class SsvrAgent:
def __init__(self):
self.event_record = EventRecorder()
def _dispatch(self, method, params):
return dispatch_and_log(self, method, params)
def __do_shred(self, eventid, path, offset_mb, len_mb, dextid, pdskid):
# zero clear disk extent
command = '%s if=/dev/zero of=%s bs=1024k seek=%d count=%d %s' \
% (DD_CMD, path, offset_mb, len_mb, DD_OPTIONS)
try:
executecommand(command)
except Exception, e:
logger.error("do_shred: %s" % (e))
self.event_record.del_event(eventid, needlock = True)
# bug 3082606
# notify_sm("notifyFailure", \
# {'ver': XMLRPC_VERSION, 'target': TARGET['LVOL'], \
# 'targetid': dextid})
notify_sm("notifyFailure", \
{'ver': XMLRPC_VERSION, 'target': TARGET['PDSK'], \
'targetid': pdskid})
return
logger.debug("shred done %d %d" % (eventid, dextid))
self.event_record.set_event_status_and_result(eventid, \
EVENT_STATUS['DONE'], 0, needlock = True)
return
def __init__(self):
self.dag_worker = worker.Worker(16)
self.event_record = EventRecorder()
class HsvrAgent:
def __init__(self):
self.dag_worker = worker.Worker(16)
self.event_record = EventRecorder()
def _dispatch(self, method, params):
return dispatch_and_log(self, method, params)
def attachLogicalVolume(self, data):
eventid, lvolstruct = mand_keys(data, 'eventid', 'lvolstruct')
self.event_record.lock()
if self.event_record.event_exist(eventid):
self.event_record.unlock()
return 0
start_worker(self.__attach_worker, eventid, lvolstruct)
self.event_record.add_event(eventid, EVENT_STATUS['PROGRESS'])
self.event_record.unlock()
return 0
def __attach_worker(self, eventid, lvolstruct):
failed = []
try:
nodes = hsvr_dag.create_dag_from_lvolstruct(lvolstruct, False)
failed = dag.dag_execute(nodes, mynode.mynode_do, \
mynode.mynode_undo, self.dag_worker, mydaglogger)
for n, ei in failed:
t, v, tr = ei
raise t, v
self.event_record.set_event_status_and_result(eventid, EVENT_STATUS['DONE'],\
0, needlock = True)
except Exception:
if failed:
for n, ei in failed:
t, v, tr = ei
logger.error(traceback.format_exception(t, v, tr))
else:
logger.error(traceback.format_exc())
self.event_record.set_event_status_and_result(eventid, EVENT_STATUS['ERROR'], \
500, needlock = True)
return 0
def detachLogicalVolume(self, data):
eventid, lvolstruct = mand_keys(data, 'eventid', 'lvolstruct')
self.event_record.lock()
if self.event_record.event_exist(eventid):
self.event_record.unlock()
return 0
start_worker(self.__detach_worker, eventid, lvolstruct)
self.event_record.add_event(eventid, EVENT_STATUS['PROGRESS'])
self.event_record.unlock()
return 0
def __detach_worker(self, eventid, lvolstruct):
failed = []
try:
nodes = hsvr_dag.create_dag_from_lvolstruct(lvolstruct, True)
failed = dag.dag_execute(nodes, mynode.mynode_undo, noop, \
self.dag_worker, mydaglogger)
for n, ei in failed:
t, v, tr = ei
raise t, v
self.event_record.set_event_status_and_result(eventid, EVENT_STATUS['DONE'], \
0, needlock = True)
except xmlrpclib.Fault, inst:
self.event_record.set_event_status_and_result(eventid, EVENT_STATUS['ERROR'], \
inst.faultCode, needlock = True)
except Exception, inst:
if failed:
for n, ei in failed:
t, v, tr = ei
logger.error(traceback.format_exception(t, v, tr))
else:
logger.error(traceback.format_exc())
if os.path.exists(get_lvol_path_from_lvolstruct(lvolstruct)):
# symlink exists, so nothing done.
# return EBUSY in this case acordings to the protocol between SM
self.event_record.set_event_status_and_result(eventid, \
EVENT_STATUS['ERROR'], errno.EBUSY, needlock = True)
else:
self.event_record.set_event_status_and_result(eventid, \
EVENT_STATUS['ERROR'], 500, needlock = True)
def __init__(self):
self.event_record = EventRecorder()
