99 lines
3.8 KiB
JavaScript
99 lines
3.8 KiB
JavaScript
/**
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* Tests that 'defaultMaxTimeMS' is applied correctly to the read commands.
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*
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* @tags: [
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* requires_replication,
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* requires_auth,
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* # Transactions aborted upon fcv upgrade or downgrade; cluster parameters use internal txns.
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* uses_transactions,
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* requires_fcv_80,
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* # Uses $where operator
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* requires_scripting,
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* ]
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*/
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import {ReplSetTest} from "jstests/libs/replsettest.js";
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const rst = new ReplSetTest({nodes: 3, keyFile: "jstests/libs/key1"});
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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 dbName = jsTestName();
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const adminDB = primary.getDB("admin");
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// Create the admin user, which is used to insert.
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adminDB.createUser({user: 'admin', pwd: 'admin', roles: ['root']});
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assert.eq(1, adminDB.auth("admin", "admin"));
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const testDB = adminDB.getSiblingDB(dbName);
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const collName = "test";
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const coll = testDB.getCollection(collName);
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for (let i = 0; i < 10; ++i) {
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// Ensures the documents are visible on all nodes.
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assert.commandWorked(coll.insert({a: 1}, {writeConcern: {w: 3}}));
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}
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// Prepare a regular user without the 'bypassDefaultMaxTimeMS' privilege.
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adminDB.createUser({user: 'regularUser', pwd: 'password', roles: ["readWriteAnyDatabase"]});
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const regularUserConn = new Mongo(primary.host).getDB('admin');
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assert(regularUserConn.auth('regularUser', 'password'), "Auth failed");
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const regularUserDB = regularUserConn.getSiblingDB(dbName);
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// A long running query without maxTimeMS specified will succeed.
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assert.commandWorked(
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regularUserDB.runCommand({find: collName, filter: {$where: "sleep(1000); return true;"}}));
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// A long running query with a small maxTimeMS specified will fail.
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assert.commandFailedWithCode(
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regularUserDB.runCommand(
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{find: collName, filter: {$where: "sleep(1000); return true;"}, maxTimeMS: 1}),
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ErrorCodes.MaxTimeMSExpired);
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// Sets the default maxTimeMS for read operations with a small value.
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assert.commandWorked(
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adminDB.runCommand({setClusterParameter: {defaultMaxTimeMS: {readOperations: 1}}}));
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// The read command fails even without specifying a maxTimeMS option.
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assert.commandFailedWithCode(
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regularUserDB.runCommand({find: collName, filter: {$where: "sleep(1000); return true;"}}),
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ErrorCodes.MaxTimeMSExpired);
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// The read command will succeed if specifying a large maxTimeMS option. In this case, it's chosen
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// over the default value.
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assert.commandWorked(regularUserDB.runCommand(
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{find: collName, filter: {$where: "sleep(1000); return true;"}, maxTimeMS: 50000}));
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// The default read MaxTimeMS value doesn't affect write commands.
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assert.commandWorked(regularUserDB.runCommand(
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{update: collName, updates: [{q: {$where: "sleep(1000); return true;"}, u: {$inc: {a: 1}}}]}));
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// Tests the secondaries behave correctly too.
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rst.getSecondaries().forEach(secondary => {
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const regularUserConnSecondary = new Mongo(secondary.host);
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regularUserConnSecondary.setSecondaryOk();
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assert(regularUserConnSecondary.getDB('admin').auth('regularUser', 'password'), "Auth failed");
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const regularUserDBSecondary = regularUserConnSecondary.getDB(dbName);
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// The read command fails even without specifying a maxTimeMS option.
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assert.commandFailedWithCode(
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regularUserDBSecondary.runCommand(
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{find: collName, filter: {$where: "sleep(1000); return true;"}}),
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ErrorCodes.MaxTimeMSExpired);
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// The read command will succeed if specifying a large maxTimeMS option. In this case, it's
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// chosen over the default value.
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assert.commandWorked(regularUserDBSecondary.runCommand(
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{find: collName, filter: {$where: "sleep(1000); return true;"}, maxTimeMS: 50000}));
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});
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// Unsets the default MaxTimeMS to make queries not to time out in the following code.
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assert.commandWorked(
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adminDB.runCommand({setClusterParameter: {defaultMaxTimeMS: {readOperations: 0}}}));
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adminDB.logout();
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regularUserDB.logout();
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rst.stopSet();
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