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/**
* Tests that restarting a migration attempt after a failover fails if the donor and recipient no
* longer share the same FCV.
* @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 tenantMigrationTest = new TenantMigrationTest({name: jsTestName()});
if (!tenantMigrationTest.isFeatureFlagEnabled()) {
jsTestLog("Skipping test because the tenant migrations feature flag is disabled");
return;
}
const tenantId = "testTenantId";
const dbName = tenantMigrationTest.tenantDB(tenantId, "testDB");
const collName = "testColl";
const donorPrimary = tenantMigrationTest.getDonorPrimary();
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 a successful initial
// comparison.
const recipientDB = recipientPrimary.getDB(dbName);
const hangAfterFirstFCVcheck =
configureFailPoint(recipientDB, "fpAfterComparingRecipientAndDonorFCV", {action: "hang"});
// Start a migration and wait for recipient to hang at the failpoint.
assert.commandWorked(tenantMigrationTest.startMigration(migrationOpts));
hangAfterFirstFCVcheck.wait();
// Downgrade the FCV for the donor set.
assert.commandWorked(donorPrimary.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 FCVs.
const recipientRst = tenantMigrationTest.getRecipientRst();
const newRecipientPrimary = recipientRst.getSecondaries()[0];
recipientRst.awaitLastOpCommitted();
assert.commandWorked(newRecipientPrimary.adminCommand({replSetStepUp: 1}));
hangAfterFirstFCVcheck.off();
recipientRst.getPrimary();
// Make sure we see the FCV mismatch detection message on the recipient regardless.
checkLog.containsJson(newRecipientPrimary, 5382300);
// Upgrade again to check on the status of the migration from the donor's point of view.
assert.commandWorked(donorPrimary.adminCommand({setFeatureCompatibilityVersion: latestFCV}));
TenantMigrationTest.assertAborted(
tenantMigrationTest.waitForMigrationToComplete(migrationOpts));
tenantMigrationTest.stop();
}
runFeatureFlagMultiversionTest('featureFlagTenantMigrations', runTest);
})();
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