Executable File
90 lines
2.3 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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import sys
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import glob
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sys.path.append('gen-py')
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sys.path.insert(0, glob.glob('../../lib/py/build/lib*')[0])
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from tutorial import Calculator
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from tutorial.ttypes import InvalidOperation, Operation, Work
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from thrift import Thrift
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from thrift.transport import TSocket
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from thrift.transport import TTransport
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from thrift.protocol import TBinaryProtocol
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def main():
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# Make socket
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transport = TSocket.TSocket('localhost', 9090)
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# Buffering is critical. Raw sockets are very slow
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transport = TTransport.TBufferedTransport(transport)
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# Wrap in a protocol
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protocol = TBinaryProtocol.TBinaryProtocol(transport)
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# Create a client to use the protocol encoder
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client = Calculator.Client(protocol)
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# Connect!
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transport.open()
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client.ping()
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print('ping()')
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sum_ = client.add(1, 1)
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print('1+1=%d' % sum_)
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work = Work()
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work.op = Operation.DIVIDE
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work.num1 = 1
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work.num2 = 0
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try:
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quotient = client.calculate(1, work)
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print('Whoa? You know how to divide by zero?')
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print('FYI the answer is %d' % quotient)
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except InvalidOperation as e:
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print('InvalidOperation: %r' % e)
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work.op = Operation.SUBTRACT
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work.num1 = 15
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work.num2 = 10
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diff = client.calculate(1, work)
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print('15-10=%d' % diff)
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log = client.getStruct(1)
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print('Check log: %s' % log.value)
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# Close!
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transport.close()
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if __name__ == '__main__':
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try:
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main()
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except Thrift.TException as tx:
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print('%s' % tx.message)
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