CI/CD Pipelines using GitHub Action specifically Java projects.

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August 9, 2022
Lights, Camera, Action
GitHub Actions
Presented by Carl Dea, Sr. Developer Advocate | Azul

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Lights, Camera, Action
GitHub Actions

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"Anonymous Hacker" by dustball is licensed under CC BY-NC 2.0.

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"190923-F-LI975-0399" by Of
fi
cial Travis AFB, Calif. is licensed under CC BY-NC 2.0.
"Virtual reality goggles are back" by Amy M.
Youngs is licensed under CC BY-NC-SA
2.0.

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Datacenter Work
by Leonardo Rizzi

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Manual SDLC/Methodologies Agile DevOps - CI/CD
Happy Programmer
by awcole72
191/365 Face Palm
by Will Hastings

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Carl Dea
@carldea
• A Sr. Developer Advocate at Azul Systems
• Developing software for 20+ years
• Authored & Tech Reviewed Java books
• A JavaFX (fanboy) enthusiast
• Chesapeake Java User Group
• Loves sharing and advocating Java-based
technologies
Other interests:
Graphics, UI, Game programming, GEO spatial
data & map visualizations, Custom UI controls,
IoT, Smartphones, AI, and Robotics and Boating.
Twitter: @carldea
GitHub: github.com/carldea
LinkedIn: www.linkedin.com/in/carldea
Email: carl.dea@gmail.com
JUG: www.meetup.com/chesapeakejug
About Me

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Build, Test, Release,
Deploy

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Dev - Ops

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CI/CD Pipeline
Code, Build, Test, Release, Deploy

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Question: Which automation tools do you use?
A. Jenkins
B. Travis
C. TeamCity
D. Bamboo

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FREE! GitHub has CI/CD services!
"Github smoothie" Acarlos1000 Gift
by asenat29

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Demo

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Update JVM w/ Zero Downtime
Boss: Is it Ready to Go!
Me: The app is currently on JDK v17.0.3
Boss: The patched release is in CPU JDK v17.0.4
Me: Okay, give me a few minutes… Done!
Boss: Nice JOB! Take the day off! You deserve it!

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Source Code
https://github.com/carldea/github-actions-demo

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Acme - Architecture
JVM
Application
Docker Container
Watch Tower
Docker Container
Runner: Linux
Application
JVM
- Build
- Test
- Deploy
2
3
Push to DockerHub
1
Check For Latest Release
Detect Change
Replace Container
4

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What is a GitHub
Workflow?

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GitHub a Workflow

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GitHub a Workflow
•push
•pull_request
•workflow_dispatch
Listens for Git Events
Run GitHub Actions
Runs On
•ubuntu-latest
•macOS-latest
•windows-latest

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Workflow Templates

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Lights, Camera, Action
GitHub Actions
GitHub Actions Marketplace

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GitHub Actions Marketplace

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GitHub a Workflow

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GitHub a Workflow

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GitHub Workflow
.github/workflows/my_workflow1.yml
•push
•pull_request
•workflow_dispatch
Common Events Used

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GitHub Workflow
Job named “build”

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GitHub Workflow
Runner on “ubuntu-latest”

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One Runner per Job
Will run job on an Ubuntu machine
"Runner in 2012 Oakland Marathon" by PZAO is licensed under CC BY-NC-ND 2.0.

29. "Runners at the start of the 2012 Borgess Half Marathon" by Simon A. Thalmann is licensed under CC BY 2.0.
Can you have multiple Runners?

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GitHub Workflow
runs-on: [ “ubuntu-latest” , “macOS-latest”, “windows-latest” ]

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Creating a Strategy
Lookup?

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GitHub Workflow
runs-on: ${{ matrix.os }}

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GitHub Workflow
steps:
- uses: actions/checkout@v3

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GitHub Workflow
steps:
- uses: actions/checkout@v3
Job
Runner
Steps
GitHub Actions

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Let’s Execute Steps:
Scripts & GitHub Actions

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GitHub Workflow
run: echo Hello world!

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GitHub Workflow
run: |

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39. GitHub Actions

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actions/setup-java@v1

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GitHub Workflow
uses: actions/setup-java@v1

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GitHub Workflow
uses: actions/setup-java@v1

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Benefits
uses: actions/setup-java@v1
•Supports all versions of the JDK since Java 6
•Supports early access releases
•Java-package can support jdk+fx or jre+fx
•All LTS releases are TCK tested

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actions/setup-java@v3

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GitHub Workflow
uses: actions/setup-java@v3

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uses: actions/setup-java@v3

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foojayio/setup-java@disco

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GitHub Workflow
uses: foojayio/setup-java@disco

49. • Mandrel
• Microsoft
• OJDKBuild
• OpenLogic
• Oracle (contains only links to download site)
• Oracle OpenJDK
• Red Hat (contains only links to download site)
• SAP Machine
• Semeru
• Semeru Certi
fi
ed
• Temurin
• Trava
• Zulu
• Zulu Prime
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DiscoAPI
uses: foojayio/setup-java@disco
At the moment the following distributions
are supported by the API:
• AdoptOpenJDK
• AdoptOpenJDK OpenJ9
• Bi Sheng
• Corretto
• Debian (contains only links to
download site)
• Dragonwell
• GraalVM CE (8, 11, 16)
• JetBrains
• Kona
• Liberica
• Liberica Native
•

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oracle-actions/setup-java@v1

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GitHub Workflow
uses: oracle-actions/setup-java@v1

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GitHub Workflow
uses: oracle-actions/setup-java@v1

53. uses: foojayio/setup-java@disco

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Manual SDLC Agile DevOps - CI/CD
Happy Programmer
by awcole72
191/365 Face Palm
by Will Hastings

55. Thank You.
Q/A
Twitter: @carldea
Blog: foojay.io
Github: https://github.com/carldea
Email: carl.dea@gmail.com
LinkedIn: https://www.linkedin.com/in/carldea
Q&A

56. References
Articles and links
• GitHub Actions: https://docs.github.com/en/actions/learn-github-actions/understanding-github-actions
• PreInstalled Tools: https://github.com/actions/virtual-environments/blob/main/images/macos/macos-12-
Readme.md
• GitHub-actions-demo - https://github.com/carldea/github-actions-demo
• HelloWorldGHActions - https://github.com/carldea/HelloWorldGHActions
• Part 1: https://foojay.io/today/github-actions-with-java-part-1/
• Part 2: https://foojay.io/today/github-actions-with-java-part-2/
• Part 3: https://foojay.io/today/lights-camera-action-github-actions-with-java-part-3/
• JDK security Updates by Simon Ritter: https://www.azul.com/resources-hub/java-security/the-importance-of-
java-security-updates
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