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'; import { textSummary } from './libs/k6-summary-0.0.2.js'; 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; const summary_json = __ENV.SUMMARY_JSON || "/tmp/summary.json"; // 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: ${total_vu_count}`); } export function teardown(data) { if (obj_registry) { obj_registry.close(); } } export function handleSummary(data) { return { 'stdout': textSummary(data, { indent: ' ', enableColors: false }), [summary_json]: JSON.stringify(data), }; } export function obj_write() { if (__ENV.SLEEP_WRITE) { sleep(__ENV.SLEEP_WRITE); } const container = container_list[Math.floor(Math.random() * container_list.length)]; const { payload, hash } = generator.genPayload(registry_enabled); const data = { field: uuidv4(), file: http.file(payload, "random.data"), }; const resp = http.post(`http://${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); }); }