Puppet Blog - Page 12

Posts in Product

Mapping the Puppet Forge

A long time ago (well, June of this year) the Puppet Forge was running without a leader. In my role as community manager, I saw the Forge as having this awesome potential to be the resource for user-generated content surrounding the Puppet community. I knew it was getting more attention, but that was mostly anecdotal. My next step was to find some data that could tell a good story.

Puppet Modules are often the first way people learn and start using Puppet. We’ve had our Puppet Forge for a while, but I didn’t feel like I knew a lot about it. When we were getting ready to interview Product Owners for the Puppet Forge and Modules, I decided I wanted to know more to help me prepare for the interview, and maybe give me some insight into usage patterns that I hadn’t thought about.

Like any geek, I love data. I knew we had all sorts of data in our module download logs, but we had not ever really taken the time to transform that data into awesome information. I started with simple awk/sed/grep to find basic information, like what modules were popular. This worked for a time, but then I wanted to know modules by name, find popular authors, and do things like ignore version number changes.

Module of the Week: maestrodev/maven – Maven repository artifact downloads

This week’s Module of the Week is a guest post from Carlos Sanchez from MaestroDev.

Purpose Manage Apache Maven installation and download artifacts from Maven repositories
Module maestrodev/maven
Puppet Version 2.7+
Platforms RHEL5, RHEL6

The maven module allows Puppet users to install and configure Apache Maven, the build and project management tool, as well as easily use dependencies from Maven repositories.

If you use Maven repositories to store the artifacts resulting from your development process, whether you use Maven, Ivy, Gradle or any other tool capable of pushing builds to Maven repositories, this module defines a new maven type that will let you deploy those artifacts into any Puppet managed server. For instance, you can deploy WAR files directly from your Maven repository by just using their groupId, artifactId and version, bridging development and provisioning without any extra steps or packaging like RPMs or debs.

The maven type allows you to easily provision servers during development by using SNAPSHOT versions—using the latest build for provisioning. Together with a CI tool, this enables you to always keep your development servers up to date.

Module of the Week: inkling/postgresql – PostgreSQL Management

EDIT 10/24/12: The inkling/postresql module is now owned by Puppet Labs, and has been moved to puppetlabs/postgresql. You can contribute to the module on GitHub here.

Purpose Manage PostgreSQL servers, databases, and users
Module Previously inkling/postgresql, now puppetlabs/postgresql
Puppet Version 2.7+ & PE 2.0+
Platforms Tested on RHEL5, RHEL6, Debian6, Ubuntu 10.04

PostgreSQL is a powerful, high-performance, free, open-source relational database server. It hasn’t always enjoyed quite as much popularity as its cousin, MySQL; MySQL is enormously popular, as evidenced by its inclusion in the ubiquitous LAMP (Linux-Apache-MySQL-PHP) web development stack. However, these days there seems to be some increasing momentum behind PostgreSQL in many circles. At Puppet Labs, we are starting to use it more heavily—in fact, it’s a prerequisite for our new PuppetDB product.

With that in mind, it seemed important for us to make sure that there was a Puppet module out that made PostgreSQL as easy to manage with Puppet as MySQL is. We searched around on the Puppet Forge to see if anyone had undertaken this yet, and found several useful Postgres modules—but it was important to us that the module API would be familiar to users of the puppetlabs/mysql module.

We were particularly impressed with the functionality offered by the inkling/puppet-postgresql module, developed by Kenn Knowles of Inkling Systems, so we reached out to Kenn to see if he’d be amenable to us helping to refactor the module to leverage his existing functionality with an API similar to the puppetlabs/msyql module. He was, so, we did!

So here’s why you should check out the new 0.2.0 release of the inkling/postgresql module:

Why Puppet has its own configuration language

I was O’Reilly’s Velocity conference back in June, giving a talk on hacking Puppet, and Puppet’s configuration language came up a lot. Most people love the language and find it the simplest way of expressing their configurations, but some are frustrated by how simple it is and wish they had a full Turing-complete language like Ruby for specification. I thought it would be worthwhile to discuss why Puppet has a custom language, and dive into some of the benefits and costs.

Module of the Week: pdxcat/amanda – Advanced Network Backup

The following is a guest post by Reid Vandewiele, a system administrator at the Portland State University Computer Action Team (PDX CAT). Reid, William Van Hevelingen, Spencer Krum and other CATs are big contributors to various modules on the Puppet Forge and also host a few of their own. They are active members of the Puppet community and can usually be found on IRC under the monikers marut, blkperl and nibalizer, respectively. Thanks guys for the awesome guest post!

Purpose Provides amanda server and client configuration
Module pdxcat/amanda
Puppet Version 2.7+
Platforms Debian, Solaris, FreeBSD, SuSE

The Advanced Maryland Automatic Network Disk Archiver, or Amanda for short, is a network backup solution in the same class as Bacula. Proponents tout its smart automatic planner, use of native tools to perform data dumps, ability to recover data from tape in the absence of the tool itself, and the available commercial support through Zmanda. A venerable bastion of free and open source software, Amanda has been around since 1991 and is still actively maintained with the most recent stable version having been released on February 12, 2012.

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