+1 Regards Felix
Karl Pauls schrieb: > Please vote on accepting Apache Ace for incubation at the Apache > Incubator. The full proposal is available at the end of this message > and as a wiki page at http://wiki.apache.org/incubator/AceProposal. We > ask the Incubator PMC to sponsor it, with Karl as the Champion, and > Carsten, Niclas and Bertrand volunteering to be mentors. > > Please cast your votes: > > [ ] +1, bring Ace into Incubator > [ ] +0, I don't care either way, > [ ] -1, do not bring Ace into Incubator, because... > > The vote is open for the next 72 hours and only votes from the > Incubator PMC are binding. > > - - - - - - - - - - > > Abstract > > Apache Ace is a software distribution framework based on OSGi that > allows you to manage and distribute artifacts, like e.g. software > components. > > > Proposal > > Apache Ace is a software distribution framework that allows you to > centrally manage and distribute software components, configuration > data and other artifacts to target systems. It is built using OSGi and > can be deployed in different topologies. The target systems are > usually also OSGi based, but don't have to be. > > > Background > > When assembling software out of reusable components, the task of > deploying software onto an ever increasing number of targets is not > trivial to solve. This becomes even harder when these targets require > different components based on who's using them. > > A key technology in the Java space for developing component based > applications is OSGi. The OSGi speciļ¬cation, which has been around > since 1999 and by now has matured into the de facto module system for > Java, allows you to write components that can interact through > services and that allows components to be updated individually, > without disturbing the rest of the components. > > Although the OSGi speciļ¬cation describes how software distribution > should be done, it does not actually prescribe any protocols or > implementations. Apache Ace implements a software distribution system > based on, but not limited to OSGi. It is setup so it can deal with > different target types, using different protocols. Also, it can handle > an extensible number of artifact types (bundles, configurations, > resources, ...). > > > Rationale > > When you start using OSGi to build reusable components, the task of > managing those components and their use in various applications > becomes non-trivial. Apache Ace allows you to group those components > and assign them to a managed set of targets. This allows you to > distribute updates and new components easily, while keeping a full > history of what was installed where during what period. It also helps > you setup an automated development, QA/testing, staging and production > environment. > > > Initial Goals > > The initial goals for Apache Ace are: > > * Donate the existing codebase and import it. > * Setup the incubation infrastructure (svn repository, build system, > website) so we can run continuous builds with automated tests and > publish all available documentation. > * Get people involved in advancing the code base in different > directions, integrating it with other projects at Apache. > * Prepare for an initial release that demonstrates the systems core > capabilities. > * Present the project to the community at ApacheCon 2009 US. > > > Current Status > > The current codebase is developed and tested in various > configurations. It was developed at luminis over the last couple of > years using Scrum, so we have internally demonstrated we can release > often and produce working code using a transparent process. > Documentation for the project is now available on an internal wiki, > which can be donated and converted to the Apache Ace website. We did > not yet use mailing lists as the primary colaborative process, as the > whole team met face to face on a daily basis. > > > Meritocracy > > Some of the core developers are already committers and PMC members at > Apache, so they understand what it means to have a process based on > meritocracy. > > > Community > > In the past, luminis has been talking to various interested users and > developers about Apache Ace, and we believe there is an interest in > this project. Feedback at ApacheCon EU 2009 and afterwards on the > Apache Felix mailing list confirmed that. The problem that is being > solved is one that many software developers run into, so it should > appeal to them. Our list of initial committers already includes people > from different backgrounds. > > > Core Developers > > The core development team is a mix of people that work for luminis and > have been involved in the project up til now and new committers, some > of which have previous experience at Apache. > > > Alignment > > The initial codebase makes use of Apache Felix as its core framework. > It also uses various other components of that project. As a project > that builds on components we are constantly looking out for existing > components that can accelerate our implementation and we want to > actively work with other projects to make that happen. For building > and testing we use Apache Ant and have developed a couple of > extensions that help managing OSGi projects. Finally, at least > informally a couple of projects at Apache have already expressed > interest in a system that can help them do software provisioning. > > > Known Risks > > Apache Ace uses Felix as its default OSGi implementation and some of > its developers are also part of the Felix community. We are open to > collaborate with other Apache projects, looking at candidates such as > Commons, Sling, JackRabbit that could help us in certain parts of our > infrastructure. > > An important reason for open sourcing this project at Apache is the > strong community, as well as the Apache license. This will attract > more users and developers so the project can be moved forward into new > directions that we would otherwise not have been possible. Judging > from the initial interest from some of the other projects at Apache, > we certainly see ways in which to collaborate and advance the project, > possibly in ways we would never have thought of. However, we have been > able to support and develop this product outside of Apache quite well, > so in no way are we trying to just dump the code there or merely > trying to generate publicity. > > > Initial Source > > Apache Ace has been in development within luminis since 2005. > > > Source and Intellectual Property Submission Plan > > The current codebase is owned by luminis, and will be donated together > with its documentation. We will get the paperwork out of the way as > soon as possible. There should already be a CCLA on file for luminis > and the people that are already involved with Apache obviously have > ICLAs on file. > > > External Dependencies > > There are quite a few open source libraries already used. The > libraries, their sources and licenses are listed here: > > Apache Felix, ASL: > * framework > * shell > * shell-tui > * obr > * http.jetty > * config admin > * event admin > * deployment admin > * dependency manager > * prefs > * upnp.basedriver > * org.osgi.foundation > * core > * compendium > * javax.servlet > > Apache Ant, ASL: > * ant.jar > * ant-contrib.jar > > Apache Velocity, ASL: > * velocity > > KXML2 ( http://kxml.sourceforge.net/kxml2/), BSD license: > * kxml2 (hmm, what was that issue we had with that in felix) > > Knopflerfish ( http://knopflerfish.org/), BSD style license: > * log_all.jar, useradmin_all.jar > > Luminis Open Source Server ( https://opensource.luminis.net/), BSD license: > * net.luminis.build.plugin.jar > > XStream ( http://xstream.codehaus.org/), BSD license: > * various xstream jars > > > Required Resources > > Mailing lists: > * ace-private > * ace-dev > * ace-commits > * ace-user (only after leaving the incubator) > > Subversion: > * https://svn.apache.org/repos/asf/incubator/ace > > Issue Tracking: > * JIRA: Apache Ace (ACE) > > Wiki: > * Confluence: Apache Ace (ACE) > > > Initial Committers > > These existing Apache committers have either worked on the initial > codebase (Christian, Karl and Marcel) or expressed an interest in > extending the project: > * Marcel Offermans > * Karl Pauls > * Christian van Spaandonk > * Clement Escoffier > * Felix Meschberger > * Carsten Ziegeler > > > Community Members > > The following people have already expressed their interest in actively > participating in this project: > * Bram de Kruijff > * Toni Menzel > * Alin Dreghiciu > * Dennis Geurts > > > Affiliations > > For the record, Marcel Offermans, Christian van Spaandonk and Dennis > Geurts work at luminis and might get paid to do certain work on Apache > Ace. > > > Sponsors > > We have approached both the champion and an initial list of mentors > that have agreed to mentor this project. > > Champion: > * Karl Pauls > > Mentors: > * Carsten Ziegeler > * Niclas Hedhman > * Bertrand Delacretaz > > Sponsor: > * Apache Incubator > > --------------------------------------------------------------------- > To unsubscribe, e-mail: general-unsubscr...@incubator.apache.org > For additional commands, e-mail: general-h...@incubator.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: general-unsubscr...@incubator.apache.org For additional commands, e-mail: general-h...@incubator.apache.org
