73 lines
2.4 KiB
Python
73 lines
2.4 KiB
Python
# 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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from nova.api.openstack import extensions
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from nova import compute
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from nova import context as nova_context
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from nova.objects import base as obj_base
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XMLNS = "http://docs.openstack.org/compute/ext/migrations/api/v2.0"
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ALIAS = "os-migrations"
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def authorize(context, action_name):
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action = 'migrations:%s' % action_name
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extensions.extension_authorizer('compute', action)(context)
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def output(migrations_obj):
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"""Returns the desired output of the API from an object.
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From a MigrationsList's object this method returns a list of
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primitive objects with the only necessary fields.
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"""
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objects = obj_base.obj_to_primitive(migrations_obj)
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objects = [x for x in objects if not x['hidden']]
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for obj in objects:
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del obj['deleted']
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del obj['deleted_at']
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del obj['migration_type']
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del obj['hidden']
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return objects
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class MigrationsController(object):
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"""Controller for accessing migrations in OpenStack API."""
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def __init__(self):
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self.compute_api = compute.API()
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def index(self, req):
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"""Return all migrations in progress."""
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context = req.environ['nova.context']
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authorize(context, "index")
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# NOTE(alex_xu): back-compatible with db layer hard-code admin
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# permission checks.
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nova_context.require_admin_context(context)
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migrations = self.compute_api.get_migrations(context, req.GET)
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return {'migrations': output(migrations)}
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class Migrations(extensions.ExtensionDescriptor):
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"""Provide data on migrations."""
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name = "Migrations"
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alias = ALIAS
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namespace = XMLNS
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updated = "2013-05-30T00:00:00Z"
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def get_resources(self):
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resources = []
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resource = extensions.ResourceExtension('os-migrations',
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MigrationsController())
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resources.append(resource)
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return resources
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