| #!/usr/bin/python |
| |
| # Copyright (c) 2009-2010 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """A CherryPy-based webserver to host images and build packages.""" |
| |
| import cherrypy |
| import optparse |
| import os |
| import sys |
| |
| import autoupdate |
| |
| # Sets up global to share between classes. |
| global updater |
| updater = None |
| |
| def _GetConfig(options): |
| """Returns the configuration for the devserver.""" |
| base_config = { 'global': |
| { 'server.log_request_headers': True, |
| 'server.protocol_version': 'HTTP/1.1', |
| 'server.socket_host': '0.0.0.0', |
| 'server.socket_port': int(options.port), |
| 'server.socket_timeout': 6000, |
| 'response.timeout': 6000, |
| 'tools.staticdir.root': os.getcwd(), |
| }, |
| '/update': |
| { |
| # Gets rid of cherrypy parsing post file for args. |
| 'request.process_request_body': False, |
| }, |
| # Sets up the static dir for file hosting. |
| '/static': |
| { 'tools.staticdir.dir': 'static', |
| 'tools.staticdir.on': True, |
| }, |
| } |
| return base_config |
| |
| |
| def _PrepareToServeUpdatesOnly(image_dir): |
| """Sets up symlink to image_dir for serving purposes.""" |
| assert os.path.exists(image_dir), '%s must exist.' % image_dir |
| # If we're serving out of an archived build dir (e.g. a |
| # buildbot), prepare this webserver's magic 'static/' dir with a |
| # link to the build archive. |
| cherrypy.log('Preparing autoupdate for "serve updates only" mode.', |
| 'DEVSERVER') |
| if os.path.exists('static/archive'): |
| if image_dir != os.readlink('static/archive'): |
| cherrypy.log('removing stale symlink to %s' % image_dir, 'DEVSERVER') |
| os.unlink('static/archive') |
| os.symlink(image_dir, 'static/archive') |
| else: |
| os.symlink(image_dir, 'static/archive') |
| cherrypy.log('archive dir: %s ready to be used to serve images.' % image_dir, |
| 'DEVSERVER') |
| |
| |
| class DevServerRoot: |
| """The Root Class for the Dev Server. |
| |
| CherryPy works as follows: |
| For each method in this class, cherrpy interprets root/path |
| as a call to an instance of DevServerRoot->method_name. For example, |
| a call to http://myhost/build will call build. CherryPy automatically |
| parses http args and places them as keyword arguments in each method. |
| For paths http://myhost/update/dir1/dir2, you can use *args so that |
| cherrypy uses the update method and puts the extra paths in args. |
| """ |
| |
| def build(self, board, pkg): |
| """Builds the package specified.""" |
| cherrypy.log('emerging %s' % pkg, 'BUILD') |
| emerge_command = 'emerge-%s %s' % (board, pkg) |
| err = os.system(emerge_command) |
| if err != 0: |
| raise Exception('failed to execute %s' % emerge_command) |
| eclean_command = 'eclean-%s -d packages' % board |
| err = os.system(eclean_command) |
| if err != 0: |
| raise Exception('failed to execute %s' % emerge_command) |
| |
| def index(self): |
| return 'Welcome to the Dev Server!' |
| |
| def update(self, *args): |
| label = '/'.join(args) |
| body_length = int(cherrypy.request.headers['Content-Length']) |
| data = cherrypy.request.rfile.read(body_length) |
| return updater.HandleUpdatePing(data, label) |
| |
| # Expose actual methods. Necessary to actually have these callable. |
| build.exposed = True |
| update.exposed = True |
| index.exposed = True |
| |
| |
| if __name__ == '__main__': |
| usage = 'usage: %prog [options]' |
| parser = optparse.OptionParser(usage) |
| parser.add_option('--archive_dir', dest='archive_dir', |
| help='serve archived builds only.') |
| parser.add_option('--client_prefix', dest='client_prefix', |
| help='Required prefix for client software version.', |
| default='MementoSoftwareUpdate') |
| parser.add_option('--factory_config', dest='factory_config', |
| help='Config file for serving images from factory floor.') |
| parser.add_option('--image', dest='image', |
| help='Force update using this image.') |
| parser.add_option('--port', default=8080, |
| help='Port for the dev server to use.') |
| parser.add_option('-t', action='store_true', dest='test_image') |
| parser.add_option('-u', '--urlbase', dest='urlbase', |
| help='base URL, other than devserver, for update images.') |
| parser.add_option('--use_cached', action="store_true", default=False, |
| help='Prefer cached image regardless of timestamps.') |
| parser.add_option('--validate_factory_config', action="store_true", |
| dest='validate_factory_config', |
| help='Validate factory config file, then exit.') |
| parser.set_usage(parser.format_help()) |
| (options, _) = parser.parse_args() |
| |
| devserver_dir = os.path.dirname(os.path.abspath(sys.argv[0])) |
| root_dir = os.path.realpath('%s/../..' % devserver_dir) |
| serve_only = False |
| |
| if options.archive_dir: |
| static_dir = os.path.realpath(options.archive_dir) |
| _PrepareToServeUpdatesOnly(static_dir) |
| serve_only = True |
| else: |
| static_dir = os.path.realpath('%s/static' % devserver_dir) |
| os.system('mkdir -p %s' % static_dir) |
| |
| cherrypy.log('Source root is %s' % root_dir, 'DEVSERVER') |
| cherrypy.log('Serving from %s' % static_dir, 'DEVSERVER') |
| |
| updater = autoupdate.Autoupdate( |
| root_dir=root_dir, |
| static_dir=static_dir, |
| serve_only=serve_only, |
| urlbase=options.urlbase, |
| test_image=options.test_image, |
| factory_config_path=options.factory_config, |
| client_prefix=options.client_prefix, |
| forced_image=options.image, |
| use_cached=options.use_cached, |
| port=options.port) |
| |
| # Sanity-check for use of validate_factory_config. |
| if not options.factory_config and options.validate_factory_config: |
| parser.error('You need a factory_config to validate.') |
| |
| if options.factory_config: |
| updater.ImportFactoryConfigFile(options.factory_config, |
| options.validate_factory_config) |
| # We don't run the dev server with this option. |
| if options.validate_factory_config: |
| sys.exit(0) |
| |
| cherrypy.quickstart(DevServerRoot(), config=_GetConfig(options)) |