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_xml(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_xml(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):
# Get storage device xml
dom = VMModel.get_vm(vm_name, self.conn)
try:
bus_type = self.lookup(vm_name, dev_name)['bus']
except NotFoundError:
raise
dom = VMModel.get_vm(vm_name, self.conn)
if (bus_type not in HOTPLUG_TYPE and
DOM_STATE_MAP[dom.info()[0]] != 'shutoff'):
raise InvalidOperation('KCHVMSTOR0011E')
try:
conn = self.conn.get()
dom = conn.lookupByName(vm_name)
disk = get_device_xml(dom, dev_name)
dom.detachDeviceFlags(etree.tostring(disk),
get_vm_config_flag(dom, 'all'))
except Exception as e:
raise OperationFailed("KCHVMSTOR0010E", {'error': e.message})
def delete(self, vm_name, dev_name):
# Get storage device xml
dom = VMModel.get_vm(vm_name, self.conn)
try:
bus_type = self.lookup(vm_name, dev_name)['bus']
except NotFoundError:
raise
dom = VMModel.get_vm(vm_name, self.conn)
if (bus_type not in HOTPLUG_TYPE
and DOM_STATE_MAP[dom.info()[0]] != 'shutoff'):
raise InvalidOperation('KCHVMSTOR0011E')
try:
conn = self.conn.get()
dom = conn.lookupByName(vm_name)
disk = get_device_xml(dom, dev_name)
dom.detachDeviceFlags(etree.tostring(disk),
libvirt.VIR_DOMAIN_AFFECT_CURRENT)
except Exception as e:
raise OperationFailed("KCHVMSTOR0010E", {'error': e.message})
