210 lines
6.8 KiB
Python
210 lines
6.8 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 OpenStack Foundation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Keypair management extension."""
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import webob
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import webob.exc
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from nova.api.openstack.compute import servers
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from nova.api.openstack import extensions
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from nova.api.openstack import wsgi
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from nova.api.openstack import xmlutil
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from nova.compute import api as compute_api
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from nova import exception
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authorize = extensions.extension_authorizer('compute', 'keypairs')
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soft_authorize = extensions.soft_extension_authorizer('compute', 'keypairs')
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class KeypairTemplate(xmlutil.TemplateBuilder):
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def construct(self):
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return xmlutil.MasterTemplate(xmlutil.make_flat_dict('keypair'), 1)
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class KeypairsTemplate(xmlutil.TemplateBuilder):
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def construct(self):
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root = xmlutil.TemplateElement('keypairs')
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elem = xmlutil.make_flat_dict('keypair', selector='keypairs',
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subselector='keypair')
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root.append(elem)
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return xmlutil.MasterTemplate(root, 1)
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class KeypairController(object):
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"""Keypair API controller for the OpenStack API."""
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def __init__(self):
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self.api = compute_api.KeypairAPI()
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@wsgi.serializers(xml=KeypairTemplate)
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def create(self, req, body):
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"""
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Create or import keypair.
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Sending name will generate a key and return private_key
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and fingerprint.
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You can send a public_key to add an existing ssh key
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params: keypair object with:
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name (required) - string
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public_key (optional) - string
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"""
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context = req.environ['nova.context']
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authorize(context)
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try:
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params = body['keypair']
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name = params['name']
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except KeyError:
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msg = _("Invalid request body")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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try:
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if 'public_key' in params:
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keypair = self.api.import_key_pair(context,
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context.user_id, name,
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params['public_key'])
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else:
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keypair = self.api.create_key_pair(context, context.user_id,
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name)
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return {'keypair': keypair}
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except exception.KeypairLimitExceeded:
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msg = _("Quota exceeded, too many key pairs.")
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raise webob.exc.HTTPRequestEntityTooLarge(
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explanation=msg,
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headers={'Retry-After': 0})
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except exception.InvalidKeypair:
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msg = _("Keypair data is invalid")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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except exception.KeyPairExists:
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msg = _("Key pair '%s' already exists.") % name
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raise webob.exc.HTTPConflict(explanation=msg)
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def delete(self, req, id):
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"""
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Delete a keypair with a given name
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"""
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context = req.environ['nova.context']
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authorize(context)
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try:
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self.api.delete_key_pair(context, context.user_id, id)
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except exception.KeypairNotFound:
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raise webob.exc.HTTPNotFound()
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return webob.Response(status_int=202)
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@wsgi.serializers(xml=KeypairTemplate)
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def show(self, req, id):
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"""Return data for the given key name."""
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context = req.environ['nova.context']
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authorize(context)
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keypair = self.api.get_key_pair(context, context.user_id, id)
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return {'keypair': keypair}
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@wsgi.serializers(xml=KeypairsTemplate)
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def index(self, req):
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"""
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List of keypairs for a user
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"""
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context = req.environ['nova.context']
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authorize(context)
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key_pairs = self.api.get_key_pairs(context, context.user_id)
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rval = []
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for key_pair in key_pairs:
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rval.append({'keypair': {
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'name': key_pair['name'],
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'public_key': key_pair['public_key'],
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'fingerprint': key_pair['fingerprint'],
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}})
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return {'keypairs': rval}
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class ServerKeyNameTemplate(xmlutil.TemplateBuilder):
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def construct(self):
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root = xmlutil.TemplateElement('server')
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root.set('key_name', 'key_name')
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return xmlutil.SlaveTemplate(root, 1)
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class ServersKeyNameTemplate(xmlutil.TemplateBuilder):
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def construct(self):
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root = xmlutil.TemplateElement('servers')
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elem = xmlutil.SubTemplateElement(root, 'server', selector='servers')
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elem.set('key_name', 'key_name')
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return xmlutil.SlaveTemplate(root, 1)
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class Controller(servers.Controller):
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def _add_key_name(self, req, servers):
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for server in servers:
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db_server = req.get_db_instance(server['id'])
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# server['id'] is guaranteed to be in the cache due to
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# the core API adding it in its 'show'/'detail' methods.
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server['key_name'] = db_server['key_name']
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def _show(self, req, resp_obj):
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if 'server' in resp_obj.obj:
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resp_obj.attach(xml=ServerKeyNameTemplate())
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server = resp_obj.obj['server']
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self._add_key_name(req, [server])
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@wsgi.extends
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def show(self, req, resp_obj, id):
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context = req.environ['nova.context']
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if soft_authorize(context):
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self._show(req, resp_obj)
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@wsgi.extends
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def detail(self, req, resp_obj):
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context = req.environ['nova.context']
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if 'servers' in resp_obj.obj and soft_authorize(context):
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resp_obj.attach(xml=ServersKeyNameTemplate())
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servers = resp_obj.obj['servers']
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self._add_key_name(req, servers)
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class Keypairs(extensions.ExtensionDescriptor):
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"""Keypair Support."""
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name = "Keypairs"
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alias = "os-keypairs"
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namespace = "http://docs.openstack.org/compute/ext/keypairs/api/v1.1"
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updated = "2011-08-08T00:00:00+00:00"
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def get_resources(self):
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resources = []
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res = extensions.ResourceExtension(
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'os-keypairs',
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KeypairController())
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resources.append(res)
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return resources
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def get_controller_extensions(self):
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controller = Controller(self.ext_mgr)
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extension = extensions.ControllerExtension(self, 'servers', controller)
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return [extension]
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