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//
// Tests that only a correct major-version is needed to connect to a shard via mongos
//
var st = new ShardingTest({ shards : 1, mongos : 2, other : { separateConfig : true } })
st.stopBalancer()
var mongos = st.s0
var staleMongos = st.s1
var admin = mongos.getDB( "admin" )
var config = mongos.getDB( "config" )
var coll = mongos.getCollection( "foo.bar" )
// This converter is needed as spidermonkey and v8 treat Timestamps slightly differently
// TODO: Is this a problem? SERVER-6079
var tsToObj = function( obj ){
return { t : obj.t, i : obj.i }
}
// Shard collection
printjson( admin.runCommand({ enableSharding : coll.getDB() + "" }) )
printjson( admin.runCommand({ shardCollection : coll + "", key : { _id : 1 } }) )
// Make sure our stale mongos is up-to-date with no splits
staleMongos.getCollection( coll + "" ).findOne()
// Run one split
printjson( admin.runCommand({ split : coll + "", middle : { _id : 0 } }) )
// Make sure our stale mongos is not up-to-date with the split
printjson( admin.runCommand({ getShardVersion : coll + "" }) )
printjson( staleMongos.getDB( "admin" ).runCommand({ getShardVersion : coll + "" }) )
// Compare strings b/c timestamp comparison is a bit weird
assert.eq( tsToObj( Timestamp( 1, 2 ) ),
tsToObj( admin.runCommand({ getShardVersion : coll + "" }).version ) )
assert.eq( tsToObj( Timestamp( 1, 0 ) ),
tsToObj( staleMongos.getDB( "admin" ).runCommand({ getShardVersion : coll + "" }).version ) )
// See if our stale mongos is required to catch up to run a findOne on an existing connection
staleMongos.getCollection( coll + "" ).findOne()
printjson( staleMongos.getDB( "admin" ).runCommand({ getShardVersion : coll + "" }) )
assert.eq( tsToObj( Timestamp( 1, 0 ) ),
tsToObj( staleMongos.getDB( "admin" ).runCommand({ getShardVersion : coll + "" }).version ) )
// See if our stale mongos is required to catch up to run a findOne on a new connection
staleMongos = new Mongo( staleMongos.host )
staleMongos.getCollection( coll + "" ).findOne()
printjson( staleMongos.getDB( "admin" ).runCommand({ getShardVersion : coll + "" }) )
assert.eq( tsToObj( Timestamp( 1, 0 ) ),
tsToObj( staleMongos.getDB( "admin" ).runCommand({ getShardVersion : coll + "" }).version ) )
st.stop()
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