def _required(params, name):
if name not in params:
raise exception.MissingParameter()
return params[name]
def require_keys(params, keys):
missing = [key for key in keys if key not in params]
if missing:
raise exception.MissingParameter(missing=missing, params=params)
from __future__ import absolute_import
from __future__ import division
from vdsm.common import exception
# TODO: Drop after callers changed to raise the exceptions
errCode = {
'noVM': exception.NoSuchVM().response(),
'nfsErr': exception.AccessTimeout().response(),
'exist': exception.VMExists().response(),
'noVmType': exception.UnsupportedVMType().response(),
'down': exception.VMIsDown().response(),
'copyerr': exception.CopyFailed().response(),
'sparse': exception.CannotCreateSparse().response(),
'createErr': exception.CannotCreateVM().response(),
'noConPeer': exception.NoConnectionToPeer().response(),
'MissParam': exception.MissingParameter().response(),
'migrateErr': exception.MigrationError().response(),
'imageErr': exception.ImageFileNotFound().response(),
'outOfMem': exception.OutOfMemory().response(),
'unexpected': exception.UnexpectedError().response(),
'unsupFormat': exception.UnsupportedImageFormat().response(),
'ticketErr': exception.SpiceTicketError().response(),
'nonresp': exception.NonResponsiveGuestAgent().response(),
# codes 20-35 are reserved for add/delNetwork
# code 39 was used for:
# wrongHost - migration destination has an invalid hostname
'unavail': exception.ResourceUnavailable().response(),
'changeDisk': exception.ChangeDiskFailed().response(),
'destroyErr': exception.VMDestroyFailed().response(),
'fenceAgent': exception.UnsupportedFenceAgent().response(),
'noimpl': exception.MethodNotImplemented().response(),