Files
overlord/stress/ws-flood-10k.js
T
2026-03-05 00:04:26 -06:00

126 lines
3.3 KiB
JavaScript

import ws from "k6/ws";
import { sleep, check } from "k6";
const HOST = __ENV.HOST || "127.0.0.1";
const PORT = __ENV.PORT || "5173";
const SCHEME = __ENV.SCHEME || "wss";
const ROLE = __ENV.ROLE || "client";
const CLIENT_PREFIX = __ENV.CLIENT_PREFIX || "flood";
const AGENT_TOKEN = __ENV.AGENT_TOKEN || "";
const TLS_INSECURE = __ENV.TLS_INSECURE === "1" || __ENV.TLS_INSECURE === "true";
const HEARTBEAT_MS = Number(__ENV.HEARTBEAT_MS || 15000);
const INCLUDE_HELLO = __ENV.HELLO !== "0";
const RECONNECT = __ENV.RECONNECT === "1" || __ENV.RECONNECT === "true";
const RECONNECT_DELAY_MS = Number(__ENV.RECONNECT_DELAY_MS || 2000);
const SESSION_SEC = Number(__ENV.SESSION_SEC || 0);
const SLICE_SEC = Number(__ENV.SLICE_SEC || 60);
const TARGET_VUS = Number(__ENV.TARGET_VUS || 10000);
const RAMP_SEC = Number(__ENV.RAMP_SEC || 300);
const HOLD_SEC = Number(__ENV.HOLD_SEC || 600);
const RAMPDOWN_SEC = Number(__ENV.RAMPDOWN_SEC || 120);
export const options = {
scenarios: {
ws_flood: {
executor: "ramping-vus",
startVUs: 0,
stages: [
{ duration: `${RAMP_SEC}s`, target: TARGET_VUS },
{ duration: `${HOLD_SEC}s`, target: TARGET_VUS },
{ duration: `${RAMPDOWN_SEC}s`, target: 0 },
],
gracefulRampDown: "30s",
},
},
thresholds: {
ws_connecting: ["p(95)<1500"],
ws_sessions: ["count>0"],
checks: ["rate>0.99"],
},
insecureSkipTLSVerify: TLS_INSECURE,
};
function buildUrl(clientId) {
return `${SCHEME}://${HOST}:${PORT}/api/clients/${clientId}/stream/ws?role=${ROLE}`;
}
function connectAndHold(url, params, clientId, holdMs) {
let closed = false;
const res = ws.connect(url, params, (socket) => {
socket.on("open", () => {
if (INCLUDE_HELLO) {
socket.send(
JSON.stringify({
type: "hello",
id: clientId,
host: "flood",
os: "test",
arch: "x64",
version: "k6",
user: "k6",
monitors: 1,
country: "ZZ",
}),
);
}
socket.send(JSON.stringify({ type: "ping", ts: Date.now() }));
socket.setInterval(() => {
socket.send(JSON.stringify({ type: "ping", ts: Date.now() }));
}, HEARTBEAT_MS);
});
socket.on("message", () => {
// consume messages to avoid backpressure
});
socket.on("error", (e) => {
console.error(`ws error: ${e.error()}`);
closed = true;
});
socket.on("close", () => {
closed = true;
});
const start = Date.now();
while (!closed && Date.now() - start < holdMs) {
sleep(1);
}
});
check(res, {
"status 101": (r) => r && r.status === 101,
});
return res;
}
export default function () {
const clientId = `${CLIENT_PREFIX}-${__VU}-${__ITER}`;
const url = buildUrl(clientId);
const params = {};
if (AGENT_TOKEN) {
params.headers = { "X-Agent-Token": AGENT_TOKEN };
}
const totalSec = SESSION_SEC > 0 ? SESSION_SEC : HOLD_SEC + 60;
if (!RECONNECT) {
connectAndHold(url, params, clientId, totalSec * 1000);
return;
}
let remaining = totalSec;
while (remaining > 0) {
const slice = Math.min(remaining, SLICE_SEC);
connectAndHold(url, params, clientId, slice * 1000);
remaining -= slice;
if (remaining > 0) {
sleep(Math.max(RECONNECT_DELAY_MS, 0) / 1000);
}
}
}