[jboss-jira] [JBoss JIRA] (WFLY-2427) Launcher API
Andre Dietisheim (JIRA)
jira-events at lists.jboss.org
Tue Nov 5 05:32:02 EST 2013
[ https://issues.jboss.org/browse/WFLY-2427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12850776#comment-12850776 ]
Andre Dietisheim commented on WFLY-2427:
----------------------------------------
I can offer my help to tackle this. Looks like a low hanging fruit to get into things. WDYT?
> Launcher API
> ------------
>
> Key: WFLY-2427
> URL: https://issues.jboss.org/browse/WFLY-2427
> Project: WildFly
> Issue Type: Feature Request
> Security Level: Public(Everyone can see)
> Components: Server
> Reporter: Brian Stansberry
>
> 1) The AS should have some sort of API for launching our processes so tools that want a process have a clear contract instead of having to guess at what's relevant in our ever-changing scripts.
> 2) We want the main class in our process launch to be what's invoked by java -jar jboss-modules.jar. We don't want java -jar jboss-as-launcher.jar which does some stuff and then calls org.jboss.modules.Main.
> 3) JBoss Modules itself shouldn't have a lot of the stuff in it that's relevant to an AS launcher API, because many of those things are not relevant to JBoss Modules in a generic sense.
> What we could do though is provide a launcher lib that isn't involved at all in our normal boot. Something that would only be used by tools that want to launch a separate, i.e. non-embedded, AS process.
> So, some sort of stable configuration API and then a simple
> java.lang.Process launch()
> Basically, a utility that does the ProcessBuilder stuff that everybody is doing themselves now.
> HOWEVER...
> Eclipse-based tools like JBDS use Eclipse APIs for launch and would not use the above launch() method.
> So, besides that launch method, look into adding some methods to give the necessary inputs to the Eclipse API be useful. So Eclipse-based tools don't ask it for the process but can still get a standard launch configuration.
> I'd only want to do that if those methods would return something generally understandable, but a String or List<String> for classpath, List<String>s for vm/program args, some representation that "-jar jboss-modules.jar" is the way to get the main class -- those all seem generic enough.
> Any "which VM" stuff is consider out of scope; choosing the VM is the responsibility of the tool. Options that are not universally supported across VMs and are those a function of VM choice, like whether to use -server, are also out of scope.
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