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// This test ensures that data we add on a replica set is still accessible via mongos when we add it
// as a shard. Then it makes sure that we can move the primary for this unsharded database to
// another shard that we add later, and after the move the data is still accessible.
(function() {
"use strict";
var numDocs = 10000;
var baseName = "moveprimary-replset";
var testDBName = baseName;
var testCollName = 'coll';
jsTest.log("Spinning up a sharded cluster, but not adding the shards");
var shardingTestConfig = {
name: baseName,
mongos: 1,
shards: 2,
config: 3,
rs: {nodes: 3},
other: {manualAddShard: true}
};
var shardingTest = new ShardingTest(shardingTestConfig);
jsTest.log("Geting connections to the individual shards");
var replSet1 = shardingTest.rs0;
var replSet2 = shardingTest.rs1;
jsTest.log("Adding data to our first replica set");
var repset1DB = replSet1.getPrimary().getDB(testDBName);
for (var i = 1; i <= numDocs; i++) {
repset1DB[testCollName].insert({x: i});
}
replSet1.awaitReplication();
jsTest.log("Geting connection to mongos for the cluster");
var mongosConn = shardingTest.s;
var testDB = mongosConn.getDB(testDBName);
jsTest.log("Adding replSet1 as only shard");
mongosConn.adminCommand({addshard: replSet1.getURL()});
jsTest.log(
"Updating the data via mongos and making sure all documents are updated and present");
testDB[testCollName].update({}, {$set: {y: 'hello'}}, false /*upsert*/, true /*multi*/);
assert.eq(testDB[testCollName].count({y: 'hello'}),
numDocs,
'updating and counting docs via mongos failed');
jsTest.log("Adding replSet2 as second shard");
mongosConn.adminCommand({addshard: replSet2.getURL()});
mongosConn.getDB('admin').printShardingStatus();
printjson(replSet2.getPrimary().getDBs());
jsTest.log("Moving test db from replSet1 to replSet2");
assert.commandWorked(
mongosConn.getDB('admin').runCommand({moveprimary: testDBName, to: replSet2.getURL()}));
mongosConn.getDB('admin').printShardingStatus();
printjson(replSet2.getPrimary().getDBs());
assert.eq(testDB.getSiblingDB("config").databases.findOne({"_id": testDBName}).primary,
replSet2.name,
"Failed to change primary shard for unsharded database.");
jsTest.log(
"Updating the data via mongos and making sure all documents are updated and present");
testDB[testCollName].update({}, {$set: {z: 'world'}}, false /*upsert*/, true /*multi*/);
assert.eq(testDB[testCollName].count({z: 'world'}),
numDocs,
'updating and counting docs via mongos failed');
jsTest.log("Shutting down cluster");
shardingTest.stop();
print('moveprimary-replset.js SUCCESS');
})();
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