import native from 'k6/x/frostfs/native'; import registry from 'k6/x/frostfs/registry'; import s3 from 'k6/x/frostfs/s3'; import { sleep } from 'k6'; import { Counter } from 'k6/metrics'; const obj_registry = registry.open(__ENV.REGISTRY_FILE); // Time limit (in seconds) for the run const time_limit = __ENV.TIME_LIMIT || "60"; // Number of objects in each status. These counters are cumulative in a // sense that they reflect total number of objects in the registry, not just // number of objects that were processed by specific run of this scenario. // This allows to run this scenario multiple times and collect overall // statistics in the final run. const obj_counters = { verified: new Counter('verified_obj'), skipped: new Counter('skipped_obj'), invalid: new Counter('invalid_obj'), }; // Connect to random gRPC endpoint let grpc_client = undefined; if (__ENV.GRPC_ENDPOINTS) { const grpcEndpoints = __ENV.GRPC_ENDPOINTS.split(','); const grpcEndpoint = grpcEndpoints[Math.floor(Math.random() * grpcEndpoints.length)]; grpc_client = native.connect(grpcEndpoint, ''); } // Connect to random S3 endpoint let s3_client = undefined; if (__ENV.S3_ENDPOINTS) { const s3_endpoints = __ENV.S3_ENDPOINTS.split(','); const s3_endpoint = s3_endpoints[Math.floor(Math.random() * s3_endpoints.length)]; s3_client = s3.connect(`http://${s3_endpoint}`); } // We will attempt to verify every object in "created" status. The scenario will execute // as many iterations as there are objects. Each object will have 3 retries to be verified const obj_to_verify_selector = registry.getSelector( __ENV.REGISTRY_FILE, "obj_to_verify", __ENV.SELECTION_SIZE ? parseInt(__ENV.SELECTION_SIZE) : 0, { status: "created", } ); const obj_to_verify_count = obj_to_verify_selector.count(); // Execute at least one iteration (executor shared-iterations can't run 0 iterations) const iterations = Math.max(1, obj_to_verify_count); // Executor shared-iterations requires number of iterations to be larger than number of VUs const vus = Math.min(__ENV.CLIENTS, iterations); const scenarios = { verify: { executor: 'shared-iterations', vus, iterations, maxDuration: `${time_limit}s`, exec: 'obj_verify', gracefulStop: '5s', } }; export const options = { scenarios, setupTimeout: '5s', }; export function setup() { // Populate counters with initial values for (const [status, counter] of Object.entries(obj_counters)) { const obj_selector = registry.getSelector( __ENV.REGISTRY_FILE, status, __ENV.SELECTION_SIZE ? parseInt(__ENV.SELECTION_SIZE) : 0, { status }); counter.add(obj_selector.count()); } } export function obj_verify() { if (__ENV.SLEEP) { sleep(__ENV.SLEEP); } const obj = obj_to_verify_selector.nextObject(); if (!obj) { console.log("All objects have been verified"); return; } const obj_status = verify_object_with_retries(obj, 3); obj_counters[obj_status].add(1); obj_registry.setObjectStatus(obj.id, obj_status); } function verify_object_with_retries(obj, attempts) { for (let i = 0; i < attempts; i++) { let result; if (obj.c_id && obj.o_id) { result = grpc_client.verifyHash(obj.c_id, obj.o_id, obj.payload_hash); } else if (obj.s3_bucket && obj.s3_key) { result = s3_client.verifyHash(obj.s3_bucket, obj.s3_key, obj.payload_hash); } else { console.log(`Object id=${obj.id} cannot be verified with supported protocols`); return "skipped"; } if (result.success) { return "verified"; } else if (result.error == "hash mismatch") { return "invalid"; } // Unless we explicitly saw that there was a hash mismatch, then we will retry after a delay console.log(`Verify error on ${obj.id}: ${result.error}. Object will be re-tried`); sleep(__ENV.SLEEP); } return "invalid"; }