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/**
* Checks that setClusterParameter command only run once
*
* @tags: [
* # Requires all nodes to be running the latest binary.
* requires_fcv_60,
* featureFlagClusterWideConfig,
* does_not_support_stepdowns
* ]
*/
(function() {
'use strict';
load('jstests/libs/fail_point_util.js');
const clusterParameter1Value = {
intData: 42
};
const clusterParameter1Name = 'testIntClusterParameter';
const clusterParameter1 = {
[clusterParameter1Name]: clusterParameter1Value
};
const clusterParameter2Value = {
strData: 'on'
};
const clusterParameter2Name = 'testStrClusterParameter';
const clusterParameter2 = {
[clusterParameter2Name]: clusterParameter2Value
};
const st = new ShardingTest({shards: 1, rs: {nodes: 3}});
let fp =
configureFailPoint(st.configRS.getPrimary(), 'hangBeforeRunningConfigsvrCoordinatorInstance');
let setClusterParameterSuccessThread = new Thread((mongosConnString, clusterParameter) => {
let mongos = new Mongo(mongosConnString);
assert.commandWorked(mongos.adminCommand({setClusterParameter: clusterParameter}));
}, st.s.host, clusterParameter1);
setClusterParameterSuccessThread.start();
fp.wait();
jsTestLog(
'Check that 2 requests for the same cluster parameter and same value generates only one coordinator.');
let setClusterParameterJoinSuccessThread = new Thread((mongosConnString, clusterParameter) => {
let mongos = new Mongo(mongosConnString);
assert.commandWorked(mongos.adminCommand({setClusterParameter: clusterParameter}));
}, st.s.host, clusterParameter1);
setClusterParameterJoinSuccessThread.start();
fp.wait();
let currOp =
st.configRS.getPrimary()
.getDB('admin')
.aggregate(
[{$currentOp: {allUsers: true}}, {$match: {desc: 'SetClusterParameterCoordinator'}}])
.toArray();
assert.eq(1, currOp.length);
assert(currOp[0].hasOwnProperty('command'));
assert.docEq(currOp[0].command, clusterParameter1);
jsTestLog('Check that a second request will fail with ConflictingOperationInProgress.');
assert.commandFailedWithCode(st.s.adminCommand({setClusterParameter: clusterParameter2}),
ErrorCodes.ConflictingOperationInProgress);
fp.off();
setClusterParameterSuccessThread.join();
setClusterParameterJoinSuccessThread.join();
jsTestLog('Check forward progress until completion in the presence of a config server stepdown.');
fp = configureFailPoint(st.configRS.getPrimary(), 'hangBeforeRunningConfigsvrCoordinatorInstance');
let setClusterParameterThread = new Thread((mongosConnString, clusterParameter) => {
let mongos = new Mongo(mongosConnString);
assert.commandWorked(mongos.adminCommand({setClusterParameter: clusterParameter}));
}, st.s.host, clusterParameter2);
setClusterParameterThread.start();
fp.wait();
let newPrimary = st.configRS.getSecondary();
st.configRS.stepUp(newPrimary);
// After the stepdown the command should be retried and finish successfully.
setClusterParameterThread.join();
const clusterParametersConfigColl =
st.configRS.getPrimary().getCollection('config.clusterParameters');
const shardParametersConfigColl = st.rs0.getPrimary().getCollection('config.clusterParameters');
assert.eq(1, clusterParametersConfigColl.countDocuments({_id: clusterParameter2Name}));
const configClusterParameter = clusterParametersConfigColl.findOne(
{_id: clusterParameter2Name}, {_id: 0, clusterParameterTime: 0});
const shardClusterParameter = shardParametersConfigColl.findOne({_id: clusterParameter2Name},
{_id: 0, clusterParameterTime: 0});
assert.docEq(configClusterParameter, clusterParameter2Value);
assert.docEq(shardClusterParameter, clusterParameter2Value);
fp.off();
// Check the full cluster has the same clusterParameterTime as the config server.
const configParameterTime =
clusterParametersConfigColl.findOne({_id: clusterParameter2Name}, {clusterParameterTime: 1})
.clusterParameterTime;
assert.eq(configParameterTime,
shardParametersConfigColl.findOne({_id: clusterParameter2Name}, {clusterParameterTime: 1})
.clusterParameterTime);
st.stop();
})();
|
