133 lines
2.9 KiB
JavaScript
133 lines
2.9 KiB
JavaScript
/* test removing a node from a replica set
|
|
*
|
|
* Start set with three nodes
|
|
* Initial sync
|
|
* Remove slave1
|
|
* Remove slave2
|
|
* Bring slave1 back up
|
|
* Bring slave2 back up
|
|
* Add them back as slave
|
|
* Make sure everyone's secondary
|
|
*/
|
|
|
|
load("jstests/replsets/rslib.js");
|
|
var name = "removeNodes";
|
|
var host = getHostName();
|
|
|
|
|
|
print("Start set with three nodes");
|
|
var replTest = new ReplSetTest( {name: name, nodes: 3} );
|
|
var nodes = replTest.startSet();
|
|
replTest.initiate();
|
|
var master = replTest.getMaster();
|
|
|
|
|
|
print("Initial sync");
|
|
master.getDB("foo").bar.baz.insert({x:1});
|
|
|
|
replTest.awaitReplication();
|
|
|
|
|
|
print("Remove slave2");
|
|
var config = replTest.getReplSetConfig();
|
|
|
|
config.members.pop();
|
|
config.version = 2;
|
|
try {
|
|
master.getDB("admin").runCommand({replSetReconfig:config});
|
|
}
|
|
catch(e) {
|
|
print(e);
|
|
}
|
|
reconnect(master);
|
|
|
|
|
|
print("Remove slave1");
|
|
config.members.pop();
|
|
config.version = 3;
|
|
try {
|
|
master.getDB("admin").runCommand({replSetReconfig:config});
|
|
}
|
|
catch(e) {
|
|
print(e);
|
|
}
|
|
reconnect(master);
|
|
|
|
print("sleeping 1");
|
|
sleep(10000);
|
|
// these are already down, but this clears their ports from memory so that they
|
|
// can be restarted later
|
|
stopMongod(replTest.getPort(1));
|
|
stopMongod(replTest.getPort(2));
|
|
|
|
|
|
print("Bring slave1 back up");
|
|
var paths = [ replTest.getPath(1), replTest.getPath(2) ];
|
|
var ports = allocatePorts(2, replTest.getPort(2)+1);
|
|
var args = ["mongod", "--port", ports[0], "--dbpath", paths[0], "--noprealloc", "--smallfiles", "--rest"];
|
|
var conn = startMongoProgram.apply( null, args );
|
|
conn.getDB("local").system.replset.remove();
|
|
printjson(conn.getDB("local").runCommand({getlasterror:1}));
|
|
print(conn);
|
|
print("sleeping 2");
|
|
sleep(10000);
|
|
stopMongod(ports[0]);
|
|
|
|
replTest.restart(1);
|
|
|
|
|
|
print("Bring slave2 back up");
|
|
args[2] = ports[1];
|
|
args[4] = paths[1];
|
|
conn = startMongoProgram.apply( null, args );
|
|
conn.getDB("local").system.replset.remove();
|
|
print("path: "+paths[1]);
|
|
print("sleeping 3");
|
|
sleep(10000);
|
|
stopMongod(ports[1]);
|
|
|
|
replTest.restart(2);
|
|
sleep(10000);
|
|
|
|
|
|
print("Add them back as slaves");
|
|
config.members.push({_id:1, host : host+":"+replTest.getPort(1)});
|
|
config.members.push({_id:2, host : host+":"+replTest.getPort(2)});
|
|
config.version = 4;
|
|
wait(function() {
|
|
try {
|
|
master.getDB("admin").runCommand({replSetReconfig:config});
|
|
}
|
|
catch(e) {
|
|
print(e);
|
|
}
|
|
reconnect(master);
|
|
|
|
master.setSlaveOk();
|
|
var newConfig = master.getDB("local").system.replset.findOne();
|
|
return newConfig.version == 4;
|
|
});
|
|
|
|
|
|
print("Make sure everyone's secondary");
|
|
wait(function() {
|
|
var status = master.getDB("admin").runCommand({replSetGetStatus:1});
|
|
occasionally(function() {
|
|
printjson(status);
|
|
});
|
|
|
|
if (!status.members || status.members.length != 3) {
|
|
return false;
|
|
}
|
|
|
|
for (var i = 0; i<3; i++) {
|
|
if (status.members[i].state != 1 && status.members[i].state != 2) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
});
|
|
|
|
replTest.stopSet();
|
|
|