feat: Add better feedback for adding and selecting log files in LogAn…

…alyzer mode (#259)

lib/log_analyzer/log_analyzer_root_controller.py

@@ -42,9 +42,14 @@ def __init__(self, asadm_version="", log_path=""):
         logs_added = LogAnalyzerRootController.log_handler.get_log_files()
 
         if not logs_added:
-            logger.warning(
-                "No log files added. Use the 'add' command to add log files."
-            )
+            if log_path != "":
+                logger.error(
+                    f"Error reading log path {log_path}. Use the 'add' command to add log files."
+                )
+            else:
+                logger.warning(
+                    "No log files added. Use the 'add' command to add log files."
+                )
 
         LogAnalyzerRootController.command = LogAnalyzerCommandController(
             self.log_handler
@@ -360,7 +365,11 @@ def __init__(self):
         self.modifiers = set()
 
     def _do_default(self, line):
-        self.log_handler.select_logs_by_index(line)
+        try:
+            num_selected = self.log_handler.select_logs_by_index(line)
+            print(f"Successfully selected {num_selected} server log(s).\n")
+        except LogHandlerException as e:
+            raise ShellException(e)
 
 
 @CommandHelp(

lib/log_analyzer/log_handler/log_handler.py

@@ -201,6 +201,11 @@ def select_logs_by_index(self, indices="all"):
 
         self.selected_logs = selected_list
 
+        if not self.selected_logs:
+            raise LogHandlerException("No log files selected.")
+
+        return len(self.selected_logs)
+
     def grep(
         self,
         logs,