103 lines
3.8 KiB
Python
103 lines
3.8 KiB
Python
# (c) Copyright 2014,2015 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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Freezer Admin modes related functions
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"""
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import time
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from oslo_config import cfg
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from oslo_log import log
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from oslo_service import loopingcall
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CONF = cfg.CONF
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LOG = log.getLogger(__name__)
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class AdminOs(object):
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def __init__(self, client_manager):
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"""
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:param client_manager:
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:return:
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"""
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self.client_manager = client_manager
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self.cinder_client = self.client_manager.get_cinder()
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def del_cinderbackup_and_dependend_incremental(self, backup_id):
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"""
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:param backup_id: backup_id of cinder volume
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:return:
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"""
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cinder_client = self.cinder_client
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search_opts = {
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'parent_id': backup_id
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}
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backups = cinder_client.backups.list(search_opts=search_opts)
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if backups:
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for backup in backups:
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self.del_cinderbackup_and_dependend_incremental(backup.id)
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LOG.info("preparing to delete backup %s", backup_id)
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cinder_client.backups.delete(backup_id)
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start_time = int(time.time())
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def wait_del_backup():
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timeout = 120
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del_backup = cinder_client.backups.list(
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search_opts={'id': backup_id})
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if len(del_backup) == 0:
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LOG.info("Delete backup %s complete" % backup_id)
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raise loopingcall.LoopingCallDone()
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if del_backup[0].status in ['error', 'error_deleting']:
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raise Exception("Delete backup %s failed, "
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"the status of backup is %s."
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% (backup_id, del_backup[0].status))
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if (del_backup[0].status == 'deleting') and (int(time.time()) -
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start_time > timeout):
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LOG.error("Delete backup %s failed, In a state of "
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"deleting over 120s")
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raise Exception(
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"Delete backup %s failed due to timeout over 120s, "
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"the status of backup is %s."
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% (backup_id, del_backup[0].status))
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timer = loopingcall.FixedIntervalLoopingCall(wait_del_backup)
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timer.start(interval=0.5).wait()
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def del_off_limit_fullbackup(self, volume_id, keep_number):
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"""
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:param volume_id: id of Volume
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:param keep_number: int keep number of fullbackup
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:return:
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"""
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cinder_client = self.cinder_client
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search_opts = {
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'volume_id': volume_id,
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'status': 'available'
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}
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backups = cinder_client.backups.list(search_opts=search_opts,
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sort='created_at:asc')
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# Filter fullbackup
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fullbackups = [backup for backup in backups
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if not backup.is_incremental]
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if len(fullbackups) <= keep_number:
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LOG.info("The numbers of %s fullbackup is %d,"
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"but keep-number-of-fullbackup is %d,"
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"don't need delete old backups."
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% (volume_id, len(fullbackups), keep_number))
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return
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for fullbackup in fullbackups[:-keep_number]:
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self.del_cinderbackup_and_dependend_incremental(fullbackup.id)
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