vernemq Archive - Page 2 of 2

Understanding Erlang & Lua / Luerl for VerneMQ MongoDB auth_on_register hook

By Maximilian Batz | 2019-05-12

My goal / TLDR My goal with this blog post is to explain how to set custom mountpoints for VerneMQ by modifying the shipped MongoDB auth Lua script (lua/auth/mongodb.lua). Setting a custom mountpoint is possible with VerneMQ not only by setting mountpoints manually for specific listeners (e.g. ports), but also programmatically during authorization in your…

mongo_orm Exception: missing bson key: publish_acl (Exception)

By Maximilian Batz | 2019-05-10

When you extend your field definitions in the mongo_orm document classes, specifically with embedded documents, you might run into the following runtime (!) error: Exception: missing bson key: <name> (Exception) This is not an error in your code – your code is raising, because the database structure is not as it expects it to be!…