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From conflue...@apache.org
Subject [CONF] Apache Mahout > How To Release
Date Wed, 01 Jun 2011 16:22:00 GMT
Space: Apache Mahout (https://cwiki.apache.org/confluence/display/MAHOUT)
Page: How To Release (https://cwiki.apache.org/confluence/display/MAHOUT/How+To+Release)


Edited by Sean Owen:
---------------------------------------------------------------------
*This page is prepared for Mahout committers. You need committer rights to create a new Mahout
release.*

h1. Release Planning

Start a discussion on mahout-dev about having a release, questions to bring up include:

 * Any [Unresolved JIRA issues for the upcoming release | https://issues.apache.org/jira/secure/IssueNavigator!executeAdvanced.jspa?jqlQuery=project+%3D+MAHOUT+AND+resolution+%3D+Unresolved+AND+fixVersion+%3D+%220.6%22&runQuery=true&clear=true]
 * Any [Resolved or Closed JIRA issues missing a "Fix Version" | https://issues.apache.org/jira/secure/IssueNavigator!executeAdvanced.jspa?jqlQuery=project+%3D+MAHOUT+AND+%28status+%3D+Resolved+OR+status+%3D+Closed%29+AND+fixVersion+IS+NULL+AND+resolution+%3D+Fixed&runQuery=true&clear=true]
that should be marked as fixed in this release?
 * Does any documentation need an update?
 * Who is going to be the "release engineer"?
 * What day should be targeted for the release ?  Leave buffer time for a code freeze and
release candidate testing; make sure at least a few people commit to having time to help test
the release candidates around the target date.


h1. Code Freeze

For 7-14 days prior to the release target date, have a "code freeze" where committers agree
to only commit things if they:
 * Are documentation improvements (including fixes to eliminate Javadoc warnings)
 * Are new test cases that improve test coverage
 * Are bug fixes found because of improved test coverage
 * Are new tests and bug fixes for new bugs encountered by manually testing

h1. Steps For Release Engineer

h2. Before building release
 # Check that all tests pass after a clean compile: mvn clean test
 # Check that there are no remaining unresolved Jira issues with the upcoming version number
listed as the "Fix" version
 # Publish any prev. unpublished Third Party Deps: [Thirdparty Dependencies]

h2. Making a release
 # Check if documentation needs an update
 # Update news in {{src/site/new_website/index.html}}
 # Commit these changes. It is important to do this prior to the build so that it is reflected
in the copy of the website included with the release for documentation purposes.
 # If this is your first release, add your key to the KEYS file. The KEYS file is located
in Subversion at https://svn.apache.org/repos/asf/mahout/trunk/distribution/KEYS and copy
it to the release directory. Make sure you commit your change.  See http://www.apache.org/dev/release-signing.html.
 # Ensure you have set up standard Apache committer settings in
 ~/.m2/settings.xml as per [this page|http://maven.apache.org/developers/committer-settings.html].
 # Add a profile to your ~/.m2/settings.xml in the <profiles> section with:
 {code}
  <profiles>
    <profile>
      <id>mahout_release</id>
      <properties>
        <gpg.keyname>YOUR PGP KEY NAME</gpg.keyname>
        <gpg.passphrase>YOUR SIGNING PASSCODE HERE</gpg.passphrase>
        <deploy.altRepository>mahout.releases::default::https://repository.apache.org/service/local/staging/deploy/maven2/</deploy.altRepository>
        <username>USERNAME</username>
        <deploy.url>https://repository.apache.org/service/local/staging/deploy/maven2/</deploy.url>
      </properties>
    </profile>
  </profiles>
{code}
 # Set environment variable MAVEN_OPTS to -Xmx1024m to ensure the tests can run
 # If you are outside the US, then svn.apache.org may not resolve to the main US-based Subversion
servers. (Compare the IP address you get for svn.apache.org with svn.us.apache.org to see
if they are different.) This will cause problems during the release since it will create a
revision and then immediately access, but, there is a replication lag of perhaps a minute
to the non-US servers. To temporarily force using the US-based server, edit your equivalent
of /etc/hosts and map the IP address of svn.us.apache.org to svn.apache.org.
 # Create the release candidate: {{mvn -Pmahout_release release:prepare release:perform}}.
If you have problems authenticating to svn.apache.org, try adding to the command line {{-Dusername=\[user\]
-Dpassword=\[password\]}}. If it screws up, do not clean or release:clean without first trying
to do: release:rollback.  This will likely save you time and do the right thing.  If it doesn't
work, then do clean and release:clean and also delete the tag from svn, if it was created.
You may also have to rollback the version numbers in the POM files
    # Review the artifacts, etc. on the Apache Repository (using Sonatype's Nexus application)
site: https://repository.apache.org/.
       You will need to login using your ASF SVN credentials and then browse to the staging
area.
    # Once you have reviewed the artifacts, you will need to "Close" out the staging area
under Nexus, which then makes the artifacts available for others to see.
       ## Log in to Nexus
       ## Click the Staging Repositories link in the left hand menu
       ## Click the Mahout staged one that was just uploaded by the release:perform target
       ## Click Close in the toolbar. See https://docs.sonatype.org/display/Repository/Closing+a+Staging+Repository
for a picture
       ## Copy the "Repository URL" link to your email; it should be like https://repository.apache.org/content/repositories/orgapachemahout-024/
    # Call a VOTE on dev@mahout.apache.org.  Votes require 3 days before passing.  See Apache
[release policy|http://www.apache.org/foundation/voting.html#ReleaseVotes] for more info.
    # If there's a problem, you need to unwind the release and start all over.
    {panel}
    mvn -Pmahout_release versions:set -DnewVersion=PREVIOUS_SNAPSHOT
    mvn -Pmahout_release versions:commit
    svn commit 
    svn rm https://svn.apache.org/repos/asf/mahout/tags/mahout-VERSION
    {panel}  
    # Release the artifact in the Nexus Repository in the same way you Closed it earlier.
    # Copy the assemblies and their supporting files (tar.gz, zip, tar.bz2, plus .asc, .md5,
.pom, .sha1 files) to the ASF mirrors at: people.apache.org:/www/www.apache.org/dist/mahout/0.x.
You should make sure the group "mahout" owns the files and that they are read only (-r--r--r--
in UNIX-speak). See [Guide To Distributing Existing Releases Through The ASF Mirrors|http://jakarta.apache.org/site/convert-to-mirror.html?Step-By-Step]
and the links that are there.
    # Wait 24 hours for release to propagate to mirrors.
    # Deploy new Mahout site at people.apache.org:/www/mahout.apache.org
    # Update Javadoc in {{people.apache.org:/www/mahout.apache.org/docs/api}}.
           NOTE: skip this for now, as this javadoc is currently updated automatically from
the nightly build
    # Clean up JIRA: Bulk close all X.Y JIRA issues.  Mark the Version number as being released
(see Manage Versions.)  Add the next version (X.Y+1) if necessary.
    # Send announcements to the user and developer lists.

See also:
 * http://maven.apache.org/developers/release/releasing.html
 * http://www.sonatype.com/books/nexus-book/reference/staging-sect-deployment.html
 * http://www.sonatype.com/books/nexus-book/reference/index.html

h2. Post Release
h3. Versioning
 * Create the next version in JIRA (if it doesn't already exist)   
 * Mark the version as "released" in JIRA (noting the release date)

h3. Documentation
 * Change wiki to match current best practices (remove/change deprecations, etc)

h3. Publicity
 * update freshmeat
 * !TheServerSide blurb
 * blog away
 * Update MLOSS entry: http://mloss.org/revision/view/387/.  See Grant for details.

h1. Related Resources

 * http://www.apache.org/dev/#releases
 * http://www.apache.org/dev/#mirror

h1. :TODO: Things To Cleanup in this document

*TODO*
 
 * more specifics about things to test before starting or after packaging (RAT, run scripts
against example, etc...)
 * include info about [Voting | http://www.apache.org/foundation/voting.html#ReleaseVotes]


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