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GitHub Actions Workflows for Spring Projects

This project containers reusable GitHub Actions Workflows to build Spring projects with Gradle or Maven. The workflows are designed for specific tasks and can be reused individually or in combinations in the target projects.

To use these workflows in your project a set of organization secrets must be granted to the repository:

GH_ACTIONS_REPO_TOKEN
DEVELOCITY_ACCESS_KEY
JF_ARTIFACTORY_SPRING
ARTIFACTORY_USERNAME
ARTIFACTORY_PASSWORD
SPRING_RELEASE_CHAT_WEBHOOK_URL
OSSRH_S01_TOKEN_USERNAME
OSSRH_S01_TOKEN_PASSWORD
OSSRH_STAGING_PROFILE_NAME
GPG_PASSPHRASE
GPG_PRIVATE_KEY

The Develocity secret is optional: not used by Maven and Gradle project might not be enrolled for the service.
The SPRING_RELEASE_CHAT_WEBHOOK_URL secret is also optional: probably you don't want to notify Google Space about your release, or it is not available for GitHub organization. As well as OSSRH_* secret, since not all releases might go to Maven Central, e.g. private (commercial) repositories only.

The mentioned secrets must be passed explicitly since these reusable workflows might be in different GitHub org than target project.

The SNAPSHOT and Release workflows uses JFrog Artifactory plugin to publish artifacts into Artifactory.

Build SNAPSHOT and Pull Request Workflows

The spring-gradle-pull-request-build.yml and spring-maven-pull-request-build.yml are straight forward, single job reusable workflows. They perform Gradle check task and Maven verify goal, respectively. The caller workflow is as simple as follows.

Gradle Pull Request caller workflow:

name: Pull Request Build
on:
pull_request:
branches:
- main
jobs:
build-pull-request:
uses: artembilan/spring-github-workflows/.github/workflows/spring-gradle-pull-request-build.yml@main

Maven Pull Request caller workflow:

name: Pull Request Build
on:
pull_request:
branches:
- main
jobs:
build:
uses: artembilan/spring-github-workflows/.github/workflows/spring-maven-pull-request-build.yml@main

You can add more branches to react for pull request events.

The SNAPSHOT workflows (spring-artifactory-gradle-snapshot.yml and spring-artifactory-maven-snapshot.yml, respectively) are also that simple. They use JFrog Artifactory plugin to be able to publish artifacts into libs-snapshot-local (by default) repository. The Gradle workflow can be supplied with Gradle Enterprise secrets.

Gradle SNAPSHOT caller workflow:

name: CI SNAPSHOT
on:
workflow_dispatch:
push:
branches:
- main
jobs:
build-snapshot:
uses: artembilan/spring-github-workflows/.github/workflows/spring-artifactory-gradle-snapshot.yml@main
with:
gradleTasks: dist
secrets:
GRADLE_ENTERPRISE_CACHE_USER: ${{ secrets.GRADLE_ENTERPRISE_CACHE_USER }}
GRADLE_ENTERPRISE_CACHE_PASSWORD: ${{ secrets.GRADLE_ENTERPRISE_CACHE_PASSWORD }}
GRADLE_ENTERPRISE_SECRET_ACCESS_KEY: ${{ secrets.GRADLE_ENTERPRISE_SECRET_ACCESS_KEY }}
JF_ARTIFACTORY_SPRING: ${{ secrets.JF_ARTIFACTORY_SPRING }}

Maven SNAPSHOT caller workflow:

name: CI SNAPSHOT
on:
workflow_dispatch:
push:
branches:
- main
jobs:
build_snapshot:
uses: artembilan/spring-github-workflows/.github/workflows/spring-artifactory-maven-snapshot.yml@main
secrets:
JF_ARTIFACTORY_SPRING: ${{ secrets.JF_ARTIFACTORY_SPRING }}

Both Gradle and Maven SNAPSHOT build workflow requires ARTIFACTORY_USERNAME & ARTIFACTORY_PASSWORD secretes to authorise spring-io/artifactory-deploy-action. Optionally, all the artifacts can be signed if GPG_PASSPHRASE and GPG_PRIVATE_KEY secrets are provided.

Release Workflow

The spring-artifactory-gradle-release.yml (and therefore spring-artifactory-maven-release.yml) workflow is complex enough, has some branching jobs and makes some assumptions and expects particular conditions on your repository:

  • The versioning schema must follow these rules: 3-digit-dotted number for major, minor and patch parts, snapshot is suffixed with -SNAPSHOT, milestones are with -M{number} and -RC{number} suffix, the GA release is without any suffix. For example: 0.0.1-SNAPSHOT, 1.0.0-M1, 2.1.0-RC2, 3.3.3.
  • GitHub Milestone titles must be exact as the version to release number. For example: 1.0.0-M1, 2.1.0-RC2, 3.3.3.
  • GitHub Milestones must be scheduled: have a Due on date set. Otherwise, release workflow will be cancelled with a warning that nothing to release for respective SNAPSHOT in a branch.

The logic of this release workflow:

  • Take a SNAPSHOT version from a dispatched branch (Maven help:evaluate -Dexpression="project.version" and Gradle gradle properties | grep "^version:", respectively). The composite internal extract-release-version action is implemented for this goal
  • List GitHub milestones matching the candidate version and select the closest one by due on date
  • Cancel workflow if no scheduled Milestone
  • Call Maven or Gradle (according to the workflow choice for the project in the repository) with the release version extracted from the previous job. This job stages released artifacts using JFrog Artifactory plugin into libs-staging-local repository on Spring Artifactory and commits Next development version to the branch we are releasing against
  • The next job is to verify staged artifacts
  • When verification is successful, next job promotes release from staging either to libs-milestone-local or libs-release-local (by default) (and optional to Maven Central: if OSSRH_STAGING_PROFILE_NAME secret is provided) according to the releasing version schema
  • Then spring-finalize-release.yml job is executed, which generates release notes using Spring Changelog Generator excluding repository admins from Contributors section. The gh release create command is performed on a tag for just released version. And in the end the milestone is closed and specific Google Space is notified about release (if SPRING_RELEASE_CHAT_WEBHOOK_URL secret is present in the repository).

Example of Release caller workflow:

name: Release
on:
workflow_dispatch:
run-name: Release current version for branch ${{ github.ref_name }}
jobs:
release:
uses: artembilan/spring-github-workflows/.github/workflows/spring-artifactory-release.yml@main
with:
buildToolArgs: dist
secrets:
GH_ACTIONS_REPO_TOKEN: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}
GRADLE_ENTERPRISE_CACHE_USER: ${{ secrets.GRADLE_ENTERPRISE_CACHE_USER }}
GRADLE_ENTERPRISE_CACHE_PASSWORD: ${{ secrets.GRADLE_ENTERPRISE_CACHE_PASSWORD }}
GRADLE_ENTERPRISE_SECRET_ACCESS_KEY: ${{ secrets.GRADLE_ENTERPRISE_SECRET_ACCESS_KEY }}
JF_ARTIFACTORY_SPRING: ${{ secrets.JF_ARTIFACTORY_SPRING }}
SPRING_RELEASE_SLACK_WEBHOOK_URL: ${{ secrets.SPRING_RELEASE_SLACK_WEBHOOK_URL }}
OSSRH_URL: ${{ secrets.OSSRH_URL }}
OSSRH_S01_TOKEN_USERNAME: ${{ secrets.OSSRH_S01_TOKEN_USERNAME }}
OSSRH_S01_TOKEN_PASSWORD: ${{ secrets.OSSRH_S01_TOKEN_PASSWORD }}
OSSRH_STAGING_PROFILE_NAME: ${{ secrets.OSSRH_STAGING_PROFILE_NAME }}
GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}

Such a workflow must be on every branch which is supposed to be released via GitHub actions.

The buildToolArgs parameter for this job means extra build tool arguments. For example, the mentioned dist value is a Gradle task in the project. Can be any Maven goal or other command line arguments.

The signing released artifacts is done by the spring-io/artifactory-deploy-action if GPG_PASSPHRASE and GPG_PRIVATE_KEY secrets are provided. In the end all the artifacts, together with their signatures, are uploaded to the Artifactory according to the respective workflow inputs.

In the end you just need to go to the Actions tab on your project, press Run workflow on your release workflow and choose a branch from drop-down list to release currently scheduled Milestone against. Such a release workflow can also be scheduled (cron, fo example) against branches matrix.

Scheduler workflow example:

name: Release Scheduler
on:
schedule:
- cron: '15 15 * * MON' # Every Monday at 3:15pm UTC
jobs:
dispatch_scheduled_releases:
strategy:
matrix:
# List of active maintenance branches.
branch: [ main, 6.1.x, 6.0.x, 5.8.x ]
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v3
- name: Dispatch
env:
GITHUB_TOKEN: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}
run: gh workflow run release.yml -r ${{ matrix.branch }}

Warning The spring-artifactory-gradle-release.yml (and spring-artifactory-maven-release.yml) already uses 3 of 4 levels of nested reusable workflows. Where the caller workflow is the last one. Therefore don't try to reuse your caller workflow.

Verify Staged Artifacts

The verify-staged job expects an optional verifyStagedWorkflow input (the verify-staged-artifacts.yml, by default) workflow supplied from the target project. For example, Spring Integration for AWS uses jfrog rt download command to verify that released spring-integration-aws-${{ inputs.releaseVersion }}.jar is valid. Other projects may check out their samples repository and setup release version to perform smoke tests against just staged artifacts.

Verify staged workflow sample:

name: Verify Staged Artifacts
on:
workflow_dispatch:
inputs:
releaseVersion:
description: 'Release version like 3.0.0-M1, 3.1.0-RC1, 3.2.0 etc.'
required: true
type: string
jobs:
verify-staged-with-jfrog:
runs-on: ubuntu-latest
steps:
- uses: jfrog/setup-jfrog-cli@v3
env:
JF_ENV_SPRING: ${{ secrets.JF_ARTIFACTORY_SPRING }}
- name: Download Artifact from Staging Repo
run: |
fileToDownload=org/springframework/integration/spring-integration-aws/${{ inputs.releaseVersion }}/spring-integration-aws-${{ inputs.releaseVersion }}.jar
jfrog rt download libs-staging-local/$fileToDownload
if [ ! -f $fileToDownload ]
then
echo "::error title=No staged artifact::No spring-integration-aws-${{ inputs.releaseVersion }}.jar in staging repository"
exit 1
fi

Backport GitHub Issue Workflow

The spring-backport-issue.yml uses Spring Backport Bot to create a back-port issue according to the event configured in a caller workflow. See its documentation for labeling convention and respective GitHub events for calling this workflow.

Backport Issue caller workflow example:

name: Backport Issue
on:
issues:
types: [labeled]
pull_request:
types: [labeled]
push:
branches:
- '*.x'
jobs:
backport-issue:
uses: artembilan/spring-github-workflows/.github/workflows/spring-backport-issue.yml@main
secrets:
GH_ACTIONS_REPO_TOKEN: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}

Dependabot Support

If Dependabot is enabled for repository, its config should set a label compatible with Spring Changelog Generator. Typically, it is type: dependency-upgrade. It is also a good practice to group all the development dependencies into a single pull request from Dependabot. This includes all the Gradle and Maven plugins and those dependencies which are used only for testing in the project. This projects provides a spring-merge-dependabot-pr.yml reusable workflow to make modifications to the Dependabot pull requests. However, there are some prerequisites to use this workflow in your project:

  • Pull requests must be protected by some check to pass, usually a workflow to build the project with this pull request changes;
  • The auto-merge must be enabled in the repository (if --auto is used);

The spring-merge-dependabot-pr workflow does these modifications to the Dependabot pull requests:

  • Modify label from dependency-upgrade to the task for the development dependencies group update to skip them from release notes by Spring Changelog Generator;
  • Adds a currently scheduled milestone to the pull request against a snapshot version extracted from the target branch;
  • And if milestone is scheduled, the pull request is queued for auto-merging after required checks have passed;
  • If autoMergeSnapshots input is set to true, the upgrade from Milestone/Release Candidate dependency to its SNAPSHOT is going to be merged automatically without assigning a milestone to the PR.

The mergeArguments input of this workflow is applied to the gh pr merge command.

Dependabot merge pull request workflow example:

name: Merge Dependabot PR
on:
pull_request:
branches:
- main
run-name: Merge Dependabot PR ${{ github.ref_name }}
jobs:
merge-dependabot-pr:
permissions: write-all
uses: artembilan/spring-github-workflows/.github/workflows/spring-merge-dependabot-pr.yml@main

Automatic cherry-pick workflow

The spring-cherry-pick.yml workflow offers a logic to cherry-pick pushed commit to branches suggested by the specific sentence in commit message. For example Auto-cherry-pick to 6.2.x & 6.1.x. The Auto-cherry-pick token is a default value for the autoCherryPickToken input of this workflow. The branches to cherry-pick to are extracted from the matching sentence. The "Auto-cherry-pick" sentence is remove from the target commit message. The -x option of git cherry-pick command adds a link back to the original commit.

Announce Milestone Planning in Chat

The spring-announce-milestone-planning.yml workflow offers an automatic chat message publishing when due_on on the repository milestone is changed. The callers workflow must be configured like this:

name: Announce Milestone Planning in Chat

on:
  milestone:
    types: [ created, edited ]

jobs:
  announce-milestone-planning:
    uses: spring-io/spring-github-workflows/.github/workflows/spring-announce-milestone-planning.yml@main
    secrets:
      SPRING_RELEASE_CHAT_WEBHOOK_URL: ${{ secrets.SPRING_RELEASE_GCHAT_WEBHOOK_URL }}

The workflow reacts to non-empty due_on property of the event's milestone payload and check if this property really was changed on milestone edit.

"Dispatch Workflow and Wait" Action

The spring-dispatch-workflow-and-wait action implements the logic to call gh workflow run for the provided workflow file and wait until it is complete, successful or not. This action is used in the verify-staged job of the release workflow.

Gradle Init Scripts

The [deployment-repository-init.gradle](utils/deployment-repository-init.gradle) script adds a Maven repository for publishing artifacts into a local directory (/deployment-repository) via respective publishAllPublicationsToDeploymentRepository Gradle task. Then spring-io/artifactory-deploy-action picks up those artifacts for uploading to the Artifactory. The Maven build does that via deploy goal and respective -DaltDeploymentRepository=local::file:deployment-repository CLI option.

See more information in the Reusing Workflows.