xk6-frostfs/scenarios/s3_dar.js

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import {sleep} from 'k6';
import {SharedArray} from 'k6/data';
import exec from 'k6/execution';
import logging from 'k6/x/frostfs/logging';
import registry from 'k6/x/frostfs/registry';
import s3 from 'k6/x/frostfs/s3';
import stats from 'k6/x/frostfs/stats';
import {newGenerator} from './libs/datagen.js';
import {parseEnv} from './libs/env-parser.js';
import {textSummary} from './libs/k6-summary-0.0.2.js';
import {uuidv4} from './libs/k6-utils-1.4.0.js';
parseEnv();
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;
const summary_json = __ENV.SUMMARY_JSON || '/tmp/summary.json';
const no_verify_ssl = __ENV.NO_VERIFY_SSL || 'true';
const connection_args = {
no_verify_ssl : no_verify_ssl
}
// 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(s3_endpoint, connection_args);
const log = logging.new().withField('endpoint', s3_endpoint);
const registry_enabled = !!__ENV.REGISTRY_FILE;
const obj_registry =
registry_enabled ? registry.open(__ENV.REGISTRY_FILE) : undefined;
const duration = __ENV.DURATION;
if (!!__ENV.METRIC_TAGS) {
stats.setTags(__ENV.METRIC_TAGS)
}
const read_age = __ENV.READ_AGE ? parseInt(__ENV.READ_AGE) : 10;
let obj_to_read_selector = undefined;
if (registry_enabled) {
obj_to_read_selector = registry.getSelector(
__ENV.REGISTRY_FILE, 'obj_to_read',
__ENV.SELECTION_SIZE ? parseInt(__ENV.SELECTION_SIZE) : 0, {
status : 'created',
age : read_age,
})
}
const scenarios = {};
const write_vu_count = parseInt(__ENV.WRITERS || '0');
const generator = newGenerator(write_vu_count > 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_age = __ENV.DELETE_AGE ? parseInt(__ENV.DELETE_AGE) : undefined;
let obj_to_delete_selector = undefined;
let obj_to_delete_exit_on_null = undefined;
if (registry_enabled ) {
obj_to_delete_exit_on_null = (write_vu_count == 0) && (read_vu_count == 0)
let constructor = obj_to_delete_exit_on_null ? registry.getOneshotSelector
: registry.getSelector;
obj_to_delete_selector =
constructor(__ENV.REGISTRY_FILE, 'obj_to_delete',
__ENV.SELECTION_SIZE ? parseInt(__ENV.SELECTION_SIZE) : 0, {
status : 'read',
age : delete_age,
});
}
const delete_vu_count = parseInt(__ENV.DELETERS || '0');
if (delete_vu_count > 0) {
if (!obj_to_delete_selector) {
throw 'Positive DELETE worker number without a proper object selector';
}
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}`);
const start_timestamp = Date.now()
console.log(
`Load started at: ${Date(start_timestamp).toString()}`)
}
export function teardown(data) {
if (obj_registry) {
obj_registry.close();
}
const end_timestamp = Date.now()
console.log(
`Load finished at: ${Date(end_timestamp).toString()}`)
}
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);
}
let width = parseInt(__ENV.DIR_WIDTH || '0');
let height = parseInt(__ENV.DIR_HEIGHT || '0');
let key = ''
if (width > 0 && height > 0) {
for (let index = 0; index < height; index++) {
const w = Math.floor(Math.random() * width) + 1
key = key + 'dir' + w + '/'
}
}
key += (__ENV.OBJ_NAME || uuidv4());
const bucket = bucket_list[Math.floor(Math.random() * bucket_list.length)];
const payload = generator.genPayload();
const resp = s3_client.put(bucket, key, payload);
if (!resp.success) {
log.withFields({bucket : bucket, key : key}).error(resp.error);
return;
}
if (obj_registry) {
obj_registry.addObject('', '', bucket, key, payload.hash());
}
}
export function obj_read() {
if (__ENV.SLEEP_READ) {
sleep(__ENV.SLEEP_READ);
}
if (obj_to_read_selector) {
const obj = obj_to_read_selector.nextObject();
if (!obj ) {
return;
}
const resp = s3_client.get(obj.s3_bucket, obj.s3_key)
if (!resp.success) {
log.withFields({bucket : obj.s3_bucket, key : obj.s3_key, status: obj.status, op: `READ`})
.error(resp.error);
} else {
obj_registry.setObjectStatus(obj.id, obj.status, 'read');
}
return
}
const obj = obj_list[Math.floor(Math.random() * obj_list.length)];
const resp = s3_client.get(obj.bucket, obj.object);
if (!resp.success) {
log.withFields({bucket : obj.bucket, key : obj.object}).error(resp.error);
} else {
obj_registry.setObjectStatus(obj.id, obj.status, 'read');
}
}
export function obj_delete() {
if (__ENV.SLEEP_DELETE) {
sleep(__ENV.SLEEP_DELETE);
}
const obj = obj_to_delete_selector.nextObject();
delete_object(obj)
}
export function delete_object(obj) {
if (!obj) {
if (obj_to_delete_exit_on_null) {
exec.test.abort("No more objects to select");
}
return;
}
const resp = s3_client.delete(obj.s3_bucket, obj.s3_key);
if (!resp.success) {
log.withFields({bucket : obj.s3_bucket, key : obj.s3_key, op : 'DELETE'})
.error(resp.error);
return;
}
obj_registry.deleteObject(obj.id);
}