def getDeviceDetails(self, config):
"""@see DevController.getDeviceDetails"""
uname = config.get('uname', '')
dev = config.get('dev', '')
if 'ioemu:' in dev:
(_, dev) = string.split(dev, ':', 1)
try:
(dev, dev_type) = string.split(dev, ':', 1)
except ValueError:
dev_type = "disk"
if not uname:
if dev_type == 'cdrom':
(typ, params) = ("", "")
else:
raise VmError(
'Block device must have physical details specified')
else:
try:
(typ, params) = string.split(uname, ':', 1)
if not self._isValidProtocol(typ):
raise VmError('Block device type "%s" is invalid.' % typ)
except ValueError:
raise VmError(
'Block device must have physical details specified')
mode = config.get('mode', 'r')
if mode not in ('r', 'w', 'w!'):
raise VmError('Invalid mode')
back = {
'dev': dev,
'type': typ,
'params': params,
'mode': mode,
}
uuid = config.get('uuid')
if uuid:
back['uuid'] = uuid
bootable = config.get('bootable', None)
if bootable != None:
back['bootable'] = str(bootable)
if security.on() == xsconstants.XS_POLICY_USE:
self.do_access_control(config, uname)
(device_path, devid) = blkif.blkdev_name_to_number(dev)
if devid is None:
raise VmError('Unable to find number for device (%s)' % (dev))
front = {device_path: "%i" % devid, 'device-type': dev_type}
protocol = config.get('protocol')
if protocol:
front['protocol'] = protocol
return (devid, back, front)
def get_devnum(self, lv): """ Return the device number internaly used by xen for the specified LV. (This is usefull for xm block-detach ...) Raise a KeyError if the given LV is invalid. """ return blkdev_name_to_number(self.devices[lv])[1]
def getDeviceDetails(self, config):
"""@see DevController.getDeviceDetails"""
uname = config.get('uname', '')
dev = config.get('dev', '')
if 'ioemu:' in dev:
(_, dev) = string.split(dev, ':', 1)
try:
(dev, dev_type) = string.split(dev, ':', 1)
except ValueError:
dev_type = "disk"
if not uname:
if dev_type == 'cdrom':
(typ, params) = ("", "")
else:
raise VmError(
'Block device must have physical details specified')
else:
try:
(typ, params) = string.split(uname, ':', 1)
if typ not in ('phy', 'file', 'tap'):
raise VmError(
'Block device must have "phy", "file" or "tap" '
'specified to type')
except ValueError:
raise VmError(
'Block device must have physical details specified')
mode = config.get('mode', 'r')
if mode not in ('r', 'w', 'w!'):
raise VmError('Invalid mode')
back = {'dev' : dev,
'type' : typ,
'params' : params,
'mode' : mode,
}
uuid = config.get('uuid')
if uuid:
back['uuid'] = uuid
if security.on() == xsconstants.XS_POLICY_ACM:
self.do_access_control(config, uname)
(device_path, devid) = blkif.blkdev_name_to_number(dev)
if devid is None:
raise VmError('Unable to find number for device (%s)' % (dev))
front = { device_path : "%i" % devid,
'device-type' : dev_type
}
protocol = config.get('protocol')
if protocol:
front['protocol'] = protocol
return (devid, back, front)
def getDeviceDetails(self, config):
"""@see DevController.getDeviceDetails"""
dev = sxp.child_value(config, 'dev')
(typ, params) = string.split(sxp.child_value(config, 'uname'), ':', 1)
back = { 'dev' : dev,
'type' : typ,
'params' : params,
'mode' : sxp.child_value(config, 'mode', 'r')
}
if 'ioemu:' in dev:
(dummy, dev1) = string.split(dev, ':', 1)
devid = blkif.blkdev_name_to_number(dev1)
front = {}
else:
devid = blkif.blkdev_name_to_number(dev)
front = { 'virtual-device' : "%i" % devid }
return (devid, back, front)
def convertToDeviceNumber(self, devid):
try:
dev = int(devid)
except ValueError:
if type(devid) is not str:
raise VmError("devid %s is wrong type" % str(devid))
try:
dev = devid.split('/')[-1]
dev = int(dev)
except ValueError:
(device_path, dev) = blkif.blkdev_name_to_number(dev)
return dev
def convertToDeviceNumber(self, devid):
try:
dev = int(devid)
except ValueError:
if type(devid) is not str:
raise VmError("devid %s is wrong type" % str(devid))
try:
dev = devid.split('/')[-1]
dev = int(dev)
except ValueError:
(device_path, dev) = blkif.blkdev_name_to_number(dev)
return dev
def get_VM_dev2num(dom_id, dev2path_list):
log.debug('get_VM_dev2num')
dev2num_list = {}
for dev, path in dev2path_list.items():
if "file:" in path:
# major = 7
blk_num = blkif.blkdev_name_to_number(dev)[1]
cmd = 'cat /sys/devices/vbd-%s-%s/physical_device' % (dom_id, blk_num)
(rc, stdout, stderr) = doexec(cmd)
out = stdout.read();
stdout.close();
#cmd not fount rc != 0
if rc != 0:
err = stderr.read();
stderr.close();
log.error('excute %s error: %s:.' % (cmd, err))
continue
else:
dev_num = out.strip()
dev2num_list[dev] = dev_num
else:
major = 252
path = path.split(':')[-1]
log.debug(path)
cmd = "tap-ctl list -f %s | awk '{if (NF>1) print $2}'" % (path)
log.debug(cmd)
(rc, stdout, stderr) = doexec(cmd)
out = stdout.read();
stdout.close();
#cmd not fount rc != 0
if rc != 0:
err = stderr.read();
stderr.close();
log.error('excute %s error: %s:.' % (cmd, err))
continue
else:
num = out.strip().split('=')[-1]
dev_num = '%s:%s' %(major, num)
dev2num_list[dev] = dev_num
return dev2num_list
def getDeviceDetails(self, config):
"""@see DevController.getDeviceDetails"""
uname = config.get('uname', '')
dev = config.get('dev', '')
if 'ioemu:' in dev:
(_, dev) = string.split(dev, ':', 1)
try:
(dev, dev_type) = string.split(dev, ':', 1)
except ValueError:
dev_type = "disk"
if not uname:
if dev_type == 'cdrom':
(typ, params) = ("", "")
else:
raise VmError(
'Block device must have physical details specified')
else:
try:
(typ, params) = string.split(uname, ':', 1)
if not self._isValidProtocol(typ):
raise VmError('Block device type "%s" is invalid.' % typ)
except ValueError:
raise VmError(
'Block device must have physical details specified')
mode = config.get('mode', 'r')
if mode not in ('r', 'w', 'w!'):
raise VmError('Invalid mode')
back = {'dev' : dev,
'type' : typ,
'params' : params,
'mode' : mode,
}
uuid = config.get('uuid')
if uuid:
back['uuid'] = uuid
bootable = config.get('bootable', None)
if bootable != None:
back['bootable'] = str(bootable)
if 'snapshotname' in self.vm.info:
back['snapshot'] = self.vm.info['snapshotname']
self.vm.info.pop('snapshotname')
if security.on() == xsconstants.XS_POLICY_USE:
self.do_access_control(config, uname)
(device_path, devid) = blkif.blkdev_name_to_number(dev)
if devid is None:
raise VmError('Unable to find number for device (%s)' % (dev))
front = { device_path : "%i" % devid,
'device-type' : dev_type
}
protocol = config.get('protocol')
if protocol:
front['protocol'] = protocol
return (devid, back, front)