1
function shouldChaos() {
2
  return Math.random() < 0.1; // 10% chaos for Analytics
3
}
4
 
5
function getChaoticAnalyticsResponse() {
6
  const chaos = Math.random();
7
  if (chaos < 0.3) {
8
    // Data ingestion limit exceeded
9
    return new Response('Daily quota exceeded', { status: 429 });
10
  } else if (chaos < 0.5) {
11
    // Invalid data format
12
    return new Response('Invalid analytics data format', { status: 400 });
13
  } else if (chaos < 0.7) {
14
    // Service temporarily down
15
    return new Response('Analytics service temporarily unavailable', {
16
      status: 503,
17
    });
18
  } else if (chaos < 0.9) {
19
    // Success but with warning
20
    return new Response('Data accepted with warnings', { status: 202 });
21
  } else {
22
    // Unexpected server behavior
23
    return new Response('<html><body>Maintenance page</body></html>', {
24
      status: 200,
25
      headers: { 'Content-Type': 'text/html' },
26
    });
27
  }
28
}
29
 
30
export default {
31
  async fetch(request, env, ctx) {
32
    // Random chaos injection
33
    if (shouldChaos()) {
34
      return getChaoticAnalyticsResponse();
35
    }
36
 
37
    // Analytics Engine accepts data points via HTTP POST
38
    if (request.method === 'POST') {
39
      const body = await request.text();
40
      console.log('Analytics data received:', body.slice(0, 100));
41
 
42
      // Sometimes simulate processing delay or partial acceptance
43
      if (Math.random() < 0.05) {
44
        return new Response('Partial data accepted', { status: 206 });
45
      }
46
 
47
      return new Response('', { status: 200 });
48
    }
49
 
50
    return new Response('Analytics mock ready', { status: 200 });
51
  },
52
};