Refinement: Removed Redundancy of Scan Config Passing

src/gcp_scanner/crawler/interface_crawler.py

@@ -26,6 +26,12 @@ class ICrawler(metaclass=ABCMeta):
 
   """
 
+  """Variable to identify if config file is needed
+
+  Access Type: Private
+  """
+  _config_dependency = False
+
   @staticmethod
   @abstractmethod
   def crawl(project_name: str, service: discovery.Resource,
@@ -49,3 +55,12 @@ def crawl(project_name: str, service: discovery.Resource,
     """
 
     raise NotImplementedError("Child class must implement the crawl() method.")
+
+  @property
+  def has_config_dependency(self) -> bool:
+    """Checks if the class needs a config file
+
+    Returns:
+        bool: Returns config_dependency private variable which is False by default.
+    """
+    return self._config_dependency

src/gcp_scanner/crawler/storage_buckets_crawler.py

@@ -24,6 +24,8 @@
 class StorageBucketsCrawler(ICrawler):
   """Handle crawling of bucket names data."""
 
+  _config_dependency = True # Define that config file is needed
+
   def crawl(self, project_name: str, service: discovery.Resource,
             config: Dict[str, Union[bool, str]] = None) -> Dict[str, Tuple[Any, List[Any]]]:
     """Retrieve a list of buckets available in the project.
@@ -77,6 +79,15 @@ def crawl(self, project_name: str, service: discovery.Resource,
     if dump_fd is not None:
       dump_fd.close()
     return buckets_dict
+
+  @property
+  def has_config_dependency(self) -> bool:
+    """Checks if the class needs a config file
+
+    Returns:
+        bool: Returns config_dependency private variable which is False by default.
+    """
+    return self._config_dependency
 
   @classmethod
   def _get_bucket_iam(cls, bucket_name: str, service: discovery.Resource) -> List[Any]:

src/gcp_scanner/scanner.py

@@ -180,8 +180,10 @@ def get_crawl(
   Returns:
     scan_result: a dictionary with scanning results
   """
-
-  res = crawler.crawl(project_id, client, crawler_config)
+  if crawler.has_config_dependency:
+    res = crawler.crawl(project_id, client, crawler_config)
+  else:
+    res = crawler.crawl(project_id, client)
   if res is not None and len(res) != 0:
     scan_results[crawler_name] = res
   return scan_results