mongo/jstests/replsets/disabling_chaining_changes_...

42 lines
1.3 KiB
JavaScript

/**
* Tests that setting settings.chainingAllowed to false should cause a node to change its sync
* source if it isn't already syncing from the primary.
*/
import {ReplSetTest} from "jstests/libs/replsettest.js";
import {isConfigCommitted, reconfig, syncFrom} from "jstests/replsets/rslib.js";
const replSet = new ReplSetTest({
nodes: [{}, {rsConfig: {priority: 0}}, {rsConfig: {priority: 0}}],
settings: {chainingAllowed: true},
nodeOptions: {setParameter: {writePeriodicNoops: true}},
});
replSet.startSet();
replSet.initiate();
const primary = replSet.getPrimary();
const secondaries = replSet.getSecondaries();
const secondary = secondaries[0];
jsTestLog("Make sure one secondary is syncing from the other secondary");
syncFrom(secondary, secondaries[1], replSet);
jsTestLog("Reconfigure the set to disable chaining");
const newConfig = replSet.getReplSetConfigFromNode();
newConfig.version++;
newConfig.settings.chainingAllowed = false;
reconfig(replSet, newConfig);
assert.soon(() => isConfigCommitted(replSet.getPrimary()));
replSet.waitForConfigReplication(replSet.getPrimary());
replSet.awaitReplication();
jsTestLog("Do a write so that the secondary will re-evaluate its sync source");
assert.commandWorked(primary.getDB("test").foo.insert({x: 1}));
replSet.awaitSyncSource(secondary, primary);
replSet.stopSet();