Nader Arbabian
268 lines
7.8 KiB
Python
268 lines
7.8 KiB
Python
import os
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import time
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import argparse
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from typing import Callable, List, Dict, Tuple, Dict, Any, Type
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from time import sleep
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import threading
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from enum import Enum
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from collections import Counter
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from dataclasses import dataclass, field, asdict
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from urllib.parse import urljoin
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import requests
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from lib.data_types import AuthData, ApiPayload
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class ClientStatus(Enum):
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FetchEndpoint = 1
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Generating = 2
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Done = 3
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Error = 4
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total_success = 0
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last_res = []
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stop_event = threading.Event()
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start_time = time.time()
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test_args = argparse.ArgumentParser(description="Test inference endpoint")
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test_args.add_argument(
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"-k", dest="api_key", type=str, required=True, help="Your vast account API key"
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)
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test_args.add_argument(
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"-e",
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dest="endpoint_group_name",
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type=str,
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required=True,
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help="Endpoint group name",
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)
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test_args.add_argument(
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"-l",
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dest="server_url",
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action="store_const",
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const="http://localhost:8081",
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default="https://run.vast.ai",
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help="Call local autoscaler instead of prod, for dev use only",
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)
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GetPayloadAndWorkload = Callable[[], Tuple[Dict[str, Any], float]]
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def print_truncate_res(res: str):
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if len(res) > 150:
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print(f"{res[:50]}....{res[-100:]}")
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else:
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print(res)
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@dataclass
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class ClientState:
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endpoint_group_name: str
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api_key: str
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server_url: str
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worker_endpoint: str
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payload: ApiPayload
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url: str = ""
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status: ClientStatus = ClientStatus.FetchEndpoint
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as_error: List[str] = field(default_factory=list)
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infer_error: List[str] = field(default_factory=list)
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conn_errors: Counter = field(default_factory=Counter)
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def make_call(self):
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self.status = ClientStatus.FetchEndpoint
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route_payload = {
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"endpoint": self.endpoint_group_name,
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"api_key": self.api_key,
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"cost": self.payload.count_workload(),
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}
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response = requests.post(
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urljoin(self.server_url, "/route/"),
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json=route_payload,
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timeout=4,
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)
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if response.status_code != 200:
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self.as_error.append(
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f"code: {response.status_code}, body: {response.text}",
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)
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self.status = ClientStatus.Error
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return
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message = response.json()
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worker_address = message["url"]
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req_data = dict(
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payload=asdict(self.payload),
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auth_data=asdict(AuthData.from_json_msg(message)),
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)
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self.url = worker_address
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url = urljoin(worker_address, self.worker_endpoint)
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self.status = ClientStatus.Generating
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response = requests.post(
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url,
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json=req_data,
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)
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if response.status_code != 200:
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self.infer_error.append(
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f"code: {response.status_code}, body: {response.text}, url: {url}",
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)
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self.status = ClientStatus.Error
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return
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res = str(response.json())
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global total_success
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global last_res
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total_success += 1
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last_res.append(res)
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self.status = ClientStatus.Done
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def simulate_user(self) -> None:
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try:
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self.make_call()
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except Exception as e:
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self.status = ClientStatus.Error
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_ = e
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self.conn_errors[self.url] += 1
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def print_state(clients: List[ClientState], num_clients: int) -> None:
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print("starting up...")
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sleep(2)
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center_size = 14
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global start_time
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while len(clients) < num_clients or (
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any(
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map(
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lambda client: client.status
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in [ClientStatus.FetchEndpoint, ClientStatus.Generating],
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clients,
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)
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)
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):
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sleep(0.5)
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os.system("clear")
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print(
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" | ".join(
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[member.name.center(center_size) for member in ClientStatus]
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+ [
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item.center(center_size)
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for item in [
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"urls",
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"as_error",
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"infer_error",
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"conn_error",
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"total_success",
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]
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]
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)
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)
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unique_urls = len(set([c.url for c in clients if c.url != ""]))
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as_errors = sum(
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map(
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lambda client: len(client.as_error),
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[client for client in clients],
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)
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)
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infer_errors = sum(
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map(
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lambda client: len(client.infer_error),
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[client for client in clients],
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)
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)
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conn_errors = sum([client.conn_errors for client in clients], start=Counter())
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conn_errors_str = ",".join(map(str, conn_errors.values())) or "0"
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elapsed = time.time() - start_time
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print(
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" | ".join(
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map(
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lambda item: str(item).center(center_size),
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[
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len(list(filter(lambda x: x.status == member, clients)))
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for member in ClientStatus
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]
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+ [
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unique_urls,
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as_errors,
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infer_errors,
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conn_errors_str,
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f"{total_success}({((total_success/elapsed) * 60):.2f}/minute)",
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],
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)
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)
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)
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if conn_errors:
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print("conn_errors:")
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for url, count in conn_errors.items():
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print(url.ljust(28), ": ", str(count))
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elapsed = time.time() - start_time
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print(f"\n elapsed: {int(elapsed // 60)}:{int(elapsed % 60)}")
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if last_res:
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for i, res in enumerate(last_res[-10:]):
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print_truncate_res(f"res #{1+i+max(len(last_res )-10,0)}: {res}")
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if stop_event.is_set():
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print("\n### waiting for existing connections to close ###")
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def run_test(
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num_requests: int,
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requests_per_second: int,
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endpoint_group_name: str,
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api_key: str,
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server_url: str,
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worker_endpoint: str,
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payload_cls: Type[ApiPayload],
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):
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threads = []
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clients = []
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print_thread = threading.Thread(target=print_state, args=(clients, num_requests))
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print_thread.daemon = True # makes threads get killed on program exit
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print_thread.start()
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try:
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for _ in range(num_requests):
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client = ClientState(
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endpoint_group_name=endpoint_group_name,
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api_key=api_key,
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server_url=server_url,
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worker_endpoint=worker_endpoint,
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payload=payload_cls.for_test(),
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)
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clients.append(client)
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thread = threading.Thread(target=client.simulate_user, args=())
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threads.append(thread)
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thread.start()
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sleep(1 / requests_per_second)
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for thread in threads:
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thread.join()
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print("done spawning workers")
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except KeyboardInterrupt:
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stop_event.set()
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def test_load_cmd(
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payload_cls: Type[ApiPayload], endpoint: str, arg_parser: argparse.ArgumentParser
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):
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arg_parser.add_argument(
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"-n",
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dest="num_requests",
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type=int,
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required=True,
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help="total number of requests",
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)
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arg_parser.add_argument(
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"-rps",
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dest="requests_per_second",
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type=float,
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required=True,
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help="requests per second",
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)
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args = arg_parser.parse_args()
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if hasattr(args, "comfy_model"):
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os.environ["COMFY_MODEL"] = args.comfy_model
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run_test(
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num_requests=args.num_requests,
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requests_per_second=args.requests_per_second,
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api_key=args.api_key,
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server_url=args.server_url,
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endpoint_group_name=args.endpoint_group_name,
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worker_endpoint=endpoint,
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payload_cls=payload_cls,
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)
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