Log Drains Reference

 
[
  {
    "id": <identifier>,
    "message": <Log messages that push the log over 256 KB can be truncated to only show tail>,
    "timestamp": <timestamp>,
    "type": <"stdout" or "stderr">,
    "source": <"build", "static", "external", or "lambda">,
    "projectId": <identifier of project>,
    "deploymentId": <identifier of deployment>,
    "buildId": <identifier of build>,
    "host": <deployment unique url hostname>,
    "entrypoint": <entrypoint>
  },
  {
    "id": <identifier>,
    "message": <Log messages that push the log over 256 KB can be truncated to only show tail >,
    "timestamp": <timestamp>,
    "requestId": <identifier of request>,
    "statusCode": <HTTP status code of request>,
    "source": <"build", "static", "external", or "lambda">,
    "projectId": <identifier of project>,
    "deploymentId": <identifier of deployment>,
    "buildId": <identifier of build only on build logs>,
    "destination": <origin of external content only on external logs>,
    "host": <deployment unique url hostname>,
    "path": <function or the dynamic path of the request>,
    "executionRegion": <region where the request is executed>,
    "level": <"error", "warning", or "info">,
    "proxy": {
      "timestamp": <timestamp of proxy request>,
      "method": <method of request>,
      "scheme": <protocol of request>,
      "host": <alias hostname if exists>,
      "path": <request path>,
      "userAgent": <user agent>,
      "referer": <referer>,
      "statusCode": <HTTP status code of proxy request>,
      "clientIp": <client IP>,
      "region": <region request is processed>,
      "cacheId": <original request id when request is served from cache>,
      "vercelCache": <the X-Vercel-Cache value sent to the browser>,
      "wafAction": <the action taken by firewall rules if they exist>,
      "wafRule": <the id of the rule that matched the request if it exists>
    }
  }
]
 

{"id": "1573817187330377061717300000","message": "done","timestamp": 1573817187330,"type": "stdout","source": "build","projectId": "abcdefgdufoJxB6b9b1fEqr1jUtFkyavUURbnDCFCnZxgs","deploymentId": "dpl_233NRGRjVZX1caZrXWtz5g1TAksD","buildId": "bld_cotnkcr76","host": "*.vercel.app","entrypoint": "api/index.js"}
{"id": "1573817250283254651097202070","message": "START RequestId: 643af4e3-975a-4cc7-9e7a-1eda11539d90 Version: $LATEST\\n2019-11-15T11:27:30.721Z\\t643af4e3-975a-4cc7-9e7a-1eda11539d90\\tINFO\\thello\\nEND RequestId: 643af4e3-975a-4cc7-9e7a-1eda11539d90\\nREPORT RequestId: 643af4e3-975a-4cc7-9e7a-1eda11539d90\\tDuration: 16.76 ms\\tBilled Duration: 100 ms\\tMemory Size: 1024 MB\\tMax Memory Used: 78 MB\\tInit Duration: 186.49 ms\\t\\n","timestamp": 1573817250283,"source": "lambda","requestId": "894xj-1573817250172-7847d20a4939","statusCode": 200,"proxy": {"timestamp": 1573817250172,"path": "/dynamic/some-value.json?route=some-value","userAgent": ["Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.97 Safari/537.36"],"referer": "*.vercel.app","method": "GET","scheme": "https","host": "test.vercel.app","statusCode": 200,"clientIp": "120.75.16.101","region": "sfo1"},"projectId": "abcdefgdufoJxB6b9b1fEqr1jUtFkyavUURbnDCFCnZxgs","deploymentId": "dpl_233NRGRjVZX1caZrXWtz5g1TAksD","host": "test-3i9jacdr-team-name.vercel.app","path": "/dynamic/[route].json"}

 
425 <142>1 2019-11-15T11:42:22.562Z *.vercel.app now proxy - [proxy@54735 requestId="q8k4w-1573818142562-9adfb40ce9d4" statusCode="200" method="GET" path="/api" userAgent="Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.97 Safari/537.36" referer="*.vercel.app" clientIp="120.75.16.101" region="sfo1" signature="b847f4dd531d0b41094fb4b38fd62bde0b0e29a5"]587 <150>1 2019-11-15T11:42:22.833Z *.vercel.app now lambda - [lambda@54735 requestId="q8k4w-1573818142562-9adfb40ce9d4" statusCode="200" path="api/index.js" signature="0900101157dac2a2e555524c2f8d61229b15307d"] BOMSTART RequestId: ec00309f-4514-4128-8b8a-9a0e74900283 Version: $LATEST
2019-11-15T11:42:23.176Z\\tec00309f-4514-4128-8b8a-9a0e74900283\\tINFO\\thello
END RequestId: ec00309f-4514-4128-8b8a-9a0e74900283
REPORT RequestId: ec00309f-4514-4128-8b8a-9a0e74900283\\tDuration: 20.08 ms\\tBilled Duration: 100 ms Memory Size: 1024 MB\\tMax Memory Used: 77 MB\\tInit Duration: 157.97 ms
 

import crypto from 'crypto';
 
export async function GET(request: Request) {
  const { INTEGRATION_SECRET } = process.env;
 
  if (typeof INTEGRATION_SECRET != 'string') {
    throw new Error('No integration secret found');
  }
 
  const rawBody = await request.text();
  const rawBodyBuffer = Buffer.from(rawBody, 'utf-8');
  const bodySignature = sha1(rawBodyBuffer, INTEGRATION_SECRET);
 
  if (bodySignature !== request.headers.get('x-vercel-signature')) {
    return Response.json({
      code: 'invalid_signature',
      error: "signature didn't match",
    });
  }
 
  console.log(rawBody);
 
  response.status(200).end();
}
 
async function sha1(data: Buffer, secret: string): string {
  return crypto.createHmac('sha1', secret).update(data).digest('hex');
}

{
  "sources": ["static", "lambda", "edge"]
}

{
  "environments": ["production", "preview"]
}

{
  "samplingRate": 0.5 // 50% of all log lines
}