How to access to oplog MongoDB (MMS replica set)

Question

I have a MongoDB replica set with MMS. I created a user with all privileges (all available on MMS) but I can\'t access to the local db and/or oplog colecction. TRACE:

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Answer 1

Check this link

Basically, from mongo 2.6 you need to create a user and grant access to the oplog (as well as accessing the DB using the right credentials)

Something like:

db.runCommand({ createRole: "oplogger", 
               privileges: [{ resource: { db: 'local', collection: 'oplog.rs'},
                               actions: ['find']}, ],
               roles: [{role: 'read', db: 'local'}] })

Full procedure here