240 lines
8.5 KiB
Python
240 lines
8.5 KiB
Python
# Copyright 2012 NetApp
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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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#
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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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"""Interface for shares extension."""
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from manilaclient import api_versions
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from manilaclient import base
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from manilaclient.common.apiclient import base as common_base
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from manilaclient.common import constants
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class ShareSnapshot(common_base.Resource):
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"""Represent a snapshot of a share."""
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def __repr__(self):
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return "<ShareSnapshot: %s>" % self.id
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def update(self, **kwargs):
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"""Update this snapshot."""
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self.manager.update(self, **kwargs)
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def reset_state(self, state):
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"""Update the snapshot with the provided state."""
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self.manager.reset_state(self, state)
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def delete(self):
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"""Delete this snapshot."""
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self.manager.delete(self)
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def force_delete(self):
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"""Delete the specified snapshot ignoring its current state."""
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self.manager.force_delete(self)
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def unmanage_snapshot(self):
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"""Unmanage this snapshot."""
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self.manager.unmanage(self)
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def allow(self, access_type, access_to):
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"""Allow access to a share snapshot."""
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return self.manager.allow(self, access_type, access_to)
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def deny(self, id):
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"""Denies access to a share snapshot."""
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return self.manager.deny(self, id)
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def access_list(self):
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return self.manager.access_list(self)
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class ShareSnapshotManager(base.ManagerWithFind):
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"""Manage :class:`ShareSnapshot` resources."""
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resource_class = ShareSnapshot
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def create(self, share, force=False, name=None, description=None):
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"""Create a snapshot of the given share.
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:param share_id: The ID of the share to snapshot.
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:param force: If force is True, create a snapshot even if the
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share is busy. Default is False.
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:param name: Name of the snapshot
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:param description: Description of the snapshot
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:rtype: :class:`ShareSnapshot`
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"""
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body = {'snapshot': {'share_id': common_base.getid(share),
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'force': force,
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'name': name,
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'description': description}}
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return self._create('/snapshots', body, 'snapshot')
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@api_versions.wraps("2.12")
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def manage(self, share, provider_location,
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driver_options=None,
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name=None, description=None):
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"""Manage an existing share snapshot.
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:param share: The share object.
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:param provider_location: The provider location of
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the snapshot on the backend.
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:param driver_options: dict - custom set of key-values.
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:param name: text - name of new snapshot
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:param description: - description for new snapshot
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"""
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driver_options = driver_options if driver_options else {}
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body = {
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'share_id': common_base.getid(share),
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'provider_location': provider_location,
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'driver_options': driver_options,
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'name': name,
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'description': description,
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}
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return self._create('/snapshots/manage', {'snapshot': body},
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'snapshot')
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@api_versions.wraps("2.12")
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def unmanage(self, snapshot):
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"""Unmanage a share snapshot.
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:param snapshot: either snapshot object or text with its ID.
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"""
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return self._action("unmanage", snapshot)
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def get(self, snapshot):
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"""Get a snapshot.
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:param snapshot: The :class:`ShareSnapshot` instance or string with ID
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of snapshot to delete.
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:rtype: :class:`ShareSnapshot`
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"""
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snapshot_id = common_base.getid(snapshot)
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return self._get('/snapshots/%s' % snapshot_id, 'snapshot')
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def list(self, detailed=True, search_opts=None, sort_key=None,
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sort_dir=None):
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"""Get a list of snapshots of shares.
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:param search_opts: Search options to filter out shares.
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:param sort_key: Key to be sorted.
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:param sort_dir: Sort direction, should be 'desc' or 'asc'.
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:rtype: list of :class:`ShareSnapshot`
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"""
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search_opts = search_opts or {}
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if sort_key is not None:
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if sort_key in constants.SNAPSHOT_SORT_KEY_VALUES:
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search_opts['sort_key'] = sort_key
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else:
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raise ValueError(
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'sort_key must be one of the following: %s.'
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% ', '.join(constants.SNAPSHOT_SORT_KEY_VALUES))
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if sort_dir is not None:
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if sort_dir in constants.SORT_DIR_VALUES:
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search_opts['sort_dir'] = sort_dir
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else:
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raise ValueError(
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'sort_dir must be one of the following: %s.'
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% ', '.join(constants.SORT_DIR_VALUES))
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query_string = self._build_query_string(search_opts)
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if detailed:
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path = "/snapshots/detail%s" % (query_string,)
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else:
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path = "/snapshots%s" % (query_string,)
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return self._list(path, 'snapshots')
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def delete(self, snapshot):
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"""Delete a snapshot of a share.
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:param snapshot: The :class:`ShareSnapshot` to delete.
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"""
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self._delete("/snapshots/%s" % common_base.getid(snapshot))
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def _do_force_delete(self, snapshot, action_name="force_delete"):
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"""Delete the specified snapshot ignoring its current state."""
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return self._action(action_name, common_base.getid(snapshot))
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@api_versions.wraps("1.0", "2.6")
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def force_delete(self, snapshot):
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return self._do_force_delete(snapshot, "os-force_delete")
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@api_versions.wraps("2.7") # noqa
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def force_delete(self, snapshot): # noqa
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return self._do_force_delete(snapshot, "force_delete")
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def update(self, snapshot, **kwargs):
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"""Update a snapshot.
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:param snapshot: The :class:`ShareSnapshot` instance or string with ID
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of snapshot to delete.
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:rtype: :class:`ShareSnapshot`
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"""
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if not kwargs:
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return
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body = {'snapshot': kwargs, }
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snapshot_id = common_base.getid(snapshot)
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return self._update("/snapshots/%s" % snapshot_id, body)
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def _do_reset_state(self, snapshot, state, action_name="reset_status"):
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"""Update the specified share snapshot with the provided state."""
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return self._action(action_name, snapshot, {"status": state})
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@api_versions.wraps("1.0", "2.6")
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def reset_state(self, snapshot, state):
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return self._do_reset_state(snapshot, state, "os-reset_status")
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@api_versions.wraps("2.7") # noqa
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def reset_state(self, snapshot, state): # noqa
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return self._do_reset_state(snapshot, state, "reset_status")
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def _do_allow(self, snapshot, access_type, access_to):
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access_params = {
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'access_type': access_type,
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'access_to': access_to,
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}
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return self._action('allow_access', snapshot,
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access_params)[1]['snapshot_access']
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@api_versions.wraps("2.32")
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def allow(self, snapshot, access_type, access_to):
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return self._do_allow(snapshot, access_type, access_to)
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def _do_deny(self, snapshot, id):
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return self._action('deny_access', snapshot, {'access_id': id})
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@api_versions.wraps("2.32")
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def deny(self, snapshot, id):
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return self._do_deny(snapshot, id)
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def _do_access_list(self, snapshot):
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snapshot_id = common_base.getid(snapshot)
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access_list = self._list("/snapshots/%s/access-list" % snapshot_id,
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'snapshot_access_list')
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return access_list
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@api_versions.wraps("2.32")
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def access_list(self, snapshot):
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return self._do_access_list(snapshot)
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def _action(self, action, snapshot, info=None, **kwargs):
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"""Perform a snapshot 'action'."""
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body = {action: info}
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self.run_hooks('modify_body_for_action', body, **kwargs)
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url = '/snapshots/%s/action' % common_base.getid(snapshot)
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return self.api.client.post(url, body=body)
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