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# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
# SPDX-License-Identifier: Apache-2.0.
import argparse
import boto3
import botocore
import sys
import os
s3 = boto3.resource('s3')
s3_client = boto3.client('s3')
s3_control_client = boto3.client('s3control')
BUCKET_NAME = 'aws-c-s3-test-bucket'
# Create a public bucket with one object for testing public access
PUBLIC_BUCKET_NAME = 'aws-c-s3-test-bucket-public'
REGION = 'us-west-2'
os.environ['AWS_DEFAULT_REGION'] = REGION
MB = 1024*1024
GB = 1024*1024*1024
def create_bytes(size):
return bytearray([1] * size)
def put_pre_existing_objects(size, keyname, bucket=BUCKET_NAME, sse=None, public_read=False):
if size == 0:
s3_client.put_object(Bucket=bucket, Key=keyname)
return
body = create_bytes(size)
args = {'Bucket': bucket, 'Key': keyname, 'Body': body}
if sse == 'aes256':
args['ServerSideEncryption'] = 'AES256'
elif sse == 'aes256-c':
random_key = os.urandom(32)
args['SSECustomerKey'] = random_key
args['SSECustomerAlgorithm'] = 'AES256'
elif sse == 'kms':
args['ServerSideEncryption'] = 'aws:kms'
args['SSEKMSKeyId'] = 'alias/aws/s3'
if public_read:
args['ACL'] = 'public-read'
s3_client.put_object(**args)
print(f"Object {keyname} uploaded")
def create_bucket_with_lifecycle():
try:
# Create the bucket. This returns an error if the bucket already exists.
s3_client.create_bucket(
Bucket=BUCKET_NAME, CreateBucketConfiguration={'LocationConstraint': REGION})
s3_client.put_bucket_lifecycle_configuration(
Bucket=BUCKET_NAME,
LifecycleConfiguration={
'Rules': [
{
'ID': 'clean up non-pre-existing objects',
'Expiration': {
'Days': 1,
},
'Filter': {
'Prefix': 'upload/',
},
'Status': 'Enabled',
'NoncurrentVersionExpiration': {
'NoncurrentDays': 1,
},
'AbortIncompleteMultipartUpload': {
'DaysAfterInitiation': 1,
},
},
],
},
)
print(f"Bucket {BUCKET_NAME} created", file=sys.stderr)
put_pre_existing_objects(
10*MB, 'pre-existing-10MB-aes256-c', sse='aes256-c')
put_pre_existing_objects(
10*MB, 'pre-existing-10MB-aes256', sse='aes256')
put_pre_existing_objects(
10*MB, 'pre-existing-10MB-kms', sse='kms')
put_pre_existing_objects(10*MB, 'pre-existing-10MB')
put_pre_existing_objects(1*MB, 'pre-existing-1MB')
put_pre_existing_objects(0, 'pre-existing-empty')
except botocore.exceptions.ClientError as e:
# The bucket already exists. That's fine.
if e.response['Error']['Code'] == 'BucketAlreadyOwnedByYou' or e.response['Error']['Code'] == 'BucketAlreadyExists':
print(
f"Bucket {PUBLIC_BUCKET_NAME} not created, skip initializing.", file=sys.stderr)
return
raise e
def create_bucket_with_public_object():
try:
s3_client.create_bucket(Bucket=PUBLIC_BUCKET_NAME,
CreateBucketConfiguration={'LocationConstraint': REGION})
print(f"Bucket {PUBLIC_BUCKET_NAME} created", file=sys.stderr)
put_pre_existing_objects(
1*MB, 'pre-existing-1MB', bucket=PUBLIC_BUCKET_NAME, public_read=True)
except botocore.exceptions.ClientError as e:
# The bucket already exists. That's fine.
if e.response['Error']['Code'] == 'BucketAlreadyOwnedByYou' or e.response['Error']['Code'] == 'BucketAlreadyExists':
print(
f"Bucket {PUBLIC_BUCKET_NAME} not created, skip initializing.", file=sys.stderr)
return
raise e
def cleanup(bucket_name):
bucket = s3.Bucket(bucket_name)
bucket.objects.all().delete()
s3_client.delete_bucket(Bucket=bucket_name)
print(f"Bucket {bucket_name} deleted", file=sys.stderr)
parser = argparse.ArgumentParser()
parser.add_argument(
'action',
choices=['init', 'clean'],
help='Initialize or clean up the test buckets')
args = parser.parse_args()
if args.action == 'init':
create_bucket_with_lifecycle()
create_bucket_with_public_object()
if args.action == 'clean':
cleanup(BUCKET_NAME)
cleanup(PUBLIC_BUCKET_NAME)
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