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Temporary certificate fix expires July 19, 2019 

Nexus2 releases migration notes


Ready to migrate? Things to consider and challenges faced with the currently migrated teams

  • The job we are migrating to can be found in global-jjb: 
  • These jobs are being designed to eventually automate the release process without LF intervention.
  • gerrit-maven-stage jobs incude a step to automatically sign the artifacts using SIGUL:
    • Currently, SIGUL only works in CentOS for which the teams will need to use these nodes for running their builds
    • If the team has a special dependency on Ubuntu, please inform LFRELENG before the migration so that we disable SIGUL signing for that project in particular. 
  • gerrit-maven-stage enforces depenendcies exclusively on released versions. Please do not use dependnecies on snapshot artifacts
  • Development MUST happen on a snapshot version of the artifact. Team daily development must be done on top of snapshots. 
    • Failing to do so will cause the jobs to fail since gerrit-maven-stage is designed to produce a new release candidate out of a snapshot version.
  • gerrit-maven-stage and gerrit-maven-docker-stage support versions plugin. The team can decide to use it or skip it to bump their versions.
  •  gerrit-maven-stage and gerrit-maven-docker-stage produce a patchset that is ready for the tech teams to use to commit their release candidate details. Please use it.

Changes needed to be done and stakeholders

TECHTEAM: Verify that the previous section's concerns listed above are not a concern to the tech team.

TECHTEAM: If the project's pom.xml has a dependency on Oparent, they need to migrate to version 2.0.0. For example: https://gerrit.onap.org/r/#/c/modeling/toscaparsers/+/88216/

TECHTEAM: Make sure there is no usage of nexus-staging-maven-plugin in pom.xml. For example: https://gerrit.onap.org/r/#/c/clamp/+/87812/

LFRELENG: Add the team's needed jobs from global-jjb. For example: https://gerrit.onap.org/r/#/c/ci-management/+/77825/

TECHTEAM + LFRELENG: Verify the new jobs are running fine and deploying the correct artifacts.

LFRELENG: Cleanup old un needed jobs. For example: https://gerrit.onap.org/r/#/c/ci-management/+/87495/

Testing the migration

  • The migration cannot be tested in the Sandbox unfortunatelly.
    • The Sandbox is specifically designed to block Nexus2 pushes and we will not be able to confirm if the artifacts were pushed correctly.
    • The migration changes depend on pom.xml file changes in the source code which cannot be tested unless these changes are merged.
  • Please notice that we can't keep both version-java-daily (and similar local templates) and gerrit-maven-stage (from global-jjb) running successfully at the same time.
    • The plugin in question  "nexus-staging-maven-plugin" only works for the old templates and, once we remove it's usage to be able to migrate, it will cause the old jobs to fail.


Triggering the stage release jobs

Please use the comment "stage-release" to trigger. 


Release process

The release process is still the same:
 - The PTL works towards their component development (I believe teams work on JAR artifact changes first and then Docker images)
- Once the PTL has a JAR artifact ready for releasing, they will trigger the gerrit-maven-stage job using the "stage-release" comment in Gerrit.
- The PTL will create a LF support jira ticket with the link of the gerrit-maven-stage job that produced their "autorelease" package (The same way they were already doing for release-java-daily jobs)
- LF will make a release in Nexus2
- PTL works towards their Docker images (which will use the previously released JARs for building)
- Once the PTL has a Docker images ready for releasing, they will trigger the gerrit-maven-docker-stage job using the "stage-release" comment in Gerrit.
- The PTL will create a LF support jira ticket with the link of the gerrit-maven-docker-stage job that produced their images (The same way they were already doing for docker-java-daily jobs)
- LF will make the release in Nexus3


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