Allow new UniFi flows to update existing entries if host and site match (#45668)

homeassistant/components/unifi/config_flow.py

@@ -38,9 +38,9 @@ from .const import (
     LOGGER,
 )
 from .controller import get_controller
-from .errors import AlreadyConfigured, AuthenticationRequired, CannotConnect
+from .errors import AuthenticationRequired, CannotConnect
 
-DEFAULT_PORT = 8443
+DEFAULT_PORT = 443
 DEFAULT_SITE_ID = "default"
 DEFAULT_VERIFY_SSL = False
 
@@ -76,7 +76,7 @@ class UnifiFlowHandler(config_entries.ConfigFlow, domain=UNIFI_DOMAIN):
         """Initialize the UniFi flow."""
         self.config = {}
         self.sites = None
-        self.reauth_config_entry = {}
+        self.reauth_config_entry = None
         self.reauth_config = {}
         self.reauth_schema = {}
 
@@ -146,7 +146,7 @@ class UnifiFlowHandler(config_entries.ConfigFlow, domain=UNIFI_DOMAIN):
         errors = {}
 
         if user_input is not None:
-            try:
+
             self.config[CONF_SITE_ID] = user_input[CONF_SITE_ID]
             data = {CONF_CONTROLLER: self.config}
 
@@ -159,20 +159,28 @@ class UnifiFlowHandler(config_entries.ConfigFlow, domain=UNIFI_DOMAIN):
                 )
                 return self.async_abort(reason="reauth_successful")
 
-                for entry in self._async_current_entries():
+            for config_entry in self._async_current_entries():
-                    controller = entry.data[CONF_CONTROLLER]
+                controller_data = config_entry.data[CONF_CONTROLLER]
                 if (
-                        controller[CONF_HOST] == self.config[CONF_HOST]
+                    controller_data[CONF_HOST] != self.config[CONF_HOST]
-                        and controller[CONF_SITE_ID] == self.config[CONF_SITE_ID]
+                    or controller_data[CONF_SITE_ID] != self.config[CONF_SITE_ID]
                 ):
-                        raise AlreadyConfigured
+                    continue
+
+                controller = self.hass.data.get(UNIFI_DOMAIN, {}).get(
+                    config_entry.entry_id
+                )
+
+                if controller and controller.available:
+                    return self.async_abort(reason="already_configured")
+
+                self.hass.config_entries.async_update_entry(config_entry, data=data)
+                await self.hass.config_entries.async_reload(config_entry.entry_id)
+                return self.async_abort(reason="configuration_updated")
 
             site_nice_name = self.sites[self.config[CONF_SITE_ID]]
             return self.async_create_entry(title=site_nice_name, data=data)
 
-            except AlreadyConfigured:
-                return self.async_abort(reason="already_configured")
-
         if len(self.sites) == 1:
             return await self.async_step_site({CONF_SITE_ID: next(iter(self.sites))})
 

homeassistant/components/unifi/strings.json

@@ -21,6 +21,7 @@
     },
     "abort": {
       "already_configured": "Controller site is already configured",
+      "configuration_updated": "Configuration updated.",
       "reauth_successful": "[%key:common::config_flow::abort::reauth_successful%]"
     }
   },

tests/components/unifi/test_config_flow.py

@@ -97,7 +97,7 @@ async def test_flow_works(hass, aioclient_mock, mock_discovery):
         CONF_HOST: "unifi",
         CONF_USERNAME: "",
         CONF_PASSWORD: "",
-        CONF_PORT: 8443,
+        CONF_PORT: 443,
         CONF_VERIFY_SSL: False,
     }
 
@@ -189,12 +189,9 @@ async def test_flow_works_multiple_sites(hass, aioclient_mock):
     assert result["data_schema"]({"site": "site2"})
 
 
-async def test_flow_fails_site_already_configured(hass, aioclient_mock):
+async def test_flow_raise_already_configured(hass, aioclient_mock):
-    """Test config flow."""
+    """Test config flow aborts since a connected config entry already exists."""
-    entry = MockConfigEntry(
+    await setup_unifi_integration(hass)
-        domain=UNIFI_DOMAIN, data={"controller": {"host": "1.2.3.4", "site": "site_id"}}
-    )
-    entry.add_to_hass(hass)
 
     result = await hass.config_entries.flow.async_init(
         UNIFI_DOMAIN, context={"source": "user"}
@@ -235,6 +232,58 @@ async def test_flow_fails_site_already_configured(hass, aioclient_mock):
     assert result["reason"] == "already_configured"
 
 
+async def test_flow_aborts_configuration_updated(hass, aioclient_mock):
+    """Test config flow aborts since a connected config entry already exists."""
+    entry = MockConfigEntry(
+        domain=UNIFI_DOMAIN, data={"controller": {"host": "1.2.3.4", "site": "office"}}
+    )
+    entry.add_to_hass(hass)
+
+    entry = MockConfigEntry(
+        domain=UNIFI_DOMAIN, data={"controller": {"host": "1.2.3.4", "site": "site_id"}}
+    )
+    entry.add_to_hass(hass)
+
+    result = await hass.config_entries.flow.async_init(
+        UNIFI_DOMAIN, context={"source": "user"}
+    )
+
+    assert result["type"] == data_entry_flow.RESULT_TYPE_FORM
+    assert result["step_id"] == "user"
+
+    aioclient_mock.get("https://1.2.3.4:1234", status=302)
+
+    aioclient_mock.post(
+        "https://1.2.3.4:1234/api/login",
+        json={"data": "login successful", "meta": {"rc": "ok"}},
+        headers={"content-type": CONTENT_TYPE_JSON},
+    )
+
+    aioclient_mock.get(
+        "https://1.2.3.4:1234/api/self/sites",
+        json={
+            "data": [{"desc": "Site name", "name": "site_id", "role": "admin"}],
+            "meta": {"rc": "ok"},
+        },
+        headers={"content-type": CONTENT_TYPE_JSON},
+    )
+
+    with patch("homeassistant.components.unifi.async_setup_entry"):
+        result = await hass.config_entries.flow.async_configure(
+            result["flow_id"],
+            user_input={
+                CONF_HOST: "1.2.3.4",
+                CONF_USERNAME: "username",
+                CONF_PASSWORD: "password",
+                CONF_PORT: 1234,
+                CONF_VERIFY_SSL: True,
+            },
+        )
+
+    assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
+    assert result["reason"] == "configuration_updated"
+
+
 async def test_flow_fails_user_credentials_faulty(hass, aioclient_mock):
     """Test config flow."""
     result = await hass.config_entries.flow.async_init(