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/*
* 1: initialize set
* 2: step down m1
* 3: freeze set for 30 seconds
* 4: check no one is master for 30 seconds
* 5: check for new master
* 6: step down new master
* 7: freeze for 30 seconds
* 8: unfreeze
* 9: check we get a new master within 30 seconds
*/
var w = 0;
var wait = function(f) {
w++;
var n = 0;
while (!f()) {
if (n % 4 == 0)
print("toostale.js waiting " + w);
if (++n == 4) {
print("" + f);
}
assert(n < 200, 'tried 200 times, giving up');
sleep(1000);
}
};
var reconnect = function(a) {
wait(function() {
try {
a.getDB("foo").bar.stats();
return true;
} catch (e) {
print(e);
return false;
}
});
};
jsTestLog('1: initialize set');
var replTest = new ReplSetTest({name: 'unicomplex', nodes: 3});
var nodes = replTest.nodeList();
var conns = replTest.startSet();
var config = {
"_id": "unicomplex",
"members": [
{"_id": 0, "host": nodes[0]},
{"_id": 1, "host": nodes[1]},
{"_id": 2, "host": nodes[2], "arbiterOnly": true}
]
};
var r = replTest.initiate(config);
replTest.awaitNodesAgreeOnPrimary();
var master = replTest.getPrimary();
var secondary = replTest.getSecondary();
jsTestLog('2: freeze secondary ' + secondary.host +
' so that it does not run for election for the rest of the test');
assert.commandWorked(secondary.getDB("admin").runCommand({replSetFreeze: 600}));
assert.commandFailedWithCode(
master.getDB("admin").runCommand({replSetFreeze: 30}),
ErrorCodes.NotSecondary,
'replSetFreeze should return error when run on primary ' + master.host);
jsTestLog('3: step down primary ' + master.host);
try {
master.getDB("admin").runCommand({replSetStepDown: 10, force: 1});
} catch (e) {
print(e);
}
reconnect(master);
printjson(master.getDB("admin").runCommand({replSetGetStatus: 1}));
jsTestLog('4: freeze stepped down primary ' + master.host + ' for 30 seconds');
var start = (new Date()).getTime();
assert.commandWorked(master.getDB("admin").runCommand({replSetFreeze: 30}));
jsTestLog('5: check no one is master for 30 seconds');
while ((new Date()).getTime() - start <
(28 * 1000)) { // we need less 30 since it takes some time to return... hacky
var result = master.getDB("admin").runCommand({isMaster: 1});
assert.eq(result.ismaster, false);
assert.eq(result.primary, undefined);
sleep(1000);
}
jsTestLog('6: check for new primary');
var newPrimary = replTest.getPrimary();
assert.eq(master.host,
newPrimary.host,
'new primary should be the same node as primary that previously stepped down');
jsTestLog('7: step down new master ' + master.host);
try {
master.getDB("admin").runCommand({replSetStepDown: 10, force: 1});
} catch (e) {
jsTestLog('step down command threw exception' + e);
}
reconnect(master);
jsTestLog('8: freeze stepped down primary ' + master.host + ' for 30 seconds');
master.getDB("admin").runCommand({replSetFreeze: 30});
sleep(1000);
jsTestLog('9: unfreeze stepped down primary ' + master.host + ' after waiting for 1 second');
master.getDB("admin").runCommand({replSetFreeze: 0});
jsTestLog('10: wait for unfrozen node ' + master.host + ' to become primary again');
newPrimary = replTest.getPrimary();
jsTestLog('Primary after unfreezing node: ' + newPrimary.host);
assert.eq(
master.host,
newPrimary.host,
'new primary after unfreezing should be the same node as primary that previously stepped down');
replTest.stopSet(15);
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