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(function() {
'use strict';
load("jstests/sharding/libs/find_chunks_util.js");
var s = new ShardingTest({name: "add_shard1", shards: 1, useHostname: false});
// Create a shard and add a database; if the database is not duplicated the mongod should accept
// it as shard
var rs1 = new ReplSetTest({name: "addshard1-1", host: 'localhost', nodes: 1});
rs1.startSet({shardsvr: ""});
rs1.initiate();
var db1 = rs1.getPrimary().getDB("testDB");
var numObjs = 3;
for (var i = 0; i < numObjs; i++) {
assert.commandWorked(db1.foo.save({a: i}));
}
var configDB = s.s.getDB('config');
assert.eq(null, configDB.databases.findOne({_id: 'testDB'}));
var newShard = "myShard";
assert.commandWorked(s.admin.runCommand({addShard: rs1.getURL(), name: newShard}));
assert.neq(null, configDB.databases.findOne({_id: 'testDB'}));
var newShardDoc = configDB.shards.findOne({_id: newShard});
assert(newShardDoc.topologyTime instanceof Timestamp);
// maxSize field is no longer supported
var newShardMaxSize = "myShardMaxSize";
assert.commandFailedWithCode(
s.admin.runCommand({addShard: rs1.getURL(), name: newShardMaxSize, maxSize: 1024}),
ErrorCodes.InvalidOptions);
// a mongod with an existing database name should not be allowed to become a shard
var rs2 = new ReplSetTest({name: "addshard1-2", nodes: 1});
rs2.startSet({shardsvr: ""});
rs2.initiate();
var db2 = rs2.getPrimary().getDB("otherDB");
assert.commandWorked(db2.foo.save({a: 1}));
var db3 = rs2.getPrimary().getDB("testDB");
assert.commandWorked(db3.foo.save({a: 1}));
s.config.databases.find().forEach(printjson);
var rejectedShard = "rejectedShard";
assert(!s.admin.runCommand({addShard: rs2.getURL(), name: rejectedShard}).ok,
"accepted mongod with duplicate db");
// Check that all collection that were local to the mongod's are accessible through the mongos
var sdb1 = s.getDB("testDB");
assert.eq(numObjs, sdb1.foo.count(), "wrong count for database that existed before addshard");
var sdb2 = s.getDB("otherDB");
assert.eq(0, sdb2.foo.count(), "database of rejected shard appears through mongos");
// make sure we can move a DB from the original mongod to a previoulsy existing shard
assert.eq(s.normalize(s.config.databases.findOne({_id: "testDB"}).primary),
newShard,
"DB primary is wrong");
var origShard = s.getNonPrimaries("testDB")[0];
s.ensurePrimaryShard("testDB", origShard);
assert.eq(s.normalize(s.config.databases.findOne({_id: "testDB"}).primary),
origShard,
"DB primary didn't move");
assert.eq(
numObjs, sdb1.foo.count(), "wrong count after moving datbase that existed before addshard");
// make sure we can shard the original collections
sdb1.foo.createIndex({a: 1}, {unique: true}); // can't shard populated collection without an index
s.adminCommand({enablesharding: "testDB"});
s.adminCommand({shardcollection: "testDB.foo", key: {a: 1}});
s.adminCommand({split: "testDB.foo", middle: {a: Math.floor(numObjs / 2)}});
assert.eq(2,
findChunksUtil.countChunksForNs(s.config, "testDB.foo"),
"wrong chunk number after splitting collection that existed before");
assert.eq(numObjs, sdb1.foo.count(), "wrong count after splitting collection that existed before");
rs1.stopSet();
rs2.stopSet();
s.stop();
})();
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