Difference between revisions of "GitHub Actions"

Revision as of 00:17, 14 October 2021

GitHub Actions is a service provided by GitHub that allows building continuous integration and continuous deployment (CI/CD) pipelines for testing, releasing, and deploying software without the use of third-party websites/platforms.

Examples

Basic

$ cat .github/workflows/basic.yaml

name: Shell Commands 

on: [push]

jobs:
  run-shell-commands:
    runs-on: ubuntu-latest
    steps: 
      - name: echo a string
        run: echo "Hello, World!"
      - name: multiline script 
        run: |
          node -v 
          npm -v
      - name: python command 
        run: |
          import platform 
          print
          (platform.processor())
        shell: python

• Using the GitHub CLI:

$ gh workflow view
? Select a workflow Shell Commands (simple.yaml)
Shell Commands - simple.yaml
ID: 13613098

Total runs 1
Recent runs
✓  initial commit of .github/workflows/simple.yaml  Shell Commands  master  push  1280462255

To see more runs for this workflow, try: gh run list --workflow simple.yaml
To see the YAML for this workflow, try: gh workflow view simple.yaml --yaml

$ gh workflow view simple.yaml --yaml
Shell Commands - simple.yaml
ID: 13613098

name: Shell Commands 

on: [push]

jobs:
  run-shell-command:
    runs-on: ubuntu-latest
    steps: 
      - name: echo a string
        run: echo "Hello World"
      - name: multiline script 
        run: |
           node -v 
           npm -v           
      - name: python Command 
        run: |
          import platform 
          print
          (platform.processor())          
        shell: python


$ gh run list --workflow simple.yaml
STATUS  NAME                                             WORKFLOW        BRANCH  EVENT  ID          ELAPSED  AGE
✓       initial commit of .github/workflows/simple.yaml  Shell Commands  master  push   1280462255  15s      15d

For details on a run, try: gh run view <run-id>

$ gh run view 1280462255

✓ master Shell Commands · 1280462255
Triggered via push about 16 days ago

JOBS
✓ run-shell-command in 1s (ID 3726651254)

For more information about a job, try: gh run view --job=<job-id>
View this run on GitHub: https://github.com/christophchamp/github-actions/actions/runs/1280462255

External links

• Official GitHub Actions documentation
• About GitHub-hosted runners
• Enabling debug logging
• List of packages installed on Ubuntu by default
• Christoph Champ's GitHub Actions demos

GitHub CLI

• GitHub CLI Online Manual