stable-diffusion-aws-extension/middleware_api/checkpoints/delete_checkpoints.py

64 lines
1.8 KiB
Python

import json
import logging
import os
from dataclasses import dataclass
import boto3
from aws_lambda_powertools import Tracer
from common.response import no_content
from libs.utils import response_error
tracer = Tracer()
logger = logging.getLogger(__name__)
logger.setLevel(os.environ.get('LOG_LEVEL') or logging.ERROR)
dynamodb = boto3.resource('dynamodb')
checkpoints_table = dynamodb.Table(os.environ.get('CHECKPOINTS_TABLE'))
s3_bucket_name = os.environ.get('S3_BUCKET_NAME')
s3 = boto3.resource('s3')
bucket = s3.Bucket(s3_bucket_name)
@dataclass
class DeleteCheckpointsEvent:
checkpoint_id_list: [str]
@tracer.capture_lambda_handler
def handler(event, ctx):
try:
logger.info(json.dumps(event))
# todo will be removed
# permissions_check(event, [PERMISSION_CHECKPOINT_ALL])
body = DeleteCheckpointsEvent(**json.loads(event['body']))
# unique list for preventing duplicate delete
checkpoint_id_list = list(set(body.checkpoint_id_list))
for checkpoint_id in checkpoint_id_list:
checkpoint = checkpoints_table.get_item(Key={'id': checkpoint_id})
if 'Item' not in checkpoint:
continue
logger.info(f'checkpoint: {checkpoint}')
checkpoint_names = checkpoint['Item']['checkpoint_names']
s3_location = checkpoint['Item']['s3_location']
object_prefix = s3_location.replace(f"s3://{s3_bucket_name}/", "")
for checkpoint_name in checkpoint_names:
object_key = f'{object_prefix}/{checkpoint_name}'
logger.info(f'object_key: {object_key}')
bucket.Object(object_key).delete()
checkpoints_table.delete_item(Key={'id': checkpoint_id})
return no_content(message='checkpoints deleted')
except Exception as e:
return response_error(e)