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// Test one master replicating to two slaves
//
// There is no automatic fail-over in a master/slave deployment, so if the master goes down, no new
// master will be elected. Therefore if the master is using an ephemeral storage engine, it cannot
// be restarted without losing all data. This test expects that restarting the master will maintain
// the node's data, so cannot be run with ephemeral storage engines.
// @tags: [requires_persistence]
var baseName = "jstests_repl6test";
soonCount = function(m, count) {
assert.soon(function() {
return m.getDB(baseName).a.find().count() == count;
}, "expected count: " + count + " from : " + m);
};
doTest = function(signal) {
ports = allocatePorts(3);
ms1 = new ReplTest("repl6tests-1", [ports[0], ports[1]]);
ms2 = new ReplTest("repl6tests-2", [ports[0], ports[2]]);
m = ms1.start(true);
s1 = ms1.start(false);
s2 = ms2.start(false);
am = m.getDB(baseName).a;
for (i = 0; i < 1000; ++i)
am.save({_id: new ObjectId(), i: i});
soonCount(s1, 1000);
soonCount(s2, 1000);
check = function(as) {
assert.eq(1, as.find({i: 0}).count());
assert.eq(1, as.find({i: 999}).count());
};
as = s1.getDB(baseName).a;
check(as);
as = s2.getDB(baseName).a;
check(as);
ms1.stop(false, signal);
ms2.stop(false, signal);
for (i = 1000; i < 1010; ++i)
am.save({_id: new ObjectId(), i: i});
s1 = ms1.start(false, null, true);
soonCount(s1, 1010);
as = s1.getDB(baseName).a;
assert.eq(1, as.find({i: 1009}).count());
ms1.stop(true, signal);
// Need to pause here on Windows, since killing processes does not synchronously close their
// open file handles.
sleep(5000);
m = ms1.start(true, null, true);
am = m.getDB(baseName).a;
for (i = 1010; i < 1020; ++i)
am.save({_id: new ObjectId(), i: i});
soonCount(s1, 1020);
assert.eq(1, as.find({i: 1019}).count());
s2 = ms2.start(false, null, true);
soonCount(s2, 1020);
as = s2.getDB(baseName).a;
assert.eq(1, as.find({i: 1009}).count());
assert.eq(1, as.find({i: 1019}).count());
ms1.stop();
ms2.stop(false);
};
doTest(15); // SIGTERM
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