87 lines
2.6 KiB
Python
Executable file
87 lines
2.6 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 optparse, sys, traceback
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from qpid.messaging import *
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from qpid.util import URL
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from subprocess import Popen, STDOUT, PIPE
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from qpid.log import enable, DEBUG, WARN
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parser = optparse.OptionParser(usage="usage: %prog [options] ADDRESS ...",
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description="handle requests from the supplied address.")
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parser.add_option("-b", "--broker", default="localhost",
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help="connect to specified BROKER (default %default)")
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parser.add_option("-v", dest="verbose", action="store_true", help="enable logging")
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opts, args = parser.parse_args()
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if opts.verbose:
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enable("qpid", DEBUG)
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else:
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enable("qpid", WARN)
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url = URL(opts.broker)
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if args:
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addr = args.pop(0)
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else:
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parser.error("address is required")
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# XXX: should make URL default the port for us
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conn = Connection.open(url.host, url.port or AMQP_PORT,
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username=url.user, password=url.password)
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conn.reconnect = True
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ssn = conn.session()
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rcv = ssn.receiver(addr)
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def dispatch(msg):
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msg_type = msg.properties.get("type")
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if msg_type == "shell":
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proc = Popen(msg.content, shell=True, stderr=STDOUT, stdin=PIPE, stdout=PIPE)
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output, _ = proc.communicate()
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result = Message(output)
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result.properties["exit"] = proc.returncode
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elif msg_type == "eval":
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try:
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content = eval(msg.content)
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except:
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content = traceback.format_exc()
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result = Message(content)
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else:
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result = Message("unrecognized message type: %s" % msg_type)
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return result
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while True:
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try:
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msg = rcv.fetch()
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response = dispatch(msg)
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snd = ssn.sender(msg.reply_to)
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try:
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snd.send(response)
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except SendError, e:
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print e
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snd.close()
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ssn.acknowledge()
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except Empty:
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break
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except ReceiveError, e:
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print e
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break
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conn.close()
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