mirror of https://github.com/mongodb/mongo
93 lines
3.5 KiB
JavaScript
93 lines
3.5 KiB
JavaScript
// Tests the output of db.getReplicationInfo(), db.printSlaveReplicationInfo(), and the latter's
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// alias, db.printSecondaryReplicationInfo().
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(function() {
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"use strict";
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load("jstests/libs/fail_point_util.js");
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var name = "getReplicationInfo";
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const replSet = new ReplSetTest({name: name, nodes: 2, oplogSize: 50});
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replSet.startSet();
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replSet.initiate();
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var primary = replSet.getPrimary();
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// Test that db.printSlaveReplicationInfo() and db.printSecondaryReplicationInfo() both print
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// out initial sync info when called during an initial sync.
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const syncTarget = replSet.add({
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rsConfig: {votes: 0, priority: 0},
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setParameter: {
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'failpoint.forceSyncSourceCandidate':
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tojson({mode: 'alwaysOn', data: {hostAndPort: primary.name}})
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}
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});
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syncTarget.setSecondaryOk();
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const failPointBeforeFinish = configureFailPoint(syncTarget, 'initialSyncHangBeforeFinish');
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replSet.reInitiate();
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failPointBeforeFinish.wait();
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const callPrintSecondaryReplInfo = startParallelShell(
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"db.getSiblingDB('admin').printSecondaryReplicationInfo();", syncTarget.port);
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callPrintSecondaryReplInfo();
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assert(rawMongoProgramOutput().match("InitialSyncSyncSource: " + primary.name));
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assert(rawMongoProgramOutput().match("InitialSyncRemainingEstimatedDuration: "));
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clearRawMongoProgramOutput();
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const callPrintSlaveReplInfo =
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startParallelShell("db.getSiblingDB('admin').printSlaveReplicationInfo();", syncTarget.port);
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callPrintSlaveReplInfo();
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assert(rawMongoProgramOutput().match("InitialSyncSyncSource: " + primary.name));
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assert(rawMongoProgramOutput().match("InitialSyncRemainingEstimatedDuration: "));
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clearRawMongoProgramOutput();
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failPointBeforeFinish.off();
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replSet.awaitSecondaryNodes();
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for (var i = 0; i < 100; i++) {
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primary.getDB('test').foo.insert({a: i});
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}
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replSet.awaitReplication();
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var replInfo = primary.getDB('admin').getReplicationInfo();
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var replInfoString = tojson(replInfo);
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assert.eq(50, replInfo.logSizeMB, replInfoString);
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assert.lt(0, replInfo.usedMB, replInfoString);
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assert.lte(0, replInfo.timeDiff, replInfoString);
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assert.lte(0, replInfo.timeDiffHours, replInfoString);
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// Just make sure the following fields exist since it would be hard to predict their values
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assert(replInfo.tFirst, replInfoString);
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assert(replInfo.tLast, replInfoString);
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assert(replInfo.now, replInfoString);
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// calling this function with and without a primary, should provide sufficient code coverage
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// to catch any JS errors
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var mongo =
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startParallelShell("db.getSiblingDB('admin').printSlaveReplicationInfo();", primary.port);
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mongo();
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assert(rawMongoProgramOutput().match("behind the primary"));
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// get to a primaryless state
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for (i in replSet.getSecondaries()) {
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var secondary = replSet.getSecondaries()[i];
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secondary.getDB('admin').runCommand({replSetFreeze: 120});
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}
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assert.commandWorked(primary.getDB('admin').runCommand({replSetStepDown: 120, force: true}));
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// printSlaveReplicationInfo is deprecated and aliased to printSecondaryReplicationInfo, but ensure
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// it still works for backwards compatibility.
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mongo = startParallelShell("db.getSiblingDB('admin').printSlaveReplicationInfo();", primary.port);
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mongo();
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assert(rawMongoProgramOutput().match("behind the freshest"));
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clearRawMongoProgramOutput();
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assert.eq(rawMongoProgramOutput().match("behind the freshest"), null);
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// Ensure that the new helper, printSecondaryReplicationInfo works the same.
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mongo =
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startParallelShell("db.getSiblingDB('admin').printSecondaryReplicationInfo();", primary.port);
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mongo();
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assert(rawMongoProgramOutput().match("behind the freshest"));
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replSet.stopSet();
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})();
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