Erlang

MongooseIM 1.6: Riak, DevOps love, and so much more!

2015-11-25 by Nicolas Vérité and Joseph Yasemides

Most of the development work around MongooseIM is done by working closely with our clients. Many of the new features in MongooseIM 1.6 are the result of building and testing around particular client requirements. We are particularly excited about this release, as it means the beginning of an improved team dynamic, new high-value features, and many improvements.

MongooseIM

What’s new in MongooseIM 1.6

Riak KV

MongooseIM 1.6 introduces support for Riak - the scalable, fault-tolerant, distributed database written in Erlang. For this release, four modules can be configured with Riak, but more are on their way.

Riak

Currently, MongooseIM supports Riak as a storage backend for:

  • Authentication
  • Message Archive Management (MAM, XEP-0313) for one-to-one conversations
  • vCards (XEP-0054)
  • Private XML storage (XEP-0049)

This brings more flexibility in terms of database choice for any infrastructure, as you are free to choose between a RDBMS or NOSQL data store.

Powerful metrics, DevOps love

Version 1.6 offers very powerful metrics and monitoring infrastructure. For the underlying instrumentation, MongooseIM relies on Exometer. It reports OS-level and Erlang VM metrics, in addition to business metrics. You can then push those metrics to any ingesting and graphing system, such as Grafana or Kibana.

This greatly improves DevOps' visibility for managing systems, no matter the size of the installation. Other departments will benefit from having more data to dig into (big data, analytics), thus better understanding the end-users and eventually discovering new opportunities to improve UX, core competencies, and selling points.

Additionally, we have improved how session data from the DB is cleaned up when a node goes down. It eases the support for more database backends in the future, and it brings better cluster handling for DevOps.

Also, it is now possible to change log-level dynamically with a custom log path. For DevOps, once again, it helps consolidated logging for easier deployment, administration, and analysis.

Docker

Get your own easy-to deploy Docker image of MongooseIM. As it is still experimental and will improve over time, please handle it with care: https://hub.docker.com/r/mongooseim/mongooseim-docker/. Give it a test drive, come back to us with feedback or questions and tell us and what you'd like to see in the future. Feel free to fork it from: https://github.com/ppikula/mongooseim-docker.

Additional high value improvements

Extensive technical investment means we can continue to deliver a better MongooseIM with the Open Source community: we made changes to the core and integrated our test suite, the first of its kind, in the hope of seeing even more Open Source contribution.

Selected improvements:

  • Supported XEPs are now documented on https://github.com/esl/MongooseIM
  • Substantial refactoring: authentication mechanism, c2s, simplified MAM
  • Erlang/OTP 18 support
  • Better RFC & XEP conformance

We encourage everybody to review the release notes on GitHub.

Coming up next

MongooseIM 1.6 will continue to bring many benefits such as: extensive and powerful business metrics, flexibility for DevOps, a rock-solid code base and stability for server and backend developers, more conformance for client developers, and extensive testing for all.

1.6.x maintenance series

We will be working on a maintenance version, 1.6.1 (and perhaps a 1.6.2 later), with more complete Riak support, and of course the usual bug fixes, optimisations, and general improvements.

1.7 and subsequent releases

The development cycle for version 1.7 has already begun! We will focus on cloud, mobile, and testing. That is all we can share for now, but feel free to tell us what you think. We will also put more effort and commitment into making release schedules more predictable - in fact we already are.

Invitations

Be the first to get informed!

We have set up a new public mailing-list for all announcements of major events happening on the MongooseIM front. Expect one or two emails per month, the archives are free and open. We highly encourage you to subscribe here: https://groups.google.com/d/forum/mongooseim-announce

Click on the blue button "Join group":

MongooseIM mailing list

Then click in "Email delivery preference" on "Notify me for every new message":

How to join MongooseIM mailing list

Contribute...

We received some very valuable contributions over the last months, and we would like to thank all of the developers who took part in the delivery of version 1.6: @rgrinberg, @vooolll, @syhpoon, @mweibel, @Stelminator, @larshesel, @ruanpienaar,@aszlig, @jonathanve, @gmodarelli.

We hope to see everyone contributing again in the coming months - you have all the power to closely participate in this fully open source project.

Influence our roadmap!

We encourage you to comment below this blog post, tell us what you think about this release, and where we should go in the future. You can also give feedback on GitHub through “Issues” - we are keen on gathering common problems and goals to provide solutions.

We believe the best thing to do is fork the project, and make a pull requests when you are happy. We will discuss with you, and include that into a milestone, entering our fully automated testing process.

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