import datagen from 'k6/x/neofs/datagen'; import registry from 'k6/x/neofs/registry'; import s3 from 'k6/x/neofs/s3'; 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 bucket_list = new SharedArray('bucket_list', function () { return JSON.parse(open(__ENV.PREGEN_JSON)).buckets; }); const read_size = JSON.parse(open(__ENV.PREGEN_JSON)).obj_size; // Select random S3 endpoint for current VU const s3_endpoints = __ENV.S3_ENDPOINTS.split(','); const s3_endpoint = s3_endpoints[Math.floor(Math.random() * s3_endpoints.length)]; const s3_client = s3.connect(`http://${s3_endpoint}`); const registry_enabled = !!__ENV.REGISTRY_FILE; const obj_registry = registry_enabled ? registry.open(__ENV.REGISTRY_FILE) : undefined; const duration = __ENV.DURATION; const delete_age = __ENV.DELETE_AGE ? parseInt(__ENV.DELETE_AGE) : undefined; let obj_to_delete_selector = undefined; if (registry_enabled && delete_age) { obj_to_delete_selector = registry.getSelector( __ENV.REGISTRY_FILE, "obj_to_delete", { status: "created", age: delete_age, } ); } const generator = datagen.generator(1024 * parseInt(__ENV.WRITE_OBJ_SIZE)); const scenarios = {}; const write_vu_count = parseInt(__ENV.WRITERS || '0'); if (write_vu_count > 0) { scenarios.write = { executor: 'constant-vus', vus: write_vu_count, duration: `${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: `${duration}s`, exec: 'obj_read', gracefulStop: '5s', }; } const delete_vu_count = parseInt(__ENV.DELETERS || '0'); if (delete_vu_count > 0) { scenarios.delete = { executor: 'constant-vus', vus: delete_vu_count, duration: `${duration}s`, exec: 'obj_delete', gracefulStop: '5s', }; } export const options = { scenarios, setupTimeout: '5s', }; export function setup() { const total_vu_count = write_vu_count + read_vu_count + delete_vu_count; console.log(`Pregenerated buckets: ${bucket_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(`Deleting VUs: ${delete_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) { sleep(__ENV.SLEEP); } const key = __ENV.OBJ_NAME || uuidv4(); const bucket = bucket_list[Math.floor(Math.random() * bucket_list.length)]; const { payload, hash } = generator.genPayload(registry_enabled); const resp = s3_client.put(bucket, key, payload); if (!resp.success) { console.log(resp.error); return; } if (obj_registry) { obj_registry.addObject("", "", bucket, key, hash); } } export function obj_read() { if (__ENV.SLEEP) { sleep(__ENV.SLEEP); } const obj = obj_list[Math.floor(Math.random() * obj_list.length)]; const resp = s3_client.get(obj.bucket, obj.object); if (!resp.success) { console.log(resp.error); } } export function obj_delete() { if (__ENV.SLEEP) { sleep(__ENV.SLEEP); } const obj = obj_to_delete_selector.nextObject(); if (!obj) { // If there are no objects to delete, we reset selector to start scanning from the // beginning of registry. Then we wait for some time until suitable object might appear obj_to_delete_selector.reset(delete_age); sleep(delete_age / 2); return; } const resp = s3_client.delete(obj.s3_bucket, obj.s3_key); if (!resp.success) { console.log(`Error deleting object ${obj.id}: ${resp.error}`); return; } obj_registry.deleteObject(obj.id); } 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); }); }