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/**
* Tests that the donor blocks writes that are executed while the shard split in the blocking state,
* then rejects the writes when the migration completes.
*
* @tags: [
* incompatible_with_macos,
* incompatible_with_windows_tls,
* requires_majority_read_concern,
* requires_persistence,
* serverless,
* requires_fcv_63
* ]
*/
import {
createCollectionAndInsertDocsForConcurrentWritesTest,
makeTestOptionsForConcurrentWritesTest,
runCommandForConcurrentWritesTest,
TenantMigrationConcurrentWriteUtil
} from "jstests/replsets/tenant_migration_concurrent_writes_on_donor_util.js";
import {ShardSplitTest} from "jstests/serverless/libs/shard_split_test.js";
load("jstests/libs/fail_point_util.js");
TestData.skipCheckDBHashes = true;
const shardSplitTest = new ShardSplitTest({
quickGarbageCollection: true,
allowStaleReadsOnDonor: true,
// Increase timeout because blocking in the critical section contributes to operation latency.
nodeOptions: {setParameter: {shardSplitTimeoutMS: 100000}}
});
const donorPrimary = shardSplitTest.getDonorPrimary();
const kCollName = "testColl";
const kTenantDefinedDbName = "0";
const testCases = TenantMigrationConcurrentWriteUtil.testCases;
const kTenantID = ObjectId();
const kMaxTimeMS = 1 * 1000;
let countBlockedWrites = 0;
/**
* Tests that the donor blocks writes that are executed in the blocking state and increase the
* countBlockedWrites count.
*/
function testBlockWritesAfterMigrationEnteredBlocking(testOpts) {
testOpts.command.maxTimeMS = kMaxTimeMS;
runCommandForConcurrentWritesTest(testOpts, ErrorCodes.MaxTimeMSExpired);
}
function setupTest(testCase, collName, testOpts) {
if (testCase.explicitlyCreateCollection) {
createCollectionAndInsertDocsForConcurrentWritesTest(
testOpts.primaryDB, collName, testCase.isCapped);
}
if (testCase.setUp) {
testCase.setUp(testOpts.primaryDB, collName, testOpts.testInTransaction);
}
}
const testOptsMap = {};
/**
* run the setup for each cases before the migration starts
*/
function setupTestsBeforeMigration() {
for (const [commandName, testCase] of Object.entries(testCases)) {
let baseDbName = kTenantID.str + "_" + commandName;
if (testCase.skip) {
print("Skipping " + commandName + ": " + testCase.skip);
continue;
}
let basicFullDb = baseDbName + "Basic-" + kTenantDefinedDbName;
const basicTestOpts = makeTestOptionsForConcurrentWritesTest(
donorPrimary, testCase, basicFullDb, kCollName, false, false);
testOptsMap[basicFullDb] = basicTestOpts;
setupTest(testCase, kCollName, basicTestOpts);
if (testCase.testInTransaction) {
let TxnFullDb = baseDbName + "Txn-" + kTenantDefinedDbName;
const txnTestOpts = makeTestOptionsForConcurrentWritesTest(
donorPrimary, testCase, TxnFullDb, kCollName, true, false);
testOptsMap[TxnFullDb] = txnTestOpts;
setupTest(testCase, kCollName, txnTestOpts);
}
if (testCase.testAsRetryableWrite) {
let retryableFullDb = baseDbName + "Retryable-" + kTenantDefinedDbName;
const retryableTestOpts = makeTestOptionsForConcurrentWritesTest(
donorPrimary, testCase, retryableFullDb, kCollName, false, true);
testOptsMap[retryableFullDb] = retryableTestOpts;
setupTest(testCase, kCollName, retryableTestOpts);
}
}
}
/**
* Run the test cases after the migration has committed
*/
function runTestsWhileBlocking() {
for (const [commandName, testCase] of Object.entries(testCases)) {
let baseDbName = kTenantID.str + "_" + commandName;
if (testCase.skip) {
continue;
}
testBlockWritesAfterMigrationEnteredBlocking(
testOptsMap[baseDbName + "Basic-" + kTenantDefinedDbName]);
countBlockedWrites += 1;
if (testCase.testInTransaction) {
testBlockWritesAfterMigrationEnteredBlocking(
testOptsMap[baseDbName + "Txn-" + kTenantDefinedDbName]);
countBlockedWrites += 1;
}
if (testCase.testAsRetryableWrite) {
testBlockWritesAfterMigrationEnteredBlocking(
testOptsMap[baseDbName + "Retryable-" + kTenantDefinedDbName]);
countBlockedWrites += 1;
}
}
}
/**
* Run the test cases after the migration has committed
*/
function runTestsAfterMigrationCommitted() {
for (const [commandName, testCase] of Object.entries(testCases)) {
let baseDbName = kTenantID.str + "_" + commandName;
if (testCase.skip) {
continue;
}
const basicTesTOpts = testOptsMap[baseDbName + "Basic-" + kTenantDefinedDbName];
testCase.assertCommandFailed(
basicTesTOpts.primaryDB, basicTesTOpts.dbName, basicTesTOpts.collName);
if (testCase.testInTransaction) {
const txnTesTOpts = testOptsMap[baseDbName + "Txn-" + kTenantDefinedDbName];
testCase.assertCommandFailed(
txnTesTOpts.primaryDB, txnTesTOpts.dbName, txnTesTOpts.collName);
}
if (testCase.testAsRetryableWrite) {
const retryableTestOpts = testOptsMap[baseDbName + "Retryable-" + kTenantDefinedDbName];
testCase.assertCommandFailed(
retryableTestOpts.primaryDB, retryableTestOpts.dbName, retryableTestOpts.collName);
}
}
}
shardSplitTest.addRecipientNodes();
const tenantIds = [kTenantID];
const operation = shardSplitTest.createSplitOperation(tenantIds);
setupTestsBeforeMigration();
let blockFp = configureFailPoint(donorPrimary, "pauseShardSplitAfterBlocking");
// start a shard split operation asynchronously.
const splitThread = operation.commitAsync();
// Run the command after the migration enters the blocking state.
blockFp.wait();
// Run test cases while the migration is in blocking state.
runTestsWhileBlocking();
// Allow the migration to complete.
blockFp.off();
splitThread.join();
assert.commandWorked(splitThread.returnData());
// run test after blocking is over and the migration committed.
runTestsAfterMigrationCommitted();
ShardSplitTest.checkShardSplitAccessBlocker(
donorPrimary, kTenantID, {numBlockedWrites: countBlockedWrites});
shardSplitTest.stop();
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