mirror of
https://github.com/netdata/netdata.git
synced 2025-04-28 14:42:31 +00:00
278f062dc1
* Initial script for API load testing * Test only example chart * Saner tests * Add comments
67 lines
2.7 KiB
JavaScript
67 lines
2.7 KiB
JavaScript
import http from "k6/http";
|
|
import { log, check, group, sleep } from "k6";
|
|
import { Rate } from "k6/metrics";
|
|
|
|
// A custom metric to track failure rates
|
|
var failureRate = new Rate("check_failure_rate");
|
|
|
|
// Options
|
|
export let options = {
|
|
stages: [
|
|
// Linearly ramp up from 1 to 20 VUs during first 30s
|
|
{ target: 20, duration: "30s" },
|
|
// Hold at 50 VUs for the next 1 minute
|
|
{ target: 20, duration: "1m" },
|
|
// Linearly ramp down from 50 to 0 VUs over the last 10 seconds
|
|
{ target: 0, duration: "10s" }
|
|
],
|
|
thresholds: {
|
|
// We want the 95th percentile of all HTTP request durations to be less than 500ms
|
|
"http_req_duration": ["p(95)<500"],
|
|
// Requests with the fast tag should finish even faster
|
|
"http_req_duration{fast:yes}": ["p(99)<250"],
|
|
// Thresholds based on the custom metric we defined and use to track application failures
|
|
"check_failure_rate": [
|
|
// Global failure rate should be less than 1%
|
|
"rate<0.01",
|
|
// Abort the test early if it climbs over 5%
|
|
{ threshold: "rate<=0.05", abortOnFail: true },
|
|
],
|
|
},
|
|
};
|
|
|
|
function rnd(min, max) {
|
|
min = Math.ceil(min);
|
|
max = Math.floor(max);
|
|
return Math.floor(Math.random() * (max - min)) + min; //The maximum is exclusive and the minimum is inclusive
|
|
}
|
|
|
|
// Main function
|
|
export default function () {
|
|
// Control what the data request asks for
|
|
let charts = [ "example.random" ]
|
|
let chartmin = 0;
|
|
let chartmax = charts.length - 1;
|
|
let aftermin = 60;
|
|
let aftermax = 3600;
|
|
let beforemin = 3503600;
|
|
let beforemax = 3590000;
|
|
let pointsmin = 300;
|
|
let pointsmax = 3600;
|
|
|
|
group("Requests", function () {
|
|
// Execute multiple requests in parallel like a browser, to fetch data for the charts. The one taking the longes is the data request.
|
|
let resps = http.batch([
|
|
["GET", "http://localhost:19999/api/v1/info", { tags: { fast: "yes" } }],
|
|
["GET", "http://localhost:19999/api/v1/charts", { tags: { fast: "yes" } }],
|
|
["GET", "http://localhost:19999/api/v1/data?chart="+charts[rnd(chartmin,chartmax)]+"&before=-"+rnd(beforemin,beforemax)+"&after=-"+rnd(aftermin,aftermax)+"&points="+rnd(pointsmin,pointsmax)+"&format=json&group=average>ime=0&options=ms%7Cflip%7Cjsonwrap%7Cnonzero&_="+rnd(1,1000000000000), { }],
|
|
["GET", "http://localhost:19999/api/v1/alarms", { tags: { fast: "yes" } }]
|
|
]);
|
|
// Combine check() call with failure tracking
|
|
failureRate.add(!check(resps, {
|
|
"status is 200": (r) => r[0].status === 200 && r[1].status === 200
|
|
}));
|
|
});
|
|
|
|
sleep(Math.random() * 2 + 1); // Random sleep between 1s and 3s
|
|
}
|