def destroyDevice(self, devid):
try:
DevController.destroyDevice(self, int(devid))
time.sleep(5)
t = xstransact()
frontpath = self.frontendPath(int(devid))
backpath = t.Read(frontpath, "backend")
if backpath:
t.Remove(backpath)
log.debug('in try: removed %s' % backpath)
t.Remove(frontpath)
log.debug('in try: removed %s' % frontpath)
except ValueError:
devid_end = type(devid) is str and devid.split('/')[-1] or None
for i in self.deviceIDs():
d = self.readBackend(i, 'dev')
if d == devid or (devid_end and d == devid_end):
DevController.destroyDevice(self, i)
time.sleep(5)
frontpath = self.frontendPath(int(devid))
backpath = t.Read(frontpath, "backend")
if backpath:
t.Remove(backpath)
log.debug('in err: removed %s' % backpath)
t.Remove(frontpath)
log.debug('in err: removed %s' % frontpath)
return
raise VmError("Device %s not connected" % devid)
def destroyDevice(self, devid):
try:
DevController.destroyDevice(self, int(devid))
time.sleep(5)
t = xstransact()
frontpath = self.frontendPath(int(devid))
backpath = t.Read(frontpath, "backend")
if backpath:
t.Remove(backpath)
log.debug("in try: removed %s" % backpath)
t.Remove(frontpath)
log.debug("in try: removed %s" % frontpath)
except ValueError:
devid_end = type(devid) is str and devid.split("/")[-1] or None
for i in self.deviceIDs():
d = self.readBackend(i, "dev")
if d == devid or (devid_end and d == devid_end):
DevController.destroyDevice(self, i)
time.sleep(5)
frontpath = self.frontendPath(int(devid))
backpath = t.Read(frontpath, "backend")
if backpath:
t.Remove(backpath)
log.debug("in err: removed %s" % backpath)
t.Remove(frontpath)
log.debug("in err: removed %s" % frontpath)
return
raise VmError("Device %s not connected" % devid)
def createDevice(self, config):
"""Trigger the creation of a device with the given configuration.
@return The ID for the newly created device.
"""
(devid, back, front) = self.getDeviceDetails(config)
if devid is None:
return 0
(backpath, frontpath) = self.addStoreEntries(config, devid, back,
front)
import xen.xend.XendDomain
count = 0
while True:
t = xstransact()
try:
if devid in self.deviceIDs(t):
if 'dev' in back:
dev_str = '%s (%d, %s)' % (back['dev'], devid,
self.deviceClass)
else:
dev_str = '%s (%s)' % (devid, self.deviceClass)
raise VmError("Device %s is already connected." % dev_str)
if count == 0:
log.debug('DevController: writing %s to %s.', str(front),
frontpath)
log.debug('DevController: writing %s to %s.', str(back),
backpath)
elif count % 50 == 0:
log.debug(
'DevController: still waiting to write device entries.')
t.remove(frontpath)
t.remove(backpath)
t.mkdir(backpath)
t.set_permissions(backpath,
{'dom': xen.xend.XendDomain.PRIV_DOMAIN },
{'dom' : self.vm.getDomid(),
'read' : True })
t.write2(frontpath, front)
t.write2(backpath, back)
if t.commit():
return devid
count += 1
except:
t.abort()
raise
def createDevice(self, config):
"""Trigger the creation of a device with the given configuration.
@return The ID for the newly created device.
"""
(devid, back, front) = self.getDeviceDetails(config)
if devid is None:
return 0
self.setupDevice(config)
(backpath, frontpath) = self.addStoreEntries(config, devid, back,
front)
import xen.xend.XendDomain
xd = xen.xend.XendDomain.instance()
backdom_name = config.get('backend')
if backdom_name is None:
backdom = xen.xend.XendDomain.DOM0_ID
else:
bd = xd.domain_lookup_nr(backdom_name)
backdom = bd.getDomid()
count = 0
while True:
t = xstransact()
try:
if devid in self.deviceIDs(t):
if 'dev' in back:
dev_str = '%s (%d, %s)' % (back['dev'], devid,
self.deviceClass)
else:
dev_str = '%s (%s)' % (devid, self.deviceClass)
raise VmError("Device %s is already connected." % dev_str)
if count == 0:
log.debug('DevController: writing %s to %s.', str(front),
frontpath)
log.debug('DevController: writing %s to %s.',
str(xen.xend.XendConfig.scrub_password(back)),
backpath)
elif count % 50 == 0:
log.debug(
'DevController: still waiting to write device entries.'
)
devpath = self.devicePath(devid)
t.remove(frontpath)
t.remove(backpath)
t.remove(devpath)
t.mkdir(backpath)
t.set_permissions(backpath, {'dom': backdom}, {
'dom': self.vm.getDomid(),
'read': True
})
t.mkdir(frontpath)
t.set_permissions(frontpath, {'dom': self.vm.getDomid()}, {
'dom': backdom,
'read': True
})
t.write2(frontpath, front)
t.write2(backpath, back)
t.mkdir(devpath)
t.write2(
devpath, {
'backend': backpath,
'backend-id': "%i" % backdom,
'frontend': frontpath,
'frontend-id': "%i" % self.vm.getDomid()
})
if t.commit():
return devid
count += 1
except:
t.abort()
raise
def createDevice(self, config):
"""Trigger the creation of a device with the given configuration.
@return The ID for the newly created device.
"""
(devid, back, front) = self.getDeviceDetails(config)
if devid is None:
return 0
self.setupDevice(config)
(backpath, frontpath) = self.addStoreEntries(config, devid, back,
front)
import xen.xend.XendDomain
xd = xen.xend.XendDomain.instance()
backdom_name = config.get('backend')
if backdom_name is None:
backdom = xen.xend.XendDomain.DOM0_ID
else:
bd = xd.domain_lookup_nr(backdom_name)
backdom = bd.getDomid()
count = 0
while True:
t = xstransact()
try:
if devid in self.deviceIDs(t):
if 'dev' in back:
dev_str = '%s (%d, %s)' % (back['dev'], devid,
self.deviceClass)
else:
dev_str = '%s (%s)' % (devid, self.deviceClass)
raise VmError("Device %s is already connected." % dev_str)
if count == 0:
log.debug('DevController: writing %s to %s.',
str(front), frontpath)
log.debug('DevController: writing %s to %s.',
str(xen.xend.XendConfig.scrub_password(back)), backpath)
elif count % 50 == 0:
log.debug(
'DevController: still waiting to write device entries.')
devpath = self.devicePath(devid)
t.remove(frontpath)
t.remove(backpath)
t.remove(devpath)
t.mkdir(backpath)
t.set_permissions(backpath,
{'dom': backdom },
{'dom' : self.vm.getDomid(),
'read' : True })
t.mkdir(frontpath)
t.set_permissions(frontpath,
{'dom': self.vm.getDomid()},
{'dom': backdom, 'read': True})
t.write2(frontpath, front)
t.write2(backpath, back)
t.mkdir(devpath)
t.write2(devpath, {
'backend' : backpath,
'backend-id' : "%i" % backdom,
'frontend' : frontpath,
'frontend-id' : "%i" % self.vm.getDomid()
})
if t.commit():
return devid
count += 1
except:
t.abort()
raise
