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| GitHub Actions is an automation feature provided by GitHub that allows | |
| developers to build, test, and deploy their software directly from their | |
| repositories. It enables the creation of custom workflows that can be | |
| triggered by various events, streamlining and enhancing the software | |
| development process. | |
| █▄▀ █▀▀ █▄█ █▀▀ █░░ █▀▀ █▀▄▀█ █▀▀ █▄░█ ▀█▀ █▀ | |
| █░█ ██▄ ░█░ ██▄ █▄▄ ██▄ █░▀░█ ██▄ █░▀█ ░█░ ▄█ | |
| 3 main key components of GitHub Actions are: Workflow, Job, | |
| Step, and all of them are attached to a repository | |
| ╔═════════════════════════════════════════════════════════════════════════════╗ | |
| ║ Code repository ║ A repository may have 1 or more | |
| ║ ║ workflows. | |
| ║ ┌────────────────────┐ ┌────────────────────┐ ┌────────────────────┐ ║ | |
| ║ │ Workflow 1 │ │ Workflow 2 │ │ Workflow 3 │ ║ The same, a workflow may have 1 or more | |
| ║ │ │ │ │ │ │ ║ jobs. A job may have 1 or more steps. | |
| ║ │ ┏━━━━━━━━━━━━━━━━┓ │ │ ┏━━━━━━━━━━━━━━━━┓ │ │ ┏━━━━━━━━━━━━━━━━┓ │ ║ | |
| ║ │ ┃ Job 1 ┃ │ │ ┃ Job 1 ┃ │ │ ┃ Job 1 ┃ │ ║ | |
| ║ │ ┃╭──────────────╮┃ │ │ ┃╭──────────────╮┃ │ │ ┃╭──────────────╮┃ │ ║ Unlike steps which are run in sequence, | |
| ║ │ ┃│ Step 1 │┃ │ │ ┃│ Step 1 │┃ │ │ ┃│ Step 1 │┃ │ ║ by default, jobs and workflows are | |
| ║ │ ┃╰──────────────╯┃ │ │ ┃╰──────────────╯┃ │ │ ┃╰──────────────╯┃ │ ║ independent | |
| ║ │ ┃╭──────────────╮┃ │ │ ┃╭──────────────╮┃ │ │ ┗━━━━━━━━━━━━━━━━┛ │ ║ | |
| ║ │ ┃│ Step 2 │┃ │ │ ┃│ Step 2 │┃ │ │ ┏━━━━━━━━━━━━━━━━┓ │ ║ | |
| ║ │ ┃╰──────────────╯┃ │ │ ┃╰──────────────╯┃ │ │ ┃ Job 2 ┃ │ ║ | |
| ║ │ ┗━━━━━━━━━━━━━━━━┛ │ │ ┃╭──────────────╮┃ │ │ ┃╭──────────────╮┃ │ ║ | |
| ║ │ ┏━━━━━━━━━━━━━━━━┓ │ │ ┃│ Step 3 │┃ │ │ ┃│ Step 1 │┃ │ ║ | |
| ║ │ ┃ Job 2 ┃ │ │ ┃╰──────────────╯┃ │ │ ┃╰──────────────╯┃ │ ║ | |
| ║ │ ┃╭──────────────╮┃ │ │ ┃╭──────────────╮┃ │ │ ┗━━━━━━━━━━━━━━━━┛ │ ║ | |
| ║ │ ┃│ Step 1 │┃ │ │ ┃│ Step 4 │┃ │ │ │ ║ | |
| ║ │ ┃╰──────────────╯┃ │ │ ┃╰──────────────╯┃ │ │ │ ║ | |
| ║ │ ┃╭──────────────╮┃ │ │ ┗━━━━━━━━━━━━━━━━┛ │ │ │ ║ | |
| ║ │ ┃│ Step 2 │┃ │ │ │ │ │ ║ | |
| ║ │ ┃╰──────────────╯┃ │ │ │ │ │ ║ | |
| ║ │ ┗━━━━━━━━━━━━━━━━┛ │ │ │ │ │ ║ | |
| ║ └────────────────────┘ └────────────────────┘ └────────────────────┘ ║ | |
| ╚═════════════════════════════════════════════════════════════════════════════╝ | |
| ╭ ─ ─ ─ ─ ─ ╮ ╭ ─ ─ ─ ─ ─ ╮ ╭ ─ ─ ─ ─ ─ ╮ | |
| Event Event Event | |
| ╰ ─ ─ ┬ ─ ─ ╯ ╰ ─ ─ ┬ ─ ─ ╯ ╰ ─ ─ ┬ ─ ─ ╯ A workflow is triggered by 1 or multiple events, | |
| │ │ │ automatically or manually or scheduled | |
| └──┐ ┌───┘ ┌───────────┘ | |
| │ │ │ See: | |
| ┌────────┴───────┴──────┴─────────────────┐ https://docs.github.com/en/actions/using-workflo | |
| │ │ ws/events-that-trigger-workflows | |
| │ Workflow │ | |
| │ │ | |
| └─────────────────────────────────────────┘ | |
| ┌ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ┐ A job needs an environment to execute, just like | |
| Execute ┏━━━━━━━━━━━━━━━━━━━━━━━━━┓ a container of Docker. | |
| │Environment ┃ Job ┃ │ | |
| ┃ ┃ (Note: We can run docker on Github Actions) | |
| │ ┗━━━━━━━━━━━━━━━━━━━━━━━━━┛ │ | |
| ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ | |
| ┌ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ┐ | |
| Execute ┏━━━━━━━━━━━━━━━━━━━━━━━━━┓ By default, jobs are independent, may have | |
| │Environment ┃ Job ┃ │ different environments, and run in parallel. | |
| ┃ ┃ | |
| │ ┗━━━━━━━━━━━━━━━━━━━━━━━━━┛ │ To make a job able to run after another and see | |
| ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ the output of the others, we need to explicitly | |
| define the dependency | |
| ╭────────────────────────────────────────╮ | |
| │ Step │ A step consists of 1 or more commands and is executed in sequence | |
| │ - command 1 │ from top to bottom. | |
| │ - command 2 │ | |
| │ - command 3 │ If a step is failed, the consequence steps will be skipped unless | |
| │ - ... │ it is explicitly defined to be run when error (`if: failure()`), | |
| │ │ for example, unit test error report; or always be executed even if | |
| │ │ error or not (`if: always()`), for example, clean up resources | |
| │ │ | |
| │ │ | |
| │ │ | |
| │ │ | |
| ╰────────────────────────────────────────╯ | |
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| ▄█ ░█░ █▀▄ █▄█ █▄▄ ░█░ █▄█ █▀▄ ██▄ █▄█ █▀░ █▀█ ▀▄▀▄▀ █▄█ █▀▄ █░█ █▀░ █▄▄ █▄█ ▀▄▀▄▀ | |
| A workflow is a yml file under `.github/workflows` directory | |
| ┌──────────────────────────────────────────────────────────────────┐ In this example: | |
| │name: My First Workflow │ | |
| │ │ - The workflow is named "My First Workflow". | |
| │# This workflow is triggered on pushes to the repository. │ | |
| │on: [push] │ - The on: [push] line means the workflow is triggered | |
| │ │ whenever a push is made to the repository. | |
| │jobs: │ | |
| │ build: │ - The jobs: section defines a single job called | |
| │ runs-on: ubuntu-latest │ "build". | |
| │ │ | |
| │ steps: │ - The runs-on: ubuntu-latest line specifies that the | |
| │ - name: Check out repository │ job runs on an Ubuntu runner. | |
| │ uses: actions/checkout@v3 │ | |
| │ │ - The steps: section defines two steps that are run in | |
| │ - name: Run a one-line script │ sequence: | |
| │ run: echo Hello, world! │ | |
| │ │ - The first step uses the actions/checkout@v3 action | |
| │ - name: Run multiple lines script │ to check out the repository. | |
| │ run: | │ | |
| │ echo Good afternoon │ - The second step runs a one-line script that prints | |
| │ echo こ ん に ち は │ "Hello, world!" to the console. | |
| │ echo Chào buổi chiều │ | |
| │ echo bon après-midi │ - The 3rd step runs a multiple-line script. For | |
| │ echo Guten Tag │ multiple lines, we need `|` character | |
| └──────────────────────────────────────────────────────────────────┘ | |
| Let's see a more complicated workflow. | |
| ┌─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐ | |
| │ This is the actual workflow of MonoSketch: │ | |
| │ name: Code health check https://github.com/tuanchauict/MonoSketch/blob/main │ | |
| │ on: /.github/workflows/code-health-check.yml │ | |
| │ pull_request: ┃ Events: │ | |
| │ push: ┃ - pull request │ | |
| │ branches: ┃ - push on main branch │ | |
| │ - main ┃ │ | |
| │ jobs: │ | |
| │ unit_test: │ | |
| │ runs-on: ubuntu-latest │ | |
| │ steps: │ | |
| │ - uses: actions/checkout@v3 │ | |
| │ - uses: actions/setup-java@v3 ┃ │ | |
| │ with: ┃ Setup Java environment │ | |
| │ distribution: 'zulu' ┃ │ | |
| │ java-version: 17 ┃ │ | |
| │ - name: Cache local maven repository ┃ │ | |
| │ uses: actions/cache@v3 ┃ │ | |
| │ with: ┃ │ | |
| │ path: | ┃ │ | |
| │ ~/.gradle/caches ┃ Caching │ | |
| │ ~/.gradle/wrapper ┃ │ | |
| │ key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle', '**/gradle-wrapper.properties') }} ┃ │ | |
| │ restore-keys: | ┃ │ | |
| │ ${{ runner.os }}-gradle- ┃ │ | |
| │ │ | |
| │ - run: ./gradlew test --continue │ | |
| │ │ | |
| │ - name: Clean up test result ┃ Prepare test report │ | |
| │ if: failure() ┃ Only run if the test fails │ | |
| │ run: sh tools/devops/remove_success_test_report ┃ │ | |
| │ │ | |
| │ - name: Publish test result ┃ │ | |
| │ uses: actions/upload-artifact@v3 ┃ Publish the test result │ | |
| │ if: failure() ┃ Only run if the test fails │ | |
| │ with: ┃ │ | |
| │ name: test-result ┃ │ | |
| │ path: | ┃ │ | |
| │ build/reports/tests/ ┃ │ | |
| │ app/build/reports/tests/ ┃ │ | |
| │ libs/**/reports/tests/ ┃ │ | |
| │ │ | |
| │ ktlint: │ | |
| │ runs-on: ubuntu-latest │ | |
| │ steps: │ | |
| │ - uses: actions/checkout@v3 │ | |
| │ - uses: actions/setup-java@v3 │ | |
| │ with: │ | |
| │ distribution: 'zulu' │ | |
| │ java-version: 17 │ | |
| │ - name: Cache local maven repository ┃ │ | |
| │ uses: actions/cache@v3 ┃ │ | |
| │ with: ┃ Caching again │ | |
| │ path: | ┃ (I really want to │ | |
| │ ~/.gradle/caches ┃ make this shorter, │ | |
| │ ~/.gradle/wrapper ┃ but...) │ | |
| │ key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle', '**/gradle-wrapper.properties') }} ┃ │ | |
| │ restore-keys: | ┃ │ | |
| │ ${{ runner.os }}-gradle- ┃ │ | |
| │ │ | |
| │ - run: ./gradlew ktlint │ | |
| │ │ | |
| │ assemble: │ | |
| │ runs-on: ubuntu-latest │ | |
| │ steps: │ | |
| │ - uses: actions/checkout@v3 │ | |
| │ - uses: actions/setup-java@v3 │ | |
| │ with: │ | |
| │ distribution: 'zulu' │ | |
| │ java-version: 17 │ | |
| │ - name: Cache local maven repository │ | |
| │ uses: actions/cache@v3 │ | |
| │ with: │ | |
| │ path: | │ | |
| │ ~/.gradle/caches │ | |
| │ ~/.gradle/wrapper │ | |
| │ key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle', '**/gradle-wrapper.properties') }} │ | |
| │ restore-keys: | │ | |
| │ ${{ runner.os }}-gradle- │ | |
| │ │ | |
| │ - run: ./gradlew assemble │ | |
| │ │ | |
| └─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘ | |
| Reference: | |
| - Cache: https://docs.github.com/en/actions/using-workflows/caching-dependencies-to-speed-up-workflows | |
| - Store artifact: https://docs.github.com/en/actions/using-workflows/storing-workflow-data-as-artifacts | |
| █▀ ▄▀█ █▀▄▀█ █▀█ █░░ █▀▀ | |
| ▄█ █▀█ █░▀░█ █▀▀ █▄▄ ██▄ | |
| Requirement | |
| ╭─────────────╮if fails ╭─────────────╮ | |
| │ ◆──────────────▶ Report ○─────┐ | |
| ○─────┤ Test │ ╰─────────────╯ ┴ | |
| │ ○──────╮ | |
| ╰─────────────╯ │ | |
| │ | |
| ╭─────────────╮ │ ╭─────────────╮ | |
| ○─────┤ │ ╭──┴───────▶ Deploy ○─────┐ | |
| │ Build ○───╯ ╰─────────────╯ ┴ | |
| │ │ | |
| ╰─────────────╯ | |
| ┌────────────────────────────────────────────────────────────────┐ | |
| │ │ | |
| │ name: Build, Test, Deploy, and Report │ | |
| │ │ | |
| │ on: [push] │ | |
| │ │ | |
| │ jobs: │ | |
| │ build: │ | |
| │ runs-on: ubuntu-latest │ | |
| │ │ | |
| │ steps: │ | |
| │ - name: Check out repository │ | |
| │ uses: actions/checkout@v3 │ | |
| │ │ | |
| │ - name: Build │ | |
| │ run: echo Running build script... │ | |
| │ │ | |
| │ - name: Upload build artifact │ | |
| │ uses: actions/upload-artifact@v2 │ | |
| │ with: │ | |
| │ name: my-artifact │ | |
| │ path: ./path/to/artifact │ | |
| │ │ | |
| │ test: │ | |
| │ runs-on: ubuntu-latest │ | |
| │ │ | |
| │ steps: │ | |
| │ - name: Check out repository │ | |
| │ uses: actions/checkout@v3 │ | |
| │ │ | |
| │ - name: Test │ | |
| │ run: echo Running test script... │ | |
| │ │ | |
| │ deploy: │ | |
| │ needs: [build, test] │ | |
| │ runs-on: ubuntu-latest │ | |
| │ │ | |
| │ steps: │ | |
| │ - name: Check out repository │ | |
| │ uses: actions/checkout@v3 │ | |
| │ │ | |
| │ - name: Download build artifact │ | |
| │ uses: actions/download-artifact@v3 │ | |
| │ with: │ | |
| │ name: my-artifact │ | |
| │ path: ./path/to/artifact │ | |
| │ │ | |
| │ - name: Deploy │ | |
| │ run: echo Running deploy script... │ | |
| │ │ | |
| │ report: │ | |
| │ needs: [test] │ | |
| │ runs-on: ubuntu-latest │ | |
| │ if: failure() │ | |
| │ │ | |
| │ steps: │ | |
| │ - name: Check out repository │ | |
| │ uses: actions/checkout@v3 │ | |
| │ │ | |
| │ - name: Report │ | |
| │ run: echo Running report script... │ | |
| │ │ | |
| │ │ | |
| └────────────────────────────────────────────────────────────────┘ | |
| █▀▄ █▀▀ █▀▄▀█ █▀█ | |
| █▄▀ ██▄ █░▀░█ █▄█ | |
| https://github.com/monosketchapp/sample-actions | |
| ┌──────────────────────────────────────┐ | |
| │ │ | |
| │ Simple Kotlin JS app │ | |
| │ │ | |
| └──────────────────┬───────────────────┘ | |
| │ | |
| │ | |
| │ | |
| ┌──────────────────▼───────────────────┐ | |
| │ │ | |
| │ Add job to run unit test │ | |
| │ │┌────────────────────┐ | |
| └──────────────────┬───────────────────┘│ Try error test │ | |
| │ └────────────────────┘ | |
| │ | |
| │ | |
| ┌──────────────────▼───────────────────┐ | |
| │ │ | |
| │ Add job to run build │ | |
| │ │ | |
| └──────────────────┬───────────────────┘ | |
| │ | |
| │ | |
| │ | |
| ┌─────────────────▼────────────────────┐ | |
| │ │ | |
| │ Store artifact │ | |
| │ │ | |
| └─────────────────┬────────────────────┘ | |
| │ | |
| │ | |
| │ | |
| ┌─────────────────▼────────────────────┐ | |
| │ │ | |
| │ Apply cache │ | |
| │ │ | |
| └──────────────────┬───────────────────┘ | |
| │ | |
| │ | |
| │ | |
| ┌──────────────────▼───────────────────┐ | |
| │ │ | |
| │ Generate test fail report │ | |
| │ │ | |
| └──────────────────────────────────────┘ | |
| Small pick | |
| How to run GitHub Actions locally: | |
| - https://github.com/nektos/act |
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