mirror of
https://github.com/mongodb/mongo.git
synced 2024-12-01 09:32:32 +01:00
47 lines
1.7 KiB
JavaScript
47 lines
1.7 KiB
JavaScript
// Tests that dropping and re-adding a shard with the same name to a cluster doesn't mess up
|
|
// migrations
|
|
(function() {
|
|
'use strict';
|
|
|
|
var st = new ShardingTest({shards: 2, mongos: 1});
|
|
|
|
var mongos = st.s;
|
|
var admin = mongos.getDB('admin');
|
|
var coll = mongos.getCollection('foo.bar');
|
|
|
|
// Shard collection
|
|
assert.commandWorked(mongos.adminCommand({enableSharding: coll.getDB() + ''}));
|
|
|
|
// Just to be sure what primary we start from
|
|
st.ensurePrimaryShard(coll.getDB().getName(), st.shard0.shardName);
|
|
assert.commandWorked(mongos.adminCommand({shardCollection: coll + '', key: {_id: 1}}));
|
|
|
|
// Insert one document
|
|
assert.writeOK(coll.insert({hello: 'world'}));
|
|
|
|
// Migrate the collection to and from shard1 so shard0 loads the shard1 host
|
|
assert.commandWorked(mongos.adminCommand(
|
|
{moveChunk: coll + '', find: {_id: 0}, to: st.shard1.shardName, _waitForDelete: true}));
|
|
assert.commandWorked(mongos.adminCommand(
|
|
{moveChunk: coll + '', find: {_id: 0}, to: st.shard0.shardName, _waitForDelete: true}));
|
|
|
|
// Drop and re-add shard with the same name but a new host.
|
|
assert.commandWorked(mongos.adminCommand({removeShard: st.shard1.shardName}));
|
|
assert.commandWorked(mongos.adminCommand({removeShard: st.shard1.shardName}));
|
|
|
|
var shard2 = MongoRunner.runMongod({'shardsvr': ''});
|
|
assert.commandWorked(mongos.adminCommand({addShard: shard2.host, name: st.shard1.shardName}));
|
|
|
|
jsTest.log('Shard was dropped and re-added with same name...');
|
|
st.printShardingStatus();
|
|
|
|
// Try a migration
|
|
assert.commandWorked(
|
|
mongos.adminCommand({moveChunk: coll + '', find: {_id: 0}, to: st.shard1.shardName}));
|
|
|
|
assert.eq('world', shard2.getCollection(coll + '').findOne().hello);
|
|
|
|
st.stop();
|
|
MongoRunner.stopMongod(shard2);
|
|
})();
|