36fae29ea5
Implement optional API for shrinking shares: "manila shrink <share-id> <new-size>" - Implement tenant-facing API for shrinking shares - Add appropriate unit tests Partially implements bp share-shrink-api Change-Id: I48f8e05793a992b11fb180b0b4dbf43bcffb4229
126 lines
4.6 KiB
Python
126 lines
4.6 KiB
Python
# Copyright 2012, Intel, Inc.
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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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"""
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Client side of the share RPC API.
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"""
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from oslo_config import cfg
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import oslo_messaging as messaging
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from oslo_serialization import jsonutils
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from manila import rpc
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from manila.share import utils
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CONF = cfg.CONF
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class ShareAPI(object):
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'''Client side of the share rpc API.
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API version history:
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1.0 - Initial version.
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1.1 - Add manage_share() and unmanage_share() methods
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1.2 - Add extend_share() method
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1.3 - Add shrink_share() method
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'''
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BASE_RPC_API_VERSION = '1.0'
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def __init__(self, topic=None):
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super(ShareAPI, self).__init__()
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target = messaging.Target(topic=CONF.share_topic,
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version=self.BASE_RPC_API_VERSION)
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self.client = rpc.get_client(target, version_cap='1.3')
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def create_share(self, ctxt, share, host,
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request_spec, filter_properties,
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snapshot_id=None):
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new_host = utils.extract_host(host)
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cctxt = self.client.prepare(server=new_host, version='1.0')
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request_spec_p = jsonutils.to_primitive(request_spec)
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cctxt.cast(
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ctxt,
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'create_share',
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share_id=share['id'],
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request_spec=request_spec_p,
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filter_properties=filter_properties,
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snapshot_id=snapshot_id,
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)
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def manage_share(self, ctxt, share, driver_options=None):
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host = utils.extract_host(share['host'])
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cctxt = self.client.prepare(server=host, version='1.1')
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cctxt.cast(ctxt,
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'manage_share',
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share_id=share['id'],
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driver_options=driver_options)
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def unmanage_share(self, ctxt, share):
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host = utils.extract_host(share['host'])
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cctxt = self.client.prepare(server=host, version='1.1')
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cctxt.cast(ctxt, 'unmanage_share', share_id=share['id'])
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def delete_share(self, ctxt, share):
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host = utils.extract_host(share['host'])
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cctxt = self.client.prepare(server=host, version='1.0')
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cctxt.cast(ctxt, 'delete_share', share_id=share['id'])
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def delete_share_server(self, ctxt, share_server):
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host = utils.extract_host(share_server['host'])
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cctxt = self.client.prepare(server=host, version='1.0')
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cctxt.cast(ctxt, 'delete_share_server', share_server=share_server)
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def create_snapshot(self, ctxt, share, snapshot):
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host = utils.extract_host(share['host'])
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cctxt = self.client.prepare(server=host)
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cctxt.cast(
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ctxt,
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'create_snapshot',
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share_id=share['id'],
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snapshot_id=snapshot['id'],
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)
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def delete_snapshot(self, ctxt, snapshot, host):
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new_host = utils.extract_host(host)
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cctxt = self.client.prepare(server=new_host)
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cctxt.cast(ctxt, 'delete_snapshot', snapshot_id=snapshot['id'])
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def allow_access(self, ctxt, share, access):
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host = utils.extract_host(share['host'])
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cctxt = self.client.prepare(server=host, version='1.0')
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cctxt.cast(ctxt, 'allow_access', access_id=access['id'])
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def deny_access(self, ctxt, share, access):
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host = utils.extract_host(share['host'])
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cctxt = self.client.prepare(server=host, version='1.0')
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cctxt.cast(ctxt, 'deny_access', access_id=access['id'])
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def publish_service_capabilities(self, ctxt):
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cctxt = self.client.prepare(fanout=True, version='1.0')
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cctxt.cast(ctxt, 'publish_service_capabilities')
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def extend_share(self, ctxt, share, new_size, reservations):
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host = utils.extract_host(share['host'])
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cctxt = self.client.prepare(server=host, version='1.2')
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cctxt.cast(ctxt, 'extend_share', share_id=share['id'],
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new_size=new_size, reservations=reservations)
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def shrink_share(self, ctxt, share, new_size):
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host = utils.extract_host(share['host'])
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cctxt = self.client.prepare(server=host, version='1.3')
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cctxt.cast(ctxt, 'shrink_share', share_id=share['id'],
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new_size=new_size)
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