101 lines
4.4 KiB
JavaScript
101 lines
4.4 KiB
JavaScript
/**
|
|
* Tests that initial sync survives a network error during each stage of the cloning process,
|
|
* except for the query stage.
|
|
*/
|
|
(function() {
|
|
"use strict";
|
|
|
|
load("jstests/libs/fail_point_util.js");
|
|
|
|
const testName = "initial_sync_survives_network_error.js";
|
|
const rst = new ReplSetTest({name: testName, nodes: 1, useBridge: true});
|
|
rst.startSet();
|
|
rst.initiate();
|
|
|
|
const primary = rst.getPrimary();
|
|
const primaryDb = primary.getDB("test");
|
|
// The default WC is majority and this test can't satisfy majority writes.
|
|
assert.commandWorked(primary.adminCommand(
|
|
{setDefaultRWConcern: 1, defaultWriteConcern: {w: 1}, writeConcern: {w: "majority"}}));
|
|
|
|
// Add some data to be cloned.
|
|
assert.commandWorked(primaryDb.test.insert([{a: 1}, {b: 2}, {c: 3}]));
|
|
|
|
jsTest.log("Adding a new node to the replica set");
|
|
const secondary = rst.add({
|
|
rsConfig: {priority: 0, votes: 0},
|
|
setParameter: {
|
|
'failpoint.initialSyncHangBeforeCopyingDatabases': tojson({mode: 'alwaysOn'}),
|
|
// This test is specifically testing that the cloners stop, so we turn off the
|
|
// oplog fetcher to ensure that we don't inadvertently test that instead.
|
|
'failpoint.hangBeforeStartingOplogFetcher': tojson({mode: 'alwaysOn'}),
|
|
'numInitialSyncAttempts': 1,
|
|
}
|
|
});
|
|
rst.reInitiate();
|
|
rst.waitForState(secondary, ReplSetTest.State.STARTUP_2);
|
|
|
|
function retryStage(rst, {cloner, stage, extraData}) {
|
|
const nRetries = 3;
|
|
const primary = rst.getPrimary();
|
|
const secondary = rst.getSecondary();
|
|
const secondaryDb = secondary.getDB("test");
|
|
const failPointData = Object.merge(extraData || {}, {cloner: cloner, stage: stage});
|
|
// Set us up to stop right before the given stage.
|
|
const beforeStageFailPoint =
|
|
configureFailPoint(secondaryDb, "hangBeforeClonerStage", failPointData);
|
|
// Set us up to stop after the given stage. This will also release the failpoint for the
|
|
// previous stage, if it was set.
|
|
const afterStageFailPoint =
|
|
configureFailPoint(secondaryDb, "hangAfterClonerStage", failPointData);
|
|
// Release the initial failpoint if set.
|
|
assert.commandWorked(secondaryDb.adminCommand(
|
|
{configureFailPoint: "initialSyncHangBeforeCopyingDatabases", mode: "off"}));
|
|
|
|
beforeStageFailPoint.wait();
|
|
let beforeRetryFailPoint =
|
|
configureFailPoint(secondaryDb, "hangBeforeRetryingClonerStage", failPointData);
|
|
primary.disconnect(secondary);
|
|
jsTestLog("Testing initial attempt in cloner " + cloner + " stage " + stage);
|
|
beforeStageFailPoint.off();
|
|
for (let i = 1; i <= nRetries; i++) {
|
|
jsTestLog("Testing retry #" + i + " in cloner " + cloner + " stage " + stage);
|
|
beforeRetryFailPoint.wait();
|
|
if (i == nRetries) {
|
|
primary.reconnect(secondary);
|
|
}
|
|
// We do this dance with two failpoints because there's no way to skip past a failpoint
|
|
// that we are waiting at and then hit it the next time.
|
|
const beforeRBIDFailPoint = configureFailPoint(
|
|
secondaryDb, "hangBeforeCheckingRollBackIdClonerStage", failPointData);
|
|
beforeRetryFailPoint.off();
|
|
beforeRBIDFailPoint.wait();
|
|
beforeRetryFailPoint =
|
|
configureFailPoint(secondaryDb, "hangBeforeRetryingClonerStage", failPointData);
|
|
beforeRBIDFailPoint.off();
|
|
}
|
|
jsTestLog("Testing retries in cloner " + cloner + " stage " + stage + " finished.");
|
|
afterStageFailPoint.wait();
|
|
jsTestLog("Cloner " + cloner + " stage " + stage + " complete.");
|
|
return afterStageFailPoint;
|
|
}
|
|
retryStage(rst, {cloner: "AllDatabaseCloner", stage: "connect"});
|
|
retryStage(rst, {cloner: "AllDatabaseCloner", stage: "listDatabases"});
|
|
retryStage(rst,
|
|
{cloner: "DatabaseCloner", stage: "listCollections", extraData: {database: 'test'}});
|
|
retryStage(rst, {cloner: "CollectionCloner", stage: "count", extraData: {nss: 'test.test'}});
|
|
const afterStageFailPoint = retryStage(
|
|
rst, {cloner: "CollectionCloner", stage: "listIndexes", extraData: {nss: 'test.test'}});
|
|
|
|
jsTestLog("Releasing the oplog fetcher failpoint.");
|
|
assert.commandWorked(secondary.getDB("test").adminCommand(
|
|
{configureFailPoint: "hangBeforeStartingOplogFetcher", mode: "off"}));
|
|
|
|
jsTestLog("Releasing the final cloner failpoint.");
|
|
afterStageFailPoint.off();
|
|
jsTestLog("Waiting for initial sync to complete.");
|
|
// Wait for initial sync to complete.
|
|
rst.waitForState(secondary, ReplSetTest.State.SECONDARY);
|
|
rst.stopSet();
|
|
})();
|