mongo/jstests/replsets/replsetfreeze.js

111 lines
3.5 KiB
JavaScript

/*
* 1: initialize set
* 2: step down m1
* 3: freeze set for 30 seconds
* 4: check no one is primary for 30 seconds
* 5: check for new primary
* 6: step down new primary
* 7: freeze for 30 seconds
* 8: unfreeze
* 9: check we get a new primary within 30 seconds
*/
import {ReplSetTest} from "jstests/libs/replsettest.js";
let w = 0;
let wait = function (f) {
w++;
let 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);
}
};
let reconnect = function (a) {
wait(function () {
try {
a.getDB("foo").bar.stats();
return true;
} catch (e) {
print(e);
return false;
}
});
};
jsTestLog("1: initialize set");
let replTest = new ReplSetTest({name: "unicomplex", nodes: 3});
let nodes = replTest.nodeList();
let conns = replTest.startSet();
let config = {
"_id": "unicomplex",
"members": [
{"_id": 0, "host": nodes[0]},
{"_id": 1, "host": nodes[1]},
{"_id": 2, "host": nodes[2], "arbiterOnly": true},
],
};
let r = replTest.initiate(config, null, {initiateWithDefaultElectionTimeout: true});
replTest.awaitNodesAgreeOnPrimary();
let primary = replTest.getPrimary();
let 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(
primary.getDB("admin").runCommand({replSetFreeze: 30}),
ErrorCodes.NotSecondary,
"replSetFreeze should return error when run on primary " + primary.host,
);
jsTestLog("3: step down primary " + primary.host);
assert.commandWorked(primary.getDB("admin").runCommand({replSetStepDown: 10, force: 1}));
printjson(primary.getDB("admin").runCommand({replSetGetStatus: 1}));
jsTestLog("4: freeze stepped down primary " + primary.host + " for 30 seconds");
let start = new Date().getTime();
assert.commandWorked(primary.getDB("admin").runCommand({replSetFreeze: 30}));
jsTestLog("5: check no one is primary for 30 seconds");
while (new Date().getTime() - start < 28 * 1000) {
// we need less 30 since it takes some time to return... hacky
let result = primary.getDB("admin").runCommand({hello: 1});
assert.eq(result.isWritablePrimary, false);
assert.eq(result.primary, undefined);
sleep(1000);
}
jsTestLog("6: check for new primary");
let newPrimary = replTest.getPrimary();
assert.eq(primary.host, newPrimary.host, "new primary should be the same node as primary that previously stepped down");
jsTestLog("7: step down new primary " + primary.host);
assert.commandWorked(primary.getDB("admin").runCommand({replSetStepDown: 10, force: 1}));
jsTestLog("8: freeze stepped down primary " + primary.host + " for 30 seconds");
primary.getDB("admin").runCommand({replSetFreeze: 30});
sleep(1000);
jsTestLog("9: unfreeze stepped down primary " + primary.host + " after waiting for 1 second");
primary.getDB("admin").runCommand({replSetFreeze: 0});
jsTestLog("10: wait for unfrozen node " + primary.host + " to become primary again");
newPrimary = replTest.getPrimary();
jsTestLog("Primary after unfreezing node: " + newPrimary.host);
assert.eq(
primary.host,
newPrimary.host,
"new primary after unfreezing should be the same node as primary that previously stepped down",
);
replTest.stopSet(15);