Started work on per-pass log handling in hw-diags

scripts/wk/hw/diags.py

@@ -71,6 +71,7 @@ class State():
   def __init__(self):
     self.cpu = None
     self.disks = []
+    self.log_dir = None
     self.panes = {}
     self.tests = OrderedDict({
       'CPU & Cooling': {
@@ -131,6 +132,27 @@ class State():
       self.fix_tmux_layout(forced=False)
       std.sleep(1)
 
+  def init_diags(self):
+    """Initialize diagnostic pass."""
+    # Reset objects
+    self.disks.clear()
+    for test_data in self.tests.values():
+      test_data['Objects'].clear()
+
+    # Set log
+    self.log_dir = log.format_log_path()
+    self.log_dir = pathlib.Path(
+      f'{self.log_dir.parent}/'
+      f'Hardware-Diagnostics_{time.strftime("%Y-%m-%d_%H%M%z")}/'
+      )
+    log.update_log_path(
+      dest_dir=self.log_dir,
+      dest_name='main',
+      keep_history=False,
+      timestamp=False,
+      )
+    std.print_info('Starting Hardware Diagnostics')
+
   def init_tmux(self):
     """Initialize tmux layout."""
     tmux.kill_all_panes()
@@ -367,6 +389,10 @@ def network_test():
   std.pause('Press Enter to return to main menu...')
 
 
+def run_diags(state):
+  """Run selected diagnostics."""
+
+
 def screensaver(name):
   """Show screensaver"""
   LOG.info('Screensaver (%s)', name)

scripts/wk/log.py

@@ -115,12 +115,14 @@ def start(config=None):
   atexit.register(logging.shutdown)
 
 
-def update_log_path(dest_dir=None, dest_name=None, timestamp=True):
+def update_log_path(
+    dest_dir=None, dest_name=None, keep_history=True, timestamp=True):
   """Moves current log file to new path and updates the root logger."""
   root_logger = logging.getLogger()
   cur_handler = None
   cur_path = get_root_logger_path()
   new_path = format_log_path(dest_dir, dest_name, timestamp=timestamp)
+  os.makedirs(new_path.parent, exist_ok=True)
 
   # Get current logging file handler
   for handler in root_logger.handlers:
@@ -131,10 +133,13 @@ def update_log_path(dest_dir=None, dest_name=None, timestamp=True):
     raise RuntimeError('Logging FileHandler not found')
 
   # Copy original log to new location
-  if new_path.exists():
-    raise FileExistsError(f'Refusing to clobber: {new_path}')
-  os.makedirs(new_path.parent, exist_ok=True)
-  shutil.move(cur_path, new_path)
+  if keep_history:
+    if new_path.exists():
+      raise FileExistsError(f'Refusing to clobber: {new_path}')
+    shutil.move(cur_path, new_path)
+
+  # Remove old log if empty
+  remove_empty_log()
 
   # Create new cur_handler (preserving formatter settings)
   new_handler = logging.FileHandler(new_path, mode='a')