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doTest = function( signal ) {
// Make sure that we can manually shutdown a remove a
// slave from the configuration.
// Create a new replica set test. Specify set name and the number of nodes you want.
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 );
// 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 {
replTest.initiate( config , 'replSetReconfig' );
}
catch(e) {
print(e);
}
// Make sure that a new master comes up
master = replTest.getMaster();
slaves = replTest.liveNodes.slaves;
// Do a status check on each node
// Master should be set to 1 (primary)
assert.soon(function() {
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() {
stat = slaves[0].getDB("admin").runCommand({replSetGetStatus: 1});
return stat.myState == 2;
}, "Slave failed to come up as slave.", 60000);
assert.soon(function() {
stat = slaves[0].getDB("admin").runCommand({replSetGetStatus: 1});
return stat.members.length == 2;
}, "Wrong number of members", 60000);
}
print("replset_remove_node.js");
doTest(15);
print("replset_remove_node SUCCESS");
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