[jira] [Resolved] (SLING-2203) Allow for better configuration of sling home folder

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

     [ https://issues.apache.org/jira/browse/SLING-2203?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Carsten Ziegeler resolved SLING-2203.
-------------------------------------

    Resolution: Fixed

Implemented as explained above in revision 1209095
                
> Allow for better configuration of sling home folder
> ---------------------------------------------------
>
>                 Key: SLING-2203
>                 URL: https://issues.apache.org/jira/browse/SLING-2203
>             Project: Sling
>          Issue Type: Improvement
>          Components: Launchpad
>    Affects Versions: Launchpad Base 2.3.0
>            Reporter: Felix Meschberger
>            Assignee: Carsten Ziegeler
>             Fix For: Launchpad Base 2.4.0
>
>
> Currently a few files and folders in the ${sling.home} folder can be more freely located than others:
>   * The org.apache.sling.launchpad.base.jar file is expected inside ${sling.home}, hardcoded
>   * The sling.properties file is expected inside ${sling.home}, hardcoded
>   * The start folder containing initial bundles to install is expected inside ${sling.home}, hardcoded
>   * The Felix framework cache location is configured by the org.osgi.framework.storage property
>   * The location of Configuration Admin configuration is configured by the felix.cm.dir property
>   * The location for File Installer (of the OSGi Install facility) is configured by the sling.installer.dir property
> To have more flexibility, two new properties should be added:
> * sling.properties (default: ${sling.home}/sling.properties) -- Provides the path and name of the sling.properties file contains the configurable properties used for starting Sling and then becoming Framework properties accessible with the BundleContext.getProperty(String) method. This property itself is also available as a Framework property and will be set to the default value by the Sling Launcher if not already set. The property must not contain a reference to another property but if it is not an absolute path, it is resolved against ${sling.home}.
> * sling.launchpad (default: ${sling.home}) Defines the location of Sling Launchpad related files and folders. At the moment this is the location of the org.apache.sling.launchpad.base.jar library which provides the OSGi Framework and the startup folder which takes bundles to install on framework startup. The property must not contain a reference to another property but if it is not an absolute path, it is resolved against ${sling.home}.
> The defaults are defined such, that they account for backwards compatibility.
> From a little code inspection, probably the following areas have to be updated:
>   * The Sling class must ensure the property values
>   * The Sling class (loadConfigProperties method) must be modified to read the sling.properties file from the location indicated by the ${sling.properties} property
>   * The Launcher class must be modified to look for and place the launcher jar in the ${sling.launchpad} folder (instead of ${sling.home})
>   * The BootstrapInstaller class must be modified to expect bundles in the ${sling.launchpad}/startup folder

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