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// Tests whether new sharding is detected on insert by mongos
(function() {
'use strict';
var st = new ShardingTest({ shards: 10, mongos: 3 });
var mongosA = st.s0;
var mongosB = st.s1;
var mongosC = st.s2;
var admin = mongosA.getDB("admin");
var config = mongosA.getDB("config");
var collA = mongosA.getCollection("foo.bar");
var collB = mongosB.getCollection("" + collA);
var collC = mongosB.getCollection("" + collA);
var shards = config.shards.find().sort({ _id: 1 }).toArray();
assert.commandWorked(admin.runCommand({ enableSharding: "" + collA.getDB() }));
st.ensurePrimaryShard(collA.getDB().getName(), shards[1]._id);
assert.commandWorked(admin.runCommand({ shardCollection: "" + collA, key: { _id: 1 } }));
jsTestLog("Splitting up the collection...");
// Split up the collection
for(var i = 0; i < shards.length; i++){
assert.commandWorked(admin.runCommand({ split: "" + collA, middle: { _id: i } }));
assert.commandWorked(
admin.runCommand({ moveChunk: "" + collA, find: { _id: i }, to: shards[i]._id }));
}
mongosB.getDB("admin").runCommand({ flushRouterConfig: 1 });
mongosC.getDB("admin").runCommand({ flushRouterConfig: 1 });
printjson(collB.count());
printjson(collC.count());
// Change up all the versions...
for(var i = 0; i < shards.length; i++){
assert.commandWorked(admin.runCommand({ moveChunk: "" + collA,
find: { _id: i },
to: shards[ (i + 1) % shards.length ]._id }));
}
// Make sure mongos A is up-to-date
mongosA.getDB("admin").runCommand({ flushRouterConfig: 1 });
st.printShardingStatus(true);
jsTestLog("Running count!");
printjson(collB.count());
printjson(collC.find().toArray());
st.stop();
})();
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