mirror of
https://github.com/virt-manager/virt-manager.git
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628 lines
19 KiB
Python
628 lines
19 KiB
Python
#
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# List of OS Specific data
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#
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# Copyright 2006-2008, 2013-2014 Red Hat, Inc.
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# Jeremy Katz <katzj@redhat.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301 USA.
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from datetime import datetime
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from inspect import isfunction
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import re
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from gi.repository import Libosinfo as libosinfo
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# This is only for back compatibility with pre-libosinfo support.
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# This should never change.
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_aliases = {
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"altlinux" : "altlinux1.0",
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"debianetch" : "debian4",
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"debianlenny" : "debian5",
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"debiansqueeze" : "debian6",
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"debianwheezy" : "debian7",
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"freebsd10" : "freebsd10.0",
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"freebsd6" : "freebsd6.0",
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"freebsd7" : "freebsd7.0",
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"freebsd8" : "freebsd8.0",
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"freebsd9" : "freebsd9.0",
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"mandriva2009" : "mandriva2009.0",
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"mandriva2010" : "mandriva2010.0",
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"mbs1" : "mbs1.0",
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"msdos" : "msdos6.22",
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"openbsd4" : "openbsd4.2",
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"opensolaris" : "opensolaris2009.06",
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"opensuse11" : "opensuse11.4",
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"opensuse12" : "opensuse12.3",
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"rhel4" : "rhel4.0",
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"rhel5" : "rhel5.0",
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"rhel6" : "rhel6.0",
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"rhel7" : "rhel7.0",
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"ubuntuhardy" : "ubuntu8.04",
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"ubuntuintrepid" : "ubuntu8.10",
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"ubuntujaunty" : "ubuntu9.04",
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"ubuntukarmic" : "ubuntu9.10",
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"ubuntulucid" : "ubuntu10.04",
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"ubuntumaverick" : "ubuntu10.10",
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"ubuntunatty" : "ubuntu11.04",
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"ubuntuoneiric" : "ubuntu11.10",
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"ubuntuprecise" : "ubuntu12.04",
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"ubuntuquantal" : "ubuntu12.10",
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"ubunturaring" : "ubuntu13.04",
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"ubuntusaucy" : "ubuntu13.10",
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"vista" : "winvista",
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"winxp64" : "winxp",
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"linux" : "generic",
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"windows" : "winxp",
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"solaris" : "solaris10",
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"virtio26": "fedora10",
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}
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_SENTINEL = -1234
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_allvariants = {}
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def _remove_older_point_releases(distro_list):
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ret = distro_list[:]
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def _get_minor_version(osobj):
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return int(osobj.name.rsplit(".", 1)[-1])
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def _find_latest(prefix):
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"""
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Given a prefix like 'rhel4', find the latest 'rhel4.X',
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and remove the rest from the os list
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"""
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latest_os = None
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first_id = None
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for osobj in ret[:]:
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if not re.match("%s\.\d+" % prefix, osobj.name):
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continue
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if first_id is None:
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first_id = ret.index(osobj)
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ret.remove(osobj)
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if (latest_os and
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_get_minor_version(latest_os) > _get_minor_version(osobj)):
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continue
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latest_os = osobj
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if latest_os:
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ret.insert(first_id, latest_os)
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_find_latest("rhel4")
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_find_latest("rhel5")
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_find_latest("rhel6")
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_find_latest("rhel7")
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_find_latest("freebsd9")
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_find_latest("freebsd10")
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return ret
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def _sort(tosort, sortpref=None, limit_point_releases=False):
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sortby_mappings = {}
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distro_mappings = {}
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retlist = []
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sortpref = sortpref or []
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# Make sure we are sorting by 'sortby' if specified, and group distros
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# by their 'distro' tag first and foremost
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for key, osinfo in tosort.items():
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sortby = osinfo.sortby or key
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# Hack to allow "sortby" duplicates. Remove when this never happens
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# with libosinfo
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while sortby_mappings.get(sortby):
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sortby = sortby + ".1"
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sortby_mappings[sortby] = key
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distro = osinfo.urldistro or "zzzzzzz"
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if distro not in distro_mappings:
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distro_mappings[distro] = []
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distro_mappings[distro].append(sortby)
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# We want returned lists to be sorted descending by 'distro', so we get
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# debian5, debian4, fedora14, fedora13
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# rather than
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# debian4, debian5, fedora13, fedora14
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for distro_list in distro_mappings.values():
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distro_list.sort()
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distro_list.reverse()
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sorted_distro_list = distro_mappings.keys()
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sorted_distro_list.sort()
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sortpref.reverse()
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for prefer in sortpref:
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if prefer not in sorted_distro_list:
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continue
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sorted_distro_list.remove(prefer)
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sorted_distro_list.insert(0, prefer)
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for distro in sorted_distro_list:
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distro_list = distro_mappings[distro]
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for key in distro_list:
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orig_key = sortby_mappings[key]
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retlist.append(tosort[orig_key])
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if limit_point_releases:
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retlist = _remove_older_point_releases(retlist)
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return retlist
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class _OsVariantType(object):
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def __init__(self, name, label, urldistro, sortby):
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self.name = name
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self.label = label
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self.urldistro = urldistro
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self.sortby = sortby
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def is_type(self):
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return self.__class__ == _OsVariantType
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class _OsVariant(_OsVariantType):
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@staticmethod
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def is_windows(o):
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if o is None:
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return False
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return o.get_family() in ['win9x', 'winnt', 'win16']
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def _is_three_stage_install(self):
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if _OsVariant.is_windows(self._os):
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return True
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return _SENTINEL
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def _get_clock(self):
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if not self._os:
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return _SENTINEL
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if _OsVariant.is_windows(self._os) or \
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self._os.get_family() in ['solaris']:
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return "localtime"
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return _SENTINEL
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def _is_acpi(self):
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if not self._os:
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return _SENTINEL
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if self._os.get_family() in ['msdos']:
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return False
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return _SENTINEL
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def _is_apic(self):
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if not self._os:
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return _SENTINEL
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if self._os.get_family() in ['msdos']:
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return False
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return _SENTINEL
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def _get_netmodel(self):
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if not self._os:
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return _SENTINEL
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if self._os.get_distro() == "fedora":
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return _SENTINEL
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fltr = libosinfo.Filter()
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fltr.add_constraint("class", "net")
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devs = self._os.get_all_devices(fltr)
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if devs.get_length():
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return devs.get_nth(0).get_name()
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return _SENTINEL
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def _get_inputtype(self):
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if not self._os:
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return _SENTINEL
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fltr = libosinfo.Filter()
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fltr.add_constraint("class", "input")
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devs = self._os.get_all_devices(fltr)
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if devs.get_length():
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return devs.get_nth(0).get_name()
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return _SENTINEL
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def get_inputbus(self):
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if not self._os:
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return _SENTINEL
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fltr = libosinfo.Filter()
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fltr.add_constraint("class", "input")
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devs = self._os.get_all_devices(fltr)
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if devs.get_length():
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return devs.get_nth(0).get_bus_type()
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return _SENTINEL
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@staticmethod
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def is_os_related_to(o, related_os_list):
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if o.get_short_id() in related_os_list:
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return True
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related = o.get_related(libosinfo.ProductRelationship.DERIVES_FROM)
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clones = o.get_related(libosinfo.ProductRelationship.CLONES)
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for r in related.get_elements() + clones.get_elements():
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if r.get_short_id() in related_os_list or \
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_OsVariant.is_os_related_to(r, related_os_list):
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return True
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return False
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def _get_xen_disable_acpi(self):
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if not self._os:
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return _SENTINEL
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if _OsVariant.is_os_related_to(self._os, ["winxp", "win2k"]):
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return True
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return _SENTINEL
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def _is_virtiodisk(self):
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if not self._os:
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return _SENTINEL
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if self._os.get_distro() == "fedora":
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if self._os.get_version() == "unknown":
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return _SENTINEL
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return int(self._os.get_version() >= 10) or _SENTINEL
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fltr = libosinfo.Filter()
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fltr.add_constraint("class", "block")
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devs = self._os.get_all_devices(fltr)
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for dev in range(devs.get_length()):
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d = devs.get_nth(dev)
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if d.get_name() == "virtio-block":
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return True
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return _SENTINEL
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def _is_virtionet(self):
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if not self._os:
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return _SENTINEL
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if self._os.get_distro() == "fedora":
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if self._os.get_version() == "unknown":
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return _SENTINEL
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return int(self._os.get_version() >= 9) or _SENTINEL
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fltr = libosinfo.Filter()
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fltr.add_constraint("class", "net")
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devs = self._os.get_all_devices(fltr)
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for dev in range(devs.get_length()):
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d = devs.get_nth(dev)
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if d.get_name() == "virtio-net":
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return True
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return _SENTINEL
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def _is_virtioconsole(self):
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# We used to enable this for Fedora 18+, because systemd would
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# autostart a getty on /dev/hvc0 which made 'virsh console' work
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# out of the box for a login prompt. However now in Fedora
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# virtio-console is compiled as a module, and systemd doesn't
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# detect it in time to start a getty. So the benefit of using
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# it as the default is erased, and we reverted to this.
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# https://bugzilla.redhat.com/show_bug.cgi?id=1039742
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return _SENTINEL
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def _is_virtiommio(self):
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if not self._os:
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return _SENTINEL
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if _OsVariant.is_os_related_to(self._os, ["fedora19"]):
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return True
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return _SENTINEL
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def _is_qemu_ga(self):
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if not self._os:
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return _SENTINEL
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if self.name.split(".")[0] in ["rhel7", "rhel6", "centos7", "centos6"]:
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return True
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if self._os.get_distro() == "fedora":
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if self._os.get_version() == "unknown":
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return _SENTINEL
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return int(self._os.get_version()) >= 18 or _SENTINEL
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return _SENTINEL
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def _is_hyperv_features(self):
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if not self._os:
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return _SENTINEL
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if _OsVariant.is_windows(self._os):
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return True
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return _SENTINEL
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def _get_typename(self):
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if not self._os:
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return "generic"
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if self._os.get_family() in ['linux']:
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return "linux"
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if self._os.get_family() in ['win9x', 'winnt', 'win16']:
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return "windows"
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if self._os.get_family() in ['solaris']:
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return "solaris"
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if self._os.get_family() in ['openbsd', 'freebsd', 'netbsd']:
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return "unix"
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return "other"
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def _get_sortby(self):
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if not self._os:
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return "1"
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version = self._os.get_version()
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try:
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t = version.split(".")
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t = t[:min(4, len(t))] + [0] * (4 - min(4, len(t)))
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new_version = ""
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for n in t:
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new_version = new_version + ("%.4i" % int(n))
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version = new_version
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except:
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pass
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distro = self._os.get_distro()
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return "%s-%s" % (distro, version)
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def _get_supported(self):
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if not self._os:
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return True
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d = self._os.get_eol_date_string()
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name = self._os.get_short_id()
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if d:
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return datetime.strptime(d, "%Y-%m-%d") > datetime.now()
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# As of libosinfo 2.11, many clearly EOL distros don't have an
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# EOL date. So assume None == EOL, add some manual work arounds.
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# We should fix this in a new libosinfo version, and then drop
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# this hack
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if name in ["rhel7.0", "rhel7.1", "fedora19", "fedora20", "fedora21",
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"debian6", "debian7", "ubuntu13.04", "ubuntu13.10", "ubuntu14.04",
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"ubuntu14.10", "win8", "win8.1", "win2k12", "win2k12r2"]:
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return True
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return False
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def _get_urldistro(self):
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if not self._os:
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return None
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urldistro = self._os.get_distro()
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remap = {
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"opensuse" : "suse",
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"sles" : "suse",
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"mes" : "mandriva"
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}
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if remap.get(urldistro):
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return remap[urldistro]
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return urldistro
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def _get_name(self):
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if not self._os:
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return "generic"
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return self._os.get_short_id()
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def get_label(self):
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if not self._os:
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return "Generic"
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return self._os.get_name()
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def __init__(self, o):
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self._os = o
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name = self._get_name()
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if name != name.lower():
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raise RuntimeError("OS dictionary wants lowercase name, not "
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"'%s'" % self.name)
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self.typename = self._get_typename()
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# 'types' should rarely be altered, this check will make
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# doubly sure that a new type isn't accidentally added
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_approved_types = ["linux", "windows", "unix",
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"solaris", "other", "generic"]
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if self.typename not in _approved_types:
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raise RuntimeError("type '%s' for variant '%s' not in list "
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"of approved distro types %s" %
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(self.typename, self.name, _approved_types))
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label = self.get_label()
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sortby = self._get_sortby()
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urldistro = self._get_urldistro()
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_OsVariantType.__init__(self, name, label, urldistro, sortby)
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self.supported = self._get_supported()
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self.three_stage_install = self._is_three_stage_install()
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self.acpi = self._is_acpi()
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self.apic = self._is_apic()
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self.clock = self._get_clock()
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self.xen_disable_acpi = self._get_xen_disable_acpi()
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self.virtiommio = self._is_virtiommio()
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self.qemu_ga = self._is_qemu_ga()
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self.hyperv_features = self._is_hyperv_features()
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self.virtioconsole = lambda: self._is_virtioconsole()
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self.netmodel = lambda: self._get_netmodel()
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self.inputtype = lambda: self._get_inputtype()
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self.inputbus = lambda: self.get_inputbus()
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self.virtiodisk = lambda: self._is_virtiodisk()
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self.virtionet = lambda: self._is_virtionet()
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def get_videomodel(self, guest):
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if guest.os.is_ppc64() and guest.os.machine == "pseries":
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return "vga"
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# Marc Deslauriers of canonical had previously patched us
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# to use vmvga for ubuntu, see fb76c4e5. And Fedora users report
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# issues with ubuntu + qxl for as late as 14.04, so carry the vmvga
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# default forward until someone says otherwise. In 2014-09 I contacted
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# Marc offlist and he said this was fine for now.
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if self._os and self._os.get_distro() == "ubuntu":
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return "vmvga"
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if guest.has_spice() and guest.os.is_x86():
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return "qxl"
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if self._os and _OsVariant.is_windows(self._os):
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return "vga"
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return None
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def get_recommended_resources(self, guest):
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ret = {}
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def read_resource(resources, minimum, arch):
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# If we are reading the "minimum" block, allocate more
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# resources.
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ram_scale = minimum and 2 or 1
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n_cpus_scale = minimum and 2 or 1
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storage_scale = minimum and 2 or 1
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for i in range(resources.get_length()):
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r = resources.get_nth(i)
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if r.get_architecture() == arch:
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ret["ram"] = r.get_ram() * ram_scale
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ret["cpu"] = r.get_cpu()
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ret["n-cpus"] = r.get_n_cpus() * n_cpus_scale
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ret["storage"] = r.get_storage() * storage_scale
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break
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|
# libosinfo may miss the recommended resources block for some OS,
|
|
# in this case read first the minimum resources (if present)
|
|
# and use them.
|
|
read_resource(self._os.get_minimum_resources(), True, "all")
|
|
read_resource(self._os.get_minimum_resources(), True, guest.os.arch)
|
|
read_resource(self._os.get_recommended_resources(), False, "all")
|
|
read_resource(self._os.get_recommended_resources(),
|
|
False, guest.os.arch)
|
|
|
|
# machvirt doesn't allow smp in non-kvm mode
|
|
if guest.type != "kvm" and guest.os.is_arm_machvirt():
|
|
ret["n-cpus"] = 1
|
|
|
|
return ret
|
|
|
|
|
|
def _add_type(name, label, urldistro=None, sortby=None):
|
|
t = _OsVariantType(name, label, urldistro, sortby)
|
|
_allvariants[name] = t
|
|
|
|
|
|
def _add_generic_variant():
|
|
v = _OsVariant(None)
|
|
_allvariants[v.name] = v
|
|
|
|
|
|
_add_type("linux", "Linux")
|
|
_add_type("windows", "Windows")
|
|
_add_type("solaris", "Solaris")
|
|
_add_type("unix", "UNIX")
|
|
_add_type("other", "Other")
|
|
_add_generic_variant()
|
|
|
|
|
|
_os_data_loaded = False
|
|
_os_loader = None
|
|
|
|
|
|
def _get_os_loader():
|
|
global _os_loader
|
|
if _os_loader:
|
|
return _os_loader
|
|
_os_loader = libosinfo.Loader()
|
|
_os_loader.process_default_path()
|
|
return _os_loader
|
|
|
|
|
|
def _load_os_data():
|
|
global _os_data_loaded
|
|
if _os_data_loaded:
|
|
return
|
|
loader = _get_os_loader()
|
|
db = loader.get_db()
|
|
oslist = db.get_os_list()
|
|
for os in range(oslist.get_length()):
|
|
osi = _OsVariant(oslist.get_nth(os))
|
|
_allvariants[osi.name] = osi
|
|
_os_data_loaded = True
|
|
|
|
|
|
def lookup_os(key):
|
|
_load_os_data()
|
|
key = _aliases.get(key) or key
|
|
ret = _allvariants.get(key)
|
|
if ret is None or ret.is_type():
|
|
return None
|
|
return ret
|
|
|
|
|
|
def list_os(list_types=False, typename=None,
|
|
filtervars=None, only_supported=False,
|
|
**kwargs):
|
|
_load_os_data()
|
|
sortmap = {}
|
|
filtervars = filtervars or []
|
|
|
|
for key, osinfo in _allvariants.items():
|
|
is_type = osinfo.is_type()
|
|
if list_types and not is_type:
|
|
continue
|
|
if not list_types and is_type:
|
|
continue
|
|
if typename and typename != osinfo.typename:
|
|
continue
|
|
if filtervars:
|
|
filtervars = [lookup_os(x).name for x in filtervars]
|
|
if osinfo.name not in filtervars:
|
|
continue
|
|
if only_supported and not osinfo.supported:
|
|
continue
|
|
sortmap[key] = osinfo
|
|
|
|
kwargs["limit_point_releases"] = only_supported
|
|
return _sort(sortmap, **kwargs)
|
|
|
|
|
|
def lookup_osdict_key(variant, key, default):
|
|
_load_os_data()
|
|
val = _SENTINEL
|
|
if variant is not None:
|
|
os = lookup_os(variant)
|
|
if not hasattr(os, key):
|
|
raise ValueError("Unknown osdict property '%s'" % key)
|
|
val = getattr(os, key)
|
|
if isfunction(val):
|
|
val = val()
|
|
if val == _SENTINEL:
|
|
val = default
|
|
return val
|
|
|
|
|
|
def get_recommended_resources(variant, guest):
|
|
_load_os_data()
|
|
v = _allvariants.get(variant)
|
|
if v is None:
|
|
return None
|
|
|
|
return v.get_recommended_resources(guest)
|
|
|
|
|
|
def lookup_os_by_media(location):
|
|
loader = _get_os_loader()
|
|
media = libosinfo.Media.create_from_location(location, None)
|
|
ret = loader.get_db().guess_os_from_media(media)
|
|
if ret and len(ret) > 0 and ret[0]:
|
|
return ret[0].get_short_id()
|
|
return None
|