| #!/usr/bin/env python3 |
| # -*- encoding: utf-8 -*- |
| |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you 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. |
| |
| '''resources.py: module for defining resources''' |
| |
| class Resources: |
| """Resources needed by the topology are encapsulated in this class. |
| Currently we deal with CPU and RAM. Others can be added later. |
| """ |
| def __init__(self): |
| self._cpu = 0.0 |
| self._ram = 0 |
| |
| def set_cpu(self, cpu): |
| self._cpu = float(cpu) |
| return self |
| |
| def set_ram(self, ram): |
| self._ram = int(ram) |
| return self |
| |
| def get_cpu(self): |
| return self._cpu |
| |
| def get_ram(self): |
| return self._ram |
| |
| def set_ram_in_mb(self, ram): |
| return self.set_ram(ram * 1024 * 1024) |
| |
| def set_ram_in_gb(self, ram): |
| return self.set_ram_in_mb(ram * 1024) |
| |
| def __repr__(self): |
| return 'Resource {cpu: %f, ram: %d}' % (self._cpu, self._ram) |