deb-manila/manila/api/v1/shares.py
zhongjun c96df66823 Add like filter
Add like filter support in ``shares``, ``snapshots``,
``share-networks``, ``share-groups`` list APIs.

APIImpact

Implements BP like-filter
Change-Id: I5fdf6d89d0b6c7fa182ddfaac60979bc6c0fc2a5
2017-07-10 14:55:41 +08:00

526 lines
20 KiB
Python

# Copyright 2013 NetApp
# 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 shares api."""
import ast
from oslo_log import log
from oslo_utils import strutils
from oslo_utils import uuidutils
import six
import webob
from webob import exc
from manila.api import common
from manila.api.openstack import wsgi
from manila.api.views import share_accesses as share_access_views
from manila.api.views import shares as share_views
from manila.common import constants
from manila import db
from manila import exception
from manila.i18n import _
from manila import share
from manila.share import share_types
LOG = log.getLogger(__name__)
class ShareMixin(object):
"""Mixin class for Share API Controllers."""
def _update(self, *args, **kwargs):
db.share_update(*args, **kwargs)
def _get(self, *args, **kwargs):
return self.share_api.get(*args, **kwargs)
def _delete(self, *args, **kwargs):
return self.share_api.delete(*args, **kwargs)
def _migrate(self, *args, **kwargs):
return self.share_api.migrate_share(*args, **kwargs)
def show(self, req, id):
"""Return data about the given share."""
context = req.environ['manila.context']
try:
share = self.share_api.get(context, id)
except exception.NotFound:
raise exc.HTTPNotFound()
return self._view_builder.detail(req, share)
def delete(self, req, id):
"""Delete a share."""
context = req.environ['manila.context']
LOG.info("Delete share with id: %s", id, context=context)
try:
share = self.share_api.get(context, id)
# NOTE(ameade): If the share is in a share group, we require its
# id be specified as a param.
sg_id_key = 'share_group_id'
if share.get(sg_id_key):
share_group_id = req.params.get(sg_id_key)
if not share_group_id:
msg = _("Must provide '%s' as a request "
"parameter when deleting a share in a share "
"group.") % sg_id_key
raise exc.HTTPBadRequest(explanation=msg)
elif share_group_id != share.get(sg_id_key):
msg = _("The specified '%s' does not match "
"the share group id of the share.") % sg_id_key
raise exc.HTTPBadRequest(explanation=msg)
self.share_api.delete(context, share)
except exception.NotFound:
raise exc.HTTPNotFound()
except exception.InvalidShare as e:
raise exc.HTTPForbidden(explanation=six.text_type(e))
except exception.Conflict as e:
raise exc.HTTPConflict(explanation=six.text_type(e))
return webob.Response(status_int=202)
def index(self, req):
"""Returns a summary list of shares."""
req.GET.pop('export_location_id', None)
req.GET.pop('export_location_path', None)
req.GET.pop('name~', None)
req.GET.pop('description~', None)
return self._get_shares(req, is_detail=False)
def detail(self, req):
"""Returns a detailed list of shares."""
req.GET.pop('export_location_id', None)
req.GET.pop('export_location_path', None)
req.GET.pop('name~', None)
req.GET.pop('description~', None)
return self._get_shares(req, is_detail=True)
def _get_shares(self, req, is_detail):
"""Returns a list of shares, transformed through view builder."""
context = req.environ['manila.context']
search_opts = {}
search_opts.update(req.GET)
# Remove keys that are not related to share attrs
search_opts.pop('limit', None)
search_opts.pop('offset', None)
sort_key = search_opts.pop('sort_key', 'created_at')
sort_dir = search_opts.pop('sort_dir', 'desc')
# Deserialize dicts
if 'metadata' in search_opts:
search_opts['metadata'] = ast.literal_eval(search_opts['metadata'])
if 'extra_specs' in search_opts:
search_opts['extra_specs'] = ast.literal_eval(
search_opts['extra_specs'])
# NOTE(vponomaryov): Manila stores in DB key 'display_name', but
# allows to use both keys 'name' and 'display_name'. It is leftover
# from Cinder v1 and v2 APIs.
if 'name' in search_opts:
search_opts['display_name'] = search_opts.pop('name')
# like filter
for key, db_key in (('name~', 'display_name~'),
('description~', 'display_description~')):
if key in search_opts:
search_opts[db_key] = search_opts.pop(key)
if sort_key == 'name':
sort_key = 'display_name'
common.remove_invalid_options(
context, search_opts, self._get_share_search_options())
shares = self.share_api.get_all(
context, search_opts=search_opts, sort_key=sort_key,
sort_dir=sort_dir)
limited_list = common.limited(shares, req)
if is_detail:
shares = self._view_builder.detail_list(req, limited_list)
else:
shares = self._view_builder.summary_list(req, limited_list)
return shares
def _get_share_search_options(self):
"""Return share search options allowed by non-admin."""
# NOTE(vponomaryov): share_server_id depends on policy, allow search
# by it for non-admins in case policy changed.
# Also allow search by extra_specs in case policy
# for it allows non-admin access.
return (
'display_name', 'status', 'share_server_id', 'volume_type_id',
'share_type_id', 'snapshot_id', 'host', 'share_network_id',
'is_public', 'metadata', 'extra_specs', 'sort_key', 'sort_dir',
'share_group_id', 'share_group_snapshot_id',
'export_location_id', 'export_location_path', 'display_name~',
'display_description~'
)
def update(self, req, id, body):
"""Update a share."""
context = req.environ['manila.context']
if not body or 'share' not in body:
raise exc.HTTPUnprocessableEntity()
share_data = body['share']
valid_update_keys = (
'display_name',
'display_description',
'is_public',
)
update_dict = {key: share_data[key]
for key in valid_update_keys
if key in share_data}
try:
share = self.share_api.get(context, id)
except exception.NotFound:
raise exc.HTTPNotFound()
share = self.share_api.update(context, share, update_dict)
share.update(update_dict)
return self._view_builder.detail(req, share)
def create(self, req, body):
# Remove share group attributes
body.get('share', {}).pop('share_group_id', None)
share = self._create(req, body)
return share
def _create(self, req, body,
check_create_share_from_snapshot_support=False):
"""Creates a new share."""
context = req.environ['manila.context']
if not self.is_valid_body(body, 'share'):
raise exc.HTTPUnprocessableEntity()
share = body['share']
availability_zone_id = None
# NOTE(rushiagr): Manila API allows 'name' instead of 'display_name'.
if share.get('name'):
share['display_name'] = share.get('name')
del share['name']
# NOTE(rushiagr): Manila API allows 'description' instead of
# 'display_description'.
if share.get('description'):
share['display_description'] = share.get('description')
del share['description']
size = share['size']
share_proto = share['share_proto'].upper()
msg = ("Create %(share_proto)s share of %(size)s GB" %
{'share_proto': share_proto, 'size': size})
LOG.info(msg, context=context)
availability_zone = share.get('availability_zone')
if availability_zone:
try:
availability_zone_id = db.availability_zone_get(
context, availability_zone).id
except exception.AvailabilityZoneNotFound as e:
raise exc.HTTPNotFound(explanation=six.text_type(e))
share_group_id = share.get('share_group_id')
if share_group_id:
try:
share_group = db.share_group_get(context, share_group_id)
except exception.ShareGroupNotFound as e:
raise exc.HTTPNotFound(explanation=six.text_type(e))
sg_az_id = share_group['availability_zone_id']
if availability_zone and availability_zone_id != sg_az_id:
msg = _("Share cannot have AZ ('%(s_az)s') different than "
"share group's one (%(sg_az)s).") % {
's_az': availability_zone_id, 'sg_az': sg_az_id}
raise exception.InvalidInput(msg)
availability_zone_id = sg_az_id
kwargs = {
'availability_zone': availability_zone_id,
'metadata': share.get('metadata'),
'is_public': share.get('is_public', False),
'share_group_id': share_group_id,
}
snapshot_id = share.get('snapshot_id')
if snapshot_id:
snapshot = self.share_api.get_snapshot(context, snapshot_id)
else:
snapshot = None
kwargs['snapshot_id'] = snapshot_id
share_network_id = share.get('share_network_id')
if snapshot:
# Need to check that share_network_id from snapshot's
# parents share equals to share_network_id from args.
# If share_network_id is empty then update it with
# share_network_id of parent share.
parent_share = self.share_api.get(context, snapshot['share_id'])
parent_share_net_id = parent_share.instance['share_network_id']
if share_network_id:
if share_network_id != parent_share_net_id:
msg = ("Share network ID should be the same as snapshot's"
" parent share's or empty")
raise exc.HTTPBadRequest(explanation=msg)
elif parent_share_net_id:
share_network_id = parent_share_net_id
# Verify that share can be created from a snapshot
if (check_create_share_from_snapshot_support and
not parent_share['create_share_from_snapshot_support']):
msg = (_("A new share may not be created from snapshot '%s', "
"because the snapshot's parent share does not have "
"that capability.")
% snapshot_id)
LOG.error(msg)
raise exc.HTTPBadRequest(explanation=msg)
if share_network_id:
try:
self.share_api.get_share_network(
context,
share_network_id)
except exception.ShareNetworkNotFound as e:
raise exc.HTTPNotFound(explanation=six.text_type(e))
kwargs['share_network_id'] = share_network_id
display_name = share.get('display_name')
display_description = share.get('display_description')
if 'share_type' in share and 'volume_type' in share:
msg = 'Cannot specify both share_type and volume_type'
raise exc.HTTPBadRequest(explanation=msg)
req_share_type = share.get('share_type', share.get('volume_type'))
share_type = None
if req_share_type:
try:
if not uuidutils.is_uuid_like(req_share_type):
share_type = share_types.get_share_type_by_name(
context, req_share_type)
else:
share_type = share_types.get_share_type(
context, req_share_type)
except exception.ShareTypeNotFound:
msg = _("Share type not found.")
raise exc.HTTPNotFound(explanation=msg)
elif not snapshot:
def_share_type = share_types.get_default_share_type()
if def_share_type:
share_type = def_share_type
# Only use in create share feature. Create share from snapshot
# and create share with share group features not
# need this check.
if (not share_network_id and not snapshot
and not share_group_id
and share_type and share_type.get('extra_specs')
and (strutils.bool_from_string(share_type.get('extra_specs').
get('driver_handles_share_servers')))):
msg = _('Share network must be set when the '
'driver_handles_share_servers is true.')
raise exc.HTTPBadRequest(explanation=msg)
if share_type:
kwargs['share_type'] = share_type
new_share = self.share_api.create(context,
share_proto,
size,
display_name,
display_description,
**kwargs)
return self._view_builder.detail(req, new_share)
@staticmethod
def _any_instance_has_errored_rules(share):
for instance in share['instances']:
access_rules_status = instance['access_rules_status']
if access_rules_status == constants.SHARE_INSTANCE_RULES_ERROR:
return True
return False
@wsgi.Controller.authorize('allow_access')
def _allow_access(self, req, id, body, enable_ceph=False,
allow_on_error_status=False):
"""Add share access rule."""
context = req.environ['manila.context']
access_data = body.get('allow_access', body.get('os-allow_access'))
share = self.share_api.get(context, id)
if (not allow_on_error_status and
self._any_instance_has_errored_rules(share)):
msg = _("Access rules cannot be added while the share or any of "
"its replicas or migration copies has its "
"access_rules_status set to %(instance_rules_status)s. "
"Deny any rules in %(rule_state)s state and try "
"again.") % {
'instance_rules_status': constants.SHARE_INSTANCE_RULES_ERROR,
'rule_state': constants.ACCESS_STATE_ERROR,
}
raise webob.exc.HTTPBadRequest(explanation=msg)
access_type = access_data['access_type']
access_to = access_data['access_to']
common.validate_access(access_type=access_type,
access_to=access_to,
enable_ceph=enable_ceph)
try:
access = self.share_api.allow_access(
context, share, access_type, access_to,
access_data.get('access_level'))
except exception.ShareAccessExists as e:
raise webob.exc.HTTPBadRequest(explanation=e.msg)
return self._access_view_builder.view(req, access)
@wsgi.Controller.authorize('deny_access')
def _deny_access(self, req, id, body):
"""Remove share access rule."""
context = req.environ['manila.context']
access_id = body.get(
'deny_access', body.get('os-deny_access'))['access_id']
try:
access = self.share_api.access_get(context, access_id)
if access.share_id != id:
raise exception.NotFound()
share = self.share_api.get(context, id)
except exception.NotFound as error:
raise webob.exc.HTTPNotFound(explanation=six.text_type(error))
self.share_api.deny_access(context, share, access)
return webob.Response(status_int=202)
def _access_list(self, req, id, body):
"""List share access rules."""
context = req.environ['manila.context']
share = self.share_api.get(context, id)
access_rules = self.share_api.access_get_all(context, share)
return self._access_view_builder.list_view(req, access_rules)
def _extend(self, req, id, body):
"""Extend size of a share."""
context = req.environ['manila.context']
share, size = self._get_valid_resize_parameters(
context, id, body, 'os-extend')
try:
self.share_api.extend(context, share, size)
except (exception.InvalidInput, exception.InvalidShare) as e:
raise webob.exc.HTTPBadRequest(explanation=six.text_type(e))
except exception.ShareSizeExceedsAvailableQuota as e:
raise webob.exc.HTTPForbidden(explanation=six.text_type(e))
return webob.Response(status_int=202)
def _shrink(self, req, id, body):
"""Shrink size of a share."""
context = req.environ['manila.context']
share, size = self._get_valid_resize_parameters(
context, id, body, 'os-shrink')
try:
self.share_api.shrink(context, share, size)
except (exception.InvalidInput, exception.InvalidShare) as e:
raise webob.exc.HTTPBadRequest(explanation=six.text_type(e))
return webob.Response(status_int=202)
def _get_valid_resize_parameters(self, context, id, body, action):
try:
share = self.share_api.get(context, id)
except exception.NotFound as e:
raise webob.exc.HTTPNotFound(explanation=six.text_type(e))
try:
size = int(body.get(action,
body.get(action.split('os-')[-1]))['new_size'])
except (KeyError, ValueError, TypeError):
msg = _("New share size must be specified as an integer.")
raise webob.exc.HTTPBadRequest(explanation=msg)
return share, size
class ShareController(wsgi.Controller, ShareMixin, wsgi.AdminActionsMixin):
"""The Shares API v1 controller for the OpenStack API."""
resource_name = 'share'
_view_builder_class = share_views.ViewBuilder
def __init__(self):
super(self.__class__, self).__init__()
self.share_api = share.API()
self._access_view_builder = share_access_views.ViewBuilder()
@wsgi.action('os-reset_status')
def share_reset_status(self, req, id, body):
"""Reset status of a share."""
return self._reset_status(req, id, body)
@wsgi.action('os-force_delete')
def share_force_delete(self, req, id, body):
"""Delete a share, bypassing the check for status."""
return self._force_delete(req, id, body)
@wsgi.action('os-allow_access')
def allow_access(self, req, id, body):
"""Add share access rule."""
return self._allow_access(req, id, body)
@wsgi.action('os-deny_access')
def deny_access(self, req, id, body):
"""Remove share access rule."""
return self._deny_access(req, id, body)
@wsgi.action('os-access_list')
def access_list(self, req, id, body):
"""List share access rules."""
return self._access_list(req, id, body)
@wsgi.action('os-extend')
def extend(self, req, id, body):
"""Extend size of a share."""
return self._extend(req, id, body)
@wsgi.action('os-shrink')
def shrink(self, req, id, body):
"""Shrink size of a share."""
return self._shrink(req, id, body)
def create_resource():
return wsgi.Resource(ShareController())