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// 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.
// This test requires users to persist across a restart.
// @tags: [requires_persistence]
(function() {
'use strict';
var name = 'disallow_adding_initialized_node2';
var replSetA = new ReplSetTest(
{name: name, nodes: [{rsConfig: {_id: 10}}, {rsConfig: {_id: 11, arbiterOnly: true}}, ]});
replSetA.startSet({dbpath: "$set-A-$node"});
replSetA.initiate();
var replSetB = new ReplSetTest({name: name, nodes: [{rsConfig: {_id: 20}}, ]});
replSetB.startSet({dbpath: "$set-B-$node"});
replSetB.initiate();
var primaryA = replSetA.getPrimary();
var primaryB = replSetB.getPrimary();
jsTestLog('Before merging: primary A = ' + primaryA.host + '; primary B = ' + primaryB.host);
var configA = assert.commandWorked(primaryA.adminCommand({replSetGetConfig: 1})).config;
var 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});
assert.commandWorked(primaryA.adminCommand({replSetReconfig: configA}));
jsTestLog("Restarting B's primary " + primaryB.host);
primaryB = replSetB.start(0, {dbpath: "$set-B-$node", restart: true});
var newPrimaryA = replSetA.getPrimary();
var 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.
var checkLog = function(node, msg) {
assert.soon(function() {
var logMessages = assert.commandWorked(node.adminCommand({getLog: 'global'})).log;
for (var i = 0; i < logMessages.length; i++) {
if (logMessages[i].indexOf(msg) != -1) {
return true;
}
}
return false;
}, 'Did not see a log entry containing the following message: ' + msg, 10000, 1000);
};
var msgA = "replica set IDs do not match, ours: " + configA.settings.replicaSetId +
"; remote node's: " + configB.settings.replicaSetId;
var msgB = "replica set IDs do not match, ours: " + configB.settings.replicaSetId +
"; remote node's: " + configA.settings.replicaSetId;
checkLog(primaryA, msgA);
checkLog(primaryB, msgB);
var statusA = assert.commandWorked(primaryA.adminCommand({replSetGetStatus: 1}));
var 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);
assert(statusA.members[2].lastHeartbeatMessage.indexOf(msgA) != -1 ||
statusA.members[2].lastHeartbeatMessage.indexOf(
'no response within election timeout period') != -1);
// 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();
})();
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