249 lines
9.4 KiB
Python
249 lines
9.4 KiB
Python
import os
|
|
import re
|
|
import sys
|
|
from pathlib import Path
|
|
from threading import Thread
|
|
|
|
import openai
|
|
import simplejson as json
|
|
from flask import Flask, jsonify, render_template, request
|
|
|
|
import llm_server
|
|
from llm_server.database.conn import db_pool
|
|
from llm_server.database.create import create_db
|
|
from llm_server.database.database import get_number_of_rows
|
|
from llm_server.llm import get_token_count
|
|
from llm_server.routes.openai import openai_bp
|
|
from llm_server.routes.server_error import handle_server_error
|
|
from llm_server.routes.v1 import bp
|
|
from llm_server.stream import init_socketio
|
|
|
|
# TODO: make sure the OpenAI moderation endpoint scans the last n messages rather than only the last one (make that threaded)
|
|
# TODO: support turbo-instruct on openai endpoint
|
|
# TODO: option to trim context in openai mode so that we silently fit the model's context
|
|
# TODO: validate system tokens before excluding them
|
|
# TODO: make sure prompts are logged even when the user cancels generation
|
|
# TODO: add some sort of loadbalancer to send requests to a group of backends
|
|
# TODO: use the current estimated wait time for ratelimit headers on openai
|
|
|
|
# TODO: make sure log_prompt() is used everywhere, including errors and invalid requests
|
|
# TODO: unify logging thread in a function and use async/await instead
|
|
# TODO: add more excluding to SYSTEM__ tokens
|
|
|
|
|
|
try:
|
|
import vllm
|
|
except ModuleNotFoundError as e:
|
|
print('Could not import vllm-gptq:', e)
|
|
print('Please see README.md for install instructions.')
|
|
sys.exit(1)
|
|
|
|
import config
|
|
from llm_server import opts
|
|
from llm_server.config import ConfigLoader, config_default_vars, config_required_vars, mode_ui_names
|
|
from llm_server.helpers import resolve_path, auto_set_base_client_api
|
|
from llm_server.llm.vllm.info import vllm_info
|
|
from llm_server.routes.cache import cache, redis
|
|
from llm_server.routes.queue import start_workers
|
|
from llm_server.routes.stats import SemaphoreCheckerThread, get_active_gen_workers, process_avg_gen_time
|
|
from llm_server.routes.v1.generate_stats import generate_stats
|
|
from llm_server.threads import MainBackgroundThread, cache_stats
|
|
|
|
script_path = os.path.dirname(os.path.realpath(__file__))
|
|
|
|
app = Flask(__name__)
|
|
init_socketio(app)
|
|
app.register_blueprint(bp, url_prefix='/api/v1/')
|
|
app.register_blueprint(openai_bp, url_prefix='/api/openai/v1/')
|
|
cache.init_app(app)
|
|
cache.clear() # clear redis cache
|
|
|
|
config_path_environ = os.getenv("CONFIG_PATH")
|
|
if config_path_environ:
|
|
config_path = config_path_environ
|
|
else:
|
|
config_path = Path(script_path, 'config', 'config.yml')
|
|
|
|
config_loader = ConfigLoader(config_path, config_default_vars, config_required_vars)
|
|
success, config, msg = config_loader.load_config()
|
|
if not success:
|
|
print('Failed to load config:', msg)
|
|
sys.exit(1)
|
|
|
|
# Resolve relative directory to the directory of the script
|
|
if config['database_path'].startswith('./'):
|
|
config['database_path'] = resolve_path(script_path, config['database_path'].strip('./'))
|
|
|
|
db_pool.init_db(config['mysql']['host'], config['mysql']['username'], config['mysql']['password'], config['mysql']['database'])
|
|
create_db()
|
|
|
|
if config['mode'] not in ['oobabooga', 'vllm']:
|
|
print('Unknown mode:', config['mode'])
|
|
sys.exit(1)
|
|
|
|
# TODO: this is a MESS
|
|
opts.mode = config['mode']
|
|
opts.auth_required = config['auth_required']
|
|
opts.log_prompts = config['log_prompts']
|
|
opts.concurrent_gens = config['concurrent_gens']
|
|
opts.frontend_api_client = config['frontend_api_client']
|
|
opts.context_size = config['token_limit']
|
|
opts.show_num_prompts = config['show_num_prompts']
|
|
opts.show_uptime = config['show_uptime']
|
|
opts.backend_url = config['backend_url'].strip('/')
|
|
opts.show_total_output_tokens = config['show_total_output_tokens']
|
|
opts.netdata_root = config['netdata_root']
|
|
opts.simultaneous_requests_per_ip = config['simultaneous_requests_per_ip']
|
|
opts.show_backend_info = config['show_backend_info']
|
|
opts.max_new_tokens = config['max_new_tokens']
|
|
opts.manual_model_name = config['manual_model_name']
|
|
opts.llm_middleware_name = config['llm_middleware_name']
|
|
opts.enable_openi_compatible_backend = config['enable_openi_compatible_backend']
|
|
opts.openai_system_prompt = config['openai_system_prompt']
|
|
opts.expose_openai_system_prompt = config['expose_openai_system_prompt']
|
|
opts.enable_streaming = config['enable_streaming']
|
|
opts.openai_api_key = config['openai_api_key']
|
|
openai.api_key = opts.openai_api_key
|
|
opts.admin_token = config['admin_token']
|
|
opts.openai_expose_our_model = config['openai_epose_our_model']
|
|
opts.openai_force_no_hashes = config['openai_force_no_hashes']
|
|
opts.include_system_tokens_in_stats = config['include_system_tokens_in_stats']
|
|
|
|
if opts.openai_expose_our_model and not opts.openai_api_key:
|
|
print('If you set openai_epose_our_model to false, you must set your OpenAI key in openai_api_key.')
|
|
sys.exit(1)
|
|
|
|
opts.verify_ssl = config['verify_ssl']
|
|
if not opts.verify_ssl:
|
|
import urllib3
|
|
|
|
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
|
|
|
|
if config['average_generation_time_mode'] not in ['database', 'minute']:
|
|
print('Invalid value for config item "average_generation_time_mode":', config['average_generation_time_mode'])
|
|
sys.exit(1)
|
|
opts.average_generation_time_mode = config['average_generation_time_mode']
|
|
|
|
if opts.mode == 'oobabooga':
|
|
raise NotImplementedError
|
|
# llm_server.llm.tokenizer = OobaboogaBackend()
|
|
elif opts.mode == 'vllm':
|
|
llm_server.llm.get_token_count = llm_server.llm.vllm.tokenize
|
|
else:
|
|
raise Exception
|
|
|
|
|
|
def pre_fork(server):
|
|
flushed_keys = redis.flush()
|
|
print('Flushed', len(flushed_keys), 'keys from Redis.')
|
|
|
|
redis.set('backend_mode', opts.mode)
|
|
if config['http_host']:
|
|
http_host = re.sub(r'http(?:s)?://', '', config["http_host"])
|
|
redis.set('http_host', http_host)
|
|
redis.set('base_client_api', f'{http_host}/{opts.frontend_api_client.strip("/")}')
|
|
|
|
if config['load_num_prompts']:
|
|
redis.set('proompts', get_number_of_rows('prompts'))
|
|
|
|
# Start background processes
|
|
start_workers(opts.concurrent_gens)
|
|
process_avg_gen_time_background_thread = Thread(target=process_avg_gen_time)
|
|
process_avg_gen_time_background_thread.daemon = True
|
|
process_avg_gen_time_background_thread.start()
|
|
MainBackgroundThread().start()
|
|
SemaphoreCheckerThread().start()
|
|
|
|
# This needs to be started after Flask is initalized
|
|
stats_updater_thread = Thread(target=cache_stats)
|
|
stats_updater_thread.daemon = True
|
|
stats_updater_thread.start()
|
|
|
|
# Cache the initial stats
|
|
print('Loading backend stats...')
|
|
generate_stats()
|
|
|
|
|
|
# print(app.url_map)
|
|
|
|
|
|
@app.route('/')
|
|
@app.route('/api')
|
|
@app.route('/api/openai')
|
|
@cache.cached(timeout=10)
|
|
def home():
|
|
stats = generate_stats()
|
|
|
|
if not stats['online']:
|
|
running_model = estimated_wait_sec = 'offline'
|
|
else:
|
|
running_model = redis.get('running_model', str, 'ERROR')
|
|
|
|
active_gen_workers = get_active_gen_workers()
|
|
if stats['queue']['queued'] == 0 and active_gen_workers >= opts.concurrent_gens:
|
|
# There will be a wait if the queue is empty but prompts are processing, but we don't
|
|
# know how long.
|
|
estimated_wait_sec = f"less than {stats['stats']['average_generation_elapsed_sec']} seconds"
|
|
else:
|
|
estimated_wait_sec = f"{stats['queue']['estimated_wait_sec']} seconds"
|
|
|
|
if len(config['analytics_tracking_code']):
|
|
analytics_tracking_code = f"<script>\n{config['analytics_tracking_code']}\n</script>"
|
|
else:
|
|
analytics_tracking_code = ''
|
|
|
|
if config['info_html']:
|
|
info_html = config['info_html']
|
|
else:
|
|
info_html = ''
|
|
|
|
mode_info = ''
|
|
if opts.mode == 'vllm':
|
|
mode_info = vllm_info
|
|
|
|
base_client_api = redis.get('base_client_api', str)
|
|
|
|
return render_template('home.html',
|
|
llm_middleware_name=opts.llm_middleware_name,
|
|
analytics_tracking_code=analytics_tracking_code,
|
|
info_html=info_html,
|
|
current_model=opts.manual_model_name if opts.manual_model_name else running_model,
|
|
client_api=f'https://{base_client_api}',
|
|
ws_client_api=f'wss://{base_client_api}/v1/stream' if opts.enable_streaming else None,
|
|
estimated_wait=estimated_wait_sec,
|
|
mode_name=mode_ui_names[opts.mode][0],
|
|
api_input_textbox=mode_ui_names[opts.mode][1],
|
|
streaming_input_textbox=mode_ui_names[opts.mode][2],
|
|
context_size=opts.context_size,
|
|
stats_json=json.dumps(stats, indent=4, ensure_ascii=False),
|
|
extra_info=mode_info,
|
|
openai_client_api=f'https://{base_client_api}/openai/v1' if opts.enable_openi_compatible_backend else 'disabled',
|
|
expose_openai_system_prompt=opts.expose_openai_system_prompt,
|
|
enable_streaming=opts.enable_streaming,
|
|
)
|
|
|
|
|
|
# TODO: add authenticated route to get the current backend URL. Add it to /v1/backend
|
|
|
|
@app.route('/<first>')
|
|
@app.route('/<first>/<path:rest>')
|
|
def fallback(first=None, rest=None):
|
|
return jsonify({
|
|
'code': 404,
|
|
'msg': 'not found'
|
|
}), 404
|
|
|
|
|
|
@app.errorhandler(500)
|
|
def server_error(e):
|
|
return handle_server_error(e)
|
|
|
|
|
|
@app.before_request
|
|
def before_app_request():
|
|
auto_set_base_client_api(request)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
app.run(host='0.0.0.0', threaded=False, processes=15)
|