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//
// Tests failed cleanup of orphaned data when we have pending chunks
//
var st = new ShardingTest({ shards: 2 });
var mongos = st.s0;
var admin = mongos.getDB( "admin" );
var shards = mongos.getCollection( "config.shards" ).find().toArray();
var coll = mongos.getCollection( "foo.bar" );
assert( admin.runCommand({ enableSharding : coll.getDB() + "" }).ok );
printjson( admin.runCommand({ movePrimary : coll.getDB() + "", to : shards[0]._id }) );
assert( admin.runCommand({ shardCollection : coll + "", key : { _id : 1 } }).ok );
jsTest.log( "Moving some chunks to shard1..." );
assert( admin.runCommand({ split : coll + "", middle : { _id : 0 } }).ok );
assert( admin.runCommand({ split : coll + "", middle : { _id : 1 } }).ok );
assert( admin.runCommand({ moveChunk : coll + "",
find : { _id : 0 },
to : shards[1]._id,
_waitForDelete : true }).ok );
assert( admin.runCommand({ moveChunk : coll + "",
find : { _id : 1 },
to : shards[1]._id,
_waitForDelete : true }).ok );
var metadata = st.shard1.getDB( "admin" )
.runCommand({ getShardVersion : coll + "", fullMetadata : true }).metadata;
printjson( metadata );
assert.eq( metadata.pending[0][0]._id, 1 );
assert.eq( metadata.pending[0][1]._id, MaxKey );
jsTest.log( "Ensuring we won't remove orphaned data in pending chunk..." );
assert( !st.shard1.getDB( "admin" )
.runCommand({ cleanupOrphaned : coll + "", startingFromKey : { _id : 1 } }).stoppedAtKey );
jsTest.log( "Moving some chunks back to shard0 after empty..." );
admin.runCommand({ moveChunk : coll + "",
find : { _id : -1 },
to : shards[1]._id,
_waitForDelete : true });
var metadata = st.shard0.getDB( "admin" )
.runCommand({ getShardVersion : coll + "", fullMetadata : true }).metadata;
printjson( metadata );
assert.eq( metadata.shardVersion.t, 0 );
assert.neq( metadata.collVersion.t, 0 );
assert.eq( metadata.pending.length, 0 );
assert( admin.runCommand({ moveChunk : coll + "",
find : { _id : 1 },
to : shards[0]._id,
_waitForDelete : true }).ok );
var metadata = st.shard0.getDB( "admin" )
.runCommand({ getShardVersion : coll + "", fullMetadata : true }).metadata;
printjson( metadata );
assert.eq( metadata.shardVersion.t, 0 );
assert.neq( metadata.collVersion.t, 0 );
assert.eq( metadata.pending[0][0]._id, 1 );
assert.eq( metadata.pending[0][1]._id, MaxKey );
jsTest.log( "Ensuring again we won't remove orphaned data in pending chunk..." );
assert( !st.shard0.getDB( "admin" )
.runCommand({ cleanupOrphaned : coll + "", startingFromKey : { _id : 1 } }).stoppedAtKey );
jsTest.log( "Checking that pending chunk is promoted on reload..." );
assert.eq( null, coll.findOne({ _id : 1 }) );
var metadata = st.shard0.getDB( "admin" )
.runCommand({ getShardVersion : coll + "", fullMetadata : true }).metadata;
printjson( metadata );
assert.neq( metadata.shardVersion.t, 0 );
assert.neq( metadata.collVersion.t, 0 );
assert.eq( metadata.chunks[0][0]._id, 1 );
assert.eq( metadata.chunks[0][1]._id, MaxKey );
st.printShardingStatus();
jsTest.log( "DONE!" );
st.stop();
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