@inso_web/els-mcp/dist/http/routes/health.js

MCP-сервер поверх INSO Error Logs Service. Read-only tools (search, analytics, fingerprinting, correlations) для подключения Claude Desktop/Code и ChatGPT к логам ошибок. Streamable HTTP transport + stdio для npx-запуска.

import { Router } from 'express';
import os from 'node:os';
import { checkLiveness, checkReadiness, } from '../../observability/health.js';
export function createHealthRouter(opts = {}) {
    const router = Router();
    router.get('/health', insoHealthHandler()); // INSO Uptime contract
    router.get('/healthz', livenessHandler()); // legacy
    router.get('/ready', readinessHandler(opts)); // INSO Uptime contract
    router.get('/readyz', readinessHandler(opts)); // legacy
    return router;
}
function livenessHandler() {
    return function handler(_req, res) {
        const liv = checkLiveness();
        res.status(200).json({ status: liv.status, uptimeSec: liv.uptimeSec, version: liv.version });
    };
}
/**
 * INSO Uptime contract — формат идентичный другим микросервисам платформы
 * (см. error-logs-service/src/routes/health.routes.ts). LK health-monitor
 * парсит поле `version` (`BUILD_VERSION` из CI build timestamp).
 */
function insoHealthHandler() {
    return function handler(_req, res) {
        const liv = checkLiveness();
        res.status(200).json({
            status: liv.status,
            uptime: liv.uptimeSec,
            hostname: os.hostname(),
            version: process.env.BUILD_VERSION || liv.version,
        });
    };
}
function readinessHandler(opts) {
    return async function handler(_req, res) {
        // checks: { els: 'ok' | 'fail' | 'skip', redis: ... }
        // Используем общий checkReadiness с тем же контрактом.
        const checks = {};
        let allOk = true;
        if (opts.elsClient || opts.redis) {
            const result = await checkReadiness({
                ...(opts.elsClient ? { elsClient: opts.elsClient } : {}),
                ...(opts.redis ? { redis: opts.redis } : {}),
                ...(opts.log ? { log: opts.log } : {}),
                timeoutMs: 2000,
            });
            checks.els = opts.elsClient ? (result.checks.upstream.ok ? 'ok' : 'fail') : 'skip';
            checks.redis = opts.redis ? (result.checks.redis.ok ? 'ok' : 'fail') : 'skip';
            if (result.status !== 'ready')
                allOk = false;
        }
        else {
            checks.els = 'skip';
            checks.redis = 'skip';
        }
        for (const probe of opts.probes ?? []) {
            try {
                await probe.check();
                checks[probe.name] = 'ok';
            }
            catch (err) {
                opts.log?.warn?.({ err: errMsg(err), probe: probe.name }, 'readyz: probe failed');
                checks[probe.name] = 'fail';
                allOk = false;
            }
        }
        res.status(allOk ? 200 : 503).json({ status: allOk ? 'ok' : 'degraded', checks });
    };
}
function errMsg(err) {
    return err instanceof Error ? err.message : String(err);
}
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