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/**
* Test that adding invalid or duplicate shards will fail.
*/
(function() {
"use strict";
var st = new ShardingTest({shards: 1});
var configDB = st.s.getDB('config');
var shardDoc = configDB.shards.findOne();
// Can't add mongos as shard.
assert.commandFailedWithCode(st.admin.runCommand({addshard: st.s.host}),
ErrorCodes.IllegalOperation);
// Can't add a mongod with a lower binary version than our featureCompatibilityVersion.
var lastLTSMongod = MongoRunner.runMongod({binVersion: "last-lts", shardsvr: ""});
assert.commandFailedWithCode(st.admin.runCommand({addshard: lastLTSMongod.host}),
ErrorCodes.IncompatibleServerVersion);
MongoRunner.stopMongod(lastLTSMongod);
// Can't add config servers as shard.
assert.commandFailed(st.admin.runCommand({addshard: st._configDB}));
var replTest = new ReplSetTest({nodes: 2, nodeOptions: {shardsvr: ""}});
replTest.startSet({oplogSize: 10});
replTest.initiate();
var rsConnStr = replTest.getURL();
// Can't add replSet as shard if the name doesn't match the replSet config.
assert.commandFailed(st.admin.runCommand({addshard: "prefix_" + rsConnStr}));
assert.commandWorked(st.admin.runCommand({addshard: rsConnStr, name: 'dummyRS'}));
// Cannot add the same replSet shard host twice when using a unique shard name.
assert.commandFailed(st.admin.runCommand({addshard: rsConnStr, name: 'dupRS'}));
// Cannot add the same stand alone shard host twice with a unique shard name.
assert.commandFailed(st.admin.runCommand({addshard: shardDoc.host, name: 'dupShard'}));
// Cannot add a replica set connection string containing a member that isn't actually part of
// the replica set.
var truncatedRSConnStr = rsConnStr.substring(0, rsConnStr.indexOf(','));
assert.commandFailed(
st.admin.runCommand({addshard: truncatedRSConnStr + 'fakehost', name: 'dummyRS'}));
replTest.stopSet();
st.stop();
})();
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