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Instrument API timing and reduce detail fallbacks

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This commit is contained in:
2569718930@qq.com
2026-05-31 18:58:57 +08:00
parent 668f4d9bd3
commit 5083b7c433
18 changed files with 832 additions and 135 deletions
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frontend/app/api/cities/detail-batch/route.ts
+13 -3
View File
@@ -1,6 +1,10 @@
import { NextRequest, NextResponse } from "next/server";
import { proxyBackendJsonGet } from "@/lib/api-proxy";
import { buildCityDetailProxyCachePolicy } from "@/lib/proxy-cache-policy";
import {
createProxyTimer,
finishProxyTimedResponse,
} from "@/lib/proxy-timing";
const API_BASE = process.env.POLYWEATHER_API_BASE_URL;
const DETAIL_BATCH_PROXY_TIMEOUT_MS = Number(
@@ -8,10 +12,15 @@ const DETAIL_BATCH_PROXY_TIMEOUT_MS = Number(
);
export async function GET(req: NextRequest) {
const timer = createProxyTimer(req, "city_detail_batch");
if (!API_BASE) {
return NextResponse.json(
{ error: "POLYWEATHER_API_BASE_URL is not configured" },
{ status: 500 },
return finishProxyTimedResponse(
NextResponse.json(
{ error: "POLYWEATHER_API_BASE_URL is not configured" },
{ status: 500 },
),
timer,
"missing_api_base",
);
}
@@ -39,6 +48,7 @@ export async function GET(req: NextRequest) {
revalidateSeconds: cachePolicy.revalidateSeconds,
signal: controller.signal,
timeoutPublicMessage: "City detail batch request timed out",
timing: timer,
url: `${API_BASE}/api/cities/detail-batch?${searchParams.toString()}`,
});
} finally {
frontend/app/api/city/[name]/detail/route.ts
+38 -16
View File
@@ -9,6 +9,10 @@ import {
} from "@/lib/api-proxy";
import { buildCachedJsonResponse } from "@/lib/http-cache";
import { buildCityDetailProxyCachePolicy } from "@/lib/proxy-cache-policy";
import {
createProxyTimer,
finishProxyTimedResponse,
} from "@/lib/proxy-timing";
const API_BASE = process.env.POLYWEATHER_API_BASE_URL;
@@ -34,15 +38,16 @@ export async function GET(
req: NextRequest,
context: { params: Promise<{ name: string }> },
) {
const timer = createProxyTimer(req, "city_detail");
if (!API_BASE) {
const response = NextResponse.json(
{ error: "POLYWEATHER_API_BASE_URL is not configured" },
{ status: 500 },
);
return response;
return finishProxyTimedResponse(response, timer, "missing_api_base");
}
const { name } = await context.params;
const { name } = await timer.measure("route_params", () => context.params);
const forceRefresh = req.nextUrl.searchParams.get("force_refresh") ?? "false";
const cachePolicy = buildCityDetailProxyCachePolicy(forceRefresh, 15);
const depth = req.nextUrl.searchParams.get("depth");
@@ -67,31 +72,48 @@ export async function GET(
const url = `${API_BASE}/api/city/${encodeURIComponent(name)}/detail?${searchParams.toString()}`;
try {
const auth = await buildBackendRequestHeaders(req, {
includeSupabaseIdentity: false,
});
const res = await fetch(url, {
headers: auth.headers,
...(cachePolicy.fetchMode === "no-store"
? { cache: "no-store" as const }
: { next: { revalidate: cachePolicy.revalidateSeconds ?? 15 } }),
});
const auth = await timer.measure("auth_headers", () =>
buildBackendRequestHeaders(req, {
includeSupabaseIdentity: false,
}),
);
const res = await timer.measure("backend_fetch", () =>
fetch(url, {
headers: auth.headers,
...(cachePolicy.fetchMode === "no-store"
? { cache: "no-store" as const }
: { next: { revalidate: cachePolicy.revalidateSeconds ?? 15 } }),
}),
);
const backendServerTiming = res.headers.get("server-timing") || "";
if (!res.ok) {
const raw = await res.text();
const raw = await timer.measure("backend_read", () => res.text());
const response = buildUpstreamErrorResponse(res.status, raw);
return applyAuthResponseCookies(response, auth.response);
return finishProxyTimedResponse(
applyAuthResponseCookies(response, auth.response),
timer,
`upstream_${res.status}`,
{ backendServerTiming },
);
}
const data = normalizeCityDetailPayload(await res.json());
const data = normalizeCityDetailPayload(
await timer.measure("backend_read", () => res.json()),
);
const response = buildCachedJsonResponse(
req,
data,
cachePolicy.responseCacheControl,
);
return applyAuthResponseCookies(response, auth.response);
return finishProxyTimedResponse(
applyAuthResponseCookies(response, auth.response),
timer,
"ok",
{ backendServerTiming },
);
} catch (error) {
const response = buildProxyExceptionResponse(error, {
publicMessage: "Failed to fetch city detail aggregate",
});
return response;
return finishProxyTimedResponse(response, timer, "exception");
}
}
frontend/app/api/ops/online-users/route.ts
+42 -15
View File
@@ -5,27 +5,45 @@ import {
} from "@/lib/backend-auth";
import { buildProxyExceptionResponse } from "@/lib/api-proxy";
import { requireOpsProxyAuth } from "@/lib/ops-proxy-auth";
import {
createProxyTimer,
finishProxyTimedResponse,
} from "@/lib/proxy-timing";
const API_BASE = process.env.POLYWEATHER_API_BASE_URL;
export async function GET(req: NextRequest) {
const timer = createProxyTimer(req, "ops_online_users");
if (!API_BASE) {
return NextResponse.json(
{ error: "POLYWEATHER_API_BASE_URL is not configured" },
{ status: 500 },
return finishProxyTimedResponse(
NextResponse.json(
{ error: "POLYWEATHER_API_BASE_URL is not configured" },
{ status: 500 },
),
timer,
"missing_api_base",
);
}
try {
const auth = await buildBackendRequestHeaders(req);
const authError = requireOpsProxyAuth(req, auth);
if (authError) return authError;
const auth = await timer.measure("auth_headers", () =>
buildBackendRequestHeaders(req),
);
const authError = timer.measureSync("ops_auth", () =>
requireOpsProxyAuth(req, auth),
);
if (authError) {
return finishProxyTimedResponse(authError, timer, "ops_auth_error");
}
const res = await fetch(`${API_BASE}/api/ops/online-users`, {
headers: auth.headers,
cache: "no-store",
});
const raw = await res.text();
const res = await timer.measure("backend_fetch", () =>
fetch(`${API_BASE}/api/ops/online-users`, {
headers: auth.headers,
cache: "no-store",
}),
);
const backendServerTiming = res.headers.get("server-timing") || "";
const raw = await timer.measure("backend_read", () => res.text());
const response = new NextResponse(raw, {
status: res.status,
headers: {
@@ -33,10 +51,19 @@ export async function GET(req: NextRequest) {
"Cache-Control": "no-store",
},
});
return applyAuthResponseCookies(response, auth.response);
return finishProxyTimedResponse(
applyAuthResponseCookies(response, auth.response),
timer,
res.ok ? "ok" : `upstream_${res.status}`,
{ backendServerTiming },
);
} catch (error) {
return buildProxyExceptionResponse(error, {
publicMessage: "Failed to fetch online users",
});
return finishProxyTimedResponse(
buildProxyExceptionResponse(error, {
publicMessage: "Failed to fetch online users",
}),
timer,
"exception",
);
}
}
frontend/app/api/scan/terminal/route.ts
+13 -3
View File
@@ -2,6 +2,10 @@ import { NextRequest, NextResponse } from "next/server";
import { proxyBackendJsonGet } from "@/lib/api-proxy";
import { buildForceRefreshProxyCachePolicy } from "@/lib/proxy-cache-policy";
import { DASHBOARD_REFRESH_POLICY_SEC } from "@/lib/refresh-policy";
import {
createProxyTimer,
finishProxyTimedResponse,
} from "@/lib/proxy-timing";
const API_BASE = process.env.POLYWEATHER_API_BASE_URL;
const SCAN_TERMINAL_PROXY_TIMEOUT_MS = Number(
@@ -11,10 +15,15 @@ const SCAN_TERMINAL_PROXY_TIMEOUT_MS = Number(
export const maxDuration = 45;
export async function GET(req: NextRequest) {
const timer = createProxyTimer(req, "scan_terminal");
if (!API_BASE) {
return NextResponse.json(
{ error: "POLYWEATHER_API_BASE_URL is not configured" },
{ status: 500 },
return finishProxyTimedResponse(
NextResponse.json(
{ error: "POLYWEATHER_API_BASE_URL is not configured" },
{ status: 500 },
),
timer,
"missing_api_base",
);
}
@@ -61,6 +70,7 @@ export async function GET(req: NextRequest) {
revalidateSeconds: cachePolicy.revalidateSeconds,
signal: controller.signal,
timeoutPublicMessage: "Scan terminal request timed out",
timing: timer,
url,
});
} finally {