Files

76 lines
2.3 KiB
JavaScript

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));
}