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// tests that listDatabases doesn't show config db on a shard, even if it is there
var test = new ShardingTest({shards: 1, mongos: 1, other: {chunksize:1}});
var mongos = test.s0;
var mongod = test.shard0;
//grab the config db instance by name
var getDBSection = function (dbsArray, dbToFind) {
for(var pos in dbsArray) {
if (dbsArray[pos].name && dbsArray[pos].name === dbToFind)
return dbsArray[pos];
}
return null;
};
var dbInConfigEntryCheck = function(dbEntry) {
assert.neq(null, dbEntry);
assert(!dbEntry.shards); // db should not be in shard.
assert.neq(null, dbEntry.sizeOnDisk);
assert.eq(false, dbEntry.empty);
};
assert.writeOK(mongos.getDB("blah").foo.insert({ _id: 1 }));
assert.writeOK(mongos.getDB("foo").foo.insert({ _id: 1 }));
assert.writeOK(mongos.getDB("raw").foo.insert({ _id: 1 }));
//verify that the config db is not on a shard
var res = mongos.adminCommand("listDatabases");
var dbArray = res.databases;
dbInConfigEntryCheck(getDBSection(dbArray, "config"));
// Should not have admin entry if it doesn't exists.
var adminSection = getDBSection(dbArray, 'admin');
assert(!adminSection);
// Local database should never be returned
var localSection = getDBSection(dbArray, 'local');
assert(!localSection);
// add doc in admin db on the config server.
assert.writeOK(mongos.getDB('admin').test.insert({ _id: 1 }));
res = mongos.adminCommand("listDatabases");
dbArray = res.databases;
dbInConfigEntryCheck(getDBSection(dbArray, "config"));
dbInConfigEntryCheck(getDBSection(dbArray, 'admin'));
//add doc in config/admin db on the shard
mongod.getDB("config").foo.insert({_id:1});
mongod.getDB("admin").foo.insert({_id:1});
//add doc in admin db (via mongos)
mongos.getDB("admin").foo.insert({_id:1});
//verify that the config db is not on a shard
res = mongos.adminCommand("listDatabases");
dbArray = res.databases;
//check config db
assert(getDBSection(dbArray, "config"), "config db not found! 2");
assert(!getDBSection(dbArray, "config").shards, "config db is on a shard! 2");
//check admin db
assert(getDBSection(dbArray, "admin"), "admin db not found! 2");
assert(!getDBSection(dbArray, "admin").shards, "admin db is on a shard! 2");
test.stop();
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