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#!/usr/bin/python
"""
Copyright (C) International Business Machines Corp., 2005
Author: Stefan Berger <stefanb@us.ibm.com>
Based on XenDomain.py by Dan Smith <danms@us.ibm.com>
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; under version 2 of the License.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""
import os
import sys
from XmTestLib import *
from types import DictType
class XenAPIConfig:
"""An object to help create a VM configuration usable via Xen-API"""
def __init__(self):
self.opts = {}
#Array to translate old option to new ones
self.opttrlate = { 'name' : 'name_label' ,
'memory' : [ 'memory_static_max' ,
'memory_static_min' ,
'memory_dynamic_min',
'memory_dynamic_max' ],
'kernel' : 'PV_kernel',
'ramdisk': 'PV_ramdisk',
'root' : 'PV_args',
'extra' : 'PV_args' }
def setOpt(self, name, value):
"""Set an option in the config"""
if name == "memory":
value <<= 20
if name == "root":
value = "root=" + value
if name in self.opttrlate.keys():
_name = self.opttrlate[name]
else:
_name = name
if isinstance(_name, list):
for _n in _name:
self.opts[_n] = value
else:
if not self.opts.get(_name) or \
not _name in [ "PV_args" ]:
self.opts[_name] = value
else:
self.opts[_name] += " " + value
def getOpt(self, name):
"""Return the value of a config option"""
if name in self.opts.keys():
return self.opts[name]
else:
return None
def setOpts(self, opts):
"""Batch-set options from a dictionary"""
for k, v in opts.items():
self.setOpt(k, v)
def getOpts(self):
return self.opts
class XenAPIDomain(XenDomain):
def __init__(self, name=None, config=None):
if name:
self.name = name
else:
self.name = getUniqueName()
self.config = config
self.console = None
self.netEnv = "bridge"
self.session = xapi.connect()
try:
self.vm_uuid = self.session.xenapi.VM.create(self.config.getOpts())
addXAPIDomain(self.vm_uuid)
except:
raise DomainError("Could not create VM config file for "
"managed domain.")
#Only support PV for now.
self.type = "PV"
def start(self, noConsole=False, startpaused=False):
#start the VM
session = self.session
if self.vm_uuid:
try:
session.xenapi.VM.start(self.vm_uuid, startpaused)
except:
raise DomainError("Could not start domain")
else:
raise DomainError("VM has no UUID - does VM config exist?")
if startpaused:
return
if self.getDomainType() == "HVM":
waitForBoot()
if self.console and noConsole == True:
self.closeConsole()
elif self.console and noConsole == False:
return self.console
elif not self.console and noConsole == False:
return self.getConsole()
def stop(self):
if self.vm_uuid:
self.session.xenapi.VM.hard_shutdown(self.vm_uuid)
else:
raise DomainError("VM has no UUID - does VM config exist?")
def destroy(self):
#Stop VM first.
self.stop()
if self.vm_uuid:
self.session.xenapi.VM.destroy(self.vm_uuid)
delXAPIDomain(self.vm_uuid)
else:
raise DomainError("VM has no UUID - does VM config exist?")
def get_uuid(self):
return self.vm_uuid
def newDevice(self, Device, *args):
raise DomainError("No support for newDevice().")
def removeDevice(self, id):
raise DomainError("No support for removeDevice().")
def removeAllDevices(self, id):
raise DomainError("No support for removeAllDevices().")
def isRunning(self):
return isDomainRunning(self.name)
def getDevice(self, id):
raise DomainError("No support for getDevice().")
class XmTestAPIDomain(XenAPIDomain):
"""Create a new managed xm-test domain
@param name: The requested domain name
@param extraConfig: Additional configuration options
@param baseConfig: The initial configuration defaults to use
"""
def __init__(self, name=None, extraConfig=None,
baseConfig=arch.configDefaults):
config = XenAPIConfig()
config.setOpts(baseConfig)
if extraConfig:
config.setOpts(extraConfig)
if name:
config.setOpt("name_label", name)
elif not config.getOpt("name_label"):
config.setOpt("name_label", getUniqueName())
XenAPIDomain.__init__(self, config.getOpt("name_label"),
config=config)
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