Add retry for unavailable static tplink devices after HA starts (#42247)

homeassistant/components/tplink/common.py

@@ -13,6 +13,8 @@ from pyHS100 import (
 
 from homeassistant.helpers.typing import HomeAssistantType
 
+from .const import DOMAIN as TPLINK_DOMAIN
+
 _LOGGER = logging.getLogger(__name__)
 
 
@@ -127,3 +129,31 @@ def get_static_devices(config_data) -> SmartDevices:
                     "Failed to setup device %s due to %s; not retrying", host, sde
                 )
     return SmartDevices(lights, switches)
+
+
+def add_available_devices(hass, device_type, device_class, async_add_entities):
+    """Get sysinfo for all devices."""
+
+    devices = hass.data[TPLINK_DOMAIN][device_type]
+
+    if f"{device_type}_remaining" in hass.data[TPLINK_DOMAIN]:
+        devices = hass.data[TPLINK_DOMAIN][f"{device_type}_remaining"]
+
+    entities_ready = []
+    entities_unavailable = []
+    for device in devices:
+        try:
+            device.get_sysinfo()
+            entities_ready.append(device_class(device))
+        except SmartDeviceException as ex:
+            entities_unavailable.append(device)
+            _LOGGER.warning(
+                "Unable to communicate with device %s: %s",
+                device.host,
+                ex,
+            )
+
+    hass.data[TPLINK_DOMAIN][f"{device_type}_remaining"] = entities_unavailable
+
+    if entities_ready:
+        async_add_entities(entities_ready, update_before_add=True)

homeassistant/components/tplink/light.py

@@ -16,7 +16,7 @@ from homeassistant.components.light import (
     SUPPORT_COLOR_TEMP,
     LightEntity,
 )
-from homeassistant.exceptions import HomeAssistantError
+from homeassistant.exceptions import HomeAssistantError, PlatformNotReady
 import homeassistant.helpers.device_registry as dr
 from homeassistant.helpers.typing import HomeAssistantType
 from homeassistant.util.color import (
@@ -26,6 +26,7 @@ from homeassistant.util.color import (
 import homeassistant.util.dt as dt_util
 
 from . import CONF_LIGHT, DOMAIN as TPLINK_DOMAIN
+from .common import add_available_devices
 
 PARALLEL_UPDATES = 0
 SCAN_INTERVAL = timedelta(seconds=5)
@@ -60,20 +61,12 @@ SLEEP_TIME = 2
 
 async def async_setup_entry(hass: HomeAssistantType, config_entry, async_add_entities):
     """Set up lights."""
-    devices = hass.data[TPLINK_DOMAIN][CONF_LIGHT]
+    await hass.async_add_executor_job(
-    entities = []
+        add_available_devices, hass, CONF_LIGHT, TPLinkSmartBulb, async_add_entities
+    )
 
-    await hass.async_add_executor_job(get_devices_sysinfo, devices)
+    if hass.data[TPLINK_DOMAIN][f"{CONF_LIGHT}_remaining"]:
-    for device in devices:
+        raise PlatformNotReady
-        entities.append(TPLinkSmartBulb(device))
-
-    async_add_entities(entities, update_before_add=True)
-
-
-def get_devices_sysinfo(devices):
-    """Get sysinfo for all devices."""
-    for device in devices:
-        device.get_sysinfo()
 
 
 def brightness_to_percentage(byt):

homeassistant/components/tplink/switch.py

@@ -11,10 +11,12 @@ from homeassistant.components.switch import (
     SwitchEntity,
 )
 from homeassistant.const import ATTR_VOLTAGE
+from homeassistant.exceptions import PlatformNotReady
 import homeassistant.helpers.device_registry as dr
 from homeassistant.helpers.typing import HomeAssistantType
 
 from . import CONF_SWITCH, DOMAIN as TPLINK_DOMAIN
+from .common import add_available_devices
 
 PARALLEL_UPDATES = 0
 
@@ -29,20 +31,12 @@ SLEEP_TIME = 2
 
 async def async_setup_entry(hass: HomeAssistantType, config_entry, async_add_entities):
     """Set up switches."""
-    devices = hass.data[TPLINK_DOMAIN][CONF_SWITCH]
+    await hass.async_add_executor_job(
-    entities = []
+        add_available_devices, hass, CONF_SWITCH, SmartPlugSwitch, async_add_entities
+    )
 
-    await hass.async_add_executor_job(get_devices_sysinfo, devices)
+    if hass.data[TPLINK_DOMAIN][f"{CONF_SWITCH}_remaining"]:
-    for device in devices:
+        raise PlatformNotReady
-        entities.append(SmartPlugSwitch(device))
-
-    async_add_entities(entities, update_before_add=True)
-
-
-def get_devices_sysinfo(devices):
-    """Get sysinfo for all devices."""
-    for device in devices:
-        device.get_sysinfo()
 
 
 class SmartPlugSwitch(SwitchEntity):

tests/components/tplink/test_light.py

@@ -577,3 +577,33 @@ async def test_update_failure(
             in caplog.text
         )
         assert "Device 123.123.123.123|light1 responded after " in caplog.text
+
+
+async def test_async_setup_entry_unavailable(
+    hass: HomeAssistant, light_mock_data: LightMockData, caplog
+):
+    """Test unavailable devices trigger a later retry."""
+    caplog.clear()
+    caplog.set_level(logging.WARNING)
+
+    with patch(
+        "homeassistant.components.tplink.common.SmartDevice.get_sysinfo",
+        side_effect=SmartDeviceException,
+    ):
+        await async_setup_component(hass, HA_DOMAIN, {})
+        await hass.async_block_till_done()
+
+        await async_setup_component(
+            hass,
+            tplink.DOMAIN,
+            {
+                tplink.DOMAIN: {
+                    CONF_DISCOVERY: False,
+                    CONF_LIGHT: [{CONF_HOST: "123.123.123.123"}],
+                }
+            },
+        )
+
+        await hass.async_block_till_done()
+        assert "Unable to communicate with device 123.123.123.123" in caplog.text
+        assert len(hass.data[tplink.DOMAIN][f"{CONF_LIGHT}_remaining"]) == 1