def child_timed_out(child):
global children
child_write_out(child,"Timed out.")
child.process.terminate();
child.task.end_time = datetime.now()
child.status = scheduledb.ERROR_TIMEOUT
scheduledb.update_task_mult(child.task,[
['end_time',child.end_time],
['status',child.status]
])
if ( child.fout != stdout ):
child.fout.close()
children.remove(child)
def child_died(child, retval):
global children
child.task.end_time = datetime.now()
if ( retval != 0 ): # assume error
child.task.status = scheduledb.ERROR_CRASH
else:
child.task.status = scheduledb.DONE
scheduledb.update_task_mult(child.task,[
['end_time',child.task.end_time],
['status',child.task.status]
])
if ( child.fout != sys.stdout ):
child.fout.close()
children.remove(child)
def child_kill(child):
global children
if child.status != scheduledb.RUNNING:
print "Can't kill task %d because it isn't running"%(child.task.id)
child_write_out(child,"Killed.")
child.process.terminate();
child.task.end_time = datetime.now()
child.status = scheduledb.STOPPED
scheduledb.update_task_mult(child.task,[
['end_time',child.task.end_time],
['status',child.status]
])
if ( child.fout != stdout ):
child.fout.close()
children.remove(child)
def child_write_out(child, msg):
msg = msg.rstrip();
m = statexpr.match(msg)
if m :
child.task.progress_steps_done = m.group('stepd')
child.task.progress_steps_total= m.group('stept')
child.task.step_description = m.group('stepn')
child.task.step_progress_str = m.group('prog')
scheduledb.update_task_mult(child.task,[
['progress_steps_done', child.task.progress_steps_done],
['progress_steps_total', child.task.progress_steps_total],
['step_description', child.task.step_description],
['step_progress_str',child.task.step_progress_str]
])
lines = msg.split('\n')
for line in lines:
print >> child.fout,line
child = ChildProcess()
children.append(child)
child.task = task;
try:
child.fout = open(child.task.log_file,'a',0)
except IOError,msg:
child.fout = sys.stdout
child_write_out(child,"Couldn't open log file for writing: "+str(msg))
try:
child.process = asyncprocess.Popen(shlex.split(task.command), stdin=asyncprocess.PIPE, stderr=asyncprocess.PIPE, stdout=asyncprocess.PIPE, bufsize=1, universal_newlines=True);
child.task.pid = child.process.pid
child.task.status = scheduledb.RUNNING
child.start_time = datetime.now()
scheduledb.update_task_mult(child.task,[['start_time',child.start_time],
['status',child.task.status],
['pid',child.task.pid]
])
except OSError,msg:
child_write_out(child,"Couldn't start process: "+str(msg))
child.process = None;
child_died(child,-1);
def child_timed_out(child):
global children
child_write_out(child,"Timed out.")
child.process.terminate();
child.task.end_time = datetime.now()
child.status = scheduledb.ERROR_TIMEOUT
scheduledb.update_task_mult(child.task,[
['end_time',child.end_time],
['status',child.status]
