xk6-frostfs/scenarios/local.js

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import {SharedArray} from 'k6/data';
import exec from 'k6/execution';
import local from 'k6/x/frostfs/local';
import logging from 'k6/x/frostfs/logging';
import registry from 'k6/x/frostfs/registry';
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 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 debug_logger = (__ENV.DEBUG_LOGGER || 'false') == 'true';
const max_total_size_gb =
__ENV.MAX_TOTAL_SIZE_GB ? parseInt(__ENV.MAX_TOTAL_SIZE_GB) : 0;
const local_client =
local.connect(config_file, config_dir, '', debug_logger, max_total_size_gb);
const log = logging.new().withFields(
{'config_file': config_file, 'config_dir': config_dir});
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 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_vu_count = parseInt(__ENV.DELETERS || '0');
if (delete_vu_count > 0) {
if (!obj_to_delete_selector) {
throw new Error(
'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 containers: ${container_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() {
const headers = {unique_header: uuidv4()};
const container =
container_list[Math.floor(Math.random() * container_list.length)];
const payload = generator.genPayload();
const resp = local_client.put(container, headers, payload);
if (!resp.success) {
if (resp.abort) {
exec.test.abort(resp.error);
}
log.withField('cid', container).error(resp.error);
return;
}
if (obj_registry) {
obj_registry.addObject(container, resp.object_id, '', '', payload.hash());
}
}
export function obj_read() {
const obj = obj_list[Math.floor(Math.random() * obj_list.length)];
const resp = local_client.get(obj.container, obj.object)
if (!resp.success) {
log.withFields({cid: obj.container, oid: obj.object}).error(resp.error);
}
}
export function obj_delete() {
const obj = obj_to_delete_selector.nextObject();
if (!obj) {
return;
}
const resp = local_client.delete(obj.c_id, obj.o_id);
if (!resp.success) {
// Log errors except (2052 - object already deleted)
log.withFields({cid: obj.c_id, oid: obj.o_id}).error(resp.error);
return;
}
obj_registry.deleteObject(obj.id);
}