def test_post_task_creates_correct_task_msg(self):
ls_task = ['ls', '-la']
bashtasks = bashtasks_mod.init(host=rabbit_host, port=rabbit_port, usr=rabbit_user, pas=rabbit_pass)
msg = bashtasks.post_task(ls_task)
self.assertEqual(msg['command'], ls_task)
self.assertEqual(msg['reply_to'], TASK_RESPONSES_POOL)
self.assertTrue('correlation_id' in msg)
self.assertTrue('request_ts' in msg)
def test_execute_task_returns_correct_response_msg(self):
try:
p = start_executor_process()
bashtasks = bashtasks_mod.init(host=rabbit_host, port=rabbit_port, usr=rabbit_user, pas=rabbit_pass)
ls_task = ['ls', '-la']
response_msg = bashtasks.execute_task(ls_task)
self.assertTrue('returncode' in response_msg)
self.assertTrue('request_ts' in response_msg)
self.assertEqual(response_msg['command'], ls_task)
self.assertEqual(response_msg['reply_to'], TASK_RESPONSES_POOL)
self.assertTrue('correlation_id' in response_msg)
finally:
kill_executor_process(p)
time.sleep(0.2)
def test_subscribe(self):
ls_task = ['ls', '-la']
response_msg = {}
def start_subscriber():
def on_response_received(msg):
body = json.loads(msg.body.decode('utf-8'))
response_msg.update(body)
msg.ack()
subscriber = bashtasks_mod.init_subscriber(host=rabbit_host,
port=rabbit_port,
usr=rabbit_user, pas=rabbit_pass)
subscriber.subscribe(on_response_received)
try:
# subscribe to responses.
# prepare executor, and send task.
# subscribe to responses and check response arrives
p = start_executor_process()
subscriber_th = threading.Thread(target=start_subscriber,
args=(),
name='subscriber_th')
subscriber_th.daemon = True
subscriber_th.start()
bashtasks = bashtasks_mod.init(host=rabbit_host, port=rabbit_port, usr=rabbit_user, pas=rabbit_pass)
posted_msg = bashtasks.post_task(ls_task)
start_time = time.time()
# give rabbit and subscriber time to work
while 'command' not in response_msg and time.time() - start_time < 10:
sleep(0.1)
self.assertTrue('command' in response_msg, 'expected response_msg to include command')
self.assertEqual(ls_task, response_msg['command'])
except Exception as e:
print('Got exception in test:', repr(e))
import traceback
print(traceback.format_exc())
print('response_msg::::::', repr(response_msg))
finally:
kill_executor_process(p)
time.sleep(0.2)
def test_execute_task_KO_with_nonretries(self):
try:
max_retries = 2
expected_returncode = 2
p = start_executor_process(tasks_nr=max_retries+1)
bashtasks = bashtasks_mod.init(host=rabbit_host, port=rabbit_port, usr=rabbit_user, pas=rabbit_pass)
task = ['grep', 'bye', 'bye']
response_msg = bashtasks.execute_task(task, max_retries=max_retries,
non_retriable=[expected_returncode])
self.assertEqual(response_msg['retries'], 0)
self.assertEqual(response_msg['max_retries'], max_retries)
self.assertEqual(response_msg['returncode'], expected_returncode)
self.assertEqual(response_msg['non_retriable'], [expected_returncode])
except Exception as e:
print 'test_execute_task_KO_with_nonretries', e
raise e
finally:
kill_executor_process(p)
time.sleep(0.2)
def test_execute_task_KO_returns_max_retries(self):
try:
max_retries = 2
p = start_executor_process(tasks_nr=max_retries+1)
bashtasks = bashtasks_mod.init(host=rabbit_host, port=rabbit_port, usr=rabbit_user, pas=rabbit_pass)
ls_task = ['non-existent-command']
response_msg = bashtasks.execute_task(ls_task, max_retries=max_retries)
expect_retries = 'response.retries should be {}'.format(max_retries)
self.assertEqual(response_msg['retries'], max_retries, expect_retries)
expect_max_retries = 'response.max_retries should be {}'.format(max_retries)
self.assertEqual(response_msg['max_retries'], max_retries, expect_max_retries)
expect_returncode = 'response.returncode should be different to {}'.format(max_retries)
self.assertNotEqual(response_msg['returncode'], 0, expect_returncode)
except Exception as e:
print 'test_execute_task_KO_returns_max_retries', e
raise e
finally:
kill_executor_process(p)
time.sleep(0.2)
def test_execute_task_OK_returns_zero_retries(self):
try:
p = start_executor_process()
max_retries = 5
bashtasks = bashtasks_mod.init(host=rabbit_host, port=rabbit_port, usr=rabbit_user, pas=rabbit_pass)
ls_task = ['ls', '-la']
response_msg = bashtasks.execute_task(ls_task, max_retries=max_retries)
expect_retries = 'response.retries should be {}'.format(0)
self.assertEqual(response_msg['retries'], 0, expect_retries)
expect_max_retries = 'response.max_retries should be {}'.format(max_retries)
self.assertEqual(response_msg['max_retries'], max_retries, expect_max_retries)
expect_returncode = 'response.returncode should be {}'.format(0)
self.assertEqual(response_msg['returncode'], 0, expect_returncode)
except Exception as e:
print 'test_execute_task_OK_returns_zero_retries', e
raise e
finally:
kill_executor_process(p)
time.sleep(0.2)
def test_post_task_sends_message(self):
bashtasks = bashtasks_mod.init(host=rabbit_host, port=rabbit_port, usr=rabbit_user, pas=rabbit_pass)
bashtasks.post_task(['ls', '-la'])
body = assertMessageInQueue(TASK_REQUESTS_POOL, host=rabbit_host,port=rabbit_port,
usr=rabbit_user, pas=rabbit_pass)
def test_init_returns_bashtasks(self):
bashtask = bashtasks_mod.init(channel=FakeChannel())
isBashTask = hasattr(bashtask, 'post_task')
self.assertTrue(isBashTask)
def test_execute_task_raises_on_timeout(self):
ls_task = ['ls', '-la']
bashtasks = bashtasks_mod.init(host=rabbit_host, port=rabbit_port, usr=rabbit_user, pas=rabbit_pass)
with self.assertRaises(Exception):
response_msg = bashtasks.execute_task(ls_task, timeout=0.3)
metavar='"destination" (exchange->queue) to send the message to.')
if len(sys.argv) == 1:
parser.print_help()
sys.exit(1)
args = parser.parse_args()
args.command = args.command.split()
def currtimemillis():
return int(round(time.time() * 1000))
start_ts = currtimemillis()
bashtasks = bashtasks_mod.init(host=args.host, port=args.port, usr=args.usr, pas=args.pas)
if args.fire_and_forget:
bashtasks.post_task(args.command, max_retries=args.max_retries, destination=args.destination)
sys.exit(0)
response_msg = bashtasks.execute_task(args.command, max_retries=args.max_retries,
destination=args.destination)
total_time = currtimemillis() - response_msg['request_ts']
command_time = response_msg['post_command_ts'] - response_msg['pre_command_ts']
print('=======================================================================================')
print("received response: returncode : " + str(response_msg['returncode']))
print(" command : " + ' '.join(response_msg['command']))
print(" executor : " + response_msg['executor_name'])
print(" retries : " + str(response_msg['retries']))