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#
# Copyright 2008 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301 USA.
#
import platform
from virtconv import diskcfg
from virtinst import CapabilitiesParser
VM_TYPE_UNKNOWN = 0
VM_TYPE_PV = 1
VM_TYPE_HVM = 2
class vm(object):
"""
Generic configuration for a particular VM instance.
At export, a plugin is guaranteed to have the at least the following
values set (any others needed should be checked for, raising
ValueError on failure):
vm.name
vm.description (defaults to empty string)
vm.nr_vcpus (defaults to 1)
vm.type
vm.arch
If vm.memory is set, it is in Mb units.
"""
name = None
suffix = None
def __init__(self):
self.name = None
self.description = None
self.memory = None
self.nr_vcpus = None
self.disks = {}
self.netdevs = {}
self.type = VM_TYPE_HVM
self.arch = "i686"
self.noacpi = None
self.noapic = None
self.os_type = None
self.os_variant = None
def validate(self):
"""
Validate all parameters, and fix up any unset values to meet the
guarantees we make above.
"""
if not self.name:
raise ValueError(_("VM name is not set"))
if not self.description:
self.description = ""
if not self.nr_vcpus:
self.nr_vcpus = 1
if self.type == VM_TYPE_UNKNOWN:
raise ValueError(_("VM type is not set"))
if not self.arch:
raise ValueError(_("VM arch is not set"))
for (bus, inst), disk in sorted(self.disks.iteritems()):
if disk.type == diskcfg.DISK_TYPE_DISK and not disk.path:
raise ValueError(_("Disk %s:%s storage does not exist")
% (bus, inst))
def host(conn=None):
"""
Return the host, as seen in platform.system(), but possibly from a
hypervisor connection. Note: use default_arch() in almost all
cases, unless you need to detect the OS. In particular, this value
gives no indication of 32 vs 64 bitness.
"""
if conn:
cap = CapabilitiesParser.parse(conn.getCapabilities())
if cap.host.arch == "i86pc":
return "SunOS"
else:
# or Linux-alike. Hmm.
return "Linux"
return platform.system()
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