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#
# 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 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):
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
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,
}
@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"])
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