add s3-list-objects.py

s3-list-objects.py

+#!/usr/bin/python3
+
+import os
+import logging
+import boto3
+
+
+radosgw_access_key = os.environ['AWS_ACCESS_KEY_ID']
+radosgw_secret_key = os.environ['AWS_SECRET_ACCESS_KEY']
+radosgw_endpoint_url = 'https://rise-s3.zib.de'
+
+radosgw_bucket_name = 'py3-boto-bucket'
+radosgw_key_name = 'upload_file'
+radosgw_file_name = 'example.txt'
+
+
+# generate s3 client
+s3_client = boto3.client('s3',
+                    endpoint_url=radosgw_endpoint_url,
+                    aws_access_key_id=radosgw_access_key,
+                    aws_secret_access_key=radosgw_secret_key
+)
+
+# generate s3 resource
+s3_resource = boto3.resource('s3',
+                    endpoint_url=radosgw_endpoint_url,
+                    aws_access_key_id=radosgw_access_key,
+                    aws_secret_access_key=radosgw_secret_key
+)
+
+# generate download url
+url = s3_client.generate_presigned_url('get_object', Params = {'Bucket': radosgw_bucket_name, 'Key': radosgw_key_name}, ExpiresIn = 100)
+print(url)
+
+# list objects
+response = s3_client.list_objects_v2(Bucket=radosgw_bucket_name)
+
+print('')
+for item in response['Contents']:
+    print(item['Key'])