import datagen from 'k6/x/neofs/datagen'; 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; /* ./k6 run -e PROFILE=0:60 -e WRITE_OBJ_SIZE=1024 -e CLIENTS=200 -e NODES=node4.data:8084 -e PREGEN_JSON=test.json scenarios/s3_t.js Parse profile from env. Format write:obj_size: * write - write operations in percent, relative to read operations * duration - duration in seconds OBJ_NAME - this name will be used for all write operations instead of randow generation in case of declared. */ const [ write, duration ] = __ENV.PROFILE.split(':'); // Set VUs between write and read operations let vus_read = Math.ceil(__ENV.CLIENTS/100*(100-parseInt(write))) let vus_write = __ENV.CLIENTS - vus_read const generator = datagen.generator(1024 * parseInt(__ENV.WRITE_OBJ_SIZE)); let nodes = __ENV.NODES.split(',') let rand_node = nodes[Math.floor(Math.random()*nodes.length)]; let s3_cli = s3.connect(`http://${rand_node}`) let scenarios = {} if (vus_write > 0){ scenarios.write= { executor: 'constant-vus', vus: vus_write, duration: `${duration}s`, exec: 'obj_write', gracefulStop: '5s', } } if (vus_read > 0){ scenarios.read= { executor: 'constant-vus', vus: vus_read, duration: `${duration}s`, exec: 'obj_read', gracefulStop: '5s', } } export function setup() { console.log("Pregenerated buckets: " + bucket_list.length) console.log("Pregenerated read object size: " + read_size) console.log("Pregenerated total objects: " + obj_list.length) } export const options = { scenarios: scenarios, setupTimeout: '5s', }; export function obj_write() { let key = ""; if (__ENV.OBJ_NAME){ key = __ENV.OBJ_NAME; } else{ key = uuidv4(); } let bucket = bucket_list[Math.floor(Math.random()*bucket_list.length)]; const { payload } = generator.genPayload(false); let resp = s3_cli.put(bucket, key, payload) if (!resp.success) { console.log(resp.error); } if (__ENV.SLEEP) { sleep(__ENV.SLEEP); } } export function obj_read() { let random_read_obj = obj_list[Math.floor(Math.random()*obj_list.length)]; let resp = s3_cli.get(random_read_obj.bucket, random_read_obj.object) if (!resp.success) { console.log(resp.error); } if (__ENV.SLEEP) { sleep(__ENV.SLEEP); } } 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); }); }