def _get_available_bus_address(self, bus_type, vm_name):
if bus_type not in ['ide']:
return dict()
# libvirt limitation of just 1 ide controller
# each controller have at most 2 buses and each bus 2 units.
dom = VMModel.get_vm(vm_name, self.conn)
disks = self.get_list(vm_name)
valid_id = [('0', '0'), ('0', '1'), ('1', '0'), ('1', '1')]
controller_id = '0'
for dev_name in disks:
disk = get_device_node(dom, dev_name)
if disk.target.attrib['bus'] == 'ide':
controller_id = disk.address.attrib['controller']
bus_id = disk.address.attrib['bus']
unit_id = disk.address.attrib['unit']
if (bus_id, unit_id) in valid_id:
valid_id.remove((bus_id, unit_id))
continue
if not valid_id:
raise OperationFailed('KCHVMSTOR0014E',
{'type': 'ide', 'limit': 4})
else:
address = {'controller': controller_id,
'bus': valid_id[0][0], 'unit': valid_id[0][1]}
return dict(address=address)
def _get_available_bus_address(self, bus_type, vm_name):
if bus_type not in ['ide']:
return dict()
# libvirt limitation of just 1 ide controller
# each controller have at most 2 buses and each bus 2 units.
dom = VMModel.get_vm(vm_name, self.conn)
disks = self.get_list(vm_name)
valid_id = [('0', '0'), ('0', '1'), ('1', '0'), ('1', '1')]
controller_id = '0'
for dev_name in disks:
disk = get_device_node(dom, dev_name)
if disk.target.attrib['bus'] == 'ide':
controller_id = disk.address.attrib['controller']
bus_id = disk.address.attrib['bus']
unit_id = disk.address.attrib['unit']
if (bus_id, unit_id) in valid_id:
valid_id.remove((bus_id, unit_id))
continue
if not valid_id:
raise OperationFailed('KCHVMSTOR0014E',
{'type': 'ide', 'limit': 4})
else:
address = {'controller': controller_id,
'bus': valid_id[0][0], 'unit': valid_id[0][1]}
return dict(address=address)
def delete(self, vm_name, dev_name):
try:
bus_type = self.lookup(vm_name, dev_name)['bus']
dom = VMModel.get_vm(vm_name, self.conn)
except NotFoundError:
raise
if (bus_type not in HOTPLUG_TYPE and
DOM_STATE_MAP[dom.info()[0]] != 'shutoff'):
raise InvalidOperation('KCHVMSTOR0011E')
try:
disk = get_device_node(dom, dev_name)
path = get_vm_disk_info(dom, dev_name)['path']
if path is None or len(path) < 1:
path = self.lookup(vm_name, dev_name)['path']
# This has to be done before it's detached. If it wasn't
# in the obj store, its ref count would have been updated
# by get_disk_used_by()
if path is not None:
used_by = get_disk_used_by(self.objstore, self.conn, path)
else:
wok_log.error("Unable to decrement volume used_by on"
" delete because no path could be found.")
dom.detachDeviceFlags(etree.tostring(disk),
get_vm_config_flag(dom, 'all'))
except Exception as e:
raise OperationFailed("KCHVMSTOR0010E", {'error': e.message})
if used_by is not None and vm_name in used_by:
used_by.remove(vm_name)
set_disk_used_by(self.objstore, path, used_by)
else:
wok_log.error("Unable to update %s:%s used_by on delete."
% (vm_name, dev_name))
def delete(self, vm_name, dev_name):
try:
bus_type = self.lookup(vm_name, dev_name)['bus']
dom = VMModel.get_vm(vm_name, self.conn)
except NotFoundError:
raise
if (bus_type not in HOTPLUG_TYPE and
DOM_STATE_MAP[dom.info()[0]] != 'shutoff'):
raise InvalidOperation('KCHVMSTOR0011E')
try:
disk = get_device_node(dom, dev_name)
path = get_vm_disk_info(dom, dev_name)['path']
if path is None or len(path) < 1:
path = self.lookup(vm_name, dev_name)['path']
# This has to be done before it's detached. If it wasn't
# in the obj store, its ref count would have been updated
# by get_disk_used_by()
if path is not None:
used_by = get_disk_used_by(self.objstore, self.conn, path)
else:
wok_log.error("Unable to decrement volume used_by on"
" delete because no path could be found.")
dom.detachDeviceFlags(etree.tostring(disk),
get_vm_config_flag(dom, 'all'))
except Exception as e:
raise OperationFailed("KCHVMSTOR0010E", {'error': e.message})
if used_by is not None and vm_name in used_by:
used_by.remove(vm_name)
set_disk_used_by(self.objstore, path, used_by)
else:
wok_log.error("Unable to update %s:%s used_by on delete."
% (vm_name, dev_name))
