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Difference between revisions of "Kepler Project Plan"

(Build Server)
(Common Project Model)
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* Refinements and extensions to accommodate Corona, Buckminster, ALF, PDE, and other interested projects ''(NOTE: this depends on discussions with other projects to determine alignment, etc.)''
 
* Refinements and extensions to accommodate Corona, Buckminster, ALF, PDE, and other interested projects ''(NOTE: this depends on discussions with other projects to determine alignment, etc.)''
 
{{CommentBox|I think that Buckminster and Corona are not something that is "accomodated", but rather the technologies used to implement a large portion of Kepler. -- Henrik Lindberg}}
 
{{CommentBox|I think that Buckminster and Corona are not something that is "accomodated", but rather the technologies used to implement a large portion of Kepler. -- Henrik Lindberg}}
 +
{{CommentBox|The refinements to accommodate Corona and Buckminster must be done already in M1 since those technologies are central to what is done in Kepler. Again, PDE is just a domain specific model. Its covered by Buckminster. -- Thomas Hallgren}}
 
* Tracking of the origin for each model element ''(for eventual write-back purposes)''
 
* Tracking of the origin for each model element ''(for eventual write-back purposes)''
 
{{CommentBox|This should be in milestone 1. It must be there from the beginning. -- Henrik Lindberg}}
 
{{CommentBox|This should be in milestone 1. It must be there from the beginning. -- Henrik Lindberg}}

Revision as of 09:31, 12 December 2006

Proposed by: Jcasey.mergere.com 14:35, 8 December 2006 (EST)

Modified by: slewis at composent.com 14:55, 11 December 2006 (PST)

Kepler Project Proposal

Proposed Schedule

NOTE: Notation 'd' signifies the date of Kepler project approval with EMO, since this will keep us from having a code repository, etc. @EF.

NOTE: This proposed schedule is DRAFT and subject to change based upon input from other participants about related project plans and schedules

Proposed schedule for Kepler milestones.
Milestone Start Date Target Date Comments
#Milestone 1 d + 1 week d + 7 weeks 1-week delay anticipated to get CVS, other infrastructure setup @EF.
#Milestone 2 d + 9 weeks d + 15 weeks 1-week delay expected to review/fix process using lessons from first dev cycle.
#Milestone 3 d + 16 weeks d + 22 weeks
#Milestone 4 d + 23 weeks d + 29

Notes and Conventions

  • This project should be divided into a series of relatively short milestones, each of which will trigger a new release of the Kepler project once completed. Milestones should be achievable in six weeks, plus or minus one week.
  • Files formatted using the (new) native Kepler project model syntax as kmodel-extension files, since they are meant to catch project metadata that cannot be stored in the original metadata files for the project.

Kepler Integration Strategy

NOTE: The general strategy for implementing Kepler deliverables listed below will be integration of existing technologies from both Eclipse projects (e.g. Buckminster, PDE, ALF, Corona, EMFT, ECF, Phoenix, etc), and other open source community resources (e.g. Apache Maven, Bugzilla, Php, contributed new technologies, Continuum, Eclipse Wiki, etc). The desire is to leverage as much of existing efforts as possible, avoid reimplementation and rework, and cooperatively use all available expertise and technology for Community Lifecycle Mangagement (you heard it hear first :).

Here is a comment. Please feel free to insert your own comments inline below by reusing this markup. --Scott Lewis

<div id="Milestone 1"/>


Milestone 1

Headless Eclipse-Plugin and OSGi Builds

This is what Buckminster already does. I propose that Buckminster is used as is to provide this functionality. There is not need to create yet another abstraction layer for building - Buckminster is already this abstraction layer. If/when somethin is missing it is much faster to add it to Buckminster than to create something new. -- Henrik Lindberg
  • Build Eclipse plugin projects. Support building multiple plugins with both internal and external dependencies, multiple features, deployable zip files, and update sites for a small but representative set of existing Eclipse projects.
    • EXIT CRITERIA: BIRT, GEF, ECF projects (and others willing to participat) building deployable full-project plugins, features, zips, and update sites with existing technologies integrated-by-Kepler.

Common Project Model

  • Define extensible initial Kepler project model API
    • Define initial scope of project model: What to initially exclude?
    • Define target scope of project model (i.e. in Kepler 1.0 timeframe): What to eventually exclude?
  • Read (at least) the following native Eclipse project files using existing APIs, and construct a runtime model instance in memory
    • .project
    • .classpath
    • MANIFEST.MF
    • plugin.xml
    • feature.xml
Buckminster reads these and instantiates a model for them already. -- Henrik Lindberg
  • Define Kepler native file format and schema, for capturing augmented model information not captured by the original project metadata files
  • Support generating project metadata in one of many specific metadata formats, regardless of metadata origin
    • Mark each generated metadata file as GENERATED in a header comment, to warn users against modifying it
    • Mark original set of project metadata files as authoritative, plus kmodel-extras file
I think the following two requirements should be added to the first milestone. -- Henrik Lindberg
  • Tag all metadata with its origin to enable popping domain specific editors and other functionality.
  • Include support for Corona collaboration from the start; weaving in collaboration events late in the game is much harder.

Build Management

  • Initial Framework to orchestrate external builds from Kepler using native Kepler project model.
This is covered by Buckminster - although "to orchestrate" sounds like something elaborate like a distributed build. -- Henrik Lindberg

<div id="Milestone 2"/>


Milestone 2

Headless Eclipse-Plugin and OSGi Builds

  • Maven, Buckminster, PDE, and web site integration to automate/orchestrate the steps which are currently explicit or custom when performing headless plugin builds
Concerning Headless Eclipse-Plugin and OSGi builds. We already do this based on PDE (and the pde-build). Putting Maven, Buckminster and PDE alongside is wrong. Buckminster represents a generic build model and we already have great support for building PDE headless. Where does Maven come in? -- Thomas Hallgren
Build Server
  • Introduce build-server using Kepler-integrated technologies
Why introduce a "build-server" at this stage? All benefits from it, web-based interface etc. arrives in M3. -- Thomas Hallgren

Common Project Model

  • Refinements and extensions to accommodate Corona, Buckminster, ALF, PDE, and other interested projects (NOTE: this depends on discussions with other projects to determine alignment, etc.)
I think that Buckminster and Corona are not something that is "accomodated", but rather the technologies used to implement a large portion of Kepler. -- Henrik Lindberg
The refinements to accommodate Corona and Buckminster must be done already in M1 since those technologies are central to what is done in Kepler. Again, PDE is just a domain specific model. Its covered by Buckminster. -- Thomas Hallgren
  • Tracking of the origin for each model element (for eventual write-back purposes)
This should be in milestone 1. It must be there from the beginning. -- Henrik Lindberg
  • Selection of searchable artifact sources to be used for current project (using configured sources, above)
  • Search for project dependencies using artifact sources (see configuration, above)
This is within Buckminster's scope - although there is much that can be done; such as examining source code rather than meta data. A framework where language specific (Java, C, PHP, etc.) plugins can be added is perhaps the right way to go here. Scanning source in this way, is tricky to do "on the fly" and keep in sync - it depends on the underlying project model and what is persisted. Hence this is something that probably should be provided by each project (java, C, PHP) with help from Kepler. As en example, a refactoring of Java code would perhaps alter the dependencies. -- I could be missing the point here as I cant say I fully understood the proposed search functionality.
    • Use generic dialog provider base for common search elements.
    • Use extension point to augment search form elements.
  • Simple graphical editor for Kepler project model editing
    • Editor synchronization with .project/.classpath/plugin.xml/feature.xml files
Fine if this means using the existing editors. Anything beyond that should be done in cooperation with each project. -- Henrik Lindberg

Build Management

  • Support automating build targeting to specific platform versions (e.g. Eclipse 2.0, 3.0, 3.1, 3.3M3, current release, etc).
  • Builder bindings: Ability to execute "main build" for any integrated build tool whenever the Eclipse project is built in the IDE (via integration with existing Eclipse builder mechanisms as well as Kepler-defined extension points).
    • Consolidation of Europa Common Build Infrastructure Ant scripts inside a PDE-specific Kepler-Ant integration point. (NOTE: this requires help from those who know PDE/CBI more thoroughly)
      • Using Kepler, allow augmentation of standard PDE builds using these CBI scripts/scriptlets.
  • Accessory builds (using the build tool to execute a non-default build activity, such as generating javadocs)
    • Support for calling specific Maven lifecycle phases/goals
    • Support for calling specific Buckminster actions.
    • Support for calling specific Ant targets

Configuration (currently global-only, not per-project)

  • Model
    • Preferred external project metadata format
      • Eclipse .project/.classpath + kmodel-externals files
  • Searchable artifact sources
    • Ordering of these sources

<div id="Milestone 3"/>


Milestone 3

NOTE: This milestone will remain incomplete until we know more from the outcomes of previous milestones.

Headless Eclipse-Plugin and OSGi Builds

Build Server
  • Web-based interface for control of build server and build log output
  • Support for Add/Remove/Edit of project definitions on the build server
  • Support for Triggered builds that starts browser window to monitor build results using native build-server interface.

Build Management

  • Support graphical configuration helper-classes per plugin
    • Search for graphical editor helper-class for each plugin; use default XML-editor if not found.
  • Search for plugins
    • Add plugin repository (select from searchable artifact source list, filtered for entry with Maven capabilities)
  • Project-level integration for Problems/Errors view
    • Filtering by type of Kepler problem
  • User input/prompt dialog framework (to allow external build tool to prompt the user for information)

Configuration

  • Support per-project configuration of all existing Kepler options
  • Build Server
    • Global build-server list

<div id="Milestone 4"/>


Milestone 4

NOTE: This milestone will remain incomplete until we know more from the outcomes of previous milestones.

Headless Eclipse-Plugin and OSGi Builds

Build Server
  • Support for graphical management of build server
  • Replace build monitoring/results browser window with integrated notifications framework for remote events.
    • Track elapsed time
    • Track accumulated output
    • Support multiple monitor types
      • Polling monitor: Configurable polling period
      • Async monitor: monitor abstract event connection (can be JMS/socket/etc.)
    • Event/Process management interface for gaining access to server-side controls available for that process.

Configuration

  • Build Server
    • Per-project configuration of build server(s) to be used
      • Allow selection from global list
      • Allow one-off configuration of build server(s) for that project only

<div id="Milestone 5"/>


Milestone 5

NOTE: This milestone will remain incomplete until we know more from the outcomes of previous milestones.

Headless Eclipse-Plugin and OSGi Builds

Build Server
  • Support backing up/restoring build server configuration to/from file.
  • Tool Detection
    • Support abstract detection mechanism for use in various detection scenarios (below).
    • Support detection of build servers; add to the global build-server list
    • Support detection of remote dependency sources

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