244 lines
9.7 KiB
Python
244 lines
9.7 KiB
Python
# Copyright (c) 2012 Citrix Systems, Inc.
|
|
# 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.
|
|
|
|
"""The Aggregate admin API extension."""
|
|
|
|
import datetime
|
|
import functools
|
|
|
|
import six
|
|
from webob import exc
|
|
|
|
from nova.api.openstack import extensions
|
|
from nova.api.openstack import wsgi
|
|
from nova.compute import api as compute_api
|
|
from nova import exception
|
|
from nova.openstack.common.gettextutils import _
|
|
from nova.openstack.common import log as logging
|
|
from nova import utils
|
|
|
|
ALIAS = "os-aggregates"
|
|
LOG = logging.getLogger(__name__)
|
|
authorize = extensions.extension_authorizer('compute', "v3:" + ALIAS)
|
|
|
|
|
|
def _get_context(req):
|
|
return req.environ['nova.context']
|
|
|
|
|
|
def get_host_from_body(fn):
|
|
"""Makes sure that the host exists."""
|
|
@functools.wraps(fn)
|
|
def wrapped(self, req, id, body, *args, **kwargs):
|
|
if not self.is_valid_body(body, fn.wsgi_action):
|
|
raise exc.HTTPBadRequest(explanation=_("Invalid request body"))
|
|
host = body[fn.wsgi_action].get('host')
|
|
if host is None:
|
|
raise exc.HTTPBadRequest(
|
|
explanation=_("Could not find host to be set in "
|
|
"request body"))
|
|
if not isinstance(host, six.string_types):
|
|
raise exc.HTTPBadRequest(
|
|
explanation=_("The value of host must be a string"))
|
|
return fn(self, req, id, host, *args, **kwargs)
|
|
return wrapped
|
|
|
|
|
|
class AggregateController(wsgi.Controller):
|
|
"""The Host Aggregates API controller for the OpenStack API."""
|
|
def __init__(self):
|
|
self.api = compute_api.AggregateAPI()
|
|
|
|
@extensions.expected_errors(())
|
|
def index(self, req):
|
|
"""Returns a list a host aggregate's id, name, availability_zone."""
|
|
context = _get_context(req)
|
|
authorize(context, action='index')
|
|
aggregates = self.api.get_aggregate_list(context)
|
|
return {'aggregates': [self._marshall_aggregate(a)['aggregate']
|
|
for a in aggregates]}
|
|
|
|
@extensions.expected_errors((400, 409))
|
|
@wsgi.response(201)
|
|
def create(self, req, body):
|
|
"""Creates an aggregate, given its name and
|
|
optional availability zone.
|
|
"""
|
|
context = _get_context(req)
|
|
authorize(context, action='create')
|
|
if not self.is_valid_body(body, 'aggregate'):
|
|
raise exc.HTTPBadRequest(explanation=_("Invalid request body"))
|
|
try:
|
|
host_aggregate = body["aggregate"]
|
|
name = host_aggregate["name"]
|
|
except KeyError as e:
|
|
msg = _("Could not find %s parameter in the request") % e.args[0]
|
|
raise exc.HTTPBadRequest(explanation=msg)
|
|
avail_zone = host_aggregate.get("availability_zone")
|
|
try:
|
|
utils.check_string_length(name, "Aggregate name", 1, 255)
|
|
except exception.InvalidInput as e:
|
|
raise exc.HTTPBadRequest(explanation=e.format_message())
|
|
|
|
try:
|
|
aggregate = self.api.create_aggregate(context, name, avail_zone)
|
|
except exception.AggregateNameExists as e:
|
|
raise exc.HTTPConflict(explanation=e.format_message())
|
|
except exception.InvalidAggregateAction as e:
|
|
raise exc.HTTPBadRequest(explanation=e.format_message())
|
|
return self._marshall_aggregate(aggregate)
|
|
|
|
@extensions.expected_errors(404)
|
|
def show(self, req, id):
|
|
"""Shows the details of an aggregate, hosts and metadata included."""
|
|
context = _get_context(req)
|
|
authorize(context, action='show')
|
|
try:
|
|
aggregate = self.api.get_aggregate(context, id)
|
|
except exception.AggregateNotFound as e:
|
|
raise exc.HTTPNotFound(explanation=e.format_message())
|
|
return self._marshall_aggregate(aggregate)
|
|
|
|
@extensions.expected_errors((400, 404))
|
|
def update(self, req, id, body):
|
|
"""Updates the name and/or availability_zone of given aggregate."""
|
|
context = _get_context(req)
|
|
authorize(context, action='update')
|
|
if not self.is_valid_body(body, 'aggregate'):
|
|
raise exc.HTTPBadRequest(explanation=_("Invalid request body"))
|
|
updates = body["aggregate"]
|
|
if len(updates) < 1:
|
|
raise exc.HTTPBadRequest(
|
|
explanation=_("Request body is empty"))
|
|
for key in updates.keys():
|
|
if key not in ["name", "availability_zone"]:
|
|
msg = _("Invalid key %s in request body.") % key
|
|
raise exc.HTTPBadRequest(explanation=msg)
|
|
|
|
if 'name' in updates:
|
|
try:
|
|
utils.check_string_length(updates['name'], "Aggregate name", 1,
|
|
255)
|
|
except exception.InvalidInput as e:
|
|
raise exc.HTTPBadRequest(explanation=e.format_message())
|
|
|
|
try:
|
|
aggregate = self.api.update_aggregate(context, id, updates)
|
|
except exception.AggregateNotFound as e:
|
|
raise exc.HTTPNotFound(explanation=e.format_message())
|
|
except exception.InvalidAggregateAction as e:
|
|
raise exc.HTTPBadRequest(explanation=e.format_message())
|
|
|
|
return self._marshall_aggregate(aggregate)
|
|
|
|
@extensions.expected_errors(404)
|
|
@wsgi.response(204)
|
|
def delete(self, req, id):
|
|
"""Removes an aggregate by id."""
|
|
context = _get_context(req)
|
|
authorize(context, action='delete')
|
|
try:
|
|
self.api.delete_aggregate(context, id)
|
|
except exception.AggregateNotFound as e:
|
|
raise exc.HTTPNotFound(explanation=e.format_message())
|
|
|
|
@extensions.expected_errors((400, 404, 409))
|
|
@get_host_from_body
|
|
@wsgi.action('add_host')
|
|
@wsgi.response(202)
|
|
def _add_host(self, req, id, host):
|
|
"""Adds a host to the specified aggregate."""
|
|
context = _get_context(req)
|
|
authorize(context, action='add_host')
|
|
try:
|
|
aggregate = self.api.add_host_to_aggregate(context, id, host)
|
|
except (exception.AggregateNotFound,
|
|
exception.ComputeHostNotFound) as e:
|
|
raise exc.HTTPNotFound(explanation=e.format_message())
|
|
except (exception.AggregateHostExists,
|
|
exception.InvalidAggregateAction) as e:
|
|
raise exc.HTTPConflict(explanation=e.format_message())
|
|
return self._marshall_aggregate(aggregate)
|
|
|
|
@extensions.expected_errors((400, 404, 409))
|
|
@get_host_from_body
|
|
@wsgi.action('remove_host')
|
|
@wsgi.response(202)
|
|
def _remove_host(self, req, id, host):
|
|
"""Removes a host from the specified aggregate."""
|
|
context = _get_context(req)
|
|
authorize(context, action='remove_host')
|
|
try:
|
|
aggregate = self.api.remove_host_from_aggregate(context, id, host)
|
|
except (exception.AggregateNotFound, exception.AggregateHostNotFound,
|
|
exception.ComputeHostNotFound):
|
|
msg = _('Cannot remove host %(host)s in aggregate %(id)s') % {
|
|
'host': host, 'id': id}
|
|
raise exc.HTTPNotFound(explanation=msg)
|
|
except exception.InvalidAggregateAction:
|
|
msg = _('Cannot remove host %(host)s in aggregate %(id)s') % {
|
|
'host': host, 'id': id}
|
|
raise exc.HTTPConflict(explanation=msg)
|
|
return self._marshall_aggregate(aggregate)
|
|
|
|
@extensions.expected_errors((400, 404))
|
|
@wsgi.action('set_metadata')
|
|
def _set_metadata(self, req, id, body):
|
|
"""Replaces the aggregate's existing metadata with new metadata."""
|
|
context = _get_context(req)
|
|
authorize(context, action='set_metadata')
|
|
if not self.is_valid_body(body, 'set_metadata'):
|
|
raise exc.HTTPBadRequest(explanation=_("Invalid request body"))
|
|
if not self.is_valid_body(body["set_metadata"], "metadata"):
|
|
raise exc.HTTPBadRequest(
|
|
explanation=_("Invalid request format for metadata"))
|
|
metadata = body["set_metadata"]["metadata"]
|
|
try:
|
|
aggregate = self.api.update_aggregate_metadata(context,
|
|
id, metadata)
|
|
except exception.AggregateNotFound as e:
|
|
raise exc.HTTPNotFound(explanation=e.format_message())
|
|
except exception.InvalidAggregateAction as e:
|
|
raise exc.HTTPBadRequest(explanation=e.format_message())
|
|
|
|
return self._marshall_aggregate(aggregate)
|
|
|
|
def _marshall_aggregate(self, aggregate):
|
|
_aggregate = {}
|
|
for key, value in aggregate.items():
|
|
# NOTE(danms): The original API specified non-TZ-aware timestamps
|
|
if isinstance(value, datetime.datetime):
|
|
value = value.replace(tzinfo=None)
|
|
_aggregate[key] = value
|
|
return {"aggregate": _aggregate}
|
|
|
|
|
|
class Aggregates(extensions.V3APIExtensionBase):
|
|
"""Admin-only aggregate administration."""
|
|
|
|
name = "Aggregates"
|
|
alias = ALIAS
|
|
version = 1
|
|
|
|
def get_resources(self):
|
|
resources = [extensions.ResourceExtension(
|
|
self.alias,
|
|
AggregateController(),
|
|
member_actions={'action': 'POST'})]
|
|
return resources
|
|
|
|
def get_controller_extensions(self):
|
|
return []
|