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https://issues.apache.org/jira/browse/HDDS-1115?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HDDS-1115:
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Labels: pull-request-available (was: )
> Provide ozone specific top-level pom.xml
> ----------------------------------------
>
> Key: HDDS-1115
> URL: https://issues.apache.org/jira/browse/HDDS-1115
> Project: Hadoop Distributed Data Store
> Issue Type: Improvement
> Components: build
> Reporter: Elek, Marton
> Assignee: Elek, Marton
> Priority: Major
> Labels: pull-request-available
>
> Ozone build process doesn't require the pom.xml in the top level hadoop
> directory as we use hadoop 3.2 artifacts as parents of hadoop-ozone and
> hadoop-hdds. The ./pom.xml is used only to include the
> hadoop-ozone/hadoop-hdds projects in the maven reactor.
> From command line, it's easy to build only the ozone artifacts:
> {code}
> mvn clean install -Phdds -am -pl :hadoop-ozone-dist
> -Danimal.sniffer.skip=true -Denforcer.skip=true
> {code}
> Where: '-pl' defines the build of the hadoop-ozone-dist project
> and '-am' defines to build all of the dependencies from the source tree
> (hadoop-ozone-common, hadoop-hdds-common, etc.)
> But this filtering is available only from the command line.
> With providing a lightweight pom.ozone.xml we can achieve the same:
> * We can open only hdds/ozone projects in the IDE/intellij. It makes the
> development faster as IDE doesn't need to reindex all the sources all the
> time + it's easy to execute checkstyle/findbugs plugins of the intellij to
> the whole project.
> * Longer term we should create an ozone specific source artifact (currently
> the source artifact for hadoop and ozone releases are the same) which also
> requires a simplified pom.
> In this patch I also added the .mvn directory to the .gitignore file.
> With
> {code}
> mkdir -p .mvn && echo "-f ozone.pom.xml" > .mvn/maven.config" you can persist
> the usage of the ozone.pom.xml for all the subsequent builds (in the same dir)
> How to test?
> Just do a 'mvn -f ozonze.pom.xml clean install -DskipTests'
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