Fix for #493

Changes from pull - https://github.com/ceph/s3-tests/pull/490

s3tests_boto3/functional/__init__.py

@@ -82,18 +82,13 @@ def get_objects_list(bucket, client=None, prefix=None):
 # generator function that returns object listings in batches, where each
 # batch is a list of dicts compatible with delete_objects()
 def list_versions(client, bucket, batch_size):
-    key_marker = ''
-    version_marker = ''
+    kwargs = {'Bucket': bucket, 'MaxKeys': batch_size}
     truncated = True
     while truncated:
-        listing = client.list_object_versions(
-                Bucket=bucket,
-                KeyMarker=key_marker,
-                VersionIdMarker=version_marker,
-                MaxKeys=batch_size)
+        listing = client.list_object_versions(**kwargs)
 
-        key_marker = listing.get('NextKeyMarker')
-        version_marker = listing.get('NextVersionIdMarker')
+        kwargs['KeyMarker'] = listing.get('NextKeyMarker')
+        kwargs['VersionIdMarker'] = listing.get('NextVersionIdMarker')
         truncated = listing['IsTruncated']
 
         objs = listing.get('Versions', []) + listing.get('DeleteMarkers', [])
@@ -104,11 +99,25 @@ def nuke_bucket(client, bucket):
     batch_size = 128
     max_retain_date = None
 
+    try:
+       response = client.get_object_lock_configuration(Bucket=bucket)
+       LockEnabled = True
+    except ClientError as error:
+       if error.response['Error']['Code'] == 'ObjectLockConfigurationNotFoundError':
+          LockEnabled = False
+       else:
+          raise error
+  
     # list and delete objects in batches
     for objects in list_versions(client, bucket, batch_size):
-        delete = client.delete_objects(Bucket=bucket,
-                Delete={'Objects': objects, 'Quiet': True},
-                BypassGovernanceRetention=True)
+        if(LockEnabled):
+           delete = client.delete_objects(Bucket=bucket,
+                   Delete={'Objects': objects, 'Quiet': True},
+                   BypassGovernanceRetention = LockEnabled)
+        else:
+           delete = client.delete_objects(Bucket=bucket,
+                   Delete={'Objects': objects, 'Quiet': True})
+            
 
         # check for object locks on 403 AccessDenied errors
         for err in delete.get('Errors', []):