improve logging

quetz/cli.py

@@ -303,7 +303,15 @@ def _is_deployment(base_dir: Path):
     ):
         config = Config(str(config_file.resolve()))
         with working_directory(base_dir):
-            return database_exists(config.sqlalchemy_database_url)
+            if not database_exists(config.sqlalchemy_database_url):
+                logger.error(
+                    "Cannot verify that specified database exists. "
+                    + config.sqlalchemy_database_url
+                )
+                return False
+            else:
+                return True
+
     return False
 
 

quetz/tasks/mirror.py

@@ -290,6 +290,9 @@ def initial_sync_mirror(
 ):
 
     force = True  # needed for updating packages
+    logger.info(
+        f"Running channel mirroring {channel_name}/{arch} from {remote_repository.host}"
+    )
 
     for repodata_fn in ["repodata_from_packages.json", "repodata.json"]:
         try:
@@ -347,7 +350,7 @@ def initial_sync_mirror(
 
         def handle_batch(update_batch):
             # i_batch += 1
-            logger.debug(f"Handling batch: {update_batch}")
+            logger.info(f"Handling batch: {[p[1] for p in update_batch]}")
             if not update_batch:
                 return False
 
@@ -517,7 +520,7 @@ def synchronize_packages(
     use_repodata: bool = False,
 ):
 
-    logger.debug(f"executing synchronize_packages task in a process {os.getpid()}")
+    logger.info(f"executing synchronize_packages task in a process {os.getpid()}")
 
     new_channel = dao.get_channel(channel_name)