xk6-frostfs/scenarios/http.js

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import datagen from 'k6/x/frostfs/datagen';
import registry from 'k6/x/frostfs/registry';
import http from 'k6/http';
import { SharedArray } from 'k6/data';
import { sleep } from 'k6';
const obj_list = new SharedArray('obj_list', function () {
return JSON.parse(open(__ENV.PREGEN_JSON)).objects;
});
const container_list = new SharedArray('container_list', function () {
return JSON.parse(open(__ENV.PREGEN_JSON)).containers;
});
const read_size = JSON.parse(open(__ENV.PREGEN_JSON)).obj_size;
// Select random HTTP endpoint for current VU
const http_endpoints = __ENV.HTTP_ENDPOINTS.split(',');
const http_endpoint = http_endpoints[Math.floor(Math.random() * http_endpoints.length)];
const log = logging.new().withField("endpoint", http_endpoint);
const registry_enabled = !!__ENV.REGISTRY_FILE;
const obj_registry = registry_enabled ? registry.open(__ENV.REGISTRY_FILE) : undefined;
const duration = __ENV.DURATION;
const generator = datagen.generator(1024 * parseInt(__ENV.WRITE_OBJ_SIZE));
const scenarios = {};
const write_vu_count = parseInt(__ENV.WRITERS || '0');
if (write_vu_count > 0) {
scenarios.write = {
executor: 'constant-vus',
vus: write_vu_count,
duration: `${duration}s`,
exec: 'obj_write',
gracefulStop: '5s',
}
}
const read_vu_count = parseInt(__ENV.READERS || '0');
if (read_vu_count > 0) {
scenarios.read = {
executor: 'constant-vus',
vus: read_vu_count,
duration: `${duration}s`,
exec: 'obj_read',
gracefulStop: '5s',
}
}
export const options = {
scenarios,
setupTimeout: '5s',
};
export function setup() {
const total_vu_count = write_vu_count + read_vu_count;
console.log(`Pregenerated containers: ${container_list.length}`);
console.log(`Pregenerated read object size: ${read_size}`);
console.log(`Pregenerated total objects: ${obj_list.length}`);
console.log(`Reading VUs: ${read_vu_count}`);
console.log(`Writing VUs: ${write_vu_count}`);
console.log(`Total VUs: ${total_vu_count}`);
}
export function teardown(data) {
if (obj_registry) {
obj_registry.close();
}
}
export function obj_write() {
if (__ENV.SLEEP_WRITE) {
sleep(__ENV.SLEEP_WRITE);
}
const container = container_list[Math.floor(Math.random() * container_list.length)];
const { payload, hash } = generator.genPayload(registry_enabled);
const data = {
field: uuidv4(),
file: http.file(payload, "random.data"),
};
const resp = http.post(`http://${http_endpoint}/upload/${container}`, data);
if (resp.status != 200) {
log.withFields({status: resp.status, cid: container}).error(resp.error);
return;
}
const object_id = JSON.parse(resp.body).object_id;
if (obj_registry) {
obj_registry.addObject(container, object_id, "", "", hash);
}
}
export function obj_read() {
if (__ENV.SLEEP_READ) {
sleep(__ENV.SLEEP_READ);
}
const obj = obj_list[Math.floor(Math.random() * obj_list.length)];
const resp = http.get(`http://${http_endpoint}/get/${obj.container}/${obj.object}`);
if (resp.status != 200) {
log.withFields({status: resp.status, cid: obj.container, oid: obj.object}).error(resp.error);
}
}
export function uuidv4() {
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
let r = Math.random() * 16 | 0, v = c === 'x' ? r : (r & 0x3 | 0x8);
return v.toString(16);
});
}