mirror of https://github.com/mongodb/mongo
98 lines
3.9 KiB
JavaScript
98 lines
3.9 KiB
JavaScript
// If a node is already in an active replica set, it is not possible to add this node to another
|
|
// replica set.
|
|
// Initialize two replica sets A and B with the same name: A_0, A_1; B_0
|
|
// Stop B_0.
|
|
// Add B_0 to the replica set A.
|
|
// Start B_0.
|
|
// B_0 should show up in A's replica set status as DOWN.
|
|
|
|
import {ReplSetTest} from "jstests/libs/replsettest.js";
|
|
|
|
// This test requires users to persist across a restart.
|
|
// @tags: [requires_persistence]
|
|
|
|
let name = "disallow_adding_initialized_node2";
|
|
let replSetA = new ReplSetTest({
|
|
name: name,
|
|
nodes: [{rsConfig: {_id: 10}}, {rsConfig: {_id: 11, priority: 0}}],
|
|
nodeOptions: {setParameter: {logComponentVerbosity: tojsononeline({replication: 2})}},
|
|
});
|
|
replSetA.startSet({dbpath: "$set-A-$node"});
|
|
replSetA.initiate();
|
|
|
|
let replSetB = new ReplSetTest({
|
|
name: name,
|
|
nodes: [{rsConfig: {_id: 20}}],
|
|
nodeOptions: {setParameter: {logComponentVerbosity: tojsononeline({replication: 2})}},
|
|
});
|
|
replSetB.startSet({dbpath: "$set-B-$node"});
|
|
replSetB.initiate();
|
|
|
|
let primaryA = replSetA.getPrimary();
|
|
let primaryB = replSetB.getPrimary();
|
|
jsTestLog("Before merging: primary A = " + primaryA.host + "; primary B = " + primaryB.host);
|
|
|
|
let configA = assert.commandWorked(primaryA.adminCommand({replSetGetConfig: 1})).config;
|
|
let configB = assert.commandWorked(primaryB.adminCommand({replSetGetConfig: 1})).config;
|
|
assert(configA.settings.replicaSetId instanceof ObjectId);
|
|
assert(configB.settings.replicaSetId instanceof ObjectId);
|
|
jsTestLog("Replica set A ID = " + configA.settings.replicaSetId);
|
|
jsTestLog("Replica set B ID = " + configB.settings.replicaSetId);
|
|
assert.neq(configA.settings.replicaSetId, configB.settings.replicaSetId);
|
|
|
|
jsTestLog("Stopping B's primary " + primaryB.host);
|
|
replSetB.stop(0);
|
|
|
|
jsTestLog("Adding replica set B's primary " + primaryB.host + " to replica set A's config");
|
|
configA.version++;
|
|
configA.members.push({_id: 12, host: primaryB.host});
|
|
// Use "force" reconfig to increase the config of replica set A by a large number, so that replica
|
|
// set B will try to fetch the config with a higher version on hearing it via heartbeats.
|
|
assert.commandWorked(primaryA.adminCommand({replSetReconfig: configA, force: true}));
|
|
|
|
jsTestLog("Restarting B's primary " + primaryB.host);
|
|
primaryB = replSetB.start(0, {dbpath: "$set-B-$node", restart: true});
|
|
|
|
let newPrimaryA = replSetA.getPrimary();
|
|
let newPrimaryB = replSetB.getPrimary();
|
|
jsTestLog("After merging: primary A = " + newPrimaryA.host + "; primary B = " + newPrimaryB.host);
|
|
assert.eq(primaryA, newPrimaryA);
|
|
assert.eq(primaryB, newPrimaryB);
|
|
|
|
// Mismatch replica set IDs in heartbeat responses should be logged.
|
|
let msgA =
|
|
"replica set IDs do not match, ours: " +
|
|
configA.settings.replicaSetId +
|
|
"; remote node's: " +
|
|
configB.settings.replicaSetId;
|
|
let msgB =
|
|
"replica set IDs do not match, ours: " +
|
|
configB.settings.replicaSetId +
|
|
"; remote node's: " +
|
|
configA.settings.replicaSetId;
|
|
checkLog.contains(primaryA, msgA);
|
|
checkLog.contains(primaryB, msgB);
|
|
|
|
let statusA = assert.commandWorked(primaryA.adminCommand({replSetGetStatus: 1}));
|
|
let statusB = assert.commandWorked(primaryB.adminCommand({replSetGetStatus: 1}));
|
|
jsTestLog("After merging: replica set status A = " + tojson(statusA));
|
|
jsTestLog("After merging: replica set status B = " + tojson(statusB));
|
|
|
|
// B's primary should show up in A's status as DOWN.
|
|
assert.eq(3, statusA.members.length);
|
|
assert.eq(10, statusA.members[0]._id);
|
|
assert.eq(primaryA.host, statusA.members[0].name);
|
|
assert.eq(ReplSetTest.State.PRIMARY, statusA.members[0].state);
|
|
assert.eq(12, statusA.members[2]._id);
|
|
assert.eq(primaryB.host, statusA.members[2].name);
|
|
assert.eq(ReplSetTest.State.DOWN, statusA.members[2].state);
|
|
|
|
// Replica set B's config should remain unchanged.
|
|
assert.eq(1, statusB.members.length);
|
|
assert.eq(20, statusB.members[0]._id);
|
|
assert.eq(primaryB.host, statusB.members[0].name);
|
|
assert.eq(ReplSetTest.State.PRIMARY, statusB.members[0].state);
|
|
|
|
replSetB.stopSet();
|
|
replSetA.stopSet();
|