Class: Shipitron::Server::Docker::Configure

Inherits:
Object
  • Object
show all
Includes:
Metaractor, ConsulKeys
Defined in:
lib/shipitron/server/docker/configure.rb

Instance Method Summary collapse

Methods included from ConsulKeys

#configure_consul_client!, #fetch_key, #fetch_key!, #set_key, #set_key!

Instance Method Details

#call ⇒ Object 



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# File 'lib/shipitron/server/docker/configure.rb', line 19

def call
  username = fetch_scoped_key('docker_user')
  password = fetch_scoped_key('docker_password')

  if username && password
    Logger.info `docker login --username #{username} --password #{password}`
    if $? != 0
      fail_with_error!(message: 'Docker login failed.')
    end
  end

  if registry
    case registry
    when /docker\.io/
      # do nothing
    when /\d+\.dkr\.ecr\.us-east-1\.amazonaws\.com/
      # ECR
      config_file = Pathname.new('/home/shipitron/.docker/config.json')
      config_file.parent.mkpath

      config_hash = {}
      if config_file.file?
        config_file.open('rb') do |file|
          json = file.read
          config_hash = JSON.parse(json) rescue {}
        end
      end

      config_hash['credHelpers'] ||= {}
      config_hash['credHelpers'][registry] = 'ecr-login'

      config_file.open('wb') do |file|
        file.puts(JSON.generate(config_hash))
        file.chmod(0600)
      end
    end
  end
end