mongo/jstests/sharding/all_config_servers_blackhol...

57 lines
2.0 KiB
JavaScript

/**
* Ensures that if the config servers are blackholed from the point of view of MongoS, metadata
* operations do not get stuck forever.
*
* Checking UUID and index consistency involves talking to config servers through mongos, but mongos
* is blackholed from the config servers in this test.
*/
import {ShardingTest} from "jstests/libs/shardingtest.js";
TestData.skipCheckingUUIDsConsistentAcrossCluster = true;
TestData.skipCheckingIndexesConsistentAcrossCluster = true;
TestData.skipCheckOrphans = true;
TestData.skipCheckRoutingTableConsistency = true;
TestData.skipCheckShardFilteringMetadata = true;
TestData.skipCheckMetadataConsistency = true;
let st = new ShardingTest({
shards: 2,
mongos: 1,
useBridge: true,
bridgeOptions: {verbose: "vvv"},
// ShardingTest use a high config command timeout to avoid spurious failures but this test
// intentionally triggers a timeout, so we restore the default value.
other: {mongosOptions: {setParameter: {defaultConfigCommandTimeoutMS: 30000}}},
});
let testDB = st.s.getDB("BlackHoleDB");
assert.commandWorked(testDB.adminCommand({enableSharding: "BlackHoleDB"}));
assert.commandWorked(testDB.adminCommand({shardCollection: testDB.ShardedColl.getFullName(), key: {_id: 1}}));
assert.commandWorked(testDB.ShardedColl.insert({a: 1}));
jsTest.log("Making all the config servers appear as a blackhole to mongos");
st.forEachConfigServer((configSvr) => {
configSvr.discardMessagesFrom(st.s, 1.0);
});
assert.commandWorked(testDB.adminCommand({flushRouterConfig: 1}));
// This shouldn't stall
jsTest.log("Doing read operation on the sharded collection");
assert.throws(function () {
testDB.ShardedColl.find({}).maxTimeMS(15000).itcount();
});
// This should fail, because the primary is not available
jsTest.log("Doing write operation on a new database and collection");
assert.writeError(
st.s
.getDB("NonExistentDB")
.TestColl.insert({_id: 0, value: "This value will never be inserted"}, {maxTimeMS: 15000}),
);
st.stop();