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/**
* Test that multiple concurrent tenant migrations are supported.
*
* Tenant migrations are not expected to be run on servers with ephemeralForTest, and in particular
* this test fails on ephemeralForTest because the donor has to wait for the write to set the
* migration state to "committed" and "aborted" to be majority committed but it cannot do that on
* ephemeralForTest.
*
* @tags: [requires_fcv_47, requires_majority_read_concern, incompatible_with_eft]
*/
(function() {
'use strict';
load("jstests/libs/fail_point_util.js");
load("jstests/libs/parallelTester.js");
load("jstests/libs/uuid_util.js");
load("jstests/replsets/libs/tenant_migration_test.js");
load("jstests/replsets/libs/tenant_migration_util.js");
const rst0 = new ReplSetTest({nodes: 1, name: 'rst0'});
const rst1 = new ReplSetTest({nodes: 1, name: 'rst1'});
const rst2 = new ReplSetTest({nodes: 1, name: 'rst2'});
rst0.startSet();
rst0.initiate();
rst1.startSet();
rst1.initiate();
rst2.startSet();
rst2.initiate();
const kTenantIdPrefix = "testTenantId";
// Test concurrent outgoing migrations to different recipients.
(() => {
const tenantMigrationTest0 = new TenantMigrationTest({donorRst: rst0, recipientRst: rst1});
if (!tenantMigrationTest0.isFeatureFlagEnabled()) {
jsTestLog("Skipping test because the tenant migrations feature flag is disabled");
return;
}
const tenantMigrationTest1 = new TenantMigrationTest({donorRst: rst0, recipientRst: rst2});
const tenantId0 = `${kTenantIdPrefix}-ConcurrentOutgoingMigrationsToDifferentRecipient0`;
const tenantId1 = `${kTenantIdPrefix}-ConcurrentOutgoingMigrationsToDifferentRecipient1`;
const donorPrimary = rst0.getPrimary();
const connPoolStatsBefore = assert.commandWorked(donorPrimary.adminCommand({connPoolStats: 1}));
const migrationOpts0 = {
migrationIdString: extractUUIDFromObject(UUID()),
tenantId: tenantId0,
};
const migrationOpts1 = {
migrationIdString: extractUUIDFromObject(UUID()),
tenantId: tenantId1,
};
assert.commandWorked(tenantMigrationTest0.startMigration(migrationOpts0));
assert.commandWorked(tenantMigrationTest1.startMigration(migrationOpts1));
const stateRes0 =
assert.commandWorked(tenantMigrationTest0.waitForMigrationToComplete(migrationOpts0));
const stateRes1 =
assert.commandWorked(tenantMigrationTest1.waitForMigrationToComplete(migrationOpts1));
// Verify that both migrations succeeded.
assert.eq(stateRes0.state, TenantMigrationTest.State.kCommitted);
assert.eq(stateRes1.state, TenantMigrationTest.State.kCommitted);
const connPoolStatsAfter0 = assert.commandWorked(donorPrimary.adminCommand({connPoolStats: 1}));
// Donor targeted two different replica sets.
assert.eq(connPoolStatsAfter0.numReplicaSetMonitorsCreated,
connPoolStatsBefore.numReplicaSetMonitorsCreated + 2);
assert.eq(Object.keys(connPoolStatsAfter0.replicaSets).length, 2);
assert.commandWorked(tenantMigrationTest0.forgetMigration(migrationOpts0.migrationIdString));
assert.commandWorked(tenantMigrationTest1.forgetMigration(migrationOpts1.migrationIdString));
// After migrations are complete, RSMs are garbage collected.
const connPoolStatsAfter1 = assert.commandWorked(donorPrimary.adminCommand({connPoolStats: 1}));
assert.eq(Object.keys(connPoolStatsAfter1.replicaSets).length, 0);
// TODO: SERVER-53276 the RSM from recipient rst1 to donor rst0 is not deleted.
// assert.eq(
// Object.keys(assert.commandWorked(rst1.getPrimary().adminCommand({connPoolStats:
// 1})).replicaSets)
// .length,
// 0);
})();
// Test concurrent incoming migrations from different donors.
(() => {
const tenantMigrationTest0 = new TenantMigrationTest({donorRst: rst0, recipientRst: rst2});
if (!tenantMigrationTest0.isFeatureFlagEnabled()) {
jsTestLog("Skipping test because the tenant migrations feature flag is disabled");
return;
}
const tenantMigrationTest1 = new TenantMigrationTest({donorRst: rst1, recipientRst: rst2});
const tenantId0 = `${kTenantIdPrefix}-ConcurrentIncomingMigrations0`;
const tenantId1 = `${kTenantIdPrefix}-ConcurrentIncomingMigrations1`;
const migrationOpts0 = {
migrationIdString: extractUUIDFromObject(UUID()),
tenantId: tenantId0,
};
const migrationOpts1 = {
migrationIdString: extractUUIDFromObject(UUID()),
tenantId: tenantId1,
};
assert.commandWorked(tenantMigrationTest0.startMigration(migrationOpts0));
assert.commandWorked(tenantMigrationTest1.startMigration(migrationOpts1));
const stateRes0 =
assert.commandWorked(tenantMigrationTest0.waitForMigrationToComplete(migrationOpts0));
const stateRes1 =
assert.commandWorked(tenantMigrationTest1.waitForMigrationToComplete(migrationOpts1));
// Verify that both migrations succeeded.
assert.eq(stateRes0.state, TenantMigrationTest.State.kCommitted);
assert.eq(stateRes1.state, TenantMigrationTest.State.kCommitted);
// Cleanup.
assert.commandWorked(tenantMigrationTest0.forgetMigration(migrationOpts0.migrationIdString));
assert.commandWorked(tenantMigrationTest1.forgetMigration(migrationOpts1.migrationIdString));
const connPoolStatsAfter0 =
assert.commandWorked(rst0.getPrimary().adminCommand({connPoolStats: 1}));
assert.eq(Object.keys(connPoolStatsAfter0.replicaSets).length, 0);
// TODO: SERVER-53276 the RSM from recipient rst1 to donor rst0 is not deleted in the test
// above.
// const connPoolStatsAfter1 =
// assert.commandWorked(rst1.getPrimary().adminCommand({connPoolStats: 1}));
// assert.eq(Object.keys(connPoolStatsAfter1.replicaSets).length, 0);
})();
// Test concurrent outgoing migrations to same recipient. Verify that tenant
// migration donor only removes a ReplicaSetMonitor for a recipient when the last
// migration to that recipient completes.
(() => {
const tenantMigrationTest0 = new TenantMigrationTest({donorRst: rst0, recipientRst: rst1});
if (!tenantMigrationTest0.isFeatureFlagEnabled()) {
jsTestLog("Skipping test because the tenant migrations feature flag is disabled");
return;
}
const tenantMigrationTest1 = new TenantMigrationTest({donorRst: rst0, recipientRst: rst1});
const tenantId0 = `${kTenantIdPrefix}-ConcurrentOutgoingMigrationsToSameRecipient0`;
const tenantId1 = `${kTenantIdPrefix}-ConcurrentOutgoingMigrationsToSameRecipient1`;
const donorsColl = tenantMigrationTest0.getDonorRst().getPrimary().getCollection(
TenantMigrationTest.kConfigDonorsNS);
const migrationOpts0 = {
migrationIdString: extractUUIDFromObject(UUID()),
tenantId: tenantId0,
};
const migrationOpts1 = {
migrationIdString: extractUUIDFromObject(UUID()),
tenantId: tenantId1,
};
const donorPrimary = rst0.getPrimary();
const connPoolStatsBefore = assert.commandWorked(donorPrimary.adminCommand({connPoolStats: 1}));
let blockFp = configureFailPoint(
donorPrimary, "pauseTenantMigrationAfterBlockingStarts", {tenantId: tenantId1});
assert.commandWorked(tenantMigrationTest0.startMigration(migrationOpts0));
assert.commandWorked(tenantMigrationTest1.startMigration(migrationOpts1));
// Wait migration1 to pause in the blocking state and for migration0 to commit.
blockFp.wait();
const stateRes0 =
assert.commandWorked(tenantMigrationTest0.waitForMigrationToComplete(migrationOpts0));
assert(stateRes0.state, TenantMigrationTest.State.kCommitted);
// Verify that exactly one RSM was created.
const connPoolStatsDuringMigration =
assert.commandWorked(donorPrimary.adminCommand({connPoolStats: 1}));
assert.eq(connPoolStatsDuringMigration.numReplicaSetMonitorsCreated,
connPoolStatsBefore.numReplicaSetMonitorsCreated + 1);
assert.eq(Object.keys(connPoolStatsDuringMigration.replicaSets).length, 1);
// Garbage collect migration0 and verify that the RSM was not removed.
assert.commandWorked(tenantMigrationTest0.forgetMigration(migrationOpts0.migrationIdString));
assert.eq(
Object.keys(assert.commandWorked(donorPrimary.adminCommand({connPoolStats: 1})).replicaSets)
.length,
1);
// Let the migration1 to finish.
blockFp.off();
const stateRes1 =
assert.commandWorked(tenantMigrationTest1.waitForMigrationToComplete(migrationOpts1));
assert(stateRes1.state, TenantMigrationTest.State.kCommitted);
// Verify that now the RSM is garbage collected after the migration1 is cleaned.
assert.commandWorked(tenantMigrationTest1.forgetMigration(migrationOpts1.migrationIdString));
assert.eq(
Object.keys(assert.commandWorked(donorPrimary.adminCommand({connPoolStats: 1})).replicaSets)
.length,
0);
})();
rst0.stopSet();
rst1.stopSet();
rst2.stopSet();
})();
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