server : add lora hotswap endpoint (WIP) (#8857)

* server : add lora hotswap endpoint

* handle lora_no_apply

* fix build

* updae docs

* clean up struct def

* fix build

* add LoRA test

* fix style
This commit is contained in:
Xuan Son Nguyen 2024-08-06 17:33:39 +02:00 committed by GitHub
parent 641f5dd2a6
commit 1e6f6554aa
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9 changed files with 251 additions and 92 deletions

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@ -7,6 +7,7 @@ import subprocess
import sys
import threading
import time
import requests
from collections.abc import Sequence
from contextlib import closing
from re import RegexFlag
@ -70,6 +71,7 @@ def step_server_config(context, server_fqdn: str, server_port: str):
context.user_api_key = None
context.response_format = None
context.temperature = None
context.lora_file = None
context.tasks_result = []
context.concurrent_tasks = []
@ -82,6 +84,12 @@ def step_download_hf_model(context, hf_file: str, hf_repo: str):
context.model_hf_file = hf_file
context.model_file = os.path.basename(hf_file)
@step('a lora adapter file from {lora_file_url}')
def step_download_lora_file(context, lora_file_url: str):
file_name = lora_file_url.split('/').pop()
context.lora_file = f'../../../{file_name}'
with open(context.lora_file, 'wb') as f:
f.write(requests.get(lora_file_url).content)
@step('a model file {model_file}')
def step_model_file(context, model_file: str):
@ -849,6 +857,17 @@ async def step_erase_slot(context, slot_id):
context.response = response
@step('switch {on_or_off} lora adapter {lora_id:d}')
@async_run_until_complete
async def toggle_lora_adapter(context, on_or_off: str, lora_id: int):
async with aiohttp.ClientSession() as session:
async with session.post(f'{context.base_url}/lora-adapters',
json=[{'id': lora_id, 'scale': 1 if on_or_off == 'on' else 0}],
headers={"Content-Type": "application/json"}) as response:
context.response = response
print([{'id': lora_id, 'scale': 1 if on_or_off == 'on' else 0}])
@step('the server responds with status code {status_code:d}')
def step_server_responds_with_status_code(context, status_code):
assert context.response.status == status_code
@ -1326,6 +1345,8 @@ def start_server_background(context):
server_args.extend(['--grp-attn-w', context.n_ga_w])
if context.debug:
server_args.append('--verbose')
if context.lora_file:
server_args.extend(['--lora', context.lora_file])
if 'SERVER_LOG_FORMAT_JSON' not in os.environ:
server_args.extend(['--log-format', "text"])