| # |
| # Migration test scenario parameter description |
| # |
| # Copyright (c) 2016 Red Hat, Inc. |
| # |
| # This library is free software; you can redistribute it and/or |
| # modify it under the terms of the GNU Lesser General Public |
| # License as published by the Free Software Foundation; either |
| # version 2.1 of the License, or (at your option) any later version. |
| # |
| # This library is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| # Lesser General Public License for more details. |
| # |
| # You should have received a copy of the GNU Lesser General Public |
| # License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| # |
| |
| |
| class Scenario(object): |
| |
| def __init__(self, name, |
| downtime=500, |
| bandwidth=125000, # 1000 gig-e, effectively unlimited |
| max_iters=30, |
| max_time=300, |
| pause=False, pause_iters=5, |
| post_copy=False, post_copy_iters=5, |
| auto_converge=False, auto_converge_step=10, |
| compression_mt=False, compression_mt_threads=1, |
| compression_xbzrle=False, compression_xbzrle_cache=10, |
| multifd=False, multifd_channels=2): |
| |
| self._name = name |
| |
| # General migration tunables |
| self._downtime = downtime # milliseconds |
| self._bandwidth = bandwidth # MiB per second |
| self._max_iters = max_iters |
| self._max_time = max_time # seconds |
| |
| |
| # Strategies for ensuring completion |
| self._pause = pause |
| self._pause_iters = pause_iters |
| |
| self._post_copy = post_copy |
| self._post_copy_iters = post_copy_iters |
| |
| self._auto_converge = auto_converge |
| self._auto_converge_step = auto_converge_step # percentage CPU time |
| |
| self._compression_mt = compression_mt |
| self._compression_mt_threads = compression_mt_threads |
| |
| self._compression_xbzrle = compression_xbzrle |
| self._compression_xbzrle_cache = compression_xbzrle_cache # percentage of guest RAM |
| |
| self._multifd = multifd |
| self._multifd_channels = multifd_channels |
| |
| def serialize(self): |
| return { |
| "name": self._name, |
| "downtime": self._downtime, |
| "bandwidth": self._bandwidth, |
| "max_iters": self._max_iters, |
| "max_time": self._max_time, |
| "pause": self._pause, |
| "pause_iters": self._pause_iters, |
| "post_copy": self._post_copy, |
| "post_copy_iters": self._post_copy_iters, |
| "auto_converge": self._auto_converge, |
| "auto_converge_step": self._auto_converge_step, |
| "compression_mt": self._compression_mt, |
| "compression_mt_threads": self._compression_mt_threads, |
| "compression_xbzrle": self._compression_xbzrle, |
| "compression_xbzrle_cache": self._compression_xbzrle_cache, |
| "multifd": self._multifd, |
| "multifd_channels": self._multifd_channels, |
| } |
| |
| @classmethod |
| def deserialize(cls, data): |
| return cls( |
| data["name"], |
| data["downtime"], |
| data["bandwidth"], |
| data["max_iters"], |
| data["max_time"], |
| data["pause"], |
| data["pause_iters"], |
| data["post_copy"], |
| data["post_copy_iters"], |
| data["auto_converge"], |
| data["auto_converge_step"], |
| data["compression_mt"], |
| data["compression_mt_threads"], |
| data["compression_xbzrle"], |
| data["compression_xbzrle_cache"], |
| data["multifd"], |
| data["multifd_channels"]) |
