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RELEASE.md

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Release Workflow

The release automation is designed to quickly release updates to liquibase extensions. This routinely happens when there is an update to liquibase core. There are unique automates automated steps when a pull requests is created by dependabot for a Bump liquibase-core from *.*.* to *.*.*, but these steps can also be taken manually for a patch or other manual release.

Triggers

Pull Request Opened

When all pull requests are opened the Unit Tests will run and they must pass before the PR can be merged. For a liquibase core bump PR, the application version in the POM will automatically be set to match the liquibase core version. If creating a manual PR for release, the <version>*.*.*</version> tag in the POM will need to be set to the correct version without the SNAPSHOT suffix in order to release to Sonatype Nexus. For example, <version>4.3.5.1/version> to release a patch version for the extension release for liquibase core 4.3.5.

Pull Request Labeled as Release Candidate

If the Extension Release Candidate :rocket: label is applied to the PR, this is the trigger for GitHub Actions to run the full Integration Test suite matrix on the pull requests because this commit will become the next release. For a liquibase core bump, this label will automatically be applied to the dependabot PR. If this is a manual release, manually applying the label will also start the release testing and subsequent automation.

Pull Request is Approved and Merged to Main

If a Pull Request is merged into main and is labeled as release candidate the following automation steps will be taken:

  • Signed artifact is built
  • A draft GitHub Release is created proper tagging, version name, and artifact
  • The application version in the POM is bumped to be the next SNAPSHOT version for development

Draft Release is Published

Once the GitHub release is published, the signed artifact is uploaded to Sonatype Nexus. The <autoReleaseAfterClose>true</autoReleaseAfterClose> option is defined in the POM, so for all releases without the SNAPSHOT suffix, they will automatically release after all the staging test have passed. If everything goes well, no further manual action is required.

Testing

The workflow separates Unit Test from Integration Tests and runs them at separate times, as mentioned above. In order to separate the tests, they must be in separate files. Put all Unit Tests into files that end with Test.java and Integration Test files should end with IT.java. For example the tests for the Liquibase Postgresql Extension now look like:

> src
    > test
        > java
            > liquibase.ext
                > copy
                    CopyChangeIT.java
                    CopyChangeTest.java
                > vacuum
                    VacuumChangeTest.java

Any tests that require a JDBC connection to a running database are integration tests and should be in the IT.java files.

Repository Configuration

The automation requires the below secrets and configuration in order to run.

BOT TOKEN

Github secret named: BOT_TOKEN

Github Actions bot cannot trigger events, so a liquibase robot user is needed to trigger automated events. An access token belonging to the liquibase robot user should be added to the repository secrets and named BOT_TOKEN.

GPG SECRET

Github secret named: GPG_SECRET

According to the advanced java setup docs for github actions the GPG key should be exported by: gpg --armor --export-secret-keys YOUR_ID. From the datical/build-maven:jdk-8 docker container, this can be export by the following:

$ docker run -it -u root docker.artifactory.datical.net/datical/build-maven:jdk-8 bash

$  gpg -k
/home/jenkins/.gnupg/pubring.kbx
--------------------------------
pub   rsa2048 2020-02-12 [SC] [expires: 2022-02-11]
      **** OBFUSCATED ID ****
uid           [ultimate] Liquibase <support@liquibase.org>
sub   rsa2048 2020-02-12 [E] [expires: 2022-02-11]

$ gpg --armor --export-secret-keys --pinentry-mode loopback **** OBFUSCATED ID ****
Enter passphrase: *** GPG PASSPHRASE ***
-----BEGIN PGP PRIVATE KEY BLOCK-----
******
******
=XCvo
-----END PGP PRIVATE KEY BLOCK-----

GPG PASSPHRASE

Github secret named: GPG_PASSPHRASE The passphrase is the same one used previously for the manual release and is documented elsewhere for the manual release process.

SONATYPE USERNAME

Github secret named: SONATYPE_USERNAME

The username or token for the sonatype account. Current managed and shared via lastpass for the Shared-DevOps group.

SONATYPE TOKEN

Github secret named: SONATYPE_TOKEN

The password or token for the sonatype account. Current managed and shared via lastpass for the Shared-DevOps group.

Label Settings

Create a label with the following settings:

  • Label name: Extension Release Candidate :rocket:
  • Description: Release Candidate for Extension
  • Color: #ff3d00

Useful Links