mirror of https://github.com/mongodb/mongo
95 lines
3.6 KiB
JavaScript
95 lines
3.6 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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import {configureFailPoint} from "jstests/libs/fail_point_util.js";
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import {ReplSetTest} from "jstests/libs/replsettest.js";
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let 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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let 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": 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();",
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syncTarget.port,
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);
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callPrintSecondaryReplInfo();
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assert(rawMongoProgramOutput("InitialSyncSyncSource: ").match(primary.name));
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let subStr = "InitialSyncRemainingEstimatedDuration: ";
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assert(rawMongoProgramOutput(subStr).match(subStr));
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clearRawMongoProgramOutput();
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const callPrintSlaveReplInfo = startParallelShell(
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"db.getSiblingDB('admin').printSlaveReplicationInfo();",
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syncTarget.port,
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);
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callPrintSlaveReplInfo();
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assert(rawMongoProgramOutput("InitialSyncSyncSource: ").match(primary.name));
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assert(rawMongoProgramOutput(subStr).match(subStr));
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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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let replInfo = primary.getDB("admin").getReplicationInfo();
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let 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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let mongo = startParallelShell("db.getSiblingDB('admin').printSlaveReplicationInfo();", primary.port);
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mongo();
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subStr = "behind the primary";
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assert(rawMongoProgramOutput(subStr).match(subStr));
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// get to a primaryless state
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for (i in replSet.getSecondaries()) {
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let 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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subStr = "behind the freshest";
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assert(rawMongoProgramOutput(subStr).match(subStr));
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clearRawMongoProgramOutput();
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assert.eq(rawMongoProgramOutput(subStr).match(subStr), null);
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// Ensure that the new helper, printSecondaryReplicationInfo works the same.
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mongo = startParallelShell("db.getSiblingDB('admin').printSecondaryReplicationInfo();", primary.port);
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mongo();
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assert(rawMongoProgramOutput(subStr).match(subStr));
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replSet.stopSet();
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