Locust.io, como eu poderia usar diferentes usuários no locust.io sem que o sistema bugasse quando eu iniciasse/parasse para uma nova execução

Aug 19 2020

Eu tenho esse código que funciona bem para a primeira execução em um servidor implantado locust.io, mas quando inicio/paro para fazer uma nova execução, recebo vários erros em relação à lista. Você poderia me ajudar a ser capaz de pedalar?

from locust import HttpUser, task, between, SequentialTaskSet, events
import uuid
import json
import csv
import logging, sys, random, os

with open('somecsv.csv', 'r') as f:
    reader = csv.reader(f)
    user= list(reader)
    #print(user)

class somethingclass(SequentialTaskSet):

    def on_start(self):
        if len(user) > 0:
            self.id= str(user.pop()).strip("][''")

    @task
    def someting(self):
        do something with self.id request
  
    @task
    def someting2(self):
        do something with self.id request
                        


class Main(HttpUser):
    
    wait_time = between(5, 10)
    tasks = [somethingclass]
    
    def _init_(self, *args, **kwargs):
        super(Main, self)._init_(*args, **kwargs)

os erros são:

[2020-08-18 23:06:50,899] PC/ERROR/locust.user.task: objeto 'somethingclass' não tem atributo 'id' Traceback (última chamada mais recente): Arquivo "c:\windows\system32\src \locust\locust\user\task.py", linha 284, em executar self.execute_next_task() Arquivo "c:\windows\system32\src\locust\locust\user\task.py", linha 309, em execute_next_task self .execute_task(self._task_queue.pop(0)) Arquivo "c:\windows\system32\src\locust\locust\user\task.py", linha 321, em execute_task task(self) Arquivo "C:\Users\ user\Desktop\Work\Chipico Chip Transfer\chiptransfer_load.py", linha 44, em algo "uuid": '%s' % self.id, AttributeError: 'somethingclass' object has no attribute 'id'

Respostas

1 Solowalker Aug 19 2020 at 03:57

Você pode usar os eventos test_start e test_stop para redefinir seus userdados.

from locust import User, task, constant, TaskSet, events
from logging import getLogger
import uuid

logger = getLogger("test")
user = []

@events.test_start.add_listener
def start_something(**kwargs):
    logger.info("Starting test...")
    user.append(uuid.uuid4())

class somethingclass(TaskSet):
    @task
    def do_something(self):
        logger.info(f"User: {user}")

class Main(User):
    wait_time = constant(2)
    tasks = [somethingclass]

Isso me dá a seguinte saída com várias paradas e partidas de testes.

[2020-08-18 16:14:12,549] INFO/locust.main: Starting web interface at http://:8089
[2020-08-18 16:14:12,557] INFO/locust.main: Starting Locust 1.1.1
[2020-08-18 16:14:15,759] INFO/test: Starting test...
[2020-08-18 16:14:15,759] INFO/locust.runners: Hatching and swarming 1 users at the rate 1 users/s (0 users already running)...
[2020-08-18 16:14:15,759] INFO/locust.runners: All users hatched: Main: 1 (0 already running)
[2020-08-18 16:14:15,760] INFO/test: User: [UUID('f4e9d580-af4a-4fb7-804a-372faa8fcacd')]
[2020-08-18 16:14:17,764] INFO/test: User: [UUID('f4e9d580-af4a-4fb7-804a-372faa8fcacd')]
[2020-08-18 16:14:19,765] INFO/test: User: [UUID('f4e9d580-af4a-4fb7-804a-372faa8fcacd')]
[2020-08-18 16:14:21,767] INFO/test: User: [UUID('f4e9d580-af4a-4fb7-804a-372faa8fcacd')]
[2020-08-18 16:14:28,674] INFO/test: Starting test...
[2020-08-18 16:14:28,675] INFO/locust.runners: Hatching and swarming 1 users at the rate 1 users/s (0 users already running)...
[2020-08-18 16:14:28,675] INFO/locust.runners: All users hatched: Main: 1 (0 already running)
[2020-08-18 16:14:28,675] INFO/test: User: [UUID('f4e9d580-af4a-4fb7-804a-372faa8fcacd'), UUID('c061117e-f585-4da6-8188-59a0e1ff8acb')]
[2020-08-18 16:14:30,679] INFO/test: User: [UUID('f4e9d580-af4a-4fb7-804a-372faa8fcacd'), UUID('c061117e-f585-4da6-8188-59a0e1ff8acb')]
[2020-08-18 16:14:32,682] INFO/test: User: [UUID('f4e9d580-af4a-4fb7-804a-372faa8fcacd'), UUID('c061117e-f585-4da6-8188-59a0e1ff8acb')]
[2020-08-18 16:14:34,688] INFO/test: User: [UUID('f4e9d580-af4a-4fb7-804a-372faa8fcacd'), UUID('c061117e-f585-4da6-8188-59a0e1ff8acb')]
[2020-08-18 16:14:38,426] INFO/test: Starting test...
[2020-08-18 16:14:38,427] INFO/locust.runners: Hatching and swarming 1 users at the rate 1 users/s (0 users already running)...
[2020-08-18 16:14:38,427] INFO/locust.runners: All users hatched: Main: 1 (0 already running)
[2020-08-18 16:14:38,428] INFO/test: User: [UUID('f4e9d580-af4a-4fb7-804a-372faa8fcacd'), UUID('c061117e-f585-4da6-8188-59a0e1ff8acb'), UUID('cfd2a456-87d4-4cb2-b7d2-939bb1dfc560')]
[2020-08-18 16:14:40,433] INFO/test: User: [UUID('f4e9d580-af4a-4fb7-804a-372faa8fcacd'), UUID('c061117e-f585-4da6-8188-59a0e1ff8acb'), UUID('cfd2a456-87d4-4cb2-b7d2-939bb1dfc560')]
RazvanRistea Aug 19 2020 at 14:55

from locust import User, task, constant, TaskSet, events from logging import getLogger import uuid

registrador = getLogger("teste") usuário = []

@events.test_start.add_listener def start_something(**kwargs): logger.info("Iniciando teste...") user.append(uuid.uuid4())

classe algoclass(TaskSet): @task def do_something(self): logger.info(f"Usuário: {usuário}")

class Main(User): wait_time = constant(2) tasks = [somethingclass]

é a resposta correta