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var testInsert = function() {
master.getDB("foo").bar.insert({x:1});
var result = master.getDB("foo").runCommand({getLastError:1, w:"majority", wtimeout:timeout});
printjson(result);
return result;
};
var num = 7;
var host = getHostName();
var name = "tags";
var timeout = 10000;
var replTest = new ReplSetTest( {name: name, nodes: num, startPort:31000} );
var nodes = replTest.startSet();
var port = replTest.ports;
var config = {_id : name, members :
[
{_id:0, host : host+":"+port[0], priority : 2},
{_id:1, host : host+":"+port[1], votes : 3},
{_id:2, host : host+":"+port[2]},
{_id:3, host : host+":"+port[3], arbiterOnly : true},
{_id:4, host : host+":"+port[4], arbiterOnly : true},
{_id:5, host : host+":"+port[5], arbiterOnly : true},
{_id:6, host : host+":"+port[6], arbiterOnly : true},
],
};
replTest.initiate(config);
replTest.awaitReplication();
var master = replTest.getMaster();
print("try taking down 4 arbiters");
replTest.stop(3);
replTest.stop(4);
replTest.stop(6);
replTest.remove(6);
replTest.stop(5);
replTest.remove(5);
print("should still be able to write to a majority");
assert.eq(testInsert().err, null);
print("start up some of the arbiters again");
replTest.restart(3);
replTest.restart(4);
print("remove 2 of the arbiters");
config.version = 2;
config.members.pop();
config.members.pop();
try {
master.getDB("admin").runCommand({replSetReconfig : config});
}
catch (e) {
print("reconfig error: "+e);
}
replTest.awaitReplication();
replTest.bridge();
master = replTest.getMaster();
print("get back in the groove");
testInsert();
replTest.awaitReplication();
print("makes sure majority works");
assert.eq(testInsert().err, null);
print("setup: 0,1 | 2,3,4");
replTest.partition(0,2);
replTest.partition(0,3);
replTest.partition(0,4);
replTest.partition(1,2);
replTest.partition(1,3);
replTest.partition(1,4);
print("make sure majority doesn't work");
// primary should now be 2
master = replTest.getMaster();
assert.eq(testInsert().err, "timeout");
print("bring set back together");
replTest.unPartition(0,2);
replTest.unPartition(0,3);
replTest.unPartition(1,4);
master = replTest.getMaster();
print("make sure majority works");
assert.eq(testInsert().err, null);
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