xk6-frostfs/scenarios/s3.js

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import datagen from 'k6/x/neofs/datagen';
import s3 from 'k6/x/neofs/s3';
import registry from 'k6/x/neofs/registry';
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 CLIENTS=200 -e WRITE_OBJ_SIZE=1024 \
-e S3_ENDPOINTS=host1:8084,host2:8084 -e PREGEN_JSON=test.json \
scenarios/s3.js
OBJ_NAME - if specified, this name will be used for all write operations instead of random generation.
REGISTRY - if set to "enabled", all produced objects will be stored in database for subsequent verification.
*/
// Parse profile from env
const [ write, duration ] = __ENV.PROFILE.split(':');
// Allocate VUs between write and read operations
let read_vu_count = Math.ceil(__ENV.CLIENTS / 100 * (100 - parseInt(write)));
let write_vu_count = __ENV.CLIENTS - read_vu_count;
// 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://${s3_endpoint}`);
const registry_enabled = (__ENV.REGISTRY || "").toLowerCase() == "enabled"
const generator = datagen.generator(1024 * parseInt(__ENV.WRITE_OBJ_SIZE));
const scenarios = {};
if (write_vu_count > 0){
scenarios.write = {
executor: 'constant-vus',
vus: write_vu_count,
duration: `${duration}s`,
exec: 'obj_write',
gracefulStop: '5s',
};
}
if (read_vu_count > 0){
scenarios.read = {
executor: 'constant-vus',
vus: read_vu_count,
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,
setupTimeout: '5s',
};
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 (registry_enabled) {
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 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);
});
}