Tag Archives: CentOS

Hadoop Crowbar released to open source! (plus AN HOUR of videos!)

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I’m proud to announce that my team at Dell has open sourced our Apache Hadoop barclamps!  This release follows our Dell | Cloudera Hadoop Solution open source commitment from Hadoop World earlier this month.

As part of this release, we’ve created nearly AN HOUR of video content showing the Hadoop Barclamps in action, installing Crowbar (on CentOS), building Crowbar ISOs in the cloud and specialized developer focused builds.

If you want to talk to the Crowbar team.  We’re attending events in Boston 11/29, Seattle 11/30, and Austin 12/8.

Here are links to the videos:

More Hadoop perspectives from Dell:  Joseph George on what it means and  Barton George‘s backgrounder about barclamps.

Crowbar community support and 111111 sprint plan

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The Dell Crowbar team is working to improve road map transparency. In the last few weeks, the Crowbar community has become more active on our lists, testing builds, and helping with documentation.

We love the engagement and continue to make supporting the list a priority.

Participation in Crowbar, OpenStack and Hadoop has been exceeding our expectations and we’re working to implement more community support and process. Thank you!!!

Our next steps:

  1. I’ve committed to post sprint plans and summary pages (this is the first)
  2. New Crowbar Twitter account
  3. I’m going to setup feature voting on the Crowbar Facebook page (like to vote)
  4. Continue to work the listserv and videos. We need help converting those to documentation on the crowbar wiki.
  5. Formalize collaborator agreements – we’re working with legal on this
  6. Exploring the option of a barclamp certification program and Crowbar support
  7. Moving to a gated trunk model for internal commits to improve quality
  8. Implementing a continuous integration system that includes core and barclamps. This will be part of our open source components.

We are working towards the 1.2 release (Beta 1) . That release is focused on supporting OpenStack but includes enhancements for upgrades, Hadoop, and additional OS support.

Our Sprint 111111 plan.

Source: Crowbar Wiki: [[sprint 111111]]

  • Theme: OpenStack Diablo Final release candidate.
  • Core Work: Refine Deployment for Nova, Glance, Nova Dashboard (horizon), keystone, swift
  • New additions: mySQL barclamp, Nova HA networking, kong
  • Crowbar internals: expose error states for proposals, allow packages to be included with barclamps to make upgrades easier, barclamp group pages
  • Operating system: added CentOS
  • Documentation: we’ve split the user guides into distinct books so Crowbar, OpenStack, and Hadoop each have their own user guide.
  • Pending action: expose the Hadoop barclamps
  • OS note: OpenStack is being tested (at Dell) against Ubuntu 10.10 only. Hadoop was tested against RHEL 5.7 and we expect it to work against CentOS also.

Crowbar build using Ubuntu 10.10 vm on Rackspace Cloud from Github Repo

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Our OpenStack team at Dell (especially Victor Lowthor) has been working hard with the public Crowbar repos to make it possible for the community to build their own version of a Crowbar ISO.   When you build the ISO, you’ll be downloading a whole bunch (that’s the technical term) of open source licensed components to make it work: we’re trying to maintain a list of licenses on the Github wiki.

To make sure that it was possible for mortals, I signed up for a Ubuntu 10.10 VM (512 Mb RAM, $0.03/hr) at RackSpace Cloud.  I did this from a non-Dell to ensure that it was as independent from our source as possible.

Once I had my vm, there were just a few steps to follow (these are NOT verbatim):

  • apt-get install debootstrap, mkisofs, git, build-essential packages
  • git clone git://github.com/dellcloudedge/crowbar.git
  • Got the results from a sledgehammer build (a fresh sledgehammer tarball) and extracted it into $HOME/.crowbar-build-cache/tftpboot, which is where build_crowbar.sh expects to find it cached.
    • NOTE: I’m not ready to document sledgehammer builds yet, but I will tell you that you’d need a CentOS VM.
  • In the crowbar directory, ran ./build_crowbar.sh
  • The build will pull down all the packages that you need and cache them to the VM.  Subsequent builds will be much faster!

The end result of the build is an “openstack-dev.iso” that will install Crowbar with the OpenStack barclamps (here’s how to do it on VMs).  Just for fun, I copied _my build_ output ISO off the build VM and to my web server.

Please let me know if you have problems with this process, we want people to try Crowbar!

$$ Note: Turn off your VM when you’re done so you don’t incur extra expenses.  Since this process only took about 2 hours, the whole build cost me less than a dime.  Which is good, since I was building it on “my own dime” anyway.