(function() { // Make sure that we can manually shutdown and remove a // secondary from the configuration. var replTest = new ReplSetTest( {name: 'testSet', nodes: 3} ); // call startSet() to start each mongod in the replica set // this returns a list of nodes var nodes = replTest.startSet(); // Call initiate() to send the replSetInitiate command // This will wait for initiation var name = replTest.nodeList(); replTest.initiate({"_id" : "testSet", "members" : [ // make sure 0 becomes primary so we don't try to remove the // primary below {"_id" : 0, "host" : name[0], priority:2}, {"_id" : 1, "host" : name[1]}, {"_id" : 2, "host" : name[2]}]}); // Call getMaster to return a reference to the node that's been // elected master. var master = replTest.getMaster(); // Reconfigure the set, removing the unwanted node slaveId = replTest.getNodeId( replTest.liveNodes.slaves[0] ); // Shut down the unwanted node replTest.stop( slaveId ); // Note: this will cause the PRIMARY to step down, which causes it to close all // connections, including the one we're using from the shell to drive this test. // The shell will attempt to reconnect once. // Remove that node from the configuration replTest.remove( slaveId ); // Now, re-initiate var c = master.getDB("local")['system.replset'].findOne(); var config = replTest.getReplSetConfig(); config.version = c.version + 1; config.members = [ { "_id" : 0, "host" : replTest.host + ":31000" }, { "_id" : 2, "host" : replTest.host + ":31002" } ]; try { // Note that this will cause the shell's connection to the primary to be disconnected again replTest.initiate( config , 'replSetReconfig' ); } catch(e) { print( "*** exception doing reconfig: " + e); } // Make sure that a new master comes up master = replTest.getMaster(); slaves = replTest.liveNodes.slaves; // Trigger a reconnect from the shell again, to be sure we're reconnected. try { master.getDB("local").system.replset.findOne(); } catch (e) { print( "*** error getting config: " + e); } // Do a status check on each node // Master should be set to 1 (primary) assert.soon(function() { var stat = master.getDB("admin").runCommand({replSetGetStatus: 1}); printjson( stat ); return stat.myState == 1; }, "Master failed to come up as master.", 60000); // Slaves to be set to 2 (secondary) assert.soon(function() { var stat = slaves[0].getDB("admin").runCommand({replSetGetStatus: 1}); return stat.myState == 2; }, "Slave failed to come up as slave.", 60000); assert.soon(function() { var stat = slaves[0].getDB("admin").runCommand({replSetGetStatus: 1}); return stat.members.length == 2; }, "Wrong number of members", 60000); replTest.stopSet(); }());