Report error correct for rauc (#1403)

* Report error correct

* Use new style

hassio/dbus/rauc.py

@@ -1,5 +1,6 @@
 """D-Bus interface for rauc."""
 import logging
+from typing import Optional
 
 from .interface import DBusInterface
 from .utils import dbus_connected
@@ -15,6 +16,14 @@ DBUS_OBJECT = "/"
 class Rauc(DBusInterface):
     """Handle D-Bus interface for rauc."""
 
+    def __init__(self):
+        """Initialize Properties."""
+        self._operation: Optional[str] = None
+        self._last_error: Optional[str] = None
+        self._compatible: Optional[str] = None
+        self._variant: Optional[str] = None
+        self._boot_slot: Optional[str] = None
+
     async def connect(self):
         """Connect to D-Bus."""
         try:
@@ -24,6 +33,31 @@ class Rauc(DBusInterface):
         except DBusInterfaceError:
             _LOGGER.warning("Host has no rauc support. OTA updates have been disabled.")
 
+    @property
+    def operation(self) -> Optional[str]:
+        """Return the current (global) operation."""
+        return self._operation
+
+    @property
+    def last_error(self) -> Optional[str]:
+        """Return the last message of the last error that occurred."""
+        return self._last_error
+
+    @property
+    def compatible(self) -> Optional[str]:
+        """Return the system compatible string."""
+        return self._compatible
+
+    @property
+    def variant(self) -> Optional[str]:
+        """Return the system variant string."""
+        return self._variant
+
+    @property
+    def boot_slot(self) -> Optional[str]:
+        """Return the used boot slot."""
+        return self._boot_slot
+
     @dbus_connected
     def install(self, raucb_file):
         """Install rauc bundle file.
@@ -40,14 +74,6 @@ class Rauc(DBusInterface):
         """
         return self.dbus.Installer.GetSlotStatus()
 
-    @dbus_connected
-    def get_properties(self):
-        """Return rauc informations.
-
-        Return a coroutine.
-        """
-        return self.dbus.get_properties(f"{DBUS_NAME}.Installer")
-
     @dbus_connected
     def signal_completed(self):
         """Return a signal wrapper for completed signal.
@@ -55,3 +81,17 @@ class Rauc(DBusInterface):
         Return a coroutine.
         """
         return self.dbus.wait_signal(f"{DBUS_NAME}.Installer.Completed")
+
+    @dbus_connected
+    async def update(self):
+        """Update Properties."""
+        data = await self.dbus.get_properties(f"{DBUS_NAME}.Installer")
+        if not data:
+            _LOGGER.warning("Can't get properties for rauc")
+            return
+
+        self._operation = data.get("Operation")
+        self._last_error = data.get("LastError")
+        self._compatible = data.get("Compatible")
+        self._variant = data.get("Variant")
+        self._boot_slot = data.get("BootSlot")

hassio/hassos.py

@@ -128,7 +128,11 @@ class HassOS(CoreSysAttributes):
         self._version = cpe.get_version()[0]
         self._board = cpe.get_target_hardware()[0]
 
-        _LOGGER.info("Detect HassOS %s on host system", self.version)
+        await self.sys_dbus.rauc.update()
+
+        _LOGGER.info(
+            "Detect HassOS %s / BootSlot %s", self.version, self.sys_dbus.rauc.boot_slot
+        )
         with suppress(DockerAPIError):
             await self.instance.attach(tag="latest")
 
@@ -174,8 +178,8 @@ class HassOS(CoreSysAttributes):
             return
 
         # Update fails
-        rauc_status = await self.sys_dbus.get_properties()
-        _LOGGER.error("HassOS update fails with: %s", rauc_status.get("LastError"))
+        await self.sys_dbus.rauc.update()
+        _LOGGER.error("HassOS update fails with: %s", self.sys_dbus.rauc.last_error)
         raise HassOSUpdateError()
 
     async def update_cli(self, version: Optional[str] = None) -> None: