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fix(wingbits): add 5-minute backoff on /v1/flights failures #459

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Merged
koala73 merged 1 commit into from
Feb 27, 2026
Merged

fix(wingbits): add 5-minute backoff on /v1/flights failures #459

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18 changes: 17 additions & 1 deletion server/worldmonitor/military/v1/get-theater-posture.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,11 @@ const BACKUP_TTL = 604800;
// Flight fetching (OpenSky + Wingbits fallback)
// ========================================================================

// Backoff tracker: skip Wingbits calls for WINGBITS_BACKOFF_MS after a failure
// to avoid hammering the API with repeated 429s when OpenSky is down.
const WINGBITS_BACKOFF_MS = 5 * 60 * 1000; // 5 minutes
let wingbitsBackoffUntil = 0;

function getRelayRequestHeaders(): Record<string, string> {
const headers: Record<string, string> = {
Accept: 'application/json',
Expand Down Expand Up @@ -109,6 +114,10 @@ async function fetchMilitaryFlightsFromWingbits(): Promise<RawFlight[] | null> {
const apiKey = process.env.WINGBITS_API_KEY;
if (!apiKey) return null;

if (Date.now() < wingbitsBackoffUntil) {
return null;
}

const areas = POSTURE_THEATERS.map((t) => ({
alias: t.id,
by: 'box',
Expand All @@ -126,7 +135,13 @@ async function fetchMilitaryFlightsFromWingbits(): Promise<RawFlight[] | null> {
body: JSON.stringify(areas),
signal: AbortSignal.timeout(15_000),
});
if (!resp.ok) return null;
if (!resp.ok) {
console.warn(`[TheaterPosture] Wingbits ${resp.status} — backing off 5 min`);
wingbitsBackoffUntil = Date.now() + WINGBITS_BACKOFF_MS;
return null;
}

wingbitsBackoffUntil = 0;

const data = (await resp.json()) as Array<{ flights?: Array<Record<string, unknown>> }>;
const flights: RawFlight[] = [];
Expand Down Expand Up @@ -154,6 +169,7 @@ async function fetchMilitaryFlightsFromWingbits(): Promise<RawFlight[] | null> {
}
return flights;
} catch {
wingbitsBackoffUntil = Date.now() + WINGBITS_BACKOFF_MS;
return null;
}
}
Expand Down