mirror of
https://github.com/ansible-collections/community.general.git
synced 2024-09-14 20:13:21 +02:00
163 lines
4 KiB
Python
163 lines
4 KiB
Python
#!/usr/bin/env python
|
|
|
|
import time
|
|
import Queue
|
|
import traceback
|
|
from multiprocessing import Process, Manager, Pipe, RLock
|
|
|
|
from ansible.playbook.play import Play
|
|
from ansible.playbook.task import Task
|
|
|
|
from ansible.utils.display import Display
|
|
display = Display()
|
|
debug = display.debug
|
|
|
|
NUM_WORKERS = 50
|
|
NUM_HOSTS = 2500
|
|
NUM_TASKS = 1
|
|
|
|
class Foo:
|
|
def __init__(self, i, j):
|
|
self._foo = "FOO_%05d_%05d" % (i, j)
|
|
|
|
def __repr__(self):
|
|
return self._foo
|
|
|
|
def __getstate__(self):
|
|
debug("pickling %s" % self._foo)
|
|
return dict(foo=self._foo)
|
|
|
|
def __setstate__(self, data):
|
|
debug("unpickling...")
|
|
self._foo = data.get('foo', "BAD PICKLE!")
|
|
debug("unpickled %s" % self._foo)
|
|
|
|
def results(pipe, workers):
|
|
cur_worker = 0
|
|
def _read_worker_result(cur_worker):
|
|
result = None
|
|
starting_point = cur_worker
|
|
while True:
|
|
(worker_prc, main_pipe, res_pipe) = workers[cur_worker]
|
|
cur_worker += 1
|
|
if cur_worker >= len(workers):
|
|
cur_worker = 0
|
|
|
|
if res_pipe[1].poll(0.01):
|
|
debug("worker %d has data to read" % cur_worker)
|
|
result = res_pipe[1].recv()
|
|
debug("got a result from worker %d: %s" % (cur_worker, result))
|
|
break
|
|
|
|
if cur_worker == starting_point:
|
|
break
|
|
|
|
return (result, cur_worker)
|
|
|
|
while True:
|
|
result = None
|
|
try:
|
|
(result, cur_worker) = _read_worker_result(cur_worker)
|
|
if result is None:
|
|
time.sleep(0.01)
|
|
continue
|
|
pipe.send(result)
|
|
except (IOError, EOFError, KeyboardInterrupt) as e:
|
|
debug("got a breaking error: %s" % e)
|
|
break
|
|
except Exception as e:
|
|
debug("EXCEPTION DURING RESULTS PROCESSING: %s" % e)
|
|
traceback.print_exc()
|
|
break
|
|
|
|
def worker(main_pipe, res_pipe):
|
|
while True:
|
|
foo = None
|
|
try:
|
|
if main_pipe.poll(0.01):
|
|
foo = main_pipe.recv()
|
|
time.sleep(0.07)
|
|
res_pipe.send(foo)
|
|
else:
|
|
time.sleep(0.01)
|
|
except (IOError, EOFError, KeyboardInterrupt), e:
|
|
debug("got a breaking error: %s" % e)
|
|
break
|
|
except Exception, e:
|
|
debug("EXCEPTION DURING WORKER PROCESSING: %s" % e)
|
|
traceback.print_exc()
|
|
break
|
|
|
|
workers = []
|
|
for i in range(NUM_WORKERS):
|
|
(main_p1, main_p2) = Pipe()
|
|
(res_p1, res_p2) = Pipe()
|
|
worker_p = Process(target=worker, args=(main_p2, res_p1))
|
|
worker_p.start()
|
|
workers.append((worker_p, (main_p1, main_p2), (res_p1, res_p2)))
|
|
|
|
in_p, out_p = Pipe()
|
|
res_p = Process(target=results, args=(in_p, workers))
|
|
res_p.start()
|
|
|
|
def send_data(obj):
|
|
global cur_worker
|
|
global workers
|
|
global pending_results
|
|
|
|
(w_proc, main_pipe, res_pipe) = workers[cur_worker]
|
|
cur_worker += 1
|
|
if cur_worker >= len(workers):
|
|
cur_worker = 0
|
|
|
|
pending_results += 1
|
|
main_pipe[0].send(obj)
|
|
|
|
def _process_pending_results():
|
|
global out_p
|
|
global pending_results
|
|
|
|
try:
|
|
#p_lock.acquire()
|
|
while out_p.poll(0.01):
|
|
result = out_p.recv()
|
|
debug("got final result: %s" % (result,))
|
|
pending_results -= 1
|
|
finally:
|
|
#p_lock.release()
|
|
pass
|
|
|
|
def _wait_on_pending_results():
|
|
global pending_results
|
|
while pending_results > 0:
|
|
debug("waiting for pending results (%d left)" % pending_results)
|
|
_process_pending_results()
|
|
time.sleep(0.01)
|
|
|
|
|
|
debug("starting")
|
|
cur_worker = 0
|
|
pending_results = 0
|
|
|
|
sample_play = Play()
|
|
for i in range(NUM_TASKS):
|
|
for j in range(NUM_HOSTS):
|
|
debug("queuing %d, %d" % (i, j))
|
|
send_data(Task().load(dict(name="task %d %d" % (i,j), ping=""), sample_play))
|
|
debug("done queuing %d, %d" % (i, j))
|
|
_process_pending_results()
|
|
debug("waiting for the results to drain...")
|
|
_wait_on_pending_results()
|
|
|
|
in_p.close()
|
|
out_p.close()
|
|
res_p.terminate()
|
|
|
|
for (w_p, main_pipe, res_pipe) in workers:
|
|
res_pipe[1].close()
|
|
res_pipe[0].close()
|
|
main_pipe[1].close()
|
|
main_pipe[0].close()
|
|
w_p.terminate()
|
|
|
|
debug("done")
|