83 lines
3.1 KiB
JavaScript
83 lines
3.1 KiB
JavaScript
/**
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* Test for making sure that the replica seed list in the config server does not
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* become invalid when a replica set reconfig happens.
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* @tags: [multiversion_incompatible]
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*/
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import {ShardingTest} from "jstests/libs/shardingtest.js";
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import {reconfig, reconnect} from "jstests/replsets/rslib.js";
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// Skip the following checks since the removed node has wrong config and is still alive.
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TestData.skipCheckDBHashes = true;
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TestData.skipAwaitingReplicationOnShardsBeforeCheckingUUIDs = true;
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TestData.skipCheckShardFilteringMetadata = true;
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var NODE_COUNT = 3;
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var st = new ShardingTest({
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shards: {rs0: {nodes: NODE_COUNT, oplogSize: 10}},
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// By default, our test infrastructure sets the election timeout to a very high value (24
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// hours). For this test, we need a shorter election timeout because it relies on nodes running
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// an election when they do not detect an active primary. Therefore, we are setting the
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// electionTimeoutMillis to its default value.
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initiateWithDefaultElectionTimeout: true
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});
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var replTest = st.rs0;
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var mongos = st.s;
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var shardDoc;
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assert.soon(() => {
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shardDoc = mongos.getDB('config').shards.findOne();
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return NODE_COUNT == shardDoc.host.split(',').length; // seed list should contain all nodes
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});
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let confDoc = replTest.getReplSetConfigFromNode();
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let secondary = replTest.getSecondary();
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jsTestLog("Removing " + secondary.host + " from the set");
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confDoc.members = confDoc.members.filter((member) => {
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return member.host !== secondary.host;
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});
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confDoc.version++;
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reconfig(replTest, confDoc);
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jsTest.log("Waiting for mongos to reflect change in shard replica set membership.");
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var replView;
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assert.soon(
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function() {
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var connPoolStats = mongos.getDB('admin').runCommand('connPoolStats');
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replView = connPoolStats.replicaSets[replTest.name].hosts;
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return replView.length == confDoc.members.length;
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},
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function() {
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return ("Expected to find " + confDoc.members.length + " nodes but found " +
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replView.length + " in " + tojson(replView));
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});
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jsTest.log("Waiting for config.shards to reflect change in shard replica set membership.");
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assert.soon(
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function() {
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shardDoc = mongos.getDB('config').shards.findOne();
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// seed list should contain one less node
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return shardDoc.host.split(',').length == confDoc.members.length;
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},
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function() {
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return ("Expected to find " + confDoc.members.length + " nodes but found " +
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shardDoc.host.split(',').length + " in " + shardDoc.host);
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});
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jsTestLog("Waiting for" + secondary.host + "replSetGetStatus to show that it was removed.");
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assert.soonNoExcept(
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() => {
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// The secondary dropped connections when it was removed.
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reconnect(secondary);
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let status = secondary.getDB('admin').runCommand({replSetGetStatus: 1});
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jsTestLog(`replSetGetStatus: ${tojson(status)}`);
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return status.code === ErrorCodes.InvalidReplicaSetConfig;
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},
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"Waiting for" + secondary.host + "replSetGetStatus to show that it was removed",
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undefined /* timeout */,
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1000 /* intervalMS */);
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st.stop({parallelSupported: false, skipValidation: true});
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