[jira] [Created] (BIGTOP-2025) Make BOM to be a directional graph

["Konstantin Boudnik (JIRA)" <ji...@apache.org>]

Konstantin Boudnik created BIGTOP-2025:
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             Summary: Make BOM to be a directional graph
                 Key: BIGTOP-2025
                 URL: https://issues.apache.org/jira/browse/BIGTOP-2025
             Project: Bigtop
          Issue Type: Sub-task
          Components: build
    Affects Versions: 1.0.0
            Reporter: Konstantin Boudnik
             Fix For: 1.1.0


It might be a good idea to be able to set up a dependencies between the components, so the build system is aware which parts should be build first, and the sequentially or in parallel.

With new configuration DSL introduced in BIGTOP-1494 we can have a directional graph like this
{code}
    'hadoop' {
      name    = 'hadoop'
      relNotes = 'Apache Hadoop'
      version { base = '2.6.0'; pkg = base; release =1 }
      tarball { destination = "${name}-${version.base}.tar.gz"
                source      = "${name}-${version.base}-src.tar.gz" }
      url     { site = "{apache.APACHE_MIRROR}/${download_path}"
                archive = "{apache.APACHE_ARCHIVE}/${download_path}"
                download_path = "/hadoop/common/$name-${version.base}" }
      dependencies { 'zookeeper'}
    }
{code}
which will allow to collect all {{dependencies}} information cross components, build the graph and test it for loops. This information can be used by the build system to order the build process: if {{hadoop-deb}} is invoked it will automatically tries to build {{zookeeper}}; for {{hbase}} it will invoke {{hadoop}} build first, etc.




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