0c8b0d57c7
These calls were mostly mistakes that should have been assert.eq(). assert() will now trip if passed a non-string msg, or too many params.
74 lines
2.7 KiB
JavaScript
74 lines
2.7 KiB
JavaScript
// Test that the clock skew of the distributed lock disallows getting locks for moving and splitting.
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(function() {
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var s = new ShardingTest({ name: "moveDistLock",
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shards: 3,
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other: { sync : true } });
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// Enable sharding on DB and collection before skewing the clocks
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result = s.getDB("admin").runCommand( { enablesharding : "test1" } );
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result = s.getDB("test1").foo.ensureIndex( { a : 1 } );
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result = s.getDB("admin").runCommand( { shardcollection : "test1.foo", key : { a : 1 } } );
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print(" Collection Sharded! ")
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s._configServers[0].getDB( "admin" ).runCommand( { _skewClockCommand : 1, skew : 15000 } )
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s._configServers[1].getDB( "admin" ).runCommand( { _skewClockCommand : 1, skew : -32000 } )
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// We need to start another mongos after skewing the clock, since the first mongos will have already
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// tested the config servers (via the balancer) before we manually skewed them
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var otherMongos = MongoRunner.runMongos({v: 2, configdb: s._configDB});
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// Initialize DB data
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initDB = function(name) {
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var db = s.getDB( name );
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var c = db.foo;
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c.save( { a : 1 } );
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c.save( { a : 2 } );
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c.save( { a : 3 } );
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assert.eq( 3, c.count() );
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return s.getServer( name );
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}
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from = initDB( "test1" );
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to = s.getAnother( from );
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s.printShardingStatus();
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// Make sure we can't move when our clock skew is so high
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result = otherMongos.getDB( "admin" ).runCommand( { moveprimary : "test1", to : to.name } );
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printjson(result);
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s.printShardingStatus();
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assert.eq( result.ok, 0, "Move command should not have succeeded!" )
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// Make sure we can't split when our clock skew is so high
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result = otherMongos.getDB( "admin" ).runCommand( { split : "test1.foo", find : { a : 2 } } );
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printjson(result);
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assert.eq( result.ok, 0, "Split command should not have succeeded!")
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// Adjust clock back in bounds
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s._configServers[1].getDB( "admin" ).runCommand( { _skewClockCommand : 1, skew : 0 } )
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print(" Clock adjusted back to in-bounds. ");
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// Make sure we can now split
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result = otherMongos.getDB( "admin" ).runCommand( { split : "test1.foo", find : { a : 2 } } );
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s.printShardingStatus();
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printjson(result);
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assert.eq( result.ok, 1, "Split command should have succeeded!")
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// Make sure we can now move
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result = otherMongos.getDB( "admin" ).runCommand( { moveprimary : "test1", to : to.name } );
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s.printShardingStatus();
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printjson(result);
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assert.eq( result.ok, 1, "Move command should have succeeded!" )
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// Make sure we can now move again (getting the lock twice)
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result = otherMongos.getDB( "admin" ).runCommand( { moveprimary : "test1", to : from.name } );
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s.printShardingStatus();
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printjson(result);
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assert.eq( result.ok, 1, "Move command should have succeeded again!" )
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s.stop();
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})();
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