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# Copyright (c) 2013 Mirantis Inc.
#
# 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_utils import timeutils
from blazarclient import base
from blazarclient.i18n import _
from blazarclient import utils
class LeaseClientManager(base.BaseClientManager):
"""Manager for the lease connected requests."""
def create(self, name, start, end, reservations, events, before_end=None):
"""Creates lease from values passed."""
values = {'name': name, 'start_date': start, 'end_date': end,
'reservations': reservations, 'events': events,
'before_end_date': before_end}
resp, body = self.request_manager.post('/leases', body=values)
return body['lease']
def get(self, lease_id):
"""Describes lease specifications such as name, status and locked
condition.
"""
resp, body = self.request_manager.get('/leases/%s' % lease_id)
return body['lease']
def update(self, lease_id, name=None, prolong_for=None, reduce_by=None,
end_date=None, advance_by=None, defer_by=None, start_date=None,
reservations=None):
"""Update attributes of the lease."""
values = {}
if name:
values['name'] = name
lease_end_date_change = prolong_for or reduce_by or end_date
lease_start_date_change = defer_by or advance_by or start_date
lease = None
if lease_end_date_change:
lease = self.get(lease_id)
if end_date:
date = timeutils.parse_strtime(end_date, utils.API_DATE_FORMAT)
values['end_date'] = date.strftime(utils.API_DATE_FORMAT)
else:
self._add_lease_date(values, lease, 'end_date',
lease_end_date_change,
prolong_for is not None)
if lease_start_date_change:
if lease is None:
lease = self.get(lease_id)
if start_date:
date = timeutils.parse_strtime(start_date,
utils.API_DATE_FORMAT)
values['start_date'] = date.strftime(utils.API_DATE_FORMAT)
else:
self._add_lease_date(values, lease, 'start_date',
lease_start_date_change,
defer_by is not None)
if reservations:
values['reservations'] = reservations
if not values:
return _('No values to update passed.')
resp, body = self.request_manager.put('/leases/%s' % lease_id,
body=values)
return body['lease']
def delete(self, lease_id):
"""Deletes lease with specified ID."""
resp, body = self.request_manager.delete('/leases/%s' % lease_id)
def list(self, sort_by=None):
"""List all leases."""
resp, body = self.request_manager.get('/leases')
leases = body['leases']
if sort_by:
leases = sorted(leases, key=lambda lease: lease[sort_by])
return leases
def _add_lease_date(self, values, lease, key, delta_date, positive_delta):
delta_sec = utils.from_elapsed_time_to_delta(
delta_date,
pos_sign=positive_delta)
date = timeutils.parse_strtime(lease[key],
utils.LEASE_DATE_FORMAT)
values[key] = (date + delta_sec).strftime(utils.API_DATE_FORMAT)
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