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103 lines
3.9 KiB
Python
103 lines
3.9 KiB
Python
# Copyright 2017, David Wilson
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice, this
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# list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# 3. Neither the name of the copyright holder nor the names of its contributors
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# may be used to endorse or promote products derived from this software without
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# specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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from __future__ import absolute_import
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import os
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import mitogen
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import mitogen.master
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import mitogen.service
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import mitogen.unix
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import mitogen.utils
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import ansible_mitogen.action.mitogen
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import ansible.errors
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import ansible.plugins.strategy.linear
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import ansible.plugins
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class ContextProxyService(mitogen.service.Service):
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well_known_id = 500
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max_message_size = 1000
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def __init__(self, router):
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super(ContextProxyService, self).__init__(router)
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self._context_by_id = {}
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def validate_args(self, args):
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return isinstance(args, dict)
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def dispatch(self, dct, msg):
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key = repr(sorted(dct.items()))
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if key not in self._context_by_id:
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method = getattr(self.router, dct.pop('method'))
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self._context_by_id[key] = method(**dct)
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return self._context_by_id[key]
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class StrategyModule(ansible.plugins.strategy.linear.StrategyModule):
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def __init__(self, *args, **kwargs):
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super(StrategyModule, self).__init__(*args, **kwargs)
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self.add_connection_plugin_path()
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def add_connection_plugin_path(self):
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"""Automatically add the connection plug-in directory to the
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ModuleLoader path, reduces end-user configuration."""
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# ansible_mitogen base directory:
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basedir = os.path.dirname(os.path.dirname(__file__))
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conn_dir = os.path.join(basedir, 'connection')
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ansible.plugins.connection_loader.add_directory(conn_dir)
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def run(self, iterator, play_context, result=0):
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self.router = mitogen.master.Router()
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self.listener = mitogen.unix.Listener(self.router)
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os.environ['LISTENER_SOCKET_PATH'] = self.listener.path
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self.service = ContextProxyService(self.router)
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mitogen.utils.log_to_file()
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if play_context.connection == 'ssh':
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play_context.connection = 'mitogen'
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import threading
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th = threading.Thread(target=self.service.run)
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th.setDaemon(True)
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th.start()
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real_get = ansible.plugins.action_loader.get
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def get(name, *args, **kwargs):
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if name == 'normal':
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return ansible_mitogen.action.mitogen.ActionModule(*args, **kwargs)
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return real_get(name, *args, **kwargs)
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ansible.plugins.action_loader.get = get
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try:
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return super(StrategyModule, self).run(iterator, play_context)
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finally:
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self.router.broker.shutdown()
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os.unlink(self.listener.path)
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