On Tue, Feb 19, 2013 at 8:20 AM, Dileepa Jayakody <[email protected]> wrote:
> Hi All,
>
> I continued with the 1st option of updating the relative paths for
> source,destination in p2.inf of platform features in the new multi-profile
> target directory structure.
> Based on that I have done below changes to kernel in the scratch area;
>
> 1. carbon-p2-plugin [1]
> Updated the p2-director launcher arguments to support multiple-profile
> installations with a shared p2 area, in MaterialzeProductMojo and
> ProfileGenMojo
> -destination : targetPath/${profile}
> -shared : targetPath/p2
>
> targetPath is: $CARBON_HOME/repository/components
>
> 2. carbon.server [2]
> CarbonLauncher changes: At startup osgi-runtime arguments are passed
> according on the running profile
> osgi.install.area : repository/components/${profile}
> osgi.configuration.area : repository/components/${profile}/configuration
> eclipse.p2.data.area : repository/components/p2 (not changed as we are
> using a shared p2 area for all profiles)
>
> Main class change : if no profile is given as a startup parameter, carbon
> will start with the default profile : WSO2CarbonProfile
>
> 3. Product p2-profile-gen [3]
> Please see how a new Profile can be installed into the distribution in a
> product's p2-profile-gen.
> I have changed the carbon product p2-profile-gen [3] module, to install a
> new Profile : WSO2SampleProfile that has tryit, soaptracer features
> installed in addition to the carbon.runtime and carbon.core features.
>
> Below steps should be performed to install a new Profile in p2-profile-gen;
> 1. Publish the product configuration file (eg:carbon.product) with the
> initial runtime configurations.
> (A product configuration is required to materialize the minimal runtime
> before installing features)
> 2. Materialize the new Profile using above .product configuration file
> 3. Install features to the new profile
>
> Please find the carbon distribution at [4] which has WSO2CarbonProfile,
> WSO2SampleProfile pre-installed.
> You can start Carbon to load a profile by giving profile argument at
> startup (eg: ./wso2server.sh -Dprofile=WSO2SampleProfile)
>
> Feature installation in the multi-profile environment is not yet working
> as it only updates the relevant Profile but not the relevant bundles.infofile.
> The reason for this is that org.eclipse.equinox.p2.installFolder value
> gets hard-coded in the Profile during build time and p2 cannot locate the
> bundles.info file in the modified directory structure. Need to fix this.
>
Above issue was fixed by passing "-roaming" argument to the p2-director in
the carbon-p2-plugin.
With -roaming enabled, org.eclipse.equinox.p2.installFolder value is
modified by the profile registry when the profile is loaded from disk.
Now when we install new features to a Profile they are maintained
separately under the repository/components/${Profile} directory.
Now the problem is with relative paths defined in features p2.inf files
(eg: org.eclipse.equinox.p2.touchpoint.natives.copy(source:*${installFolder}
*
/features/org.wso2.carbon.cassandra.dataaccess_${feature.version}/conf/cassandra-component.xml,target:
*${installFolder*}/../conf/etc/cassandra-component.xml,overwrite:true);).
In the new multi-profile target, the installFolder will point the
components/{Profile} directory and source and destination directory paths
given above will be invalid. Need to find a solution on how we can install
features both during build-time and runtime by correctly giving the
source,destination directory path to P2.
Thanks,
Dileepa
> The related jira : https://wso2.org/jira/browse/CARBON-14064
>
> Thanks,
> Dileepa
>
>
> [1] https://svn.wso2.org/repos/wso2/scratch/dileepa/carbon-p2-plugin
> [2]
> https://svn.wso2.org/repos/wso2/scratch/dileepa/kernel/trunk/core/org.wso2.carbon.server
> [3]
> https://svn.wso2.org/repos/wso2/scratch/dileepa/kernel/trunk/distribution/product/modules/p2-profile-gen/pom.xml
> [4]
> https://svn.wso2.org/repos/wso2/scratch/dileepa/wso2carbon-4.1.0-SNAPSHOT.zip
>
>
--
Dileepa Jayakody,
Software Engineer, WSO2 Inc.
Lean . Enterprise . Middleware
Mobile : +94777-857616
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