diff options
-rwxr-xr-x | bin/nova-api-paste | 109 | ||||
-rw-r--r-- | etc/nova-api.conf | 63 | ||||
-rw-r--r-- | nova/api/ec2/__init__.py | 55 | ||||
-rw-r--r-- | nova/api/ec2/metadatarequesthandler.py | 4 | ||||
-rw-r--r-- | nova/api/openstack/__init__.py | 23 | ||||
-rw-r--r-- | nova/api/openstack/auth.py | 6 | ||||
-rw-r--r-- | nova/api/openstack/ratelimiting/__init__.py | 6 | ||||
-rw-r--r-- | tools/pip-requires | 4 |
8 files changed, 265 insertions, 5 deletions
diff --git a/bin/nova-api-paste b/bin/nova-api-paste new file mode 100755 index 000000000..6ee833a18 --- /dev/null +++ b/bin/nova-api-paste @@ -0,0 +1,109 @@ +#!/usr/bin/env python +# pylint: disable-msg=C0103 +# vim: tabstop=4 shiftwidth=4 softtabstop=4 + +# Copyright 2010 United States Government as represented by the +# Administrator of the National Aeronautics and Space Administration. +# All Rights Reserved. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Starter script for Nova API.""" + +import gettext +import logging +import os +import sys + +from paste import deploy + +# If ../nova/__init__.py exists, add ../ to Python search path, so that +# it will override what happens to be installed in /usr/(local/)lib/python... +possible_topdir = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]), + os.pardir, + os.pardir)) +if os.path.exists(os.path.join(possible_topdir, 'nova', '__init__.py')): + sys.path.insert(0, possible_topdir) + +gettext.install('nova', unicode=1) + +from nova import flags +from nova import wsgi + +LOG = logging.getLogger('nova.api') +LOG.setLevel(logging.DEBUG) +LOG.addHandler(logging.StreamHandler()) + +FLAGS = flags.FLAGS + +API_ENDPOINTS = ['ec2', 'openstack'] + + +def load_configuration(paste_config): + """Load the paste configuration from the config file and return it.""" + config = None + # Try each known name to get the global DEFAULTS, which will give ports + for name in API_ENDPOINTS: + try: + config = deploy.appconfig("config:%s" % paste_config, name=name) + except LookupError: + pass + if config: + verbose = config.get('verbose', None) + if verbose: + FLAGS.verbose = int(verbose) == 1 + if FLAGS.verbose: + logging.getLogger().setLevel(logging.DEBUG) + return config + LOG.debug(_("Paste config at %s has no secion for known apis"), + paste_config) + print _("Paste config at %s has no secion for any known apis") % \ + paste_config + os.exit(1) + + +def launch_api(paste_config_file, section, server, port, host): + """Launch an api server from the specified port and IP.""" + LOG.debug(_("Launching %s api on %s:%s"), section, host, port) + app = deploy.loadapp('config:%s' % paste_config_file, name=section) + server.start(app, int(port), host) + + +def run_app(paste_config_file): + LOG.debug(_("Using paste.deploy config at: %s"), configfile) + config = load_configuration(paste_config_file) + LOG.debug(_("Configuration: %r"), config) + server = wsgi.Server() + ip = config.get('host', '0.0.0.0') + for api in API_ENDPOINTS: + port = config.get("%s_port" % api, None) + if not port: + continue + host = config.get("%s_host" % api, ip) + launch_api(configfile, api, server, port, host) + LOG.debug(_("All api servers launched, now waiting")) + server.wait() + + +if __name__ == '__main__': + FLAGS(sys.argv) + configfiles = ['/etc/nova/nova-api.conf'] + if os.path.exists(os.path.join(possible_topdir, 'nova', '__init__.py')): + configfiles.insert(0, + os.path.join(possible_topdir, 'etc', 'nova-api.conf')) + for configfile in configfiles: + if os.path.exists(configfile): + run_app(configfile) + break + else: + LOG.debug(_("Skipping missing configuration: %s"), configfile) diff --git a/etc/nova-api.conf b/etc/nova-api.conf new file mode 100644 index 000000000..c5dd0aaec --- /dev/null +++ b/etc/nova-api.conf @@ -0,0 +1,63 @@ +[DEFAULT] +verbose = 1 +ec2_port = 8773 +ec2_address = 0.0.0.0 +openstack_port = 8774 +openstack_address = 0.0.0.0 + +####### +# EC2 # +####### + +[composite:ec2] +use = egg:Paste#urlmap +/: ec2versions +/services: ec2api +/latest: ec2metadata +/200: ec2metadata +/1.0: ec2metadata + +[pipeline:ec2api] +pipeline = authenticate router authorizer ec2executor + +[filter:authenticate] +paste.filter_factory = nova.api.ec2:authenticate_factory + +[filter:router] +paste.filter_factory = nova.api.ec2:router_factory + +[filter:authorizer] +paste.filter_factory = nova.api.ec2:authorizer_factory + +[app:ec2executor] +paste.app_factory = nova.api.ec2:executor_factory + +[app:ec2versions] +paste.app_factory = nova.api.ec2:versions_factory + +[app:ec2metadata] +paste.app_factory = nova.api.ec2.metadatarequesthandler:metadata_factory + +############# +# Openstack # +############# + +[composite:openstack] +use = egg:Paste#urlmap +/: osversions +/v1.0: openstackapi + +[pipeline:openstackapi] +pipeline = auth ratelimit osapi + +[filter:auth] +paste.filter_factory = nova.api.openstack.auth:auth_factory + +[filter:ratelimit] +paste.filter_factory = nova.api.openstack.ratelimiting:ratelimit_factory + +[app:osapi] +paste.app_factory = nova.api.openstack:router_factory + +[app:osversions] +paste.app_factory = nova.api.openstack:versions_factory diff --git a/nova/api/ec2/__init__.py b/nova/api/ec2/__init__.py index 51d33bcc6..aa3bfaeb4 100644 --- a/nova/api/ec2/__init__.py +++ b/nova/api/ec2/__init__.py @@ -294,10 +294,9 @@ class Executor(wsgi.Application): args = req.environ['ec2.action_args'] api_request = apirequest.APIRequest(controller, action) + result = None try: result = api_request.send(context, **args) - req.headers['Content-Type'] = 'text/xml' - return result except exception.ApiError as ex: if ex.code: @@ -307,6 +306,12 @@ class Executor(wsgi.Application): # TODO(vish): do something more useful with unknown exceptions except Exception as ex: return self._error(req, type(ex).__name__, str(ex)) + else: + resp = webob.Response() + resp.status = 200 + resp.headers['Content-Type'] = 'text/xml' + resp.body = str(result) + return resp def _error(self, req, code, message): logging.error("%s: %s", code, message) @@ -318,3 +323,49 @@ class Executor(wsgi.Application): '<Message>%s</Message></Error></Errors>' '<RequestID>?</RequestID></Response>' % (code, message)) return resp + + +class Versions(wsgi.Application): + + @webob.dec.wsgify + def __call__(self, req): + """Respond to a request for all EC2 versions.""" + # available api versions + versions = [ + '1.0', + '2007-01-19', + '2007-03-01', + '2007-08-29', + '2007-10-10', + '2007-12-15', + '2008-02-01', + '2008-09-01', + '2009-04-04', + ] + return ''.join('%s\n' % v for v in versions) + + +def authenticate_factory(global_args, **local_args): + def authenticator(app): + return Authenticate(app) + return authenticator + + +def router_factory(global_args, **local_args): + def router(app): + return Router(app) + return router + + +def authorizer_factory(global_args, **local_args): + def authorizer(app): + return Authorizer(app) + return authorizer + + +def executor_factory(global_args, **local_args): + return Executor() + + +def versions_factory(global_args, **local_args): + return Versions() diff --git a/nova/api/ec2/metadatarequesthandler.py b/nova/api/ec2/metadatarequesthandler.py index f832863a9..a57a6698a 100644 --- a/nova/api/ec2/metadatarequesthandler.py +++ b/nova/api/ec2/metadatarequesthandler.py @@ -79,3 +79,7 @@ class MetadataRequestHandler(object): if data is None: raise webob.exc.HTTPNotFound() return self.print_data(data) + + +def metadata_factory(global_args, **local_args): + return MetadataRequestHandler() diff --git a/nova/api/openstack/__init__.py b/nova/api/openstack/__init__.py index ea6dff004..a1430caed 100644 --- a/nova/api/openstack/__init__.py +++ b/nova/api/openstack/__init__.py @@ -20,7 +20,6 @@ WSGI middleware for OpenStack API controllers. """ -import json import time import logging @@ -41,7 +40,6 @@ from nova.api.openstack import images from nova.api.openstack import ratelimiting from nova.api.openstack import servers from nova.api.openstack import sharedipgroups -from nova.auth import manager FLAGS = flags.FLAGS @@ -115,3 +113,24 @@ class APIRouter(wsgi.Router): controller=sharedipgroups.Controller()) super(APIRouter, self).__init__(mapper) + + +class Versions(wsgi.Application): + @webob.dec.wsgify + def __call__(self, req): + """Respond to a request for all OpenStack API versions.""" + response = { + "versions": [ + dict(status="CURRENT", id="v1.0")]} + metadata = { + "application/xml": { + "attributes": dict(version=["status", "id"])}} + return wsgi.Serializer(req.environ, metadata).to_content_type(response) + + +def router_factory(global_cof, **local_conf): + return APIRouter() + + +def versions_factory(global_conf, **local_conf): + return Versions() diff --git a/nova/api/openstack/auth.py b/nova/api/openstack/auth.py index 1dfdd5318..00e817c8d 100644 --- a/nova/api/openstack/auth.py +++ b/nova/api/openstack/auth.py @@ -134,3 +134,9 @@ class AuthMiddleware(wsgi.Middleware): token = self.db.auth_create_token(ctxt, token_dict) return token, user return None, None + + +def auth_factory(global_conf, **local_conf): + def auth(app): + return AuthMiddleware(app) + return auth diff --git a/nova/api/openstack/ratelimiting/__init__.py b/nova/api/openstack/ratelimiting/__init__.py index cbb4b897e..81b83142f 100644 --- a/nova/api/openstack/ratelimiting/__init__.py +++ b/nova/api/openstack/ratelimiting/__init__.py @@ -219,3 +219,9 @@ class WSGIAppProxy(object): # No delay return None return float(resp.getheader('X-Wait-Seconds')) + + +def ratelimit_factory(global_conf, **local_conf): + def rl(app): + return RateLimitingMiddleware(app) + return rl diff --git a/tools/pip-requires b/tools/pip-requires index e9559521b..341043114 100644 --- a/tools/pip-requires +++ b/tools/pip-requires @@ -22,4 +22,6 @@ mox==0.5.0 greenlet==0.3.1 nose bzr -Twisted>=10.1.0
\ No newline at end of file +Twisted>=10.1.0 +PasteDeploy +paste |