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'use strict';
load("./jstests/multiVersion/libs/multi_rs.js");
load("./jstests/replsets/rslib.js");
/**
* Test that starts up a replica set with 2 nodes of version 'replSetVersion', inserts some data,
* then adds a new node to the replica set with version 'newNodeVersion' and waits for initial sync
* to complete. If the 'fcv' argument is given, sets the feature compatibility version of the
* replica set to 'fcv' before adding the third node.
*/
var multversionInitialSyncTest = function(
name, replSetVersion, newNodeVersion, configSettings, fcv) {
var nodes = {n1: {binVersion: replSetVersion}, n2: {binVersion: replSetVersion}};
jsTestLog("Starting up a two-node '" + replSetVersion + "' version replica set.");
var rst = new ReplSetTest({name: name, nodes: nodes});
rst.startSet();
var conf = rst.getReplSetConfig();
conf.settings = configSettings;
rst.initiate(conf);
// Wait for a primary node.
var primary = rst.getPrimary();
// Set 'featureCompatibilityVersion' if given.
if (fcv) {
jsTestLog("Setting FCV to '" + fcv + "' on the primary.");
assert.commandWorked(primary.adminCommand({setFeatureCompatibilityVersion: fcv}));
rst.awaitReplication();
}
// Insert some data and wait for replication.
for (var i = 0; i < 25; i++) {
primary.getDB("foo").foo.insert({_id: i});
}
rst.awaitReplication();
jsTestLog("Bringing up a new node with version '" + newNodeVersion + "' and adding to set.");
rst.add({binVersion: newNodeVersion});
rst.reInitiate();
jsTestLog("Waiting for new node to be synced.");
rst.awaitReplication();
rst.awaitSecondaryNodes();
rst.stopSet();
};
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