Projeto do Agent Contas ORACLE

agent_framework_oci/deploy/oke/load-test/loadgen/loadtest.js

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+import http from 'k6/http';
+import { check, sleep } from 'k6';
+import exec from 'k6/execution';
+import { Trend, Counter } from 'k6/metrics';
+
+const target = __ENV.LOADTEST_TARGET || 'http://agent-template-backend.agent-load-test.svc.cluster.local:8000';
+const agentId = __ENV.LOADTEST_AGENT_ID || 'telecom_contas';
+const tenantId = __ENV.LOADTEST_TENANT_ID || 'loadtest';
+const scenario = __ENV.LOADTEST_SCENARIO || 'unique_sessions';
+const message = __ENV.LOADTEST_MESSAGE || 'Explique em uma frase o que é uma fatura de telecom.';
+const rps = Number(__ENV.LOADTEST_RPS || 100);
+const duration = __ENV.LOADTEST_DURATION || '10m';
+const maxVUs = Number(__ENV.LOADTEST_MAX_VUS || 1000);
+
+const backendLatency = new Trend('agent_backend_latency', true);
+const errors = new Counter('agent_backend_errors');
+
+export const options = {
+  discardResponseBodies: false,
+  scenarios: {
+    requests: {
+      executor: 'constant-arrival-rate',
+      rate: rps,
+      timeUnit: '1s',
+      duration,
+      preAllocatedVUs: Math.min(maxVUs, Math.max(50, rps * 2)),
+      maxVUs,
+    },
+  },
+  thresholds: {
+    http_req_failed: ['rate<0.05'],
+    checks: ['rate>0.95'],
+  },
+};
+
+function sessionId() {
+  if (scenario === 'shared_sessions') {
+    return `shared-${exec.vu.idInTest % 100}`;
+  }
+  return `load-${exec.scenario.iterationInTest}-${exec.vu.idInTest}`;
+}
+
+export default function () {
+  const sid = sessionId();
+  const mid = `msg-${exec.scenario.iterationInTest}-${Date.now()}`;
+  const payload = JSON.stringify({
+    channel: 'web',
+    agent_id: agentId,
+    tenant_id: tenantId,
+    payload: {
+      text: message,
+      session_id: sid,
+      user_id: `user-${exec.vu.idInTest}`,
+      customer_id: `cust-${exec.vu.idInTest}`,
+      message_id: mid,
+      metadata: { load_test: true, scenario },
+    },
+  });
+  const started = Date.now();
+  const res = http.post(`${target}/gateway/message`, payload, {
+    headers: {
+      'Content-Type': 'application/json',
+      'X-Request-ID': mid,
+      'X-Load-Test': 'true',
+    },
+    timeout: __ENV.LOADTEST_HTTP_TIMEOUT || '180s',
+  });
+  backendLatency.add(Date.now() - started);
+  const ok = check(res, {
+    'status is 200': (r) => r.status === 200,
+    'response has body': (r) => !!r.body && r.body.length > 0,
+  });
+  if (!ok) errors.add(1);
+  sleep(Number(__ENV.LOADTEST_THINK_TIME || 0));
+}