arcadiasuite/server/miroflow/engine-proxy.ts

95 lines
3.2 KiB
TypeScript

import type { Express, Request, Response } from "express";
import crypto from "crypto";
import { createNode } from "../graph/service";
const MIROFLOW_HOST = process.env.MIROFLOW_HOST || "localhost";
const MIROFLOW_PORT = parseInt(process.env.MIROFLOW_PORT || "8006", 10);
const MIROFLOW_URL = `http://${MIROFLOW_HOST}:${MIROFLOW_PORT}`;
const MIROFLOW_TIMEOUT = 300_000; // 5 minutos — deepseek-r1:14b pode levar 60-120s
const MIROFLOW_HEALTH_TIMEOUT = 5_000; // 5 segundos para health check
async function proxyToMiroFlow(path: string, method: string = "GET", body?: object): Promise<any> {
const timeoutMs = path === "/health" ? MIROFLOW_HEALTH_TIMEOUT : MIROFLOW_TIMEOUT;
const controller = new AbortController();
const timeout = setTimeout(() => controller.abort(), timeoutMs);
try {
const response = await fetch(`${MIROFLOW_URL}${path}`, {
method,
headers: { "Content-Type": "application/json" },
body: body ? JSON.stringify(body) : undefined,
signal: controller.signal,
});
clearTimeout(timeout);
if (!response.ok) {
const err = await response.json().catch(() => ({ detail: response.statusText }));
throw new Error(err.detail || `MiroFlow error: ${response.status}`);
}
return await response.json();
} catch (err: any) {
clearTimeout(timeout);
if (err.name === "AbortError") throw new Error("MiroFlow timeout (300s)");
throw err;
}
}
async function registerExecutionInKG(req: Request, execData: any, inputBody: any): Promise<void> {
try {
const auditHash = crypto
.createHash("sha256")
.update(JSON.stringify({
execution_id: execData.execution_id,
agent: execData.agent,
model: execData.model,
input: inputBody,
output: execData.result,
}))
.digest("hex");
await createNode({
type: "miroflow_execution",
tenantId: (req.user as any)?.tenantId ?? null,
data: {
...execData,
input: inputBody,
auditHash,
immutable: true,
registeredAt: new Date().toISOString(),
},
});
} catch (kgErr: any) {
// KG failure não deve bloquear a resposta ao cliente
console.error("[MiroFlow] Falha ao registrar no KG:", kgErr.message);
}
}
export function registerMiroFlowRoutes(app: Express): void {
app.get("/api/miroflow/health", async (_req: Request, res: Response) => {
try {
const data = await proxyToMiroFlow("/health", "GET");
res.json({ online: true, url: MIROFLOW_URL, ...data });
} catch {
res.json({ online: false, url: MIROFLOW_URL });
}
});
app.post("/api/miroflow/analyze", async (req: Request, res: Response) => {
if (!req.isAuthenticated()) {
return res.status(401).json({ error: "Não autenticado" });
}
try {
const inputBody = {
...req.body,
tenant_id: (req.user as any)?.tenantId ?? null,
};
const data = await proxyToMiroFlow("/analyze", "POST", inputBody);
// Registrar no KG de forma assíncrona (não bloqueia a resposta)
registerExecutionInKG(req, data, req.body).catch(() => {});
res.json(data);
} catch (err: any) {
res.status(502).json({ error: err.message });
}
});
console.log(`[MiroFlow Proxy] Rotas registradas -> ${MIROFLOW_URL}`);
}