release: prepare v0.9.7

backend/routers/health.py

@@ -0,0 +1,85 @@
+import time as _time_mod
+from fastapi import APIRouter, Request, Depends
+from fastapi.responses import JSONResponse
+from pydantic import BaseModel
+from limiter import limiter
+from auth import require_admin
+from services.data_fetcher import get_latest_data
+from services.schemas import HealthResponse
+import os
+
+APP_VERSION = os.environ.get("_HEALTH_APP_VERSION", "0.9.7")
+
+router = APIRouter()
+
+
+def _get_app_version() -> str:
+    # Import lazily to avoid circular import; main sets APP_VERSION before including routers
+    try:
+        import main as _main
+        return _main.APP_VERSION
+    except Exception:
+        return APP_VERSION
+
+
+_start_time_ref: dict = {"value": None}
+
+
+def _get_start_time() -> float:
+    if _start_time_ref["value"] is None:
+        try:
+            import main as _main
+            _start_time_ref["value"] = _main._start_time
+        except Exception:
+            _start_time_ref["value"] = _time_mod.time()
+    return _start_time_ref["value"]
+
+
+@router.get("/api/health", response_model=HealthResponse)
+@limiter.limit("30/minute")
+async def health_check(request: Request):
+    from services.fetchers._store import get_source_timestamps_snapshot
+    from services.slo import compute_all_statuses, summarise_statuses
+
+    d = get_latest_data()
+    last = d.get("last_updated")
+    timestamps = get_source_timestamps_snapshot()
+    slo_statuses = compute_all_statuses(d, timestamps)
+    slo_summary = summarise_statuses(slo_statuses)
+    # Top-level status reflects worst SLO result — "degraded" if any
+    # yellow, "error" if any red, "ok" otherwise. This is the single
+    # field an external probe / pager can watch.
+    top_status = "ok"
+    if slo_summary.get("red", 0) > 0:
+        top_status = "error"
+    elif slo_summary.get("yellow", 0) > 0:
+        top_status = "degraded"
+    return {
+        "status": top_status,
+        "version": _get_app_version(),
+        "last_updated": last,
+        "sources": {
+            "flights": len(d.get("commercial_flights", [])),
+            "military": len(d.get("military_flights", [])),
+            "ships": len(d.get("ships", [])),
+            "satellites": len(d.get("satellites", [])),
+            "earthquakes": len(d.get("earthquakes", [])),
+            "cctv": len(d.get("cctv", [])),
+            "news": len(d.get("news", [])),
+            "uavs": len(d.get("uavs", [])),
+            "firms_fires": len(d.get("firms_fires", [])),
+            "liveuamap": len(d.get("liveuamap", [])),
+            "gdelt": len(d.get("gdelt", [])),
+            "uap_sightings": len(d.get("uap_sightings", [])),
+        },
+        "freshness": timestamps,
+        "uptime_seconds": round(_time_mod.time() - _get_start_time()),
+        "slo": slo_statuses,
+        "slo_summary": slo_summary,
+    }
+
+
+@router.get("/api/debug-latest", dependencies=[Depends(require_admin)])
+@limiter.limit("30/minute")
+async def debug_latest_data(request: Request):
+    return list(get_latest_data().keys())