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