How to solve "command find requires authentication" using Golang and MongoDriver

Question

I need help to fix the error. I'm using IBM mongo services.

go version go1.13.6 darwin/amd64

mongo driver version 1.2.1 The connection is working, I can read and write but sometimes it returns : command find requires authentication and command insert requires authentication

MONGO_DB_URI=mongodb://username:password:port,host/dbname?authSource=admin&replicaSet=replset&connect=direct&alias=default

Connect:

 func ConnectDatabase() *mongo.Client {
    clientOptions := options.Client().ApplyURI(os.Getenv("MONGO_DB_URI"))

    ctx, _ := context.WithTimeout(context.Background(), 30*time.Second)
    var err error
    client, err = mongo.Connect(ctx, clientOptions)

    if err != nil {
        log.Fatal(err)
    }

    ctx, _ = context.WithTimeout(context.Background(), 10*time.Second)
    err = client.Ping(ctx, nil)

    if err != nil {
        log.Fatal(err)
        return nil
    }

    fmt.Println("Connected to MongoDB!")
    return client
}

Read:

func FindAll(collectionName string, query bson.M) (*mongo.Cursor, error) {
    collection := client.Database("dbname").Collection(collectionName)
    singleResult, err := collection.Find(context.TODO(), query)
    return singleResult, err
}

Read:

    ctx, _ := context.WithTimeout(context.Background(), 20*time.Second)
    cur, err := mongo.GetCollection("collection_name").Find(ctx, createQuery())
    if err != nil {
        log.Println(err.Error())
    }

I'm using the same database and the same configurations at our another Python Project. No exceptions.

The problem is mongo connects without any authentication but you cannot perform any operations without proper access. — vijay krishna
– vijay krishna, Commented Feb 19, 2020 at 15:44

Kartavya Ramnani · Accepted Answer · 2020-02-19 16:34:20Z

4

There is a difference between connecting to a DB and performing operations on the DB. Mongo lets you connect without authentication because you have to be able to connect to be able to authenticate.

var cred options.Credential

cred.AuthSource = YourAuthSource
cred.Username = YourUserName
cred.Password = YourPassword

// set client options
clientOptions := options.Client().ApplyURI(os.Getenv("MONGO_DB_URI")).SetAuth(cred)

//... the rest of your code

Hope this helps.

answered Feb 19, 2020 at 16:34

Kartavya Ramnani

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