xk6-frostfs/scenarios/s3local.js

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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 s3local from 'k6/x/frostfs/s3local';
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 container_list = new SharedArray('container_list', function() {
return JSON.parse(open(__ENV.PREGEN_JSON)).containers;
});
const bucket_list = new SharedArray('bucket_list', function() {
return JSON.parse(open(__ENV.PREGEN_JSON)).buckets;
});
function bucket_mapping() {
if (container_list.length != bucket_list.length) {
throw 'The number of containers and buckets in the preset file must be the same.';
}
let mapping = {};
for (let i = 0; i < container_list.length; ++i) {
mapping[bucket_list[i]] = container_list[i];
}
return mapping;
}
const read_size = JSON.parse(open(__ENV.PREGEN_JSON)).obj_size;
const summary_json = __ENV.SUMMARY_JSON || '/tmp/summary.json';
const config_file = __ENV.CONFIG_FILE;
const config_dir = __ENV.CONFIG_DIR;
const max_total_size_gb =
__ENV.MAX_TOTAL_SIZE_GB ? parseInt(__ENV.MAX_TOTAL_SIZE_GB) : 0;
const s3_client = s3local.connect(
config_file, config_dir, {
'debug_logger': __ENV.DEBUG_LOGGER || 'false',
},
bucket_mapping(), max_total_size_gb);
const log = logging.new().withFields(
{'config_file': config_file, 'config_dir': config_dir});
if (!!__ENV.METRIC_TAGS) {
stats.setTags(__ENV.METRIC_TAGS)
}
const registry_enabled = !!__ENV.REGISTRY_FILE;
const obj_registry =
registry_enabled ? registry.open(__ENV.REGISTRY_FILE) : undefined;
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',
})
}
const duration = __ENV.DURATION;
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',
};
}
export const options = {
scenarios,
setupTimeout: '5s',
};
export function setup() {
const total_vu_count = write_vu_count + read_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(`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() {
const 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) {
if (resp.abort) {
exec.test.abort(resp.error);
}
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 (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);
}
}