119 lines
4.3 KiB
Python
119 lines
4.3 KiB
Python
#
|
|
# 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 bilean.common import exception
|
|
from bilean.common import utils
|
|
from bilean.db import api as db_api
|
|
|
|
from oslo_log import log as logging
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
class Consumption(object):
|
|
"""Class reference to consumption record."""
|
|
|
|
def __init__(self, user_id, **kwargs):
|
|
self.id = kwargs.get('id')
|
|
self.user_id = user_id
|
|
|
|
self.resource_id = kwargs.get('resource_id')
|
|
self.resource_type = kwargs.get('resource_type')
|
|
|
|
self.start_time = utils.make_decimal(kwargs.get('start_time', 0))
|
|
self.end_time = utils.make_decimal(kwargs.get('end_time', 0))
|
|
self.rate = utils.make_decimal(kwargs.get('rate', 0))
|
|
self.cost = utils.make_decimal(kwargs.get('cost', 0))
|
|
self.metadata = kwargs.get('metadata')
|
|
|
|
@classmethod
|
|
def from_db_record(cls, record):
|
|
'''Construct a consumption object from a database record.'''
|
|
|
|
kwargs = {
|
|
'id': record.id,
|
|
'resource_id': record.resource_id,
|
|
'resource_type': record.resource_type,
|
|
'start_time': record.start_time,
|
|
'end_time': record.end_time,
|
|
'rate': record.rate,
|
|
'cost': record.cost,
|
|
'metadata': record.meta_data,
|
|
}
|
|
return cls(record.user_id, **kwargs)
|
|
|
|
@classmethod
|
|
def load(cls, context, db_consumption=None, consumption_id=None,
|
|
project_safe=True):
|
|
'''Retrieve a consumption record from database.'''
|
|
if db_consumption is not None:
|
|
return cls.from_db_record(db_consumption)
|
|
|
|
record = db_api.consumption_get(context, consumption_id,
|
|
project_safe=project_safe)
|
|
if record is None:
|
|
raise exception.ConsumptionNotFound(consumption=consumption_id)
|
|
|
|
return cls.from_db_record(record)
|
|
|
|
@classmethod
|
|
def load_all(cls, context, limit=None, marker=None, sort_keys=None,
|
|
sort_dir=None, filters=None, project_safe=True):
|
|
'''Retrieve all consumptions from database.'''
|
|
|
|
records = db_api.consumption_get_all(context, limit=limit,
|
|
marker=marker,
|
|
filters=filters,
|
|
sort_keys=sort_keys,
|
|
sort_dir=sort_dir,
|
|
project_safe=project_safe)
|
|
|
|
for record in records:
|
|
yield cls.from_db_record(record)
|
|
|
|
def store(self, context):
|
|
'''Store the consumption into database and return its ID.'''
|
|
values = {
|
|
'user_id': self.user_id,
|
|
'resource_id': self.resource_id,
|
|
'resource_type': self.resource_type,
|
|
'start_time': utils.format_decimal(self.start_time),
|
|
'end_time': utils.format_decimal(self.end_time),
|
|
'rate': utils.format_decimal(self.rate),
|
|
'cost': utils.format_decimal(self.cost),
|
|
'meta_data': self.metadata,
|
|
}
|
|
|
|
consumption = db_api.consumption_create(context, values)
|
|
self.id = consumption.id
|
|
|
|
return self.id
|
|
|
|
def delete(self, context):
|
|
'''Delete consumption from database.'''
|
|
db_api.consumption_delete(context, self.id)
|
|
|
|
def to_dict(self):
|
|
consumption = {
|
|
'id': self.id,
|
|
'user_id': self.user_id,
|
|
'resource_id': self.resource_id,
|
|
'resource_type': self.resource_type,
|
|
'start_time': utils.dec2str(self.start_time),
|
|
'end_time': utils.dec2str(self.end_time),
|
|
'rate': utils.dec2str(self.rate),
|
|
'cost': utils.dec2str(self.cost),
|
|
'metadata': self.metadata,
|
|
}
|
|
return consumption
|