xk6-frostfs/scenarios/grpc.js

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import datagen from 'k6/x/frostfs/datagen';
import native from 'k6/x/frostfs/native';
import logging from 'k6/x/frostfs/logging';
import registry from 'k6/x/frostfs/registry';
import { SharedArray } from 'k6/data';
import { sleep } from 'k6';
import { textSummary } from './libs/k6-summary-0.0.2.js';
import { parseEnv } from './libs/env-parser.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";
// Select random gRPC endpoint for current VU
const grpc_endpoints = __ENV.GRPC_ENDPOINTS.split(',');
const grpc_endpoint = grpc_endpoints[Math.floor(Math.random() * grpc_endpoints.length)];
const grpc_client = native.connect(grpc_endpoint, '',
__ENV.DIAL_TIMEOUT ? parseInt(__ENV.DIAL_TIMEOUT) : 5,
__ENV.STREAM_TIMEOUT ? parseInt(__ENV.STREAM_TIMEOUT) : 60,
__ENV.PREPARE_LOCALLY ? __ENV.PREPARE_LOCALLY.toLowerCase() === "true" : false);
const log = logging.new().withField("endpoint", grpc_endpoint);
const registry_enabled = !!__ENV.REGISTRY_FILE;
const obj_registry = registry_enabled ? registry.open(__ENV.REGISTRY_FILE) : undefined;
const duration = __ENV.DURATION;
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,
}
);
}
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",
}
)
}
const generator = datagen.generator(1024 * parseInt(__ENV.WRITE_OBJ_SIZE), __ENV.PAYLOAD_TYPE || "");
const scenarios = {};
const write_vu_count = parseInt(__ENV.WRITERS || '0');
const write_grpc_chunk_size = 1024 * parseInt(__ENV.GRPC_CHUNK_SIZE || '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() {
if (__ENV.SLEEP_WRITE) {
sleep(__ENV.SLEEP_WRITE);
}
const headers = {
unique_header: uuidv4()
};
const container = container_list[Math.floor(Math.random() * container_list.length)];
const { payload, hash } = generator.genPayload(registry_enabled);
const resp = grpc_client.put(container, headers, payload, write_grpc_chunk_size);
if (!resp.success) {
log.withField("cid", container).error(resp.error);
return;
}
if (obj_registry) {
obj_registry.addObject(container, resp.object_id, "", "", 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 = grpc_client.get(obj.c_id, obj.o_id)
if (!resp.success) {
log.withFields({cid: obj.c_id, oid: obj.o_id}).error(resp.error);
}
return
}
const obj = obj_list[Math.floor(Math.random() * obj_list.length)];
const resp = grpc_client.get(obj.container, obj.object)
if (!resp.success) {
log.withFields({cid: obj.container, oid: 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 = grpc_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);
}