nova/nova/policies/volumes_attachments.py

110 lines
3.8 KiB
Python

# Copyright 2016 Cloudbase Solutions Srl
# 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.
from oslo_policy import policy
from nova.policies import base
POLICY_ROOT = 'os_compute_api:os-volumes-attachments:%s'
volumes_attachments_policies = [
policy.DocumentedRuleDefault(
name=POLICY_ROOT % 'index',
check_str=base.PROJECT_READER_OR_ADMIN,
description="List volume attachments for an instance",
operations=[
{'method': 'GET',
'path': '/servers/{server_id}/os-volume_attachments'
}
],
scope_types=['project']),
policy.DocumentedRuleDefault(
name=POLICY_ROOT % 'create',
check_str=base.PROJECT_MEMBER_OR_ADMIN,
description="Attach a volume to an instance",
operations=[
{
'method': 'POST',
'path': '/servers/{server_id}/os-volume_attachments'
}
],
scope_types=['project']),
policy.DocumentedRuleDefault(
name=POLICY_ROOT % 'show',
check_str=base.PROJECT_READER_OR_ADMIN,
description="Show details of a volume attachment",
operations=[
{
'method': 'GET',
'path':
'/servers/{server_id}/os-volume_attachments/{volume_id}'
}
],
scope_types=['project']),
policy.DocumentedRuleDefault(
name=POLICY_ROOT % 'update',
check_str=base.PROJECT_MEMBER_OR_ADMIN,
description="""Update a volume attachment.
New 'update' policy about 'swap + update' request (which is possible
only >2.85) only <swap policy> is checked. We expect <swap policy> to be
always superset of this policy permission.
""",
operations=[
{
'method': 'PUT',
'path':
'/servers/{server_id}/os-volume_attachments/{volume_id}'
}
],
scope_types=['project']),
policy.DocumentedRuleDefault(
name=POLICY_ROOT % 'swap',
# TODO(gmann): This is internal API policy and supposed to be called
# only by cinder. Add 'service' role in this policy so that cinder
# can call it with user having 'service' role (not having server's
# project_id). That is for phase-2 of RBAC goal and until then,
# we keep it open for all admin in any project. We cannot default it to
# ADMIN which has the project_id in check_str and will fail
# if cinder call it with other project_id.
check_str=base.ADMIN,
description="Update a volume attachment with a different volumeId",
operations=[
{
'method': 'PUT',
'path':
'/servers/{server_id}/os-volume_attachments/{volume_id}'
}
],
scope_types=['project']),
policy.DocumentedRuleDefault(
name=POLICY_ROOT % 'delete',
check_str=base.PROJECT_MEMBER_OR_ADMIN,
description="Detach a volume from an instance",
operations=[
{
'method': 'DELETE',
'path':
'/servers/{server_id}/os-volume_attachments/{volume_id}'
}
],
scope_types=['project']),
]
def list_rules():
return volumes_attachments_policies