Prevent calling stop or restart services during db upgrade (#49098)

homeassistant/helpers/recorder.py

@@ -0,0 +1,15 @@
+"""Helpers to check recorder."""
+
+
+from homeassistant.core import HomeAssistant
+
+
+async def async_migration_in_progress(hass: HomeAssistant) -> bool:
+    """Check to see if a recorder migration is in progress."""
+    if "recorder" not in hass.config.components:
+        return False
+    from homeassistant.components import (  # pylint: disable=import-outside-toplevel
+        recorder,
+    )
+
+    return await recorder.async_migration_in_progress(hass)