def waken_swarm(self):
"""
Waken all slave hosts to run swarm-s and send args to them.
Synchronize data if need.
"""
if self._args.waken_cmd!='':
LOG.info('send waken command "%s"to swarm'%(self._args.waken_cmd.replace('ARGS',
'-p %d'%self._args.s_port)))
self._send2slave(self._args.waken_cmd.replace('ARGS','-p %d'%self._args.s_port))
LOG.log(REPORT,'sending waken command completed')
LOG.info('try to detect swarm status')
# time for slave host to create listen on target port
time.sleep(2)
s_args=self._parse_args_for_swarm()
if self._args.sync_data==True:
s_args+='__SYNC__'
else:
s_args+='__CEND__'
r=self._send2swarm_r(s_args)
self._swarm_num=len(r)
LOG.log(REPORT,'waken %d slaves in swarm'%self._swarm_num)
if self._swarm_num==0:
raise SwarmNetException('no salve can work now. mission terminates')
# do data sync here
if self._args.sync_data==True:
LOG.info('begin to synchronize data...')
self._sync_data()
LOG.info('data synchronize completed')
def waken_swarm(self):
"""
Waken all slave hosts to run swarm-s and send args to them.
Synchronize data if need.
"""
if self._args.waken_cmd != '':
LOG.info('send waken command "%s"to swarm' %
(self._args.waken_cmd.replace(
'ARGS', '-p %d' % self._args.s_port)))
self._send2slave(
self._args.waken_cmd.replace('ARGS',
'-p %d' % self._args.s_port))
LOG.log(REPORT, 'sending waken command completed')
LOG.info('try to detect swarm status')
# time for slave host to create listen on target port
time.sleep(2)
s_args = self._parse_args_for_swarm()
if self._args.sync_data == True:
s_args += '__SYNC__'
else:
s_args += '__CEND__'
r = self._send2swarm_r(s_args)
self._swarm_num = len(r)
LOG.log(REPORT, 'waken %d slaves in swarm' % self._swarm_num)
if self._swarm_num == 0:
raise SwarmNetException(
'no salve can work now. mission terminates')
# do data sync here
if self._args.sync_data == True:
LOG.info('begin to synchronize data...')
self._sync_data()
LOG.info('data synchronize completed')
def get_result(self):
"""
Get result from result queue, do task index confirm meanwhile
Return '' if all tasks have been confirmed
Raises:
Queue.Empty: can not get response within timeout
"""
# check whether all task has been confirmed
# if so, return ''
if self._task_confirm_num==self._cur_task_num:
return ''
# may throw Queue.Empty here
task_result=self._result_queue.get(block=True,timeout=self._timeout)
resultl=task_result.split('|')
index=int(resultl[1],10)
result=resultl[2]
# do confirm
# if it is duplicate, try to get result again
if self._task_confirm_list[index]!=0:
return self.get_result()
self._task_confirm_list[index]=1
self._task_confirm_num+=1
LOG.log(REPORT,'task index:%d result:%s'%(index,result))
return result
def __init__(self, args):
self._args=args
self._swarm_num=0
try:
LOG.info('begin to parse target list')
# parse target list
self._args.target_list=getlist(args.target,args.target_file)
LOG.log(REPORT,'target list parse completed')
except SwarmBaseException as e:
raise SwarmUseException('parse target error: '+str(e))
try:
LOG.info('begin to parse swarm list')
# parse swarm list
if args.waken_cmd!='':
self._swarm_list,self._swarm_port_list=getswarmlist(args.swarm,args.swarm_file)
else:
self._swarm_list=getlist(args.swarm,args.swarm_file)
LOG.log(REPORT,'swarm list parse completed')
except SwarmBaseException as e:
raise SwarmUseException('parse swarm error: '+str(e))
def __init__(self, args):
self._args = args
self._swarm_num = 0
try:
LOG.info('begin to parse target list')
# parse target list
self._args.target_list = getlist(args.target, args.target_file)
LOG.log(REPORT, 'target list parse completed')
except SwarmBaseException as e:
raise SwarmUseException('parse target error: ' + str(e))
try:
LOG.info('begin to parse swarm list')
# parse swarm list
if args.waken_cmd != '':
self._swarm_list, self._swarm_port_list = getswarmlist(
args.swarm, args.swarm_file)
else:
self._swarm_list = getlist(args.swarm, args.swarm_file)
LOG.log(REPORT, 'swarm list parse completed')
except SwarmBaseException as e:
raise SwarmUseException('parse swarm error: ' + str(e))
def parse_distribute_task(self):
# do some common check here
if self._args.task_granularity < 0 or self._args.task_granularity > 3:
raise SwarmUseException(
'invalid task granularity, it should be one number of 1-3')
if self._args.process_num < 0:
raise SwarmUseException('process number can not be negative')
if self._args.thread_num <= 0:
raise SwarmUseException('thread number should be positive')
# connect to db server
LOG.info('try to connect to db server: %s:%d' %
(self._args.db_addr, self._args.db_port))
self._args.db, self._args.coll = init_db(self._args.db_addr,
self._args.db_port,
self._args.mod)
LOG.info('Connection to db server completed')
# start the manager
self._manager = MSwarmManager(self._args.timeout,
address=('', self._args.m_port),
authkey=self._args.authkey)
try:
module = importlib.import_module('modules.' + self._args.mod +
'.' + self._args.mod)
except ImportError as e:
raise SwarmModuleException('an error occured when load module:' +
self._args.mod)
LOG.info('load module: ' + self._args.mod)
LOG.info('begin to decompose task...')
mod_master = getattr(module, 'Master')(self._args)
# begin first round of tasks decomposition and distribution
roundn = 0
self._manager.init_task_statistics()
while True:
subtaskl = mod_master.generate_subtasks()
taskn = len(subtaskl)
if taskn == 0:
break
roundn += 1
LOG.log(REPORT, 'begin round %d' % roundn)
LOG.info('round %d: put task into queue...' % roundn)
for cur in subtaskl:
self._manager.put_task(self._args.mod, cur)
LOG.log(
REPORT, 'round %d: %d tasks have been put into queue' %
(roundn, taskn))
LOG.info('round %d: get result from swarm...' % roundn)
# get result
confirmedn = 0
self._manager.prepare_get_result()
while True:
try:
result = self._manager.get_result()
if result == '':
break
confirmedn += 1
LOG.log(
REPORT, 'round %d: %d/%d tasks have been completed' %
(roundn, confirmedn, taskn))
mod_master.handle_result(result)
except Queue.Empty as e:
# check number of slave host, if someone has lost response, reorganize tasks
# in queue.
LOG.info('try to detect swarm status')
r = self._send2swarm_r('ack')
if len(r) < self._swarm_num:
LOG.warning(
'%d of swarm has lost response. now total swarm:%d'
% (self._swarm_num - len(r), len(r)))
self._swarm_num = len(r)
# if no swarm left
if self._swarm_num == 0:
raise SwarmSlaveException(
'no swarm left. task failed')
LOG.log(REPORT, 'reorganize tasks in queue...')
self._manager.reorganize_tasks()
LOG.log(REPORT, 'reorganization completed')
else:
LOG.log(
REPORT, 'all swarm works fine. now num: %d' %
self._swarm_num)
# continue
LOG.log(REPORT, 'round %d over' % roundn)
LOG.log(REPORT, 'all tasks have been comfirmed')
# do final report now
mod_master.report()
self._shutdown()
def parse_distribute_task(self):
# do some common check here
if self._args.task_granularity<0 or self._args.task_granularity>3:
raise SwarmUseException('invalid task granularity, it should be one number of 1-3')
if self._args.process_num<0:
raise SwarmUseException('process number can not be negative')
if self._args.thread_num<=0:
raise SwarmUseException('thread number should be positive')
# connect to db server
LOG.info('try to connect to db server: %s:%d'%(self._args.db_addr,self._args.db_port))
self._args.db,self._args.coll=init_db(self._args.db_addr,self._args.db_port,self._args.mod)
LOG.info('Connection to db server completed')
# start the manager
self._manager=MSwarmManager(self._args.timeout,address=('', self._args.m_port),
authkey=self._args.authkey)
try:
module=importlib.import_module('modules.'+self._args.mod+'.'+self._args.mod)
except ImportError as e:
raise SwarmModuleException('an error occured when load module:'+self._args.mod)
LOG.info('load module: '+self._args.mod)
LOG.info('begin to decompose task...')
mod_master=getattr(module,'Master')(self._args)
# begin first round of tasks decomposition and distribution
roundn=0
self._manager.init_task_statistics()
while True:
subtaskl=mod_master.generate_subtasks()
taskn=len(subtaskl)
if taskn==0:
break
roundn+=1
LOG.log(REPORT,'begin round %d'%roundn)
LOG.info('round %d: put task into queue...'%roundn)
for cur in subtaskl:
self._manager.put_task(self._args.mod,cur)
LOG.log(REPORT,'round %d: %d tasks have been put into queue'%(roundn,taskn))
LOG.info('round %d: get result from swarm...'%roundn)
# get result
confirmedn=0
self._manager.prepare_get_result()
while True:
try:
result=self._manager.get_result()
if result=='':
break
confirmedn+=1
LOG.log(REPORT,'round %d: %d/%d tasks have been completed'%(roundn,
confirmedn,taskn))
mod_master.handle_result(result)
except Queue.Empty as e:
# check number of slave host, if someone has lost response, reorganize tasks
# in queue.
LOG.info('try to detect swarm status')
r=self._send2swarm_r('ack')
if len(r)<self._swarm_num:
LOG.warning('%d of swarm has lost response. now total swarm:%d'
%(self._swarm_num-len(r),len(r)))
self._swarm_num=len(r)
# if no swarm left
if self._swarm_num==0:
raise SwarmSlaveException('no swarm left. task failed')
LOG.log(REPORT,'reorganize tasks in queue...')
self._manager.reorganize_tasks()
LOG.log(REPORT,'reorganization completed')
else:
LOG.log(REPORT,'all swarm works fine. now num: %d'%self._swarm_num)
# continue
LOG.log(REPORT,'round %d over'%roundn)
LOG.log(REPORT,'all tasks have been comfirmed')
# do final report now
mod_master.report()
self._shutdown()
def report(self): LOG.log(REPORT,'result:%s'%self._scan_result)
