GithubOps: Github Actions: Process the CICD pipelines for easy way(Part-1)

Basically its way getting started with GitHub Actions, its used for how to automate and customize your software development workflow by using GitHub Actions. First, how a GitHub Action functions by learning its core concepts and key characteristics. Next, Needs hands-on approach in a GitHub project repository by using a featured template workflow file with continuous integration (CI) and customize it with unit tests, build artifacts, and environment variables. Finally, how to use community GitHub Actions from the GitHub Marketplace to extend your customized software development workflow.  GitHub actions to extend, automate, and customize your workflow experience.

Github Docs:

https://docs.github.com/en/get-started

GitHub-hosted runners:

https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners

GitHub Actions:

https://docs.github.com/en/actions

https://docs.github.com/en/actions/automating-your-workflow-with-github-actions/software-installed-on-github-hosted-runners

Prettier - Code formatter:

https://marketplace.visualstudio.com/items?itemName=esbenp.prettier-vscode

YAML:

https://marketplace.visualstudio.com/items?itemName=redhat.vscode-yaml

YAML to JSON:

https://marketplace.visualstudio.com/items?itemName=ahebrank.yaml2json

Managing workflow runs:

https://docs.github.com/en/actions/managing-workflow-runs#enabling-debug-logging

specific shell:

https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions#using-a-specific-shell

hello-world-javascript-action project:

https://github.com/actions/hello-world-javascript-action

Actions plugins:

https://github.com/marketplace?type=actions

GitHub Checkout Usage:

https://github.com/actions/checkout#usage

GitHub workflow:

https://docs.github.com/en/actions/reference/events-that-trigger-workflows

For cron jobs:

  on:

    schedule:

      - cron: "0/5 * * * *"

              "min hour day(month) month day(week)"

https://crontab.guru/

CronJob Examples:

https://crontab.guru/examples.html

Create a repository dispatch event:

https://docs.github.com/en/rest/reference/repos#create-a-repository-dispatch-event

GitHub Action course meterial:

https://github.com/ramanujadasu/github-actions-course

Check all the brach's for more topics

Dispatch Event:

https://docs.github.com/en/rest/reference/repos#create-a-repository-dispatch-event

Filter Pattern:

https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions#filter-pattern-cheat-sheet

Environment Variables:

https://docs.github.com/en/actions/reference/environment-variables

Workflow Authentication:

https://docs.github.com/en/actions/reference/authentication-in-a-workflow

Example workflow: .github/workflows/manual.yaml

Reference: https://github.com/ramanujadasu/github-actions-course/new/master?filename=.github%2Fworkflows%2Fmanual.yml&workflow_template=manual

<code:java>

====================================================

# This is a basic workflow that is manually triggered

name: Manual workflow

# Controls when the action will run. Workflow runs when manually triggered using the UI

# or API.

on:

  workflow_dispatch:

    # Inputs the workflow accepts.

    inputs:

      name:

        # Friendly description to be shown in the UI instead of 'name'

        description: 'Person to greet'

        # Default value if no value is explicitly provided

        default: 'World'

        # Input has to be provided for the workflow to run

        required: true

# A workflow run is made up of one or more jobs that can run sequentially or in parallel

jobs:

  # This workflow contains a single job called "greet"

  greet:

    # The type of runner that the job will run on

    runs-on: ubuntu-latest

    # Steps represent a sequence of tasks that will be executed as part of the job

    steps:

    # Runs a single command using the runners shell

    - name: Send greeting

      run: echo "Hello ${{ github.event.inputs.name }}"

===================================================

Example workflow: .github/workflows/test.yaml

===================================================

name: Test Build

on:

  #To fetch the other repository

  repository_dispatch:

    types: [build]

  #Workflow dispatch

  workflow_dispatch:

    inputs:

      message:

        description: ''

        required: false

        default: ''

  push:

    types: [closed, assigned, opened, reopened]

    branches:

      - master

      - 'feature/*'

      - 'feature/**'

      - '!feature/featC' # if matchs also it will ignore

      - release-20[2-9][1-9].[0-9][0-9].[0-9][0-9]

    # if not using branches

    branches-ignore:

      - 'feature/featC'

    tag:

      - "v1.*"

    paths:

      - "**.js"

    path_ignore:

      - "docs/*"

  pull_request:

    types: [closed, assigned, opened, reopened]

    branches:

      - master

      - release-20[2-9][1-9].[0-9][0-9].[0-9][0-9]

env:

  REPO: ${{ github.repository }}

  BUILD_PATH: ${{ github.workspace }}

  DOCKER_IMAGE_NAME: "test/build"

  DOCKER_IMAGE_VERSION_PREFIX: "1.0.0"

  BUILD_ARGS: "--build-arg <env variable"

jobs:

  build:

    name: Build Python Application

    runs-on: [ ubuntu-latest ]

    timeout-minutes: 10

    strategy:

      matrix:

        python-version: [3.6.10]

    steps:

      # Checkout the repo code to be used for build activity

      - name: Checkout the Repository Source Code

        uses: actions/checkout@v2

        with:

          fetch-depth: 1

        env:

          WF_ENC_ENV: ${{secrets.WF_ENV}}

          WF_TEST_ENV: Test Env

      - name: Get Build Scripts

        run: |

          curl -s -u <url> | bash

          chmod -R 777 tscripts

        shell: bash

      - name: Set up Python ${{ matrix.python-version }}

        uses: actions/setup-python@v2

        with:

          python-version: ${{ matrix.python-version }}

      - name: Run Code Scan for SonarQube

        run: |

          sudo apt-get update

          sudo apt-get install bc

          bash tscripts/sonarqube.sh

        shell: bash

      - name: Build DockerImage if push to master or release branch's

        run: |

          bash tscripts/dbuild/build.sh

        shell: bash

</code:java>

Best way to learn concepts through courses.. Here my reference are: https://www.udemy.com/course/github-actions/

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