add in neil's fixes for the req func

iso/empanadas/empanadas/util/shared.py

@@ -636,6 +636,7 @@ class Shared:
         except:
             logger.error('There was an issue downloading from %s' % s3_bucket)
 
+
     @staticmethod
     def reqs_determine_latest(s3_bucket_url, release, arches, filetype, name, logger, page_size=1000):
         """
@@ -645,25 +646,28 @@ class Shared:
         data = {}
         marker = None
 
+        # Hardcoding this for now until we can come up with a better solution
+        if 'lorax' in name:
+            prefix = "buildiso"
+        else:
+            prefix = "buildimage"
+
         while True:
             params = {}
-            if marker is not None:
+            if marker:
                 params['marker'] = marker
-            params['delimiter'] = '/'
+            params['prefix'] = f"{prefix}-{release.split('.')[0]}-"
             params['max-keys'] = str(page_size)
 
             try:
-                bucket_data = requests.get(
-                        s3_bucket_url,
-                        params=params,
-                        timeout=100
-                )
-            except requests.exceptions.RequestException as e:
+                bucket_data = requests.get(s3_bucket_url, params=params, timeout=100)
+            except requests.exceptions.RequestException as exception:
                 logger.error('The s3 bucket http endpoint is inaccessible')
-                raise SystemExit(e)
+                raise SystemExit(exception) from exception
 
             resp = xmltodict.parse(bucket_data.content)
 
+            if 'Contents' in resp['ListBucketResult'].keys():
                 for y in resp['ListBucketResult']['Contents']:
                     if y['Key'].endswith(filetype) and release in y['Key'] and name in y['Key']:
                         temp.append(y['Key'])
@@ -677,6 +681,18 @@ class Shared:
                 if len(temps) > 0:
                     data[arch] = temps[0]
 
+            truncated = resp['ListBucketResult'].get('IsTruncated')
+
+            # break from loop if there are no more results
+            if truncated == 'false':
+                break
+
+            # If truncated was true, we must set the marker for the next request to the last key of the current response
+            # ListObjects does not return NextMarker unless using Delimiter.. which is annoying
+            next_key = resp['ListBucketResult']['Contents'][-1].get('Key')
+            logger.info(Color.INFO + 'requesting another page starting with key: %s', next_key)
+            marker = next_key
+
         return data
 
     @staticmethod