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Project Management Committee Documentation

This outlines the steps for a PMC member to create a new release. More details and policy guidelines can be found here: http://www.apache.org/dev/release-distribution

Release Procedure

  1. Generate code signing key if you do not already have one for Apache. Refer to http://apache.org/dev/openpgp.html#generate-key on how to generate a strong code signing key.
  2. Add your public key to the KEYS file at the root of the source code tree.
  3. Create a new release branch, with version bumped to the next release version.
    • git checkout -b release/0.13.0
    • Replace all 0.13.0-SNAPSHOT in the code tree to 0.13.0.
    • git commit -am "Prepare 0.13.0-rc1"
    • git tag -am "Apache PredictionIO 0.13.0-rc1" v0.13.0-rc1
  4. If you have not done so, use SVN to checkout https://dist.apache.org/repos/dist/dev/predictionio. This is the area for staging release candidates for voting.
    • svn co https://dist.apache.org/repos/dist/dev/predictionio
  5. Package a clean tarball for staging a release candidate.
    • git archive --format tar v0.13.0-rc1 > ../apache-predictionio-0.13.0-rc1.tar
    • cd ..; gzip apache-predictionio-0.13.0-rc1.tar
  6. Generate detached signature for the release candidate. (http://apache.org/dev/release-signing.html#openpgp-ascii-detach-sig)
    • gpg --armor --output apache-predictionio-0.13.0-rc1.tar.gz.asc --detach-sig apache-predictionio-0.13.0-rc1.tar.gz
  7. Generate SHA512 checksums for the release candidate.
    • gpg --print-md SHA512 apache-predictionio-0.13.0-rc1.tar.gz > apache-predictionio-0.13.0-rc1.tar.gz.sha512
  8. Run ./make-distribution.sh and repeat steps 5 to 7 to create binary distribution release.
  9. Create a subdirectory at the SVN staging area. The area should have a KEYS file.
    • mkdir apache-predictionio-0.13.0-rc1
    • cp apache-predictionio-0.13.0-rc1.* apache-predictionio-0.13.0-rc1
  10. If you have updated the KEYS file, also copy that to the staging area.
  11. svn commit
  12. Set up credentials with Apache Nexus using the SBT Sonatype plugin. Put this in ~/.sbt/0.13/sonatype.sbt. You can generate username and password tokens from ASF's Nexus instance.
publishTo := {
    val nexus = "https://repository.apache.org/"
    if (isSnapshot.value)
      Some("snapshots" at nexus + "content/repositories/snapshots")
    else
      Some("releases" at nexus + "service/local/staging/deploy/maven2")
}

credentials += Credentials("Sonatype Nexus Repository Manager", "repository.apache.org", "username_token", "password_token")
  1. sbt/sbt +publishSigned +storage/publishSigned +dataElasticsearch/publishSigned then close the staged repository on Apache Nexus.
    • You may need to run sbt/sbt publishLocal first to avoid depedency errors.
  2. Wait for Travis to pass build on the release branch.
  3. Tag the release branch with a rc tag, e.g. 0.13.0-rc1.
  4. Send out email for voting on PredictionIO dev mailing list.
Subject: [VOTE] Apache PredictionIO 0.13.0 Release (RC1)

This is the vote for 0.13.0 of Apache PredictionIO.

The vote will run for at least 72 hours and will close on Apr 7th, 2017.

The release candidate artifacts can be downloaded here: https://dist.apache.org/repos/dist/dev/predictionio/0.13.0-rc1/

Test results of RC5 can be found here: https://travis-ci.org/apache/predictionio/builds/xxx

Maven artifacts are built from the release candidate artifacts above, and are provided as convenience for testing with engine templates. The Maven artifacts are provided at the Maven staging repo here: https://repository.apache.org/content/repositories/orgapachepredictionio-nnnn/

All JIRAs completed for this release are tagged with 'FixVersion = 0.13.0'. You can view them here: https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12320420&version=12337844

The artifacts have been signed with Key : YOUR_KEY_ID

Please vote accordingly:

[ ] +1, accept RC as the official 0.13.0 release
[ ] -1, do not accept RC as the official 0.13.0 release because...
  1. After the vote has been accepted, use SVN to checkout https://dist.apache.org/repos/dist/release/predictionio/. This is the area for staging actual releases.
  2. Repeat steps 5 to 7 to create the official release, and step 13 to publish it. Also, remove old releases from the ASF distribution mirrors.
  3. Document breaking changes in http://predictionio.apache.org/resources/upgrade/.
  4. Update RELEASE.md.
  5. Send out an email to the following mailing lists: announce, general, user, dev.
Subject: [ANNOUNCE] Apache PredictionIO 0.13.0 Release

The Apache PredictionIO team would like to announce the release of Apache
PredictionIO 0.13.0.

Release notes are here:
https://github.com/apache/predictionio/blob/release/0.13.0/RELEASE.md

Apache PredictionIO is an open source Machine Learning Server built on
top of state-of-the-art open source stack, that enables developers to
manage and deploy production-ready predictive services for various kinds
of machine learning tasks.

More details regarding Apache PredictionIO can be found here:
http://predictionio.apache.org/

The release artifacts can be downloaded here:
https://dist.apache.org/repos/dist/release/predictionio/0.13.0/

All JIRAs completed for this release are tagged with 'FixVersion =
0.13.0'; the JIRA release notes can be found here:
https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12320420&version=12337844

Thanks!
The Apache PredictionIO Team