Method: DockerSpec.push

Defined in:
lib/docker/spec.rb

.push ⇒ Object 



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# File 'lib/docker/spec.rb', line 31

def self.push
  @config[:push_container] = DockerSpec.get_config(:push_container, 'DOCKER_SPEC_PUSH_CONTAINER',
                                                   "\nPush new tag? ")
  if @config[:push_container]

    @config[:tag_db] ||
      fail('tag_db is not defined in docker_spec.yml')

    # Load credentials from config file, or default docker config
    if @config[:dockerhub]
      @config[:dockerhub][:username] ||
        fail('dockerhub->username is not defined in docker_spec.yml')
      @config[:dockerhub][:password] ||
        fail('dockerhub->password is not defined in docker_spec.yml')
      @config[:dockerhub][:email] ||
        fail('dockerhub->email is not defined in docker_spec.yml')
    else
      @config[:dockerhub] = Hash.new
      docker_auth = JSON.parse(File.read(File.expand_path(DOCKER_AUTH_FILE)))
      auth_base64 = docker_auth['auths']['https://index.docker.io/v1/']['auth']
      @config[:dockerhub][:username] = Base64.decode64(auth_base64).split(':').first
      @config[:dockerhub][:password] = Base64.decode64(auth_base64).split(':').last
      @config[:dockerhub][:email] = docker_auth['auths']['https://index.docker.io/v1/']['email']
    end

    # Open key value store and get the current tag for this repo
    store = Moneta.new(:YAML, file: @config[:tag_db])
    current_tag = store.key?(@config[:image_name]) ? store[@config[:image_name]].to_i : 0
    new_tag = current_tag + 1

    image = Docker::Image.all.detect do |i|
      i.info['RepoTags'].include?(@config[:image_name] + ':latest')
    end

    # Login to docker hub and push latest and new_tag
    Docker.authenticate! username: @config[:dockerhub][:username],
                         password: @config[:dockerhub][:password],
                         email: @config[:dockerhub][:email]

    image.tag repo: @config[:image_name], tag: new_tag, force: true
    puts "\nINFO: pushing #{@config[:image_name]}:#{new_tag} to DockerHub"
    image.push nil, tag: new_tag

    image.tag repo: @config[:image_name], tag: 'latest', force: true
    puts "INFO: pushing #{@config[:image_name]}:latest to DockerHub"
    image.push nil, tag: 'latest'

    # Store the new tag in the tag_db
    store[@config[:image_name]] = new_tag
    store.close
  end
end