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###############################################################################
# Copyright (c) 2011 Linaro
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Eclipse Public License v1.0
# which accompanies this distribution, and is available at
# http://www.eclipse.org/legal/epl-v10.html
###############################################################################
import re
import urlparse
from urllib import quote as urlquote
from twisted.application import (
internet,
service,
)
from twisted.internet import reactor
from twisted.web import (
proxy,
rewrite,
static,
server,
resource,
)
class ReverseProxyResource(resource.Resource):
proxyClientFactoryClass = proxy.ProxyClientFactory
def __init__(self, host, port, path, reactor=reactor):
resource.Resource.__init__(self)
self.host = host
self.port = port
self.path = path
self.reactor = reactor
def getChild(self, path, request):
"""
Create and return a proxy resource with the same proxy configuration
as this one, except that its path also contains the segment given by
C{path} at the end.
"""
return ReverseProxyResource(
self.host, self.port, self.path + '/' + urlquote(path, safe=""),
self.reactor)
def render(self, request):
"""
Render a request by forwarding it to the proxied server.
"""
# RFC 2616 tells us that we can omit the port if it's the default port,
# but we have to provide it otherwise
#if self.port == 80:
# host = self.host
#else:
# host = "%s:%d" % (self.host, self.port)
#request.received_headers['host'] = host
request.content.seek(0, 0)
qs = urlparse.urlparse(request.uri)[4]
if qs:
rest = self.path + '?' + qs
else:
rest = self.path
clientFactory = self.proxyClientFactoryClass(
request.method, rest, request.clientproto,
request.getAllHeaders(), request.content.read(), request)
self.reactor.connectTCP(self.host, self.port, clientFactory)
return server.NOT_DONE_YET
jenkins_proxy = ReverseProxyResource('localhost', 9090, '/jenkins')
class OutputRedirectingResource(resource.Resource):
def __init__(self, orig):
resource.Resource.__init__(self)
self.orig = orig
def getChild(self, segment, request):
path = '/'.join(request.prepath + request.postpath[:4])
m = re.match('^builds/~([a-z][-a-z0-9]+)/([-A-Za-z0-9_]+)/([0-9]+)/output', path)
if m:
request.prepath.extend(request.postpath[:3])
del request.postpath[:4]
job_name = '%s_%s' % (m.group(1), m.group(2))
return ReverseProxyResource(
'localhost', 10102, '/' + job_name + '/builds/' + m.group(3) + '/archive')
return self.orig.getChildWithDefault(segment, request)
def render(request):
return self.orig.render(request)
django_proxy = ReverseProxyResource('localhost', 9000, '')
static_root = static.File('static')
root = django_proxy
root.putChild('static', static_root)
root.putChild('jenkins', jenkins_proxy)
site = server.Site(root)
application = service.Application("linaro-android-build demo")
internet.TCPServer(
10101, server.Site(OutputRedirectingResource(root))
).setServiceParent(application)
internet.TCPServer(
10102, server.Site(static.File('/var/lib/hudson/jobs'))
).setServiceParent(application)
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