739 lines
		
	
	
		
			32 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			739 lines
		
	
	
		
			32 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| # vim: tabstop=4 shiftwidth=4 softtabstop=4
 | |
| 
 | |
| # Copyright 2010 United States Government as represented by the
 | |
| # Administrator of the National Aeronautics and Space Administration.
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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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| #    Unless required by applicable law or agreed to in writing, software
 | |
| #    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
 | |
| #    under the License.
 | |
| 
 | |
| """
 | |
| Cloud Controller: Implementation of EC2 REST API calls, which are
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| dispatched to other nodes via AMQP RPC. State is via distributed
 | |
| datastore.
 | |
| """
 | |
| 
 | |
| import base64
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| import logging
 | |
| import os
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| import time
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| 
 | |
| from twisted.internet import defer
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| 
 | |
| from nova import datastore
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| from nova import exception
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| from nova import flags
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| from nova import rpc
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| from nova import utils
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| from nova.auth import rbac
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| from nova.auth import manager
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| from nova.compute import model
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| from nova.compute.instance_types import INSTANCE_TYPES
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| from nova.endpoint import images
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| from nova.network import service as network_service
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| from nova.network import model as network_model
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| from nova.volume import service
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| 
 | |
| 
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| FLAGS = flags.FLAGS
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| 
 | |
| 
 | |
| def _gen_key(user_id, key_name):
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|     """ Tuck this into AuthManager """
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|     try:
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|         mgr = manager.AuthManager()
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|         private_key, fingerprint = mgr.generate_key_pair(user_id, key_name)
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|     except Exception as ex:
 | |
|         return {'exception': ex}
 | |
|     return {'private_key': private_key, 'fingerprint': fingerprint}
 | |
| 
 | |
| 
 | |
| class CloudController(object):
 | |
|     """ CloudController provides the critical dispatch between
 | |
|  inbound API calls through the endpoint and messages
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|  sent to the other nodes.
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| """
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|     def __init__(self):
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|         self.instdir = model.InstanceDirectory()
 | |
|         self.setup()
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| 
 | |
|     @property
 | |
|     def instances(self):
 | |
|         """ All instances in the system, as dicts """
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|         return self.instdir.all
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| 
 | |
|     @property
 | |
|     def volumes(self):
 | |
|         """ returns a list of all volumes """
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|         for volume_id in datastore.Redis.instance().smembers("volumes"):
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|             volume = service.get_volume(volume_id)
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|             yield volume
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| 
 | |
|     def __str__(self):
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|         return 'CloudController'
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| 
 | |
|     def setup(self):
 | |
|         """ Ensure the keychains and folders exist. """
 | |
|         # Create keys folder, if it doesn't exist
 | |
|         if not os.path.exists(FLAGS.keys_path):
 | |
|             os.makedirs(FLAGS.keys_path)
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|         # Gen root CA, if we don't have one
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|         root_ca_path = os.path.join(FLAGS.ca_path, FLAGS.ca_file)
 | |
|         if not os.path.exists(root_ca_path):
 | |
|             start = os.getcwd()
 | |
|             os.chdir(FLAGS.ca_path)
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|             utils.runthis("Generating root CA: %s", "sh genrootca.sh")
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|             os.chdir(start)
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|             # TODO: Do this with M2Crypto instead
 | |
| 
 | |
|     def get_instance_by_ip(self, ip):
 | |
|         return self.instdir.by_ip(ip)
 | |
| 
 | |
|     def _get_mpi_data(self, project_id):
 | |
|         result = {}
 | |
|         for instance in self.instdir.all:
 | |
|             if instance['project_id'] == project_id:
 | |
|                 line = '%s slots=%d' % (instance['private_dns_name'],
 | |
|                     INSTANCE_TYPES[instance['instance_type']]['vcpus'])
 | |
|                 if instance['key_name'] in result:
 | |
|                     result[instance['key_name']].append(line)
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|                 else:
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|                     result[instance['key_name']] = [line]
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|         return result
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| 
 | |
|     def get_metadata(self, ipaddress):
 | |
|         i = self.get_instance_by_ip(ipaddress)
 | |
|         if i is None:
 | |
|             return None
 | |
|         mpi = self._get_mpi_data(i['project_id'])
 | |
|         if i['key_name']:
 | |
|             keys = {
 | |
|                 '0': {
 | |
|                     '_name': i['key_name'],
 | |
|                     'openssh-key': i['key_data']
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|                 }
 | |
|             }
 | |
|         else:
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|             keys = ''
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| 
 | |
|         address_record = network_model.FixedIp(i['private_dns_name'])
 | |
|         if address_record:
 | |
|             hostname = address_record['hostname']
 | |
|         else:
 | |
|             hostname = 'ip-%s' % i['private_dns_name'].replace('.', '-')
 | |
|         data = {
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|             'user-data': base64.b64decode(i['user_data']),
 | |
|             'meta-data': {
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|                 'ami-id': i['image_id'],
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|                 'ami-launch-index': i['ami_launch_index'],
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|                 'ami-manifest-path': 'FIXME', # image property
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|                 'block-device-mapping': { # TODO: replace with real data
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|                     'ami': 'sda1',
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|                     'ephemeral0': 'sda2',
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|                     'root': '/dev/sda1',
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|                     'swap': 'sda3'
 | |
|                 },
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|                 'hostname': hostname,
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|                 'instance-action': 'none',
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|                 'instance-id': i['instance_id'],
 | |
|                 'instance-type': i.get('instance_type', ''),
 | |
|                 'local-hostname': hostname,
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|                 'local-ipv4': i['private_dns_name'], # TODO: switch to IP
 | |
|                 'kernel-id': i.get('kernel_id', ''),
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|                 'placement': {
 | |
|                     'availaibility-zone': i.get('availability_zone', 'nova'),
 | |
|                 },
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|                 'public-hostname': hostname,
 | |
|                 'public-ipv4': i.get('dns_name', ''), # TODO: switch to IP
 | |
|                 'public-keys': keys,
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|                 'ramdisk-id': i.get('ramdisk_id', ''),
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|                 'reservation-id': i['reservation_id'],
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|                 'security-groups': i.get('groups', ''),
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|                 'mpi': mpi
 | |
|             }
 | |
|         }
 | |
|         if False: # TODO: store ancestor ids
 | |
|             data['ancestor-ami-ids'] = []
 | |
|         if i.get('product_codes', None):
 | |
|             data['product-codes'] = i['product_codes']
 | |
|         return data
 | |
| 
 | |
|     @rbac.allow('all')
 | |
|     def describe_availability_zones(self, context, **kwargs):
 | |
|         return {'availabilityZoneInfo': [{'zoneName': 'nova',
 | |
|                                           'zoneState': 'available'}]}
 | |
| 
 | |
|     @rbac.allow('all')
 | |
|     def describe_regions(self, context, region_name=None, **kwargs):
 | |
|         # TODO(vish): region_name is an array.  Support filtering
 | |
|         return {'regionInfo': [{'regionName': 'nova',
 | |
|                                 'regionUrl': FLAGS.ec2_url}]}
 | |
| 
 | |
|     @rbac.allow('all')
 | |
|     def describe_snapshots(self,
 | |
|                            context,
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|                            snapshot_id=None,
 | |
|                            owner=None,
 | |
|                            restorable_by=None,
 | |
|                            **kwargs):
 | |
|         return {'snapshotSet': [{'snapshotId': 'fixme',
 | |
|                                  'volumeId': 'fixme',
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|                                  'status': 'fixme',
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|                                  'startTime': 'fixme',
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|                                  'progress': 'fixme',
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|                                  'ownerId': 'fixme',
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|                                  'volumeSize': 0,
 | |
|                                  'description': 'fixme'}]}
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| 
 | |
|     @rbac.allow('all')
 | |
|     def describe_key_pairs(self, context, key_name=None, **kwargs):
 | |
|         key_pairs = context.user.get_key_pairs()
 | |
|         if not key_name is None:
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|             key_pairs = [x for x in key_pairs if x.name in key_name]
 | |
| 
 | |
|         result = []
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|         for key_pair in key_pairs:
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|             # filter out the vpn keys
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|             suffix = FLAGS.vpn_key_suffix
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|             if context.user.is_admin() or not key_pair.name.endswith(suffix):
 | |
|                 result.append({
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|                     'keyName': key_pair.name,
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|                     'keyFingerprint': key_pair.fingerprint,
 | |
|                 })
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| 
 | |
|         return {'keypairsSet': result}
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| 
 | |
|     @rbac.allow('all')
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|     def create_key_pair(self, context, key_name, **kwargs):
 | |
|         dcall = defer.Deferred()
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|         pool = context.handler.application.settings.get('pool')
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|         def _complete(kwargs):
 | |
|             if 'exception' in kwargs:
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|                 dcall.errback(kwargs['exception'])
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|                 return
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|             dcall.callback({'keyName': key_name,
 | |
|                 'keyFingerprint': kwargs['fingerprint'],
 | |
|                 'keyMaterial': kwargs['private_key']})
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|         pool.apply_async(_gen_key, [context.user.id, key_name],
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|             callback=_complete)
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|         return dcall
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| 
 | |
|     @rbac.allow('all')
 | |
|     def delete_key_pair(self, context, key_name, **kwargs):
 | |
|         context.user.delete_key_pair(key_name)
 | |
|         # aws returns true even if the key doens't exist
 | |
|         return True
 | |
| 
 | |
|     @rbac.allow('all')
 | |
|     def describe_security_groups(self, context, group_names, **kwargs):
 | |
|         groups = {'securityGroupSet': []}
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| 
 | |
|         # Stubbed for now to unblock other things.
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|         return groups
 | |
| 
 | |
|     @rbac.allow('netadmin')
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|     def create_security_group(self, context, group_name, **kwargs):
 | |
|         return True
 | |
| 
 | |
|     @rbac.allow('netadmin')
 | |
|     def delete_security_group(self, context, group_name, **kwargs):
 | |
|         return True
 | |
| 
 | |
|     @rbac.allow('projectmanager', 'sysadmin')
 | |
|     def get_console_output(self, context, instance_id, **kwargs):
 | |
|         # instance_id is passed in as a list of instances
 | |
|         instance = self._get_instance(context, instance_id[0])
 | |
|         return rpc.call('%s.%s' % (FLAGS.compute_topic, instance['node_name']),
 | |
|             {"method": "get_console_output",
 | |
|              "args": {"instance_id": instance_id[0]}})
 | |
| 
 | |
|     def _get_user_id(self, context):
 | |
|         if context and context.user:
 | |
|             return context.user.id
 | |
|         else:
 | |
|             return None
 | |
| 
 | |
|     @rbac.allow('projectmanager', 'sysadmin')
 | |
|     def describe_volumes(self, context, **kwargs):
 | |
|         volumes = []
 | |
|         for volume in self.volumes:
 | |
|             if context.user.is_admin() or volume['project_id'] == context.project.id:
 | |
|                 v = self.format_volume(context, volume)
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|                 volumes.append(v)
 | |
|         return defer.succeed({'volumeSet': volumes})
 | |
| 
 | |
|     def format_volume(self, context, volume):
 | |
|         v = {}
 | |
|         v['volumeId'] = volume['volume_id']
 | |
|         v['status'] = volume['status']
 | |
|         v['size'] = volume['size']
 | |
|         v['availabilityZone'] = volume['availability_zone']
 | |
|         v['createTime'] = volume['create_time']
 | |
|         if context.user.is_admin():
 | |
|             v['status'] = '%s (%s, %s, %s, %s)' % (
 | |
|                 volume.get('status', None),
 | |
|                 volume.get('user_id', None),
 | |
|                 volume.get('node_name', None),
 | |
|                 volume.get('instance_id', ''),
 | |
|                 volume.get('mountpoint', ''))
 | |
|         if volume['attach_status'] == 'attached':
 | |
|             v['attachmentSet'] = [{'attachTime': volume['attach_time'],
 | |
|                                    'deleteOnTermination': volume['delete_on_termination'],
 | |
|                                    'device': volume['mountpoint'],
 | |
|                                    'instanceId': volume['instance_id'],
 | |
|                                    'status': 'attached',
 | |
|                                    'volume_id': volume['volume_id']}]
 | |
|         else:
 | |
|             v['attachmentSet'] = [{}]
 | |
|         return v
 | |
| 
 | |
|     @rbac.allow('projectmanager', 'sysadmin')
 | |
|     @defer.inlineCallbacks
 | |
|     def create_volume(self, context, size, **kwargs):
 | |
|         # TODO(vish): refactor this to create the volume object here and tell service to create it
 | |
|         result = yield rpc.call(FLAGS.volume_topic, {"method": "create_volume",
 | |
|                                  "args": {"size": size,
 | |
|                                            "user_id": context.user.id,
 | |
|                                            "project_id": context.project.id}})
 | |
|         # NOTE(vish): rpc returned value is in the result key in the dictionary
 | |
|         volume = self._get_volume(context, result)
 | |
|         defer.returnValue({'volumeSet': [self.format_volume(context, volume)]})
 | |
| 
 | |
|     def _get_address(self, context, public_ip):
 | |
|         # FIXME(vish) this should move into network.py
 | |
|         address = network_model.ElasticIp.lookup(public_ip)
 | |
|         if address and (context.user.is_admin() or address['project_id'] == context.project.id):
 | |
|             return address
 | |
|         raise exception.NotFound("Address at ip %s not found" % public_ip)
 | |
| 
 | |
|     def _get_image(self, context, image_id):
 | |
|         """passes in context because
 | |
|         objectstore does its own authorization"""
 | |
|         result = images.list(context, [image_id])
 | |
|         if not result:
 | |
|             raise exception.NotFound('Image %s could not be found' % image_id)
 | |
|         image = result[0]
 | |
|         return image
 | |
| 
 | |
|     def _get_instance(self, context, instance_id):
 | |
|         for instance in self.instdir.all:
 | |
|             if instance['instance_id'] == instance_id:
 | |
|                 if context.user.is_admin() or instance['project_id'] == context.project.id:
 | |
|                     return instance
 | |
|         raise exception.NotFound('Instance %s could not be found' % instance_id)
 | |
| 
 | |
|     def _get_volume(self, context, volume_id):
 | |
|         volume = service.get_volume(volume_id)
 | |
|         if context.user.is_admin() or volume['project_id'] == context.project.id:
 | |
|             return volume
 | |
|         raise exception.NotFound('Volume %s could not be found' % volume_id)
 | |
| 
 | |
|     @rbac.allow('projectmanager', 'sysadmin')
 | |
|     def attach_volume(self, context, volume_id, instance_id, device, **kwargs):
 | |
|         volume = self._get_volume(context, volume_id)
 | |
|         if volume['status'] == "attached":
 | |
|             raise exception.ApiError("Volume is already attached")
 | |
|         # TODO(vish): looping through all volumes is slow. We should probably maintain an index
 | |
|         for vol in self.volumes:
 | |
|             if vol['instance_id'] == instance_id and vol['mountpoint'] == device:
 | |
|                 raise exception.ApiError("Volume %s is already attached to %s" % (vol['volume_id'], vol['mountpoint']))
 | |
|         volume.start_attach(instance_id, device)
 | |
|         instance = self._get_instance(context, instance_id)
 | |
|         compute_node = instance['node_name']
 | |
|         rpc.cast('%s.%s' % (FLAGS.compute_topic, compute_node),
 | |
|                                 {"method": "attach_volume",
 | |
|                                  "args": {"volume_id": volume_id,
 | |
|                                            "instance_id": instance_id,
 | |
|                                            "mountpoint": device}})
 | |
|         return defer.succeed({'attachTime': volume['attach_time'],
 | |
|                               'device': volume['mountpoint'],
 | |
|                               'instanceId': instance_id,
 | |
|                               'requestId': context.request_id,
 | |
|                               'status': volume['attach_status'],
 | |
|                               'volumeId': volume_id})
 | |
| 
 | |
|     @rbac.allow('projectmanager', 'sysadmin')
 | |
|     def detach_volume(self, context, volume_id, **kwargs):
 | |
|         volume = self._get_volume(context, volume_id)
 | |
|         instance_id = volume.get('instance_id', None)
 | |
|         if not instance_id:
 | |
|             raise exception.Error("Volume isn't attached to anything!")
 | |
|         if volume['status'] == "available":
 | |
|             raise exception.Error("Volume is already detached")
 | |
|         try:
 | |
|             volume.start_detach()
 | |
|             instance = self._get_instance(context, instance_id)
 | |
|             rpc.cast('%s.%s' % (FLAGS.compute_topic, instance['node_name']),
 | |
|                                 {"method": "detach_volume",
 | |
|                                  "args": {"instance_id": instance_id,
 | |
|                                            "volume_id": volume_id}})
 | |
|         except exception.NotFound:
 | |
|             # If the instance doesn't exist anymore,
 | |
|             # then we need to call detach blind
 | |
|             volume.finish_detach()
 | |
|         return defer.succeed({'attachTime': volume['attach_time'],
 | |
|                               'device': volume['mountpoint'],
 | |
|                               'instanceId': instance_id,
 | |
|                               'requestId': context.request_id,
 | |
|                               'status': volume['attach_status'],
 | |
|                               'volumeId': volume_id})
 | |
| 
 | |
|     def _convert_to_set(self, lst, label):
 | |
|         if lst == None or lst == []:
 | |
|             return None
 | |
|         if not isinstance(lst, list):
 | |
|             lst = [lst]
 | |
|         return [{label: x} for x in lst]
 | |
| 
 | |
|     @rbac.allow('all')
 | |
|     def describe_instances(self, context, **kwargs):
 | |
|         return defer.succeed(self._format_describe_instances(context))
 | |
| 
 | |
|     def _format_describe_instances(self, context):
 | |
|         return { 'reservationSet': self._format_instances(context) }
 | |
| 
 | |
|     def _format_run_instances(self, context, reservation_id):
 | |
|         i = self._format_instances(context, reservation_id)
 | |
|         assert len(i) == 1
 | |
|         return i[0]
 | |
| 
 | |
|     def _format_instances(self, context, reservation_id = None):
 | |
|         reservations = {}
 | |
|         if context.user.is_admin():
 | |
|             instgenerator = self.instdir.all
 | |
|         else:
 | |
|             instgenerator = self.instdir.by_project(context.project.id)
 | |
|         for instance in instgenerator:
 | |
|             res_id = instance.get('reservation_id', 'Unknown')
 | |
|             if reservation_id != None and reservation_id != res_id:
 | |
|                 continue
 | |
|             if not context.user.is_admin():
 | |
|                 if instance['image_id'] == FLAGS.vpn_image_id:
 | |
|                     continue
 | |
|             i = {}
 | |
|             i['instance_id'] = instance.get('instance_id', None)
 | |
|             i['image_id'] = instance.get('image_id', None)
 | |
|             i['instance_state'] = {
 | |
|                 'code': instance.get('state', 0),
 | |
|                 'name': instance.get('state_description', 'pending')
 | |
|             }
 | |
|             i['public_dns_name'] = network_model.get_public_ip_for_instance(
 | |
|                                                         i['instance_id'])
 | |
|             i['private_dns_name'] = instance.get('private_dns_name', None)
 | |
|             if not i['public_dns_name']:
 | |
|                 i['public_dns_name'] = i['private_dns_name']
 | |
|             i['dns_name'] = instance.get('dns_name', None)
 | |
|             i['key_name'] = instance.get('key_name', None)
 | |
|             if context.user.is_admin():
 | |
|                 i['key_name'] = '%s (%s, %s)' % (i['key_name'],
 | |
|                     instance.get('project_id', None),
 | |
|                     instance.get('node_name', ''))
 | |
|             i['product_codes_set'] = self._convert_to_set(
 | |
|                 instance.get('product_codes', None), 'product_code')
 | |
|             i['instance_type'] = instance.get('instance_type', None)
 | |
|             i['launch_time'] = instance.get('launch_time', None)
 | |
|             i['ami_launch_index'] = instance.get('ami_launch_index',
 | |
|                                                  None)
 | |
|             if not reservations.has_key(res_id):
 | |
|                 r = {}
 | |
|                 r['reservation_id'] = res_id
 | |
|                 r['owner_id'] = instance.get('project_id', None)
 | |
|                 r['group_set'] = self._convert_to_set(
 | |
|                     instance.get('groups', None), 'group_id')
 | |
|                 r['instances_set'] = []
 | |
|                 reservations[res_id] = r
 | |
|             reservations[res_id]['instances_set'].append(i)
 | |
| 
 | |
|         return list(reservations.values())
 | |
| 
 | |
|     @rbac.allow('all')
 | |
|     def describe_addresses(self, context, **kwargs):
 | |
|         return self.format_addresses(context)
 | |
| 
 | |
|     def format_addresses(self, context):
 | |
|         addresses = []
 | |
|         for address in network_model.ElasticIp.all():
 | |
|             # TODO(vish): implement a by_project iterator for addresses
 | |
|             if (context.user.is_admin() or
 | |
|                 address['project_id'] == context.project.id):
 | |
|                 address_rv = {
 | |
|                     'public_ip': address['address'],
 | |
|                     'instance_id': address.get('instance_id', 'free')
 | |
|                 }
 | |
|                 if context.user.is_admin():
 | |
|                     address_rv['instance_id'] = "%s (%s, %s)" % (
 | |
|                         address['instance_id'],
 | |
|                         address['user_id'],
 | |
|                         address['project_id'],
 | |
|                     )
 | |
|             addresses.append(address_rv)
 | |
|         return {'addressesSet': addresses}
 | |
| 
 | |
|     @rbac.allow('netadmin')
 | |
|     @defer.inlineCallbacks
 | |
|     def allocate_address(self, context, **kwargs):
 | |
|         network_topic = yield self._get_network_topic(context)
 | |
|         public_ip = yield rpc.call(network_topic,
 | |
|                          {"method": "allocate_elastic_ip",
 | |
|                           "args": {"user_id": context.user.id,
 | |
|                                    "project_id": context.project.id}})
 | |
|         defer.returnValue({'addressSet': [{'publicIp': public_ip}]})
 | |
| 
 | |
|     @rbac.allow('netadmin')
 | |
|     @defer.inlineCallbacks
 | |
|     def release_address(self, context, public_ip, **kwargs):
 | |
|         # NOTE(vish): Should we make sure this works?
 | |
|         network_topic = yield self._get_network_topic(context)
 | |
|         rpc.cast(network_topic,
 | |
|                          {"method": "deallocate_elastic_ip",
 | |
|                           "args": {"elastic_ip": public_ip}})
 | |
|         defer.returnValue({'releaseResponse': ["Address released."]})
 | |
| 
 | |
|     @rbac.allow('netadmin')
 | |
|     @defer.inlineCallbacks
 | |
|     def associate_address(self, context, instance_id, public_ip, **kwargs):
 | |
|         instance = self._get_instance(context, instance_id)
 | |
|         address = self._get_address(context, public_ip)
 | |
|         network_topic = yield self._get_network_topic(context)
 | |
|         rpc.cast(network_topic,
 | |
|                          {"method": "associate_elastic_ip",
 | |
|                           "args": {"elastic_ip": address['address'],
 | |
|                                    "fixed_ip": instance['private_dns_name'],
 | |
|                                    "instance_id": instance['instance_id']}})
 | |
|         defer.returnValue({'associateResponse': ["Address associated."]})
 | |
| 
 | |
|     @rbac.allow('netadmin')
 | |
|     @defer.inlineCallbacks
 | |
|     def disassociate_address(self, context, public_ip, **kwargs):
 | |
|         address = self._get_address(context, public_ip)
 | |
|         network_topic = yield self._get_network_topic(context)
 | |
|         rpc.cast(network_topic,
 | |
|                          {"method": "disassociate_elastic_ip",
 | |
|                           "args": {"elastic_ip": address['address']}})
 | |
|         defer.returnValue({'disassociateResponse': ["Address disassociated."]})
 | |
| 
 | |
|     @defer.inlineCallbacks
 | |
|     def _get_network_topic(self, context):
 | |
|         """Retrieves the network host for a project"""
 | |
|         host = network_service.get_host_for_project(context.project.id)
 | |
|         if not host:
 | |
|             host = yield rpc.call(FLAGS.network_topic,
 | |
|                                     {"method": "set_network_host",
 | |
|                                      "args": {"user_id": context.user.id,
 | |
|                                               "project_id": context.project.id}})
 | |
|         defer.returnValue('%s.%s' %(FLAGS.network_topic, host))
 | |
| 
 | |
|     @rbac.allow('projectmanager', 'sysadmin')
 | |
|     @defer.inlineCallbacks
 | |
|     def run_instances(self, context, **kwargs):
 | |
|         # make sure user can access the image
 | |
|         # vpn image is private so it doesn't show up on lists
 | |
|         if kwargs['image_id'] != FLAGS.vpn_image_id:
 | |
|             image = self._get_image(context, kwargs['image_id'])
 | |
| 
 | |
|         # FIXME(ja): if image is cloudpipe, this breaks
 | |
| 
 | |
|         # get defaults from imagestore
 | |
|         image_id = image['imageId']
 | |
|         kernel_id = image.get('kernelId', FLAGS.default_kernel)
 | |
|         ramdisk_id = image.get('ramdiskId', FLAGS.default_ramdisk)
 | |
| 
 | |
|         # API parameters overrides of defaults
 | |
|         kernel_id = kwargs.get('kernel_id', kernel_id)
 | |
|         ramdisk_id = kwargs.get('ramdisk_id', ramdisk_id)
 | |
| 
 | |
|         # make sure we have access to kernel and ramdisk
 | |
|         self._get_image(context, kernel_id)
 | |
|         self._get_image(context, ramdisk_id)
 | |
| 
 | |
|         logging.debug("Going to run instances...")
 | |
|         reservation_id = utils.generate_uid('r')
 | |
|         launch_time = time.strftime('%Y-%m-%dT%H:%M:%SZ', time.gmtime())
 | |
|         key_data = None
 | |
|         if kwargs.has_key('key_name'):
 | |
|             key_pair = context.user.get_key_pair(kwargs['key_name'])
 | |
|             if not key_pair:
 | |
|                 raise exception.ApiError('Key Pair %s not found' %
 | |
|                                          kwargs['key_name'])
 | |
|             key_data = key_pair.public_key
 | |
|         network_topic = yield self._get_network_topic(context)
 | |
|         # TODO: Get the real security group of launch in here
 | |
|         security_group = "default"
 | |
|         for num in range(int(kwargs['max_count'])):
 | |
|             is_vpn = False
 | |
|             if image_id  == FLAGS.vpn_image_id:
 | |
|                 is_vpn = True
 | |
|             inst = self.instdir.new()
 | |
|             allocate_data = yield rpc.call(network_topic,
 | |
|                      {"method": "allocate_fixed_ip",
 | |
|                       "args": {"user_id": context.user.id,
 | |
|                                "project_id": context.project.id,
 | |
|                                "security_group": security_group,
 | |
|                                "is_vpn": is_vpn,
 | |
|                                "hostname": inst.instance_id}})
 | |
|             inst['image_id'] = image_id
 | |
|             inst['kernel_id'] = kernel_id
 | |
|             inst['ramdisk_id'] = ramdisk_id
 | |
|             inst['user_data'] = kwargs.get('user_data', '')
 | |
|             inst['instance_type'] = kwargs.get('instance_type', 'm1.small')
 | |
|             inst['reservation_id'] = reservation_id
 | |
|             inst['launch_time'] = launch_time
 | |
|             inst['key_data'] = key_data or ''
 | |
|             inst['key_name'] = kwargs.get('key_name', '')
 | |
|             inst['user_id'] = context.user.id
 | |
|             inst['project_id'] = context.project.id
 | |
|             inst['ami_launch_index'] = num
 | |
|             inst['security_group'] = security_group
 | |
|             inst['hostname'] = inst.instance_id
 | |
|             for (key, value) in allocate_data.iteritems():
 | |
|                 inst[key] = value
 | |
| 
 | |
|             inst.save()
 | |
|             rpc.cast(FLAGS.compute_topic,
 | |
|                  {"method": "run_instance",
 | |
|                   "args": {"instance_id": inst.instance_id}})
 | |
|             logging.debug("Casting to node for %s's instance with IP of %s" %
 | |
|                       (context.user.name, inst['private_dns_name']))
 | |
|         # TODO: Make Network figure out the network name from ip.
 | |
|         defer.returnValue(self._format_run_instances(context, reservation_id))
 | |
| 
 | |
|     @rbac.allow('projectmanager', 'sysadmin')
 | |
|     @defer.inlineCallbacks
 | |
|     def terminate_instances(self, context, instance_id, **kwargs):
 | |
|         logging.debug("Going to start terminating instances")
 | |
|         network_topic = yield self._get_network_topic(context)
 | |
|         for i in instance_id:
 | |
|             logging.debug("Going to try and terminate %s" % i)
 | |
|             try:
 | |
|                 instance = self._get_instance(context, i)
 | |
|             except exception.NotFound:
 | |
|                 logging.warning("Instance %s was not found during terminate"
 | |
|                                 % i)
 | |
|                 continue
 | |
|             elastic_ip = network_model.get_public_ip_for_instance(i)
 | |
|             if elastic_ip:
 | |
|                 logging.debug("Disassociating address %s" % elastic_ip)
 | |
|                 # NOTE(vish): Right now we don't really care if the ip is
 | |
|                 #             disassociated.  We may need to worry about
 | |
|                 #             checking this later.  Perhaps in the scheduler?
 | |
|                 rpc.cast(network_topic,
 | |
|                          {"method": "disassociate_elastic_ip",
 | |
|                           "args": {"elastic_ip": elastic_ip}})
 | |
| 
 | |
|             fixed_ip = instance.get('private_dns_name', None)
 | |
|             if fixed_ip:
 | |
|                 logging.debug("Deallocating address %s" % fixed_ip)
 | |
|                 # NOTE(vish): Right now we don't really care if the ip is
 | |
|                 #             actually removed.  We may need to worry about
 | |
|                 #             checking this later.  Perhaps in the scheduler?
 | |
|                 rpc.cast(network_topic,
 | |
|                          {"method": "deallocate_fixed_ip",
 | |
|                           "args": {"fixed_ip": fixed_ip}})
 | |
| 
 | |
|             if instance.get('node_name', 'unassigned') != 'unassigned':
 | |
|                 # NOTE(joshua?): It's also internal default
 | |
|                 rpc.cast('%s.%s' % (FLAGS.compute_topic, instance['node_name']),
 | |
|                          {"method": "terminate_instance",
 | |
|                           "args": {"instance_id": i}})
 | |
|             else:
 | |
|                 instance.destroy()
 | |
|         defer.returnValue(True)
 | |
| 
 | |
|     @rbac.allow('projectmanager', 'sysadmin')
 | |
|     def reboot_instances(self, context, instance_id, **kwargs):
 | |
|         """instance_id is a list of instance ids"""
 | |
|         for i in instance_id:
 | |
|             instance = self._get_instance(context, i)
 | |
|             rpc.cast('%s.%s' % (FLAGS.compute_topic, instance['node_name']),
 | |
|                              {"method": "reboot_instance",
 | |
|                               "args": {"instance_id": i}})
 | |
|         return defer.succeed(True)
 | |
| 
 | |
|     @rbac.allow('projectmanager', 'sysadmin')
 | |
|     def delete_volume(self, context, volume_id, **kwargs):
 | |
|         # TODO: return error if not authorized
 | |
|         volume = self._get_volume(context, volume_id)
 | |
|         volume_node = volume['node_name']
 | |
|         rpc.cast('%s.%s' % (FLAGS.volume_topic, volume_node),
 | |
|                             {"method": "delete_volume",
 | |
|                              "args": {"volume_id": volume_id}})
 | |
|         return defer.succeed(True)
 | |
| 
 | |
|     @rbac.allow('all')
 | |
|     def describe_images(self, context, image_id=None, **kwargs):
 | |
|         # The objectstore does its own authorization for describe
 | |
|         imageSet = images.list(context, image_id)
 | |
|         return defer.succeed({'imagesSet': imageSet})
 | |
| 
 | |
|     @rbac.allow('projectmanager', 'sysadmin')
 | |
|     def deregister_image(self, context, image_id, **kwargs):
 | |
|         # FIXME: should the objectstore be doing these authorization checks?
 | |
|         images.deregister(context, image_id)
 | |
|         return defer.succeed({'imageId': image_id})
 | |
| 
 | |
|     @rbac.allow('projectmanager', 'sysadmin')
 | |
|     def register_image(self, context, image_location=None, **kwargs):
 | |
|         # FIXME: should the objectstore be doing these authorization checks?
 | |
|         if image_location is None and kwargs.has_key('name'):
 | |
|             image_location = kwargs['name']
 | |
|         image_id = images.register(context, image_location)
 | |
|         logging.debug("Registered %s as %s" % (image_location, image_id))
 | |
| 
 | |
|         return defer.succeed({'imageId': image_id})
 | |
| 
 | |
|     @rbac.allow('all')
 | |
|     def describe_image_attribute(self, context, image_id, attribute, **kwargs):
 | |
|         if attribute != 'launchPermission':
 | |
|             raise exception.ApiError('attribute not supported: %s' % attribute)
 | |
|         try:
 | |
|             image = images.list(context, image_id)[0]
 | |
|         except IndexError:
 | |
|             raise exception.ApiError('invalid id: %s' % image_id)
 | |
|         result = {'image_id': image_id, 'launchPermission': []}
 | |
|         if image['isPublic']:
 | |
|             result['launchPermission'].append({'group': 'all'})
 | |
|         return defer.succeed(result)
 | |
| 
 | |
|     @rbac.allow('projectmanager', 'sysadmin')
 | |
|     def modify_image_attribute(self, context, image_id, attribute, operation_type, **kwargs):
 | |
|         # TODO(devcamcar): Support users and groups other than 'all'.
 | |
|         if attribute != 'launchPermission':
 | |
|             raise exception.ApiError('attribute not supported: %s' % attribute)
 | |
|         if not 'user_group' in kwargs:
 | |
|             raise exception.ApiError('user or group not specified')
 | |
|         if len(kwargs['user_group']) != 1 and kwargs['user_group'][0] != 'all':
 | |
|             raise exception.ApiError('only group "all" is supported')
 | |
|         if not operation_type in ['add', 'remove']:
 | |
|             raise exception.ApiError('operation_type must be add or remove')
 | |
|         result = images.modify(context, image_id, operation_type)
 | |
|         return defer.succeed(result)
 | |
| 
 | |
|     def update_state(self, topic, value):
 | |
|         """ accepts status reports from the queue and consolidates them """
 | |
|         # TODO(jmc): if an instance has disappeared from
 | |
|         # the node, call instance_death
 | |
|         if topic == "instances":
 | |
|             return defer.succeed(True)
 | |
|         aggregate_state = getattr(self, topic)
 | |
|         node_name = value.keys()[0]
 | |
|         items = value[node_name]
 | |
| 
 | |
|         logging.debug("Updating %s state for %s" % (topic, node_name))
 | |
| 
 | |
|         for item_id in items.keys():
 | |
|             if (aggregate_state.has_key('pending') and
 | |
|                 aggregate_state['pending'].has_key(item_id)):
 | |
|                 del aggregate_state['pending'][item_id]
 | |
|         aggregate_state[node_name] = items
 | |
| 
 | |
|         return defer.succeed(True)
 | 
