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Build Workshop 1/Report

< Build Workshop 1
Revision as of 16:37, 13 September 2006 by Overholt.redhat.com (Talk | contribs) (Action Items)

Draft
Report to the Planning Council from the Europa Build Workshop

Summary

Dates, attendees, summary of discussion topics, summary of recommendations to the Planning Council, i.e., that they should staff these four focii sufficiently to allow them to succeed in the Europa timeframe.

Eclipse Build Best Practices

What this is about. Why this is a good idea. What we intend that an effort in this area will accomplish. Explain how these are usually motherhood and apple pie type best practices, but that this effort is about specific recommendations at the level of detail that can be followed by engineers.

Action Items

Action items with dates and (where possible) individuals. For example:

  • September 25: (Paul, Susan, William) Post an initial list of the best practices from the workshop to the wiki; send an email to all committers and project leads asking them to submit their own best practices to the wiki
  • October 2: (Paul) Recommend to the Planning Council that they adopt practices X, Y, Z as requirements for Europa and M, N, P as 'should do' for Europa. Etc.
  • October 15: (William) Send another email to the same group encouraging more conversation
  • October 15: (Susan) ask EclipseCon 2007 to schedule a session around Build Best Practices.
  • ...etc...

RSS Feeds

What this is about (common reporting mechanism for all projects). Why this is a good idea. Explain all the details we know so far including links to other pages on the topic. Explain the discussions that have occured (reasons) and why certain decisions were taken (for example, that Bjorn claims that all builds should be included, but the group decided to recommend against that because...) Explain outstanding discussion points such as whether to include nightly builds, whether to include failed builds, how to represent builds whose status is unknown, how we plan to define the vocabulary, etc. Specification should include where the URLs for the RSS feeds, etc.

Action Items

Action items with dates and (where possible) individuals. For example:

  • September 15: (Nick) Improve the already good spec on the wiki/web to a highly detailed spec. Send email around to the Europa build engineers and project leads of the Europa leads asking them for feedback before October 15.
  • October 15: (Nick) Declare the specification to be "mostly" frozen. Not withstanding continued incremental improvement, this is the RSS spec that all the projects will implement.
  • November 15: (All Europa projects) Have implemented publishing RSS information for their build.

Buckminster/Maven Build Enablement for BIRT and ECF

What this is (Buckminster and Maven as a build technology). How Buckminster and Maven offered to help BIRT restructure their build. How ECF is the "small project" example. Why this is a good idea.

Action Items

Action items with dates and (where possible) individuals. For example:

  • September 20: Initial Milestone based on High Level Activities(Group)
    • Buckminster/Maven Integration Activity:
      • Committer Status (John)
      • Revise MavenComponentType/MavenReader to work with maven-artifact(-manager)/maven-project and m2 POMs
      • Add MavenActor (see AntActor) to fire off maven plugins/mojos from Buckminster.
      • Open a POM and map in Maven lifecycle to actions in Buckminster
      • Bi-directional synchronization between Maven POMs and Buckminster CSPEC instance
      • Supplying dialog-driven addition of maven plugins to the buckminster action mapping.
    • BIRT Build Project Conversion
      • Buckminster User Mailing List Membership (Sue to subscribe)
      • BIRT team to download/perform initial Buckminster evalution (Sue)
      • Plugin/TLP Build Scripts needs to be reviewed (Sue to send to Thomas)
    • ECF Build Project Conversion
      • CVS Access for Henrik (Pete)
      • ECF Build Conversion (Henrik)
      • Buckminster User Mailing List Membership (Sue to subscribe)

Feature Requirements for BIRT

  1. How do we handle versioning? Important to check timestamps in CVS and update versions accorgingly in plugins and features that refer to such plugins. Buckminster can resolve this by adding action that checks (ant-task already present) and modifies.
  2. Javadoc. Maven has good javadoc plugins that we will make use of.
  3. Some jar files that are found in p4 should be grabbed at the maven repo at ibiblio.org.
  4. We must be able to test components conditionally. For instance, if db2 is not installed, that test should not be enabled.
  5. Add site.xml creation.
  6. We have to provide the notification functionality somehow (build failures and test output sent as emails to developers).
  7. The build should be able to run anywhere.

NOTE Item #2 requires improvement of the Buckminster Maven plugin so that a Buckminster actions can call upon Maven plugins.

Common Build Infrastructure

Introduction

A common build infrastructure encompasses a build farm, a tool for build management, and a "dashboard"-esque tool for post-build investigation. This infrastructure can be used by both new projects to ease their startup pain and also by existing projects to standardize build procedures and to take away maintenance costs. We believe that an 80/20 rule can be applied here: we can easily meet the needs of 80% of the projects out there with a simple, common build setup. Functionality can be built up to satisfy the remaining projects with "special needs" (ie. native code). In an ideal world, all projects would make use of this infrastructure. In the real world, we realize that teams will continue to make use of their existing infrastructure. This common infrastructure will augment their facilities and act as a second build environment available for use.

Components

  1. Build farm
    1. Initially, this can be comprised of virtual machines much like the current vservers maintained by Denis.
    2. Longer term, this will grow to include architectures and operating systems used by projects with native code. This growth will be managed by the needs of projects and provided by the foundation.
  2. Build management tool
    1. EMFT currently has an exemplary tool for customizing and starting builds. Here is a screenshot: EMFTBuildPage2.jpg
  3. "Dashboard"-esque tool
    1. This tool would provide a common location for interested individuals (team members, external parties, interested projects, community members, etc.) to examine build results and provide a source of information for data mining and/or statistical analysis. The tool would provide a common view for each project so as to enable easy at-a-glance inspection. Common locations and look and feel for all the builds/downloads is good because it helps with community understanding and adoption.

Action Items

  • Set up a vserver for Buckminster/BIRT builds
  • Assist in migrating ECF to web UI for kicking builds & running tests on their vserver using EMFT as example
  • Explore Buckminster as wrapper for running EMF/EMFT builds
  • Explore creating a web UI for running Buckminster builds (PHP, XMLRPC?)

Communication Channels

For Europa, there needs to be at least one designated contact from each project available via phone, email, IM, etc. For critical periods (milestones and release candidates), the Europa build engineers should be on a common IRC channel or IMs or something.

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