feat: tag sessions with device_id-based sessionKey in federation_sessions

This commit is contained in:
Brian Krabach
2026-04-15 13:48:39 -07:00
parent c26c61b7da
commit 5510d9d008
2 changed files with 103 additions and 36 deletions
+23 -15
View File
@@ -1217,10 +1217,10 @@ async def auth_mode_endpoint():
return {"mode": _auth_mode, "user": username}
# Module-level cache: remote_id → {"sessions": [...], "fail_count": int}
# Module-level cache: remote_device_id → {"sessions": [...], "fail_count": int}
# Populated by fetch_remote() on every successful poll; returned on transient failures
# so a single slow/dropped request doesn't immediately evict a device from the UI.
_federation_cache: dict[int, dict] = {}
_federation_cache: dict[str, dict] = {}
_FEDERATION_GRACE_FAILURES = 3 # consecutive failures before marking unreachable
@@ -1235,9 +1235,10 @@ async def federation_sessions(request: Request) -> list[dict]:
"""
settings = load_settings()
local_device_name: str = settings.get("device_name", "")
local_device_id: str = load_device_id()
remote_instances: list[dict] = settings.get("remote_instances", [])
# Build local sessions with deviceName/remoteId tags
# Build local sessions with deviceId/deviceName/remoteId/sessionKey tags
names = get_session_list()
snapshots = get_snapshots()
state = await read_state()
@@ -1250,8 +1251,10 @@ async def federation_sessions(request: Request) -> list[dict]:
"name": name,
"snapshot": snapshots.get(name, ""),
"bell": bell,
"deviceId": local_device_id,
"deviceName": local_device_name,
"remoteId": None,
"sessionKey": f"{local_device_id}:{name}",
}
)
@@ -1271,7 +1274,7 @@ async def federation_sessions(request: Request) -> list[dict]:
url: str = remote.get("url", "")
key: str = remote.get("key", "")
remote_name: str = remote.get("name", url)
remote_id: int = i
remote_device_id: str = remote.get("device_id", str(i))
try:
resp = await http_client.get(
f"{url.rstrip('/')}/api/sessions",
@@ -1279,61 +1282,66 @@ async def federation_sessions(request: Request) -> list[dict]:
)
if resp.status_code in (401, 403):
# Auth failure — clear cache so stale data is not served
_federation_cache.pop(remote_id, None)
_federation_cache.pop(remote_device_id, None)
return [
{
"status": "auth_failed",
"remoteId": remote_id,
"deviceId": remote_device_id,
"remoteId": remote_device_id,
"deviceName": remote_name,
}
]
resp.raise_for_status()
sessions = resp.json()
# Tag each session with deviceName, remoteId, and unique sessionKey
# Tag each session with deviceId, deviceName, remoteId, and unique sessionKey
tagged = [
{
**s,
"deviceId": remote_device_id,
"deviceName": remote_name,
"remoteId": remote_id,
"sessionKey": f"{remote_id}:{s.get('name', '')}",
"remoteId": remote_device_id,
"sessionKey": f"{remote_device_id}:{s.get('name', '')}",
}
for s in sessions
]
# Update cache on every successful poll (even empty)
_federation_cache[remote_id] = {"sessions": tagged, "fail_count": 0}
_federation_cache[remote_device_id] = {"sessions": tagged, "fail_count": 0}
if not tagged:
# Device is online but has zero tmux sessions — show a status tile
# rather than making the device completely invisible.
return [
{
"status": "empty",
"remoteId": remote_id,
"deviceId": remote_device_id,
"remoteId": remote_device_id,
"deviceName": remote_name,
}
]
return tagged
except httpx.HTTPStatusError:
cached = _federation_cache.get(remote_id)
cached = _federation_cache.get(remote_device_id)
if cached and cached["fail_count"] < _FEDERATION_GRACE_FAILURES:
cached["fail_count"] += 1
return cached["sessions"]
return [
{
"status": "unreachable",
"remoteId": remote_id,
"deviceId": remote_device_id,
"remoteId": remote_device_id,
"deviceName": remote_name,
}
]
except Exception as exc:
_log.warning("Unexpected error fetching remote %s: %s", url, exc)
cached = _federation_cache.get(remote_id)
cached = _federation_cache.get(remote_device_id)
if cached and cached["fail_count"] < _FEDERATION_GRACE_FAILURES:
cached["fail_count"] += 1
return cached["sessions"]
return [
{
"status": "unreachable",
"remoteId": remote_id,
"deviceId": remote_device_id,
"remoteId": remote_device_id,
"deviceName": remote_name,
}
]
+80 -21
View File
@@ -1754,11 +1754,11 @@ def test_federation_sessions_returns_local_sessions(client, monkeypatch, tmp_pat
def test_federation_sessions_remote_id_is_integer_index(client, monkeypatch, tmp_path):
"""GET /api/federation/sessions returns integer remoteId (index) for remote sessions.
"""GET /api/federation/sessions returns device_id-based remoteId for remote sessions.
remoteId must be the enumerate index (0, 1, 2...) of the remote in
remote_instances -- NOT the URL string and NOT any 'id' field from the
remote config dict.
When a remote doesn't have a device_id field, remoteId falls back to str(index)
(e.g. '0', '1', '2'...) -- NOT the URL string and NOT any 'id' field from the
remote config dict. When device_id is set, it is used directly.
"""
import json
@@ -1823,37 +1823,43 @@ def test_federation_sessions_remote_id_is_integer_index(client, monkeypatch, tmp
(s for s in remote_entries if s.get("deviceName") == "spark-2"), None
)
assert spark2_session is not None, "Expected a session entry from spark-2"
assert spark2_session["remoteId"] == 0, (
f"remoteId for first remote (index 0) must be integer 0, "
assert spark2_session["remoteId"] == "0", (
f"remoteId for first remote (no device_id, index 0) must be string '0', "
f"got: {spark2_session['remoteId']!r}"
)
assert isinstance(spark2_session["remoteId"], int), (
f"remoteId must be an int, got {type(spark2_session['remoteId'])}"
assert isinstance(spark2_session["remoteId"], str), (
f"remoteId must be a str, got {type(spark2_session['remoteId'])}"
)
# The unreachable remote (spark-3, index 1) must have remoteId == 1
# The unreachable remote (spark-3, index 1) must have remoteId == '1'
spark3_entry = next(
(s for s in remote_entries if s.get("deviceName") == "spark-3"), None
)
assert spark3_entry is not None, "Expected a status entry from spark-3"
assert spark3_entry["remoteId"] == 1, (
f"remoteId for second remote (index 1) must be integer 1, "
assert spark3_entry["remoteId"] == "1", (
f"remoteId for second remote (no device_id, index 1) must be string '1', "
f"got: {spark3_entry['remoteId']!r}"
)
def test_federation_sessions_local_sessions_have_no_session_key(
def test_federation_sessions_local_sessions_have_session_key(
client, monkeypatch, tmp_path
):
"""GET /api/federation/sessions: local sessions must NOT have a sessionKey field.
"""GET /api/federation/sessions: local sessions must have sessionKey = 'deviceId:name'.
Local sessions use name as the unique key — no prefix needed since they
never collide with themselves.
Local sessions are tagged with sessionKey = f'{local_device_id}:{name}' so they
can be uniquely identified in the merged multi-device session list.
"""
import json
import muxplex.identity as identity_mod
import muxplex.settings as settings_mod
# Redirect identity file to a known UUID
identity_path = tmp_path / "identity.json"
identity_path.write_text(json.dumps({"device_id": "test-local-id"}))
monkeypatch.setattr(identity_mod, "IDENTITY_PATH", identity_path)
settings_path = tmp_path / "settings.json"
monkeypatch.setattr(settings_mod, "SETTINGS_PATH", settings_path)
@@ -1875,8 +1881,12 @@ def test_federation_sessions_local_sessions_have_no_session_key(
assert len(local_sessions) == 2, f"Expected 2 local sessions, got: {local_sessions}"
for local in local_sessions:
assert "sessionKey" not in local, (
f"Local session must NOT have sessionKey field, but got: {local}"
assert "sessionKey" in local, (
f"Local session must have sessionKey field, but got: {local}"
)
expected_key = f"test-local-id:{local['name']}"
assert local["sessionKey"] == expected_key, (
f"Local sessionKey must be '{expected_key}', got: {local['sessionKey']!r}"
)
@@ -2030,7 +2040,9 @@ def test_federation_sessions_includes_remote_failure_status(
)
entry = failure_entries[0]
assert entry["status"] == "unreachable"
assert entry.get("remoteId") == 0 # integer index, not the "id" field string
assert (
entry.get("remoteId") == "0"
) # device_id string (fallback to str(index) when no device_id)
# ---------------------------------------------------------------------------
@@ -3426,6 +3438,55 @@ def test_federation_connect_by_device_id(client, monkeypatch, tmp_path):
assert data["active_session"] == "my-session"
# ---------------------------------------------------------------------------
# Task-10: Tag Sessions with device_id
# ---------------------------------------------------------------------------
def test_federation_sessions_tags_local_with_device_id(client, monkeypatch, tmp_path):
"""GET /api/federation/sessions: local sessions have deviceId and sessionKey from identity.
The local device_id is loaded from the identity file and used to:
- tag each local session with deviceId: local_device_id
- build sessionKey: f'{local_device_id}:{name}'
"""
import json
import muxplex.identity as identity_mod
import muxplex.settings as settings_mod
# Redirect identity file to a known UUID
identity_path = tmp_path / "identity.json"
identity_path.write_text(json.dumps({"device_id": "local-uuid"}))
monkeypatch.setattr(identity_mod, "IDENTITY_PATH", identity_path)
# Set up settings with no remote instances
settings_path = tmp_path / "settings.json"
monkeypatch.setattr(settings_mod, "SETTINGS_PATH", settings_path)
settings_path.write_text(
json.dumps({"device_name": "my-machine", "remote_instances": []})
)
# Mock local session list
monkeypatch.setattr("muxplex.main.get_session_list", lambda: ["dev"])
monkeypatch.setattr("muxplex.main.get_snapshots", lambda: {"dev": ""})
response = client.get("/api/federation/sessions")
assert response.status_code == 200
data = response.json()
local_sessions = [s for s in data if s.get("remoteId") is None]
assert len(local_sessions) == 1, f"Expected 1 local session, got: {local_sessions}"
local = local_sessions[0]
assert local.get("deviceId") == "local-uuid", (
f"Local session must have deviceId='local-uuid', got: {local.get('deviceId')!r}"
)
assert local.get("sessionKey") == "local-uuid:dev", (
f"Local session must have sessionKey='local-uuid:dev', got: {local.get('sessionKey')!r}"
)
def test_federation_connect_device_id_not_found(client, monkeypatch, tmp_path):
"""POST /api/federation/{device_id}/connect/{session_name} returns 404 when device_id has no match.
@@ -3442,9 +3503,7 @@ def test_federation_connect_device_id_not_found(client, monkeypatch, tmp_path):
# No remotes configured — any device_id lookup returns None
settings_path.write_text(json.dumps({"remote_instances": []}))
response = client.post(
"/api/federation/nonexistent-device/connect/my-session"
)
response = client.post("/api/federation/nonexistent-device/connect/my-session")
assert response.status_code == 404, (
f"Expected 404 for unknown device_id, got {response.status_code}: {response.text}"
)