Files
mongo/jstests/replsets/get_replication_info_helper.js

61 lines
2.2 KiB
JavaScript

// Tests the output of db.getReplicationInfo(), db.printSlaveReplicationInfo(), and the latter's
// alias, db.printSecondaryReplicationInfo().
(function() {
"use strict";
var name = "getReplicationInfo";
var replSet = new ReplSetTest({name: name, nodes: 3, oplogSize: 50});
var nodes = replSet.nodeList();
replSet.startSet();
replSet.initiate();
var primary = replSet.getPrimary();
for (var i = 0; i < 100; i++) {
primary.getDB('test').foo.insert({a: i});
}
replSet.awaitReplication();
var replInfo = primary.getDB('admin').getReplicationInfo();
var replInfoString = tojson(replInfo);
assert.eq(50, replInfo.logSizeMB, replInfoString);
assert.lt(0, replInfo.usedMB, replInfoString);
assert.lte(0, replInfo.timeDiff, replInfoString);
assert.lte(0, replInfo.timeDiffHours, replInfoString);
// Just make sure the following fields exist since it would be hard to predict their values
assert(replInfo.tFirst, replInfoString);
assert(replInfo.tLast, replInfoString);
assert(replInfo.now, replInfoString);
// calling this function with and without a primary, should provide sufficient code coverage
// to catch any JS errors
var mongo =
startParallelShell("db.getSiblingDB('admin').printSlaveReplicationInfo();", primary.port);
mongo();
assert(rawMongoProgramOutput().match("behind the primary"));
// get to a primaryless state
for (i in replSet.getSecondaries()) {
var secondary = replSet.getSecondaries()[i];
secondary.getDB('admin').runCommand({replSetFreeze: 120});
}
assert.commandWorked(primary.getDB('admin').runCommand({replSetStepDown: 120, force: true}));
// printSlaveReplicationInfo is deprecated and aliased to printSecondaryReplicationInfo, but ensure
// it still works for backwards compatibility.
mongo = startParallelShell("db.getSiblingDB('admin').printSlaveReplicationInfo();", primary.port);
mongo();
assert(rawMongoProgramOutput().match("behind the freshest"));
clearRawMongoProgramOutput();
assert.eq(rawMongoProgramOutput().match("behind the freshest"), null);
// Ensure that the new helper, printSecondaryReplicationInfo works the same.
mongo =
startParallelShell("db.getSiblingDB('admin').printSecondaryReplicationInfo();", primary.port);
mongo();
assert(rawMongoProgramOutput().match("behind the freshest"));
replSet.stopSet();
})();