arcadiasuite/server/bi/metaset-proxy.ts

40 lines
1.3 KiB
TypeScript

import { Express, Response } from "express";
import { createProxyMiddleware } from "http-proxy-middleware";
const METASET_HOST = process.env.METASET_HOST || "metaset";
const METASET_PORT = parseInt(process.env.METASET_PORT || "8100", 10);
const METASET_TIMEOUT = 60000;
export function setupMetasetProxy(app: Express): void {
const target = `http://${METASET_HOST}:${METASET_PORT}`;
const metasetProxy = createProxyMiddleware({
target,
changeOrigin: true,
timeout: METASET_TIMEOUT,
proxyTimeout: METASET_TIMEOUT,
pathRewrite: { "^/metaset": "" },
on: {
error: (err, _req, res) => {
console.error("[Metaset Proxy] Error:", err.message);
if (res && typeof (res as Response).status === "function") {
(res as Response).status(502).json({
error: "Metaset indisponível",
message: "O Metaset BI está iniciando. Tente novamente em alguns segundos.",
target,
});
}
},
proxyRes: (proxyRes) => {
const location = proxyRes.headers["location"];
if (location && typeof location === "string" && location.startsWith("/")) {
proxyRes.headers["location"] = `/metaset${location}`;
}
},
},
});
app.use("/metaset", metasetProxy);
console.log(`[Metaset Proxy] Configurado -> /metaset/* => ${target}`);
}