Current File : //usr/lib/python2.7/site-packages/salt/transport/server.py
# -*- coding: utf-8 -*-
'''
Encapsulate the different transports available to Salt.
This includes server side transport, for the ReqServer and the Publisher
'''
# Import Python Libs
from __future__ import absolute_import, print_function, unicode_literals
class ReqServerChannel(object):
'''
Factory class to create a communication channels to the ReqServer
'''
def __init__(self, opts):
self.opts = opts
@staticmethod
def factory(opts, **kwargs):
# Default to ZeroMQ for now
ttype = 'zeromq'
# determine the ttype
if 'transport' in opts:
ttype = opts['transport']
elif 'transport' in opts.get('pillar', {}).get('master', {}):
ttype = opts['pillar']['master']['transport']
# switch on available ttypes
if ttype == 'zeromq':
import salt.transport.zeromq
return salt.transport.zeromq.ZeroMQReqServerChannel(opts)
elif ttype == 'raet':
import salt.transport.raet
return salt.transport.raet.RAETReqServerChannel(opts)
elif ttype == 'tcp':
import salt.transport.tcp
return salt.transport.tcp.TCPReqServerChannel(opts)
elif ttype == 'local':
import salt.transport.local
return salt.transport.local.LocalServerChannel(opts)
else:
raise Exception('Channels are only defined for ZeroMQ and raet')
# return NewKindOfChannel(opts, **kwargs)
def pre_fork(self, process_manager):
'''
Do anything necessary pre-fork. Since this is on the master side this will
primarily be bind and listen (or the equivalent for your network library)
'''
pass
def post_fork(self, payload_handler, io_loop):
'''
Do anything you need post-fork. This should handle all incoming payloads
and call payload_handler. You will also be passed io_loop, for all of your
asynchronous needs
'''
pass
class PubServerChannel(object):
'''
Factory class to create subscription channels to the master's Publisher
'''
@staticmethod
def factory(opts, **kwargs):
# Default to ZeroMQ for now
ttype = 'zeromq'
# determine the ttype
if 'transport' in opts:
ttype = opts['transport']
elif 'transport' in opts.get('pillar', {}).get('master', {}):
ttype = opts['pillar']['master']['transport']
# switch on available ttypes
if ttype == 'zeromq':
import salt.transport.zeromq
return salt.transport.zeromq.ZeroMQPubServerChannel(opts, **kwargs)
elif ttype == 'raet': # TODO:
import salt.transport.raet
return salt.transport.raet.RAETPubServerChannel(opts, **kwargs)
elif ttype == 'tcp':
import salt.transport.tcp
return salt.transport.tcp.TCPPubServerChannel(opts)
elif ttype == 'local': # TODO:
import salt.transport.local
return salt.transport.local.LocalPubServerChannel(opts, **kwargs)
else:
raise Exception('Channels are only defined for ZeroMQ and raet')
# return NewKindOfChannel(opts, **kwargs)
def pre_fork(self, process_manager, kwargs=None):
'''
Do anything necessary pre-fork. Since this is on the master side this will
primarily be used to create IPC channels and create our daemon process to
do the actual publishing
'''
pass
def publish(self, load):
'''
Publish "load" to minions
'''
raise NotImplementedError()
# EOF
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