xk6-frostfs/scenarios/grpc.js

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import native from 'k6/x/neofs/native';
import crypto from 'k6/crypto';
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;
/*
./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/grpc.js
Parse profile from env.
Format write:obj_size:
* write - write operations in percent, relative to read operations
* duration - duration in seconds
*/
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 payload = crypto.randomBytes(1024*parseInt(__ENV.WRITE_OBJ_SIZE))
let nodes = __ENV.NODES.split(',')
let rand_node = nodes[Math.floor(Math.random()*nodes.length)];
const neofs_cli = native.connect(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 containers: " + container_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 headers = {
'unique_header': uuidv4()
}
let container = container_list[Math.floor(Math.random()*container_list.length)];
let resp = neofs_cli.put( container, headers, 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 = neofs_cli.get(random_read_obj.container, 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);
});
}