component-docker-installation-2.0.yaml

name: 'Install Docker'
description: 'This component installs docker-ce and its dependencies.'
schemaVersion: 1.0
parameters:
  - KeyUrl:
      type: string
      default: 'https://download.docker.com/linux/ubuntu/gpg'
      description: 'GPG key url.'
  - KeyFile:
      type: string
      default: 'docker_key.pub.gpg'
      description: 'Key download file name.'
  - KeyChecksum:
      type: string
      default: '1500c1f56fa9e26b9b8f42452a553675796ade0807cdce11975eb98170b3a570'
      description: 'Downloaded key SHA256 checksum.'
  - KeyRing:
      type: string
      default: '/usr/local/share/keyrings'
      description: 'Local keyring.'
  - RepoUrl:
      type: string
      default: 'https://download.docker.com/linux/ubuntu'
      description: 'Repository url.'
  - RepoName:
      type: string
      default: 'focal'
      description: 'Respository name.'
  - RepoBranch:
      type: string
      default: 'stable'
      description: 'Repository branch.'
  - SourcesListName:
      type: string
      default: 'docker.list'
      description: 'Sources list file name.'
  - PackageList:
      type: string
      default: 'docker-ce docker-ce-cli containerd.io docker-compose-plugin'
      description: 'Packages. Passed to apt-get install. Space separated list.'

phases:
  - name: build
    steps:
      - name: InstallSupportPackages
        action: ExecuteBash
        onFailure: Abort
        maxAttempts: 3
        inputs:
          commands:
            - |
              sudo apt-get install -y \
                apt-transport-https \
                ca-certificates \
                curl \
                gnupg-agent \
                software-properties-common
      - name: DownloadKey
        action: WebDownload
        onFailure: Abort
        maxAttempts: 3
        timeoutSeconds: 10
        inputs:
          - source: '{{ KeyUrl }}'
            checksum: '{{ KeyChecksum }}'
            algorithm: SHA256
            destination: '{{ KeyFile }}'
      - name: CreateKeyingDirectory
        action: CreateFolder
        inputs:
          - path: '{{ KeyRing }}'
            owner: root
            group: root
            permissions: '0755'
            overwrite: false
      - name: ConfigureKey
        action: ExecuteBash
        onFailure: Abort
        maxAttempts: 1
        inputs:
          commands:
            - |
              if $(file '{{ build.DownloadKey.inputs[0].destination }}' | grep -q 'PGP public key block Public-Key (old)'); then
                cat '{{ build.DownloadKey.inputs[0].destination }}' | gpg --dearmor > '{{ KeyRing }}/{{ KeyFile }}'
              else
                gpg_conversion=$(mktemp)
                gpg --no-default-keyring --keyring ${gpg_conversion} --import '{{ build.DownloadKey.inputs[0].destination }}'
                pgp --no-default-keyring --keyring ${gpg_conversion} --export --output '{{ KeyRing }}/{{ KeyFile }}'
                rm ${gpg_conversion}
              fi
      - name: ConfigureSourcesList
        action: ExecuteBash
        onFailure: Abort
        maxAttempts: 1
        inputs:
          commands:
            - echo "deb [arch=$(dpkg --print-architecture) signed-by={{ KeyRing }}/{{ KeyFile }}] {{ RepoUrl }} {{ RepoName }} {{ RepoBranch }}" > '/etc/apt/sources.list.d/{{ SourcesListName }}'
      - name: UpdateRepos
        action: ExecuteBash
        onFailure: Abort
        maxAttempts: 1
        inputs:
          commands:
            - apt-get update
      - name: InstallPackage
        action: ExecuteBash
        onFailure: Abort
        maxAttempts: 3
        inputs:
          commands: 
            - 'apt-get install -y {{ PackageList }}'
      - name: InstallMysqlClient
        action: ExecuteBash
        onFailure: Abort
        maxAttempts: 3
        inputs:
          commands:
            - sudo apt-get install -y mysql-client
      - name: ModUbuntuGroups
        action: ExecuteBash
        onFailure: Abort
        maxAttempts: 3
        inputs:
          commands:
            - sudo usermod -a -G docker ubuntu