Created
December 11, 2017 14:55
-
-
Save DanielSnipes/04cb1414123b220a5ff7fe8b8a020d80 to your computer and use it in GitHub Desktop.
AWS Lambda Random Letter Add
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import json | |
import urllib.parse | |
import boto3 | |
#need these to return random string | |
import random | |
import string | |
print('Loading function') | |
s3 = boto3.client('s3') | |
def lambda_handler(event, context): | |
# Get the object from the event and show its content type | |
bucket = event['Records'][0]['s3']['bucket']['name'] | |
print("Bucket name: ", bucket) | |
object_name = event['Records'][0]['s3']['object']['key'] | |
print("Object name: ", object_name) | |
key = urllib.parse.unquote_plus(event['Records'][0]['s3']['object']['key'], encoding='utf-8') | |
print("Key: ", key) | |
random_letter = random.choice(string.ascii_letters) + "_" | |
new_key = random_letter + key | |
print("Proposed new name: ", new_key) | |
try: | |
print("Using waiter to wait for object to persist thru s3 service…") | |
waiter = s3.get_waiter('object_exists') | |
waiter.wait(Bucket=bucket, Key=key) | |
response = s3.get_object(Bucket=bucket, Key=key) | |
s3.copy_object(Bucket=bucket, CopySource= "{}/{}".format(bucket, key), Key=new_key) | |
s3.delete_object(Bucket=bucket, Key=key) | |
print("Old name: {}".format(key)) | |
print("New name: {}".format(new_key)) | |
return response['ContentType'] | |
except Exception as e: | |
print(e) | |
print('Error getting object {} from bucket {}. Make sure they exist and your bucket is in the same region as this function.'.format(key, bucket)) | |
raise e |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment