stable-diffusion-aws-extension/middleware_api/lambda/comfy/get_execute.py

56 lines
1.6 KiB
Python

import logging
import os
import boto3
from aws_lambda_powertools import Tracer
from botocore.exceptions import ClientError
from common.ddb_service.client import DynamoDbUtilsService
from common.response import ok, not_found
from common.util import generate_presigned_url_for_job
from libs.utils import response_error
tracer = Tracer()
logger = logging.getLogger(__name__)
logger.setLevel(os.environ.get('LOG_LEVEL') or logging.ERROR)
region = os.environ.get('AWS_REGION')
bucket_name = os.environ.get('S3_BUCKET_NAME')
execute_table = os.environ.get('EXECUTE_TABLE')
ddb_service = DynamoDbUtilsService(logger=logger)
def generate_presigned_url(bucket, key, expiration=3600):
"""Generate a presigned URL for the S3 object."""
s3_client = boto3.client('s3', region_name=region)
try:
response = s3_client.generate_presigned_url(
'get_object',
Params={'Bucket': bucket, 'Key': key},
ExpiresIn=expiration
)
except ClientError as e:
logger.error(f"Error generating presigned URL: {e}")
return None
return response
@tracer.capture_lambda_handler
def handler(event, ctx):
try:
logger.info(f"get execute start... Received event: {event}")
logger.info(f"Received ctx: {ctx}")
prompt_id = event['pathParameters']['id']
item = ddb_service.get_item(table=execute_table, key_values={"prompt_id": prompt_id})
if not item:
return not_found(f"execute not found for prompt_id: {prompt_id}")
item = generate_presigned_url_for_job(item)
return ok(data=item, decimal=True)
except Exception as e:
return response_error(e)