Add system health streaming updates (#42831)

homeassistant/components/cloud/system_health.py

@@ -0,0 +1,48 @@
+"""Provide info to system health."""
+from hass_nabucasa import Cloud
+from yarl import URL
+
+from homeassistant.components import system_health
+from homeassistant.core import HomeAssistant, callback
+
+from .client import CloudClient
+from .const import DOMAIN
+
+
+@callback
+def async_register(
+    hass: HomeAssistant, register: system_health.SystemHealthRegistration
+) -> None:
+    """Register system health callbacks."""
+    register.async_register_info(system_health_info, "/config/cloud")
+
+
+async def system_health_info(hass):
+    """Get info for the info page."""
+    cloud: Cloud = hass.data[DOMAIN]
+    client: CloudClient = cloud.client
+
+    data = {
+        "logged_in": cloud.is_logged_in,
+    }
+
+    if cloud.is_logged_in:
+        data["subscription_expiration"] = cloud.expiration_date
+        data["relayer_connected"] = cloud.is_connected
+        data["remote_enabled"] = client.prefs.remote_enabled
+        data["remote_connected"] = cloud.remote.is_connected
+        data["alexa_enabled"] = client.prefs.alexa_enabled
+        data["google_enabled"] = client.prefs.google_enabled
+
+    data["can_reach_cert_server"] = system_health.async_check_can_reach_url(
+        hass, cloud.acme_directory_server
+    )
+    data["can_reach_cloud_auth"] = system_health.async_check_can_reach_url(
+        hass,
+        f"https://cognito-idp.{cloud.region}.amazonaws.com/{cloud.user_pool_id}/.well-known/jwks.json",
+    )
+    data["can_reach_cloud"] = system_health.async_check_can_reach_url(
+        hass, URL(cloud.relayer).with_scheme("https").with_path("/status")
+    )
+
+    return data