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Update changelog, enhance connection checks, and add lightweight gateway status check

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techartdev
2026-02-20 14:23:06 +02:00
parent b87702bef0
commit 793ea1488f
4 changed files with 119 additions and 38 deletions
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CHANGELOG.md
+20
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@@ -2,6 +2,26 @@
All notable changes to the OpenClaw Home Assistant Integration will be documented in this file.
## [0.1.4] - 2026-02-20
### Fixed
- **Connection probe no longer uses `/v1/models`** — the OpenClaw gateway does
not implement that endpoint (only `/v1/chat/completions` is registered when
`enable_openai_api` is enabled). Unrecognised routes fall through to the SPA
catch-all and return HTML, which caused every connection check to fail with
`openai_api_disabled` even when the API was actually enabled.
- `async_check_connection()` now POSTs to `/v1/chat/completions` with an empty
messages body. The gateway's auth middleware validates the token first, then
the endpoint returns a JSON error for the invalid body — proving server is
reachable, API is enabled, and the token is accepted. No LLM call is made.
- Coordinator polling now uses `async_check_alive()` (lightweight base-URL GET)
for connectivity, with `async_get_models()` as a best-effort call that is
silently ignored if the endpoint doesn't exist.
### Added
- New `async_check_alive()` method — simple HTTP GET to the gateway base URL to
confirm the gateway process is running (does not verify auth or API status).
## [0.1.3] - 2026-02-20
### Fixed
custom_components/openclaw/api.py
+68 -10
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@@ -287,28 +287,86 @@ class OpenClawApiClient:
) from err
async def async_check_connection(self) -> bool:
"""Check if the gateway is reachable and authenticated.
"""Check if the gateway is reachable, API is enabled, and auth works.
Uses the /v1/models endpoint as a lightweight probe — the only
consistently available GET endpoint on the OpenClaw gateway.
The OpenClaw gateway only implements /v1/chat/completions (not
/v1/models). We send a POST with an empty messages list — the gateway
auth middleware validates the token first, then the endpoint returns a
400 (or similar) for the invalid body. This proves:
- Server is reachable.
- The OpenAI-compatible API layer is enabled (enable_openai_api).
- The auth token is accepted.
The /v1/models endpoint requires 'enable_openai_api' to be enabled in
the addon configuration. If the gateway returns HTML instead of JSON,
the OpenAI-compatible API is likely disabled and an OpenClawApiError
is raised so the caller can surface a meaningful error.
If the route is not registered (API disabled) the SPA catch-all
returns 200 text/html — detected via content-type check.
Returns:
True if connected and authenticated.
Raises:
OpenClawAuthError: If authentication fails.
OpenClawApiError: If the gateway returns an unexpected response
(e.g. HTML when enable_openai_api is disabled).
OpenClawApiError: If the gateway returns HTML (API not enabled).
OpenClawConnectionError: If the gateway is unreachable.
"""
await self.async_get_models()
session = await self._get_session()
url = f"{self._base_url}{API_CHAT_COMPLETIONS}"
try:
async with session.post(
url,
headers=self._headers(),
json={"messages": [], "stream": False},
timeout=API_TIMEOUT,
) as resp:
if resp.status in (401, 403):
raise OpenClawAuthError(
"Authentication failed — check gateway token"
)
content_type = resp.content_type or ""
if "json" not in content_type:
text = await resp.text()
raise OpenClawApiError(
f"Gateway returned '{content_type}' instead of JSON. "
"The OpenAI-compatible API is likely not enabled. "
"Enable 'enable_openai_api' in the addon settings "
f"and restart. Response: {text[:200]}"
)
# Any JSON response (200, 400, 422, etc.) means the
# endpoint exists, auth passed, and the API layer is active.
return True
except (aiohttp.ClientConnectorError, aiohttp.ClientOSError, asyncio.TimeoutError) as err:
raise OpenClawConnectionError(
f"Cannot connect to OpenClaw gateway at {url}: {err}"
) from err
async def async_check_alive(self) -> bool:
"""Lightweight connectivity check — is the gateway process running?
Sends a GET to the base URL. The SPA catch-all returns 200 HTML for
any route, so any non-error HTTP response means the server is alive.
Auth is NOT verified here (the SPA ignores tokens).
Returns:
True if the gateway HTTP server is responding.
Raises:
OpenClawConnectionError: If the gateway is unreachable.
"""
session = await self._get_session()
try:
async with session.get(
self._base_url,
timeout=API_TIMEOUT,
) as resp:
return resp.status < 500
except (aiohttp.ClientConnectorError, aiohttp.ClientOSError, asyncio.TimeoutError) as err:
raise OpenClawConnectionError(
f"Cannot connect to OpenClaw gateway: {err}"
) from err
async def async_close(self) -> None:
"""Close the HTTP session."""
if self._session and not self._session.closed:
custom_components/openclaw/coordinator.py
+29 -26
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@@ -80,42 +80,31 @@ class OpenClawCoordinator(DataUpdateCoordinator[dict[str, Any]]):
async def _async_update_data(self) -> dict[str, Any]:
"""Fetch data from the OpenClaw gateway.
The OpenClaw gateway only exposes OpenAI-compatible endpoints.
/v1/models is used as both the connectivity probe and the model
data source; /api/status and /api/sessions do not exist on the
gateway — it returns its SPA home page for unknown routes.
The OpenClaw gateway does not implement /v1/models — only
/v1/chat/completions is guaranteed. We use a lightweight base-URL
ping (``async_check_alive``) to confirm the gateway process is
running and then attempt ``async_get_models`` as a best-effort call.
Returns:
Aggregated data dict for all entities.
"""
data = self._offline_data()
# ── Connectivity check (base URL ping) ─────────────────────
try:
models_resp = await self.client.async_get_models()
models = models_resp.get("data", [])
alive = await self.client.async_check_alive()
if not alive:
return data
data[DATA_STATUS] = "online"
data[DATA_CONNECTED] = True
data[DATA_GATEWAY_VERSION] = None # Not exposed by gateway API
data[DATA_UPTIME] = None # Not exposed by gateway API
data[DATA_SESSION_COUNT] = 0 # Sessions API does not exist
data[DATA_SESSIONS] = [] # Sessions API does not exist
data[DATA_GATEWAY_VERSION] = None
data[DATA_UPTIME] = None
data[DATA_SESSION_COUNT] = 0
data[DATA_SESSIONS] = []
data[DATA_LAST_ACTIVITY] = self._last_activity
self._consecutive_failures = 0
if models:
current = models[0]
self._model_cache = {
DATA_MODEL: current.get("id", "unknown"),
DATA_PROVIDER: current.get("owned_by"),
DATA_CONTEXT_WINDOW: current.get("context_window"),
}
except OpenClawAuthError as err:
_LOGGER.warning("Gateway auth failed during poll: %s", err)
await self._try_refresh_token()
return data
except OpenClawConnectionError:
self._consecutive_failures += 1
if self._consecutive_failures <= 3:
@@ -127,9 +116,23 @@ class OpenClawCoordinator(DataUpdateCoordinator[dict[str, Any]]):
)
return data
except OpenClawApiError as err:
_LOGGER.warning("Error fetching gateway models: %s", err)
return data
# ── Best-effort model info (/v1/models may not exist) ──────
try:
models_resp = await self.client.async_get_models()
models = models_resp.get("data", [])
if models:
current = models[0]
self._model_cache = {
DATA_MODEL: current.get("id", "unknown"),
DATA_PROVIDER: current.get("owned_by"),
DATA_CONTEXT_WINDOW: current.get("context_window"),
}
except OpenClawAuthError as err:
_LOGGER.warning("Gateway auth failed during poll: %s", err)
await self._try_refresh_token()
except OpenClawApiError:
# /v1/models not implemented — expected, not an error
pass
data.update(self._model_cache)
return data
custom_components/openclaw/manifest.json
+1 -1
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@@ -8,7 +8,7 @@
"iot_class": "local_polling",
"issue_tracker": "https://github.com/techartdev/OpenClawHomeAssistant/issues",
"requirements": [],
"version": "0.1.3",
"version": "0.1.4",
"dependencies": ["conversation"],
"after_dependencies": ["hassio"]
}