[jira] Closed: (SLING-922) Load modules on startup from an external directory

["Carsten Ziegeler (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SLING-922?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Carsten Ziegeler closed SLING-922.
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> Load modules on startup from an external directory
> --------------------------------------------------
>
>                 Key: SLING-922
>                 URL: https://issues.apache.org/jira/browse/SLING-922
>             Project: Sling
>          Issue Type: New Feature
>          Components: Launchpad
>            Reporter: Aaron Zeckoski
>            Assignee: Felix Meschberger
>             Fix For: Launchpad Base 2.1.0
>
>         Attachments: binary-test-resources.zip, SLING-922.patch, SLING922_fmeschbe.patch
>
>   Original Estimate: 72h
>  Remaining Estimate: 72h
>
> Need a way to install and start bundles automatically from an external directory (sling home) on startup. The ideas below are from the list.
> ----------
> > I would like to be able to setup sling to start with a bunch of
> > installed bundles when it first is started. It seems like there are a
> > couple way to do this that I have found but neither is ideal:
> > 1) Rebuild sling from source with the extra bundles in the launcher
> > pom (this seems to create a bunch of resources/# folders with bundles
> > in them)
> > 2) Configure all bundles in the sling.properties file (this requires
> > the bundles to be in an accessible obr)
> > http://incubator.apache.org/sling/site/provisioning-and-startup.html
> >
> > I would like to ideally do something in between like so:
> > Get a binary copy of the sling jar
> > Create a folder with sub-folders like /1 /10 /15
> > Put my bundles in the various subfolders
> > Configure sling.properties to point to the folder
> > Start sling and have all bundles in the sub-folders installed and started
> - Aaron Zeckoski
> ===============
> Currently, as you say in (1), the BootstrapInstaller of the Sling
> launchpad looks into its own resources enclosed in the JAR or WAR file
> for bundles to install on startup.
> How about extending this mechanism like this:
>  - Copy all bundles from enclosed resources to
>       ${sling.home}/startup. This gives something like
>       ${sling.home}/startup/0, /1, /10, /15, ...
>       Existing files are only replaced if the files
>       enclosed in the Sling launchpad jar/war file are
>       newer.
>  - Scan ${sling.home}/startup for bundles to install
>       in the same way as today the enclosed resources
>       are scanned directly.
> So you could place your bundles in that structure and get them installed
> at the requested start level (0 being "default bundle start level").
> A nice side effect of this is, that you can quickly see, which bundles
> have been installed at all.
> - Felix
> =================
> I like this, and agree that this should replace the current mechanism.
> How about adding a sling.properties option to completely ignore the
> bundles that come from the Sling jar/war file? Might make it easier to
> have precise control on what's installed.
> -Bertrand
> =================
> Maybe worth it to make this optional or controllable via a property in the sling properties.
> - Aaron Zeckoski

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