From ca7bf95e610bdc47f01b8fb7b459269bb8e5df66 Mon Sep 17 00:00:00 2001 From: Tushar Patil Date: Thu, 11 Aug 2011 18:11:59 -0700 Subject: Initial version --- nova/api/__init__.py | 6 ++ nova/api/ec2/__init__.py | 3 - nova/api/openstack/create_instance_helper.py | 4 +- nova/api/openstack/userdatarequesthandler.py | 110 +++++++++++++++++++++++++++ 4 files changed, 119 insertions(+), 4 deletions(-) create mode 100644 nova/api/openstack/userdatarequesthandler.py (limited to 'nova/api') diff --git a/nova/api/__init__.py b/nova/api/__init__.py index 747015af5..6e6b092b3 100644 --- a/nova/api/__init__.py +++ b/nova/api/__init__.py @@ -15,3 +15,9 @@ # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. +from nova import flags + + +flags.DEFINE_boolean('use_forwarded_for', False, + 'Treat X-Forwarded-For as the canonical remote address. ' + 'Only enable this if you have a sanitizing proxy.') diff --git a/nova/api/ec2/__init__.py b/nova/api/ec2/__init__.py index 8b6e47cfb..e497b499a 100644 --- a/nova/api/ec2/__init__.py +++ b/nova/api/ec2/__init__.py @@ -37,9 +37,6 @@ from nova.auth import manager FLAGS = flags.FLAGS LOG = logging.getLogger("nova.api") -flags.DEFINE_boolean('use_forwarded_for', False, - 'Treat X-Forwarded-For as the canonical remote address. ' - 'Only enable this if you have a sanitizing proxy.') flags.DEFINE_integer('lockout_attempts', 5, 'Number of failed auths before lockout.') flags.DEFINE_integer('lockout_minutes', 15, diff --git a/nova/api/openstack/create_instance_helper.py b/nova/api/openstack/create_instance_helper.py index 1425521a9..144697790 100644 --- a/nova/api/openstack/create_instance_helper.py +++ b/nova/api/openstack/create_instance_helper.py @@ -122,6 +122,7 @@ class CreateInstanceHelper(object): raise exc.HTTPBadRequest(explanation=msg) zone_blob = server_dict.get('blob') + user_data = server_dict.get('user_data') name = server_dict['name'] self._validate_server_name(name) name = name.strip() @@ -161,7 +162,8 @@ class CreateInstanceHelper(object): zone_blob=zone_blob, reservation_id=reservation_id, min_count=min_count, - max_count=max_count)) + max_count=max_count, + user_data=user_data)) except quota.QuotaError as error: self._handle_quota_error(error) except exception.ImageNotFound as error: diff --git a/nova/api/openstack/userdatarequesthandler.py b/nova/api/openstack/userdatarequesthandler.py new file mode 100644 index 000000000..5daa37e95 --- /dev/null +++ b/nova/api/openstack/userdatarequesthandler.py @@ -0,0 +1,110 @@ +# 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. + +"""User data request handler.""" + +import base64 +import webob.dec +import webob.exc + +from nova import log as logging +from nova import context +from nova import exception +from nova import db +from nova import flags +from nova import wsgi + + +LOG = logging.getLogger('nova.api.openstack.userdata') +FLAGS = flags.FLAGS + + +class Controller(object): + """ The server user-data API controller for the Openstack API """ + + def __init__(self): + super(Controller, self).__init__() + + @staticmethod + def _format_user_data(instance_ref): + return base64.b64decode(instance_ref['user_data']) + + def get_user_data(self, address): + ctxt = context.get_admin_context() + try: + instance_ref = db.instance_get_by_fixed_ip(ctxt, address) + except exception.NotFound: + instance_ref = None + if not instance_ref: + return None + + data = {'user-data': self._format_user_data(instance_ref)} + return data + + +class UserdataRequestHandler(wsgi.Application): + """Serve user-data from the OS API.""" + + def __init__(self): + self.cc = Controller() + + def print_data(self, data): + if isinstance(data, dict): + output = '' + for key in data: + if key == '_name': + continue + output += key + if isinstance(data[key], dict): + if '_name' in data[key]: + output += '=' + str(data[key]['_name']) + else: + output += '/' + output += '\n' + # Cut off last \n + return output[:-1] + elif isinstance(data, list): + return '\n'.join(data) + else: + return str(data) + + def lookup(self, path, data): + items = path.split('/') + for item in items: + if item: + if not isinstance(data, dict): + return data + if not item in data: + return None + data = data[item] + return data + + @webob.dec.wsgify(RequestClass=wsgi.Request) + def __call__(self, req): + remote_address = "10.0.1.6"#req.remote_addr + if FLAGS.use_forwarded_for: + remote_address = req.headers.get('X-Forwarded-For', remote_address) + + data = self.cc.get_user_data(remote_address) + if data is None: + LOG.error(_('Failed to get user data for ip: %s'), remote_address) + raise webob.exc.HTTPNotFound() + data = self.lookup(req.path_info, data) + if data is None: + raise webob.exc.HTTPNotFound() + return self.print_data(data) -- cgit From 7507ba23004c989c75962c47efbd2ce5e5178a90 Mon Sep 17 00:00:00 2001 From: Tushar Patil Date: Thu, 11 Aug 2011 18:22:35 -0700 Subject: added userdata entry in the api paste ini --- nova/api/openstack/userdatarequesthandler.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'nova/api') diff --git a/nova/api/openstack/userdatarequesthandler.py b/nova/api/openstack/userdatarequesthandler.py index 5daa37e95..f0205419b 100644 --- a/nova/api/openstack/userdatarequesthandler.py +++ b/nova/api/openstack/userdatarequesthandler.py @@ -96,7 +96,7 @@ class UserdataRequestHandler(wsgi.Application): @webob.dec.wsgify(RequestClass=wsgi.Request) def __call__(self, req): - remote_address = "10.0.1.6"#req.remote_addr + remote_address = req.remote_addr if FLAGS.use_forwarded_for: remote_address = req.headers.get('X-Forwarded-For', remote_address) -- cgit From 8666aca320ce95840a378231bfe81bc4e759df6e Mon Sep 17 00:00:00 2001 From: Tushar Patil Date: Mon, 15 Aug 2011 11:50:54 -0700 Subject: Fixed merging issue --- nova/api/openstack/create_instance_helper.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'nova/api') diff --git a/nova/api/openstack/create_instance_helper.py b/nova/api/openstack/create_instance_helper.py index 7e9d48c02..c8798536e 100644 --- a/nova/api/openstack/create_instance_helper.py +++ b/nova/api/openstack/create_instance_helper.py @@ -164,7 +164,7 @@ class CreateInstanceHelper(object): reservation_id=reservation_id, min_count=min_count, max_count=max_count, - user_data=user_data)) + user_data=user_data, availability_zone=availability_zone)) except quota.QuotaError as error: self._handle_quota_error(error) -- cgit From 9a4b1deb5f9abdc88809ff80bccdfb503e66dccd Mon Sep 17 00:00:00 2001 From: Tushar Patil Date: Mon, 15 Aug 2011 15:09:42 -0700 Subject: Removed newly added userdatarequesthandler for OS API, there is no need to add this handler since the existing Ec2 API metadatarequesthandler does the same job --- nova/api/__init__.py | 6 -- nova/api/ec2/__init__.py | 3 + nova/api/openstack/userdatarequesthandler.py | 110 --------------------------- 3 files changed, 3 insertions(+), 116 deletions(-) delete mode 100644 nova/api/openstack/userdatarequesthandler.py (limited to 'nova/api') diff --git a/nova/api/__init__.py b/nova/api/__init__.py index 6e6b092b3..747015af5 100644 --- a/nova/api/__init__.py +++ b/nova/api/__init__.py @@ -15,9 +15,3 @@ # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. -from nova import flags - - -flags.DEFINE_boolean('use_forwarded_for', False, - 'Treat X-Forwarded-For as the canonical remote address. ' - 'Only enable this if you have a sanitizing proxy.') diff --git a/nova/api/ec2/__init__.py b/nova/api/ec2/__init__.py index 2e9278b52..96df97393 100644 --- a/nova/api/ec2/__init__.py +++ b/nova/api/ec2/__init__.py @@ -37,6 +37,9 @@ from nova.auth import manager FLAGS = flags.FLAGS LOG = logging.getLogger("nova.api") +flags.DEFINE_boolean('use_forwarded_for', False, + 'Treat X-Forwarded-For as the canonical remote address. ' + 'Only enable this if you have a sanitizing proxy.') flags.DEFINE_integer('lockout_attempts', 5, 'Number of failed auths before lockout.') flags.DEFINE_integer('lockout_minutes', 15, diff --git a/nova/api/openstack/userdatarequesthandler.py b/nova/api/openstack/userdatarequesthandler.py deleted file mode 100644 index f0205419b..000000000 --- a/nova/api/openstack/userdatarequesthandler.py +++ /dev/null @@ -1,110 +0,0 @@ -# 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. - -"""User data request handler.""" - -import base64 -import webob.dec -import webob.exc - -from nova import log as logging -from nova import context -from nova import exception -from nova import db -from nova import flags -from nova import wsgi - - -LOG = logging.getLogger('nova.api.openstack.userdata') -FLAGS = flags.FLAGS - - -class Controller(object): - """ The server user-data API controller for the Openstack API """ - - def __init__(self): - super(Controller, self).__init__() - - @staticmethod - def _format_user_data(instance_ref): - return base64.b64decode(instance_ref['user_data']) - - def get_user_data(self, address): - ctxt = context.get_admin_context() - try: - instance_ref = db.instance_get_by_fixed_ip(ctxt, address) - except exception.NotFound: - instance_ref = None - if not instance_ref: - return None - - data = {'user-data': self._format_user_data(instance_ref)} - return data - - -class UserdataRequestHandler(wsgi.Application): - """Serve user-data from the OS API.""" - - def __init__(self): - self.cc = Controller() - - def print_data(self, data): - if isinstance(data, dict): - output = '' - for key in data: - if key == '_name': - continue - output += key - if isinstance(data[key], dict): - if '_name' in data[key]: - output += '=' + str(data[key]['_name']) - else: - output += '/' - output += '\n' - # Cut off last \n - return output[:-1] - elif isinstance(data, list): - return '\n'.join(data) - else: - return str(data) - - def lookup(self, path, data): - items = path.split('/') - for item in items: - if item: - if not isinstance(data, dict): - return data - if not item in data: - return None - data = data[item] - return data - - @webob.dec.wsgify(RequestClass=wsgi.Request) - def __call__(self, req): - remote_address = req.remote_addr - if FLAGS.use_forwarded_for: - remote_address = req.headers.get('X-Forwarded-For', remote_address) - - data = self.cc.get_user_data(remote_address) - if data is None: - LOG.error(_('Failed to get user data for ip: %s'), remote_address) - raise webob.exc.HTTPNotFound() - data = self.lookup(req.path_info, data) - if data is None: - raise webob.exc.HTTPNotFound() - return self.print_data(data) -- cgit