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/**
* Tests that the "_configsvrRunRestore" command restores databases with unsharded collections
* referenced in the "local.system.collections_to_restore" collection.
*
* @tags: [
* requires_persistence,
* ]
*/
(function() {
"use strict";
load("jstests/libs/feature_flag_util.js");
const s = new ShardingTest(
{name: "runRestoreUnsharded", shards: 2, mongos: 1, config: 1, other: {chunkSize: 1}});
let mongos = s.s0;
let db = s.getDB("test");
if (!FeatureFlagUtil.isEnabled(s.configRS.getPrimary().getDB("test"), "SelectiveBackup")) {
jsTestLog("Skipping as featureFlagSelectiveBackup is not enabled");
s.stop();
return;
}
s.adminCommand({enablesharding: "test"});
s.ensurePrimaryShard("test", s.shard0.shardName);
// Create an unsharded collection.
assert.commandWorked(db.createCollection("a"));
const collUUID =
s.shard0.getDB("test").runCommand({listCollections: 1}).cursor.firstBatch[0].info.uuid;
// Only sharded collections appear in config.collections
assert.eq(0, mongos.getDB("config").getCollection("collections").find({_id: "test.a"}).count());
assert.eq(1, mongos.getDB("config").getCollection("databases").find({_id: "test"}).count());
s.stop({noCleanData: true});
const configDbPath = s.c0.dbpath;
// Start the config server in standalone restore mode.
let conn = MongoRunner.runMongod({noCleanData: true, dbpath: configDbPath, restore: ""});
assert(conn);
assert.commandWorked(conn.getDB("admin").runCommand({setParameter: 1, logLevel: 1}));
// Create the "local.system.collections_to_restore" collection and insert "test.a".
assert.commandWorked(conn.getDB("local").createCollection("system.collections_to_restore"));
assert.commandWorked(conn.getDB("local").getCollection("system.collections_to_restore").insert({
ns: "test.a",
uuid: collUUID
}));
assert.commandWorked(conn.getDB("admin").runCommand({_configsvrRunRestore: 1}));
// Only sharded collections appear in config.collections
assert.eq(0, conn.getDB("config").getCollection("collections").find({_id: "test.a"}).count());
assert.eq(1, conn.getDB("config").getCollection("databases").find({_id: "test"}).count());
MongoRunner.stopMongod(conn);
}());
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