feat: add service discovery, OTel instrumentation, and k6 load tests (#1)

k6/load-test.js

@@ -0,0 +1,66 @@
+import http from 'k6/http';
+import { check, sleep, group } from 'k6';
+
+const vus = parseInt(__ENV.TEST_VUS || '10');
+const duration = __ENV.TEST_DURATION || '30s';
+const targetUrl = __ENV.TARGET_URL || 'http://frontend.demo-apps.svc.cluster.local:80';
+
+export const options = {
+  scenarios: {
+    load_test: {
+      executor: 'ramping-vus',
+      startVUs: 0,
+      stages: [
+        { duration: '10s', target: vus },
+        { duration: duration, target: vus },
+        { duration: '5s', target: 0 },
+      ],
+    },
+  },
+  thresholds: {
+    http_req_duration: ['p(95)<500'],
+    http_req_failed: ['rate<0.01'],
+  },
+};
+
+http.setResponseCallback(http.expectedStatuses({ min: 200, max: 399 }));
+
+export default function () {
+  group('Welcome Page', () => {
+    const res = http.get(`${targetUrl}/`);
+    check(res, {
+      'status is 200': (r) => r.status === 200,
+      'response time < 500ms': (r) => r.timings.duration < 500,
+    });
+  });
+
+  group('Owner API', () => {
+    let res = http.get(`${targetUrl}/owners/find`);
+    check(res, {
+      'status is 200': (r) => r.status === 200,
+      'response time < 500ms': (r) => r.timings.duration < 500,
+    });
+
+    res = http.post(`${targetUrl}/owners/new`, 'firstName=John&lastName=Doe&address=123+Main+St&city=Springfield&telephone=1234567890');
+    check(res, {
+      'status is 302': (r) => r.status === 302,
+    });
+  });
+
+  group('Vet API', () => {
+    const res = http.get(`${targetUrl}/vets`);
+    check(res, {
+      'status is 200': (r) => r.status === 200,
+      'response time < 500ms': (r) => r.timings.duration < 500,
+    });
+  });
+
+  group('Error Handling', () => {
+    const res = http.get(`${targetUrl}/oups`, { responseCallback: http.expectedStatuses(500) });
+    check(res, {
+      'status is 500': (r) => r.status === 500,
+    });
+  });
+
+  sleep(0.5);
+}