files/tasks.py

@@ -1,3 +1,4 @@
+import logging
 import os.path
 
 from background_task import background
@@ -6,6 +7,8 @@ from django.conf import settings
 import files.models
 import files.utils
 
+logger = logging.getLogger(__name__)
+
 
 @background()
 def scan(file_id: int):
@@ -19,6 +22,7 @@ def scan(file_id: int):
         'stderr': completed_process.stderr.decode(),
         'returncode': completed_process.returncode,
     }
+    logger.info('File pk=%s scanned: exit code %s', file.pk, completed_process.returncode)
     file_validation, is_new = files.models.FileValidation.objects.get_or_create(
         file=file, defaults={'results': {completed_process.args[0]: scan_result}}
     )

files/utils.py

@@ -166,6 +166,9 @@ def guess_mimetype_from_content(file_obj) -> str:
 
 
 def run_clamdscan(abs_path: str) -> 'subprocess.CompletedProcess':
+    logger.info('Scanning file at path=%s', abs_path)
     scan_args = ['clamdscan', '--fdpass', abs_path]
     logger.info('Running %s', scan_args)
-    return subprocess.run(scan_args, capture_output=True)
+    completed_process = subprocess.run(scan_args, capture_output=True)
+    logger.info('File at path=%s scanned: exit code %s', abs_path, completed_process.returncode)
+    return completed_process