more logging for metadata collector

src/python/dm/common/processing/plugins/metadataCollector.py

@@ -33,7 +33,9 @@ class MetadataCollector:
         return fileInfo
 
     def processMd5Sum(self, filePath, fileInfo, statUtility):
+        self.logger.debug('Processing md5Sum for file %s' % (filePath))
         if not self.md5Sum or not statUtility:
+            self.logger.debug('Will not calculate md5Sum for file %s: md5Sum flag is set to %s, statUtility is %s ' % (filePath, self.md5Sum, statUtility))
             return fileInfo
         if not fileInfo.has_key('md5Sum'):
             fileInfo['md5Sum'] = statUtility.getMd5Sum(filePath)