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fix: modal logging with complete async io rewrite

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This commit is contained in:
bennykok 2024-01-31 00:41:41 +08:00
parent 7ae25aa162
commit 2d033570f4
1 changed files with 46 additions and 58 deletions
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104
builder/modal-builder/src/template/app.py
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@ -9,6 +9,7 @@ from fastapi import FastAPI, Request, HTTPException
from fastapi.responses import HTMLResponse
from volume_setup import volumes
from datetime import datetime
import aiohttp
# deploy_test = False
import os
@ -91,37 +92,22 @@ COMFY_POLLING_MAX_RETRIES = 1000
COMFY_HOST = "127.0.0.1:8188"
def check_server(url, retries=50, delay=500):
import requests
import time
"""
Check if a server is reachable via HTTP GET request
Args:
- url (str): The URL to check
- retries (int, optional): The number of times to attempt connecting to the server. Default is 50
- delay (int, optional): The time in milliseconds to wait between retries. Default is 500
Returns:
bool: True if the server is reachable within the given number of retries, otherwise False
"""
async def check_server(url, retries=50, delay=500):
import aiohttp
for i in range(retries):
try:
response = requests.get(url)
# If the response status code is 200, the server is up and running
if response.status_code == 200:
print(f"comfy-modal - API is reachable")
return True
except requests.RequestException as e:
async with aiohttp.ClientSession() as session:
async with session.get(url) as response:
# If the response status code is 200, the server is up and running
if response.status == 200:
print(f"comfy-modal - API is reachable")
return True
except Exception as e:
# If an exception occurs, the server may not be ready
pass
# print(f"runpod-worker-comfy - trying")
# Wait for the specified delay before retrying
time.sleep(delay / 1000)
await asyncio.sleep(delay / 1000)
print(
f"comfy-modal - Failed to connect to server at {url} after {retries} attempts."
@ -129,10 +115,10 @@ def check_server(url, retries=50, delay=500):
return False
def check_status(prompt_id):
req = urllib.request.Request(
f"http://{COMFY_HOST}/comfyui-deploy/check-status?prompt_id={prompt_id}")
return json.loads(urllib.request.urlopen(req).read())
async def check_status(prompt_id):
async with aiohttp.ClientSession() as session:
async with session.get(f"http://{COMFY_HOST}/comfyui-deploy/check-status?prompt_id={prompt_id}") as response:
return await response.json()
class Input(BaseModel):
@ -142,12 +128,12 @@ class Input(BaseModel):
file_upload_endpoint: str
def queue_workflow_comfy_deploy(data: Input):
async def queue_workflow_comfy_deploy(data: Input):
data_str = data.json()
data_bytes = data_str.encode('utf-8')
req = urllib.request.Request(
f"http://{COMFY_HOST}/comfyui-deploy/run", data=data_bytes)
return json.loads(urllib.request.urlopen(req).read())
async with aiohttp.ClientSession() as session:
async with session.post(f"http://{COMFY_HOST}/comfyui-deploy/run", data=data_bytes) as response:
return await response.json()
class RequestInput(BaseModel):
@ -203,11 +189,6 @@ class ComfyDeployRunner:
# Make sure that the ComfyUI API is available
print(f"comfy-modal - check server")
# command = ["python", "main.py",
# "--disable-auto-launch", "--disable-metadata"]
# self.server_process = subprocess.Popen(command, cwd="/comfyui")
self.server_process = await asyncio.subprocess.create_subprocess_shell(
f"python main.py --disable-auto-launch --disable-metadata",
stdout=asyncio.subprocess.PIPE,
@ -216,36 +197,35 @@ class ComfyDeployRunner:
# env={**os.environ, "COLUMNS": "10000"}
)
self.stdout_task = asyncio.create_task(
stdout_task = asyncio.create_task(
self.read_stream(self.server_process.stdout, False))
self.stderr_task = asyncio.create_task(
stderr_task = asyncio.create_task(
self.read_stream(self.server_process.stderr, True))
check_server(
await check_server(
f"http://{COMFY_HOST}",
COMFY_API_AVAILABLE_MAX_RETRIES,
COMFY_API_AVAILABLE_INTERVAL_MS,
)
stdout_task.cancel()
stderr_task.cancel()
@exit()
async def cleanup(self, exc_type, exc_value, traceback):
print(f"comfy-modal - cleanup", exc_type, exc_value, traceback)
self.stderr_task.cancel()
self.stdout_task.cancel()
# self.server_process.kill()
@method()
async def run(self, input: Input):
import signal
import time
# import asyncio
import asyncio
import aiohttp
self.stderr_task.cancel()
self.stdout_task.cancel()
self.stdout_task = asyncio.create_task(
stdout_task = asyncio.create_task(
self.read_stream(self.server_process.stdout, False))
self.stderr_task = asyncio.create_task(
stderr_task = asyncio.create_task(
self.read_stream(self.server_process.stderr, True))
class TimeoutError(Exception):
@ -272,13 +252,14 @@ class ComfyDeployRunner:
"status": "started",
"time": datetime.now().isoformat()
}).encode('utf-8')
req = urllib.request.Request(input.status_endpoint, data=data, method='POST')
urllib.request.urlopen(req)
async with aiohttp.ClientSession() as session:
async with session.post(input.status_endpoint, data=data) as response:
pass
job_input = input
try:
queued_workflow = queue_workflow_comfy_deploy(job_input) # queue_workflow(workflow)
queued_workflow = await queue_workflow_comfy_deploy(job_input) # queue_workflow(workflow)
prompt_id = queued_workflow["prompt_id"]
print(f"comfy-modal - queued workflow with ID {prompt_id}")
except Exception as e:
@ -293,14 +274,14 @@ class ComfyDeployRunner:
try:
print("getting request")
while retries < COMFY_POLLING_MAX_RETRIES:
status_result = check_status(prompt_id=prompt_id)
status_result = await check_status(prompt_id=prompt_id)
if 'status' in status_result and (status_result['status'] == 'success' or status_result['status'] == 'failed'):
status = status_result['status']
print(status)
break
else:
# Wait before trying again
time.sleep(COMFY_POLLING_INTERVAL_MS / 1000)
await asyncio.sleep(COMFY_POLLING_INTERVAL_MS / 1000)
retries += 1
else:
return {"error": "Max retries reached while waiting for image generation"}
@ -314,19 +295,26 @@ class ComfyDeployRunner:
except TimeoutError:
print("Operation timed out")
return {"status": "failed"}
finally:
signal.alarm(0)
print("uploading log_data")
data = json.dumps({
"run_id": input.prompt_id,
"time": datetime.now().isoformat(),
"log_data": json.dumps(self.machine_logs)
"log_data": self.machine_logs
}).encode('utf-8')
print("my logs", len(self.machine_logs))
# Clear logs
async with aiohttp.ClientSession() as session:
async with session.post(input.status_endpoint, data=data) as response:
print("response", response)
print("uploaded log_data")
# print(data)
self.machine_logs = []
req = urllib.request.Request(input.status_endpoint, data=data, method='POST')
urllib.request.urlopen(req)
stdout_task.cancel()
stderr_task.cancel()
return result