135 lines
4.6 KiB
JavaScript
135 lines
4.6 KiB
JavaScript
/**
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* Tests that writes which complete before stepdown correctly report their errors after the
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* stepdown.
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*/
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load("jstests/libs/logv2_helpers.js");
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(function() {
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"use strict";
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const rst = new ReplSetTest({nodes: [{}, {rsConfig: {priority: 0}}]});
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rst.startSet();
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rst.initiate();
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const primary = rst.getPrimary();
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const primaryAdmin = primary.getDB("admin");
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// We need a separate connection to avoid interference with the ReplSetTestMechanism.
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const primaryDataConn = new Mongo(primary.host);
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const primaryDb = primaryDataConn.getDB("test");
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const collname = "last_error_reported_after_stepdown";
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const coll = primaryDb[collname];
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// Never retry on network error, because this test needs to detect the network error.
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TestData.skipRetryOnNetworkError = true;
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// This is specifically testing unacknowledged legacy writes.
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primaryDataConn.forceWriteMode('legacy');
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assert.commandWorked(
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coll.insert([{_id: 'deleteme'}, {_id: 'updateme', nullfield: null}, {_id: 'findme'}],
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{writeConcern: {w: 1}}));
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rst.awaitReplication();
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function getLogMsgFilter(isJson, command, collection) {
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if (isJson) {
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command = command.replace(/ /g, "");
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let logMsg = `"type":"${command}",`;
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if (collection != undefined) {
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logMsg += `"ns":"${collection}",`;
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} else {
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logMsg += '.*';
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}
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logMsg += '"appName":"MongoDB Shell",';
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return RegExp(logMsg);
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}
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let logMsg = command;
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if (collection != undefined) {
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logMsg += collection;
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}
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return logMsg + ' appName: "MongoDB Shell"';
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}
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// Note that "operation" should always be on primaryDataConn, so the stepdown doesn't clear
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// the last error.
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function runStepDownTest({description, logCommand, logCollection, operation, errorCode, nDocs}) {
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jsTestLog(`Trying ${description} on the primary, then stepping down`);
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// We need to make sure the command is complete before stepping down.
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assert.commandWorked(
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primaryAdmin.adminCommand({setParameter: 1, logComponentVerbosity: {command: 1}}));
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operation();
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// Wait for the operation to complete.
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checkLog.contains(primary, getLogMsgFilter(isJsonLog(primary), logCommand, logCollection));
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assert.commandWorked(
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primaryAdmin.adminCommand({setParameter: 1, logComponentVerbosity: {command: 0}}));
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assert.commandWorked(primaryAdmin.adminCommand({replSetStepDown: 60, force: true}));
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rst.waitForState(primary, ReplSetTest.State.SECONDARY);
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var lastError = assert.commandWorked(primaryDb.runCommand({getLastError: 1}));
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if (typeof (errorCode) == "number")
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assert.eq(
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lastError.code,
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errorCode,
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"Expected error code " + errorCode + ", got lastError of " + JSON.stringify(lastError));
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else {
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assert(!lastError.err, "Expected no error, got lastError of " + JSON.stringify(lastError));
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}
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if (typeof (nDocs) == "number") {
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assert.eq(lastError.n, nDocs, "Wrong number of documents modified or updated");
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}
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// Allow the primary to be re-elected, and wait for it.
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assert.commandWorked(primaryAdmin.adminCommand({replSetFreeze: 0}));
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rst.getPrimary();
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}
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// Tests which should have no errors.
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// Clear log messages to avoid picking up the log of the insertion of the 'deleteme'
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// document.
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assert.commandWorked(primaryAdmin.adminCommand({clearLog: 'global'}));
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runStepDownTest({
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description: "insert",
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logCommand: "insert ",
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logCollection: coll.getFullName(),
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operation: () => coll.insert({_id: 0})
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});
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runStepDownTest({
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description: "update",
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logCommand: "update ",
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operation: () => coll.update({_id: 'updateme'}, {'$inc': {x: 1}}),
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nDocs: 1
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});
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runStepDownTest({
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description: "remove",
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logCommand: "remove ",
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operation: () => coll.remove({_id: 'deleteme'}),
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nDocs: 1
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});
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// Tests which should have errors.
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// We repeat log messages from tests above, so clear the log first.
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assert.commandWorked(primaryAdmin.adminCommand({clearLog: 'global'}));
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runStepDownTest({
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description: "insert with error",
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logCommand: "insert ",
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logCollection: coll.getFullName(),
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operation: () => coll.insert({_id: 0}),
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errorCode: ErrorCodes.DuplicateKey
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});
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runStepDownTest({
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description: "update with error",
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logCommand: "update ",
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operation: () => coll.update({_id: 'updateme'}, {'$inc': {nullfield: 1}}),
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errorCode: ErrorCodes.TypeMismatch,
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nDocs: 0
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});
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runStepDownTest({
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description: "remove with error",
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logCommand: "remove ",
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operation: () => coll.remove({'$nonsense': {x: 1}}),
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errorCode: ErrorCodes.BadValue,
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nDocs: 0
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});
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rst.stopSet();
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})();
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