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/**
* Tests that we note down the recipient FCV at the beginning of a migration and that a change
* in that FCV will abort the migration.
* @tags: [requires_majority_read_concern, incompatible_with_windows_tls]
*/
(function() {
"use strict";
function runTest(downgradeFCV) {
load("jstests/libs/fail_point_util.js");
load("jstests/libs/uuid_util.js"); // for 'extractUUIDFromObject'
load("jstests/libs/parallelTester.js"); // for 'Thread'
load("jstests/replsets/libs/tenant_migration_test.js");
load("jstests/replsets/libs/tenant_migration_util.js");
const recipientRst = new ReplSetTest({
nodes: 2,
name: jsTestName() + "_recipient",
nodeOptions: TenantMigrationUtil.makeX509OptionsForTest().recipient
});
recipientRst.startSet();
recipientRst.initiate();
const tenantMigrationTest =
new TenantMigrationTest({name: jsTestName(), recipientRst: recipientRst});
const tenantId = "testTenantId";
const dbName = tenantMigrationTest.tenantDB(tenantId, "testDB");
const collName = "testColl";
const recipientPrimary = tenantMigrationTest.getRecipientPrimary();
tenantMigrationTest.insertDonorDB(dbName, collName);
const migrationId = UUID();
const migrationOpts = {
migrationIdString: extractUUIDFromObject(migrationId),
recipientConnString: tenantMigrationTest.getRecipientConnString(),
tenantId: tenantId,
};
// Configure a failpoint to have the recipient primary hang after taking note of its FCV.
const recipientDb = recipientPrimary.getDB(dbName);
const hangAfterSavingFCV = configureFailPoint(
recipientDb, "fpAfterRecordingRecipientPrimaryStartingFCV", {action: "hang"});
// Start a migration and wait for recipient to hang at the failpoint.
const donorRstArgs = TenantMigrationUtil.createRstArgs(tenantMigrationTest.getDonorRst());
const migrationThread =
new Thread(TenantMigrationUtil.runMigrationAsync, migrationOpts, donorRstArgs);
migrationThread.start();
hangAfterSavingFCV.wait();
const isRunningMergeProtocol =
(TenantMigrationUtil.isShardMergeEnabled(recipientDb)) ? true : false;
// Downgrade the FCV for the recipient set.
assert.commandWorked(
recipientPrimary.adminCommand({setFeatureCompatibilityVersion: downgradeFCV}));
// Step up a new node in the recipient set and trigger a failover. The new primary should
// attempt to resume cloning, but fail upon re-checking the FCV.
const newRecipientPrimary = recipientRst.getSecondaries()[0];
recipientRst.awaitLastOpCommitted();
assert.commandWorked(newRecipientPrimary.adminCommand({replSetStepUp: 1}));
hangAfterSavingFCV.off();
recipientRst.getPrimary();
// The migration will not be able to continue in the downgraded version.
TenantMigrationTest.assertAborted(migrationThread.returnData());
// Change-of-FCV detection message.
if (isRunningMergeProtocol) {
checkLog.containsJson(newRecipientPrimary, 5949504);
} else {
checkLog.containsJson(newRecipientPrimary, 5356200);
}
tenantMigrationTest.stop();
recipientRst.stopSet();
}
runTest(lastContinuousFCV);
if (lastContinuousFCV != lastLTSFCV) {
runTest(lastLTSFCV);
}
})();
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