mongo/jstests/sharding/use_rsm_data_for_cs.js

38 lines
1.2 KiB
JavaScript

// init with one shard with one node rs
import {ShardingTest} from "jstests/libs/shardingtest.js";
let st = new ShardingTest({shards: 1, rs: {nodes: 1}, mongos: 1});
let mongos = st.s;
const rs = st.rs0;
assert.commandWorked(st.s0.adminCommand({enablesharding: "test"}));
var db = mongos.getDB("test");
db.foo.save({_id: 1, x: 1});
assert.eq(db.foo.find({_id: 1}).next().x, 1);
// prevent RSM on all nodes to update config shard
mongos.adminCommand({configureFailPoint: "failReplicaSetChangeConfigServerUpdateHook", mode: "alwaysOn"});
rs.nodes.forEach(function (node) {
node.adminCommand({configureFailPoint: "failUpdateShardIdentityConfigString", mode: "alwaysOn"});
});
// add a node to shard rs
if (TestData.configShard) {
rs.add({"configsvr": ""});
} else {
rs.add({"shardsvr": ""});
}
rs.reInitiate();
rs.awaitSecondaryNodes();
jsTest.log("Reload ShardRegistry");
// force SR reload with flushRouterConfig
mongos.getDB("admin").runCommand({flushRouterConfig: 1});
// issue a read from mongos with secondaryOnly read preference to force it use just added node
jsTest.log("Issue find");
assert.eq(db.foo.find({_id: 1}).readPref("secondary").next().x, 1);
st.stop();