Fix cert expiry config flow check and update

homeassistant/components/cert_expiry/.translations/en.json

@@ -5,7 +5,7 @@
         },
         "error": {
             "certificate_fetch_failed": "Can not fetch certificate from this host and port combination",
-            "connection_timeout": "Timeout whemn connecting to this host",
+            "connection_timeout": "Timeout when connecting to this host",
             "host_port_exists": "This host and port combination is already configured",
             "resolve_failed": "This host can not be resolved"
         },
@@ -21,4 +21,4 @@
         },
         "title": "Certificate Expiry"
     }
-}
+}

homeassistant/components/cert_expiry/__init__.py

@@ -1,7 +1,5 @@
 """The cert_expiry component."""
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import EVENT_HOMEASSISTANT_START
-from homeassistant.core import callback
 from homeassistant.helpers.typing import HomeAssistantType
 
 
@@ -13,13 +11,7 @@ async def async_setup(hass, config):
 async def async_setup_entry(hass: HomeAssistantType, entry: ConfigEntry):
     """Load the saved entities."""
 
-    @callback
-    def async_start(_):
-        """Load the entry after the start event."""
-        hass.async_create_task(
-            hass.config_entries.async_forward_entry_setup(entry, "sensor")
-        )
-
-    hass.bus.async_listen_once(EVENT_HOMEASSISTANT_START, async_start)
-
+    hass.async_create_task(
+        hass.config_entries.async_forward_entry_setup(entry, "sensor")
+    )
     return True

homeassistant/components/cert_expiry/sensor.py

@@ -9,7 +9,13 @@
 import homeassistant.helpers.config_validation as cv
 from homeassistant.config_entries import SOURCE_IMPORT
 from homeassistant.components.sensor import PLATFORM_SCHEMA
-from homeassistant.const import CONF_NAME, CONF_HOST, CONF_PORT
+from homeassistant.const import (
+    CONF_NAME,
+    CONF_HOST,
+    CONF_PORT,
+    EVENT_HOMEASSISTANT_START,
+)
+from homeassistant.core import callback
 from homeassistant.helpers.entity import Entity
 
 from .const import DOMAIN, DEFAULT_NAME, DEFAULT_PORT
@@ -82,6 +88,16 @@ def available(self):
         """Icon to use in the frontend, if any."""
         return self._available
 
+    async def async_added_to_hass(self):
+        """Once the entity is added we should update to get the initial data loaded."""
+
+        @callback
+        def do_update(_):
+            """Run the update method when the start event was fired."""
+            self.update()
+
+        self.hass.bus.async_listen_once(EVENT_HOMEASSISTANT_START, do_update)
+
     def update(self):
         """Fetch the certificate information."""
         try: