Backlog for Sprint 2012-01

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This page contains the backlog for the sprint due on June 30, 2012. It is updated weekly after the standup meeting. Most actions are tracked in Trac tickets.

Complete Quattor backlog is available here.

Progress with the sprint backlog is reviewed at a weekly standup meeting held by Vidyo every Thursday at 2:15 pm CET. Connection information is:

• Computer, smartphones: ​https://vidyoportal.cern.ch/flex.html?roomdirect.html&key=CYrQJpbB998N
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  • Phone bridge list: (CH) +41225330322, (US) +18665777460, London (UK) +442030510622, Prague (CZ) +420228880755, Madrid (SP) +34911233708, Tokyo (JP) +81345790501

Actions Completed

Actions in progress

Documentation

• Initial Aquilon documentation
  • Usage
  • Installation (appliance)
• Document for component developpers best practices regarding logging and expected default verbosity

Build tools

Configuration Modules

• ncm-network rewrite: validate initial rewrite (code review, deployment on a test system keeping in mind features not yet reimplemented)
• ncm-gip2 should use perl-CAF to execute commands rather than `$cmd`
• ncm-ncd : implement dependency alias names to enable transparent replacement of a component by another one (or implement metadependencies)
  • User story: be able to say that spma dependency is in fact provided by ncm-yum.
  • 3/5: new version made by Luis using the new build tools and use of PErl templates, may start to work on packager dependency in June

AII

Package Deployment

• SPMA replacement by YUM: from ​CERN experience: preliminary work and experiment

QWG

• Implement OS namespace improvement (Michel)
  • vendor/version-arch or vendor/version/arch for OS templates
• Update CAF/LC to last versions (Michel)
• Agree on Pan annotation tags
• KVM support outside StratusLab (Jérome)
  • Discuss with Cal what can be reused in configuration modules developped by StratusLab
• StratusLab templates: do a code review and ensure they allow to start a site from scratch (Guillaume)
  • Several sites (RAL, Strasbourg) reported problems with distributed templates
  • Tbd with StratusLab team
• On RHEL/SL 6, ensure that kernel option nokz=off is defined by default in Grub configuration (significant performance impact)
• Prepare a QWG release (Michel)

gLite support

• CE tags publishing: fix for lcg-tags --sc
• CE configuration: allow different list of VOs on different CEs sharing the same gridmapdir

Monitoring

• Gather the information on existing Quattor-related probes at sites (Christos)
• Merge Nagios and Icinga templates if possible

SCDB

• Use panc v9
• Prepare a SCDB release with new panc and new VOConfigTask

Aquilon

• Demonstrate it can be used on various virtualization platforms (VirtualBox, StratusLab)
• 12/4 James refreshed test setup @RAL

Web site

• Configure browsing of SF Git repositories on QWG Trac (Michel)
• New home page at GitHub
  • 3/5 : check status of GitHub page and decide next week when to go to production
• DNS domain quattor.org ownership transfer to LAL (Michel)
  • 23/3: initial agreement received from CERN (German)
  • 6/5: mail sent to CERN to implement the change

Miscellaneous

• Decide an action plan for implementing a more advanced change scheduling in Quattor: see discussion in Strasbourg and email discussion started by Gabor.
• Chair for next meetings
  • 10/5: Michel
  • 17/5 : Luis (ascension)
  • 24/5 : Ian

Actions Postponed

Currently, no action originally scheduled for this sprint have been moved back to the general backlog.