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  • The process of cutting a release requires a number of tools to be locally installed (maven, jekyll, etc). Ubuntu users can install those tools via apt-get. However, it may be most convenient to use a EC2 instance based on the AMI ami-4c721b7c (available is US-West). This has all the necessary tools installed. Mac users are especially recommended to use a EC2 instance instead of attempting to install all the necessary tools. If you want to prepare your own EC2 instance, follow the steps given in the Miscellaneous section (see at the end of this document).
  • Consider using CPU-optimized instances, which may provide better bang for the buck.
  • Transfer your GPG keys from your home machine to the EC2 instance.

    Code Block
    languagebash
    # == On home machine ==
    gpg --list-keys  # Identify the KEY_ID of the key you generated
    gpg --output pubkey.gpg --export <KEY_ID>
    gpg --output ---export-secret-key <KEY_ID> | cat pubkey.gpg - | gpg --armor --output keys.asc --symmetric --cipher-algo AES256
    # Copy keys.asc to EC2 instance
     
    # == On EC2 machine ==
    gpg --no-use-agent --output - keys.asc | gpg --import
    rm keys.asc
  • Download appropriate version of Spark that has the right scripts related to the releases.

Creating Release Candidates

  • Make sure Maven is configured with your Apache username and password. Your Edit ~/.m2/settings.xml and specify your Apache user name and password. should have the following.

    Code Block
    languagexml
    <settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
                          http://maven.apache.org/xsd/settings-1.0.0.xsd">
    <servers>
    <server>
    <id>apache.snapshots.https</id>
    <username>APACHE_USERNAME</username>
    <password>PASSWORD</password>
    </server>
    <server>
    <id>apache.releases.https</id>
    <username>APACHE_USERNAME</username>
    <password>PASSWORD</password>
    </server>
    </servers>
    </settings>
  • Download appropriate version of Spark that has the right scripts related to the releases.

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  • The process of creating releases has been automated via this create release script
    • Configure the script by specifying the Apache username + password and the Apache GPG key passphrase. BE CAREFUL to not to accidentally check them in.
    • This script can be run in any directory.
  • Read and understand the script fully before you execute it. It will cut a Maven release, build binary releases and documentation, then copy the binary artifacts to a staging location on people.apache.org.
  • NOTE: You must use git 1.7.X for this or else you'll hit this horrible bug.
  • After script has completed, find the open staging repository Apache Nexus to which the artifacts were uploaded to. Close the staging repository. 

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