xk6-frostfs/scenarios/s3_car.js

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import {sleep} from 'k6';
import {SharedArray} from 'k6/data';
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';
// 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 no_verify_ssl = __ENV.NO_VERIFY_SSL || 'true';
const connection_args = {
no_verify_ssl: no_verify_ssl
};
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 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',
__ENV.SELECTION_SIZE ? parseInt(__ENV.SELECTION_SIZE) : 0, {
status: 'created',
age: delete_age,
});
}
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.getLoopedSelector(
__ENV.REGISTRY_FILE, 'obj_to_read',
__ENV.SELECTION_SIZE ? parseInt(__ENV.SELECTION_SIZE) : 0, {
status: 'created',
age: read_age,
})
}
const scenarios = {};
const time_unit = __ENV.TIME_UNIT || '1s';
const pre_alloc_write_vus = parseInt(__ENV.PRE_ALLOC_WRITERS || '0');
const max_write_vus = parseInt(__ENV.MAX_WRITERS || pre_alloc_write_vus);
const write_rate = parseInt(__ENV.WRITE_RATE || '0');
const generator = newGenerator(write_rate > 0);
if (write_rate > 0) {
scenarios.write = {
executor: 'constant-arrival-rate',
duration: `${duration}s`,
preAllocatedVUs: pre_alloc_write_vus,
maxVUs: max_write_vus,
rate: write_rate,
timeUnit: time_unit,
exec: 'obj_write',
gracefulStop: '5s',
};
}
const pre_alloc_read_vus = parseInt(__ENV.PRE_ALLOC_READERS || '0');
const max_read_vus = parseInt(__ENV.MAX_READERS || pre_alloc_read_vus);
const read_rate = parseInt(__ENV.READ_RATE || '0');
if (read_rate > 0) {
scenarios.read = {
executor: 'constant-arrival-rate',
duration: `${duration}s`,
preAllocatedVUs: pre_alloc_write_vus,
maxVUs: max_read_vus,
rate: read_rate,
timeUnit: time_unit,
exec: 'obj_read',
gracefulStop: '5s',
};
}
const pre_alloc_delete_vus = parseInt(__ENV.PRE_ALLOC_DELETERS || '0');
const max_delete_vus = parseInt(__ENV.MAX_DELETERS || pre_alloc_write_vus);
const delete_rate = parseInt(__ENV.DELETE_RATE || '0');
if (delete_rate > 0) {
if (!obj_to_delete_selector) {
throw new Error(
'Positive DELETE worker number without a proper object selector');
}
scenarios.delete = {
executor: 'constant-arrival-rate',
duration: `${duration}s`,
preAllocatedVUs: pre_alloc_delete_vus,
maxVUs: max_delete_vus,
rate: delete_rate,
timeUnit: time_unit,
exec: 'obj_delete',
gracefulStop: '5s',
};
}
export const options = {
scenarios,
setupTimeout: '5s',
};
export function setup() {
const total_pre_allocated_vu_count =
pre_alloc_write_vus + pre_alloc_read_vus + pre_alloc_delete_vus;
const total_max_vu_count = max_read_vus + max_write_vus + max_delete_vus
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(`Pre allocated reading VUs: ${pre_alloc_read_vus}`);
console.log(`Pre allocated writing VUs: ${pre_alloc_write_vus}`);
console.log(`Pre allocated deleting VUs: ${pre_alloc_delete_vus}`);
console.log(`Total pre allocated VUs: ${total_pre_allocated_vu_count}`);
console.log(`Max reading VUs: ${max_read_vus}`);
console.log(`Max writing VUs: ${max_write_vus}`);
console.log(`Max deleting VUs: ${max_delete_vus}`);
console.log(`Total max VUs: ${total_max_vu_count}`);
console.log(`Time unit: ${time_unit}`);
console.log(`Read rate: ${read_rate}`);
console.log(`Writing rate: ${write_rate}`);
console.log(`Delete rate: ${delete_rate}`);
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 += '/'
}
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})
.error(resp.error);
}
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);
}
}
export function obj_delete() {
if (__ENV.SLEEP_DELETE) {
sleep(__ENV.SLEEP_DELETE);
}
const obj = obj_to_delete_selector.nextObject();
if (!obj) {
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);
}