Class: Uberinstaller::Runner

Inherits:
Object
  • Object
show all
Includes:
Loggable
Defined in:
lib/uberinstaller/runner.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Loggable

configure_logger_for, #logger, logger_for

Constructor Details

#initialize(file) ⇒ Runner

Initialize the Runner class

Parameters:

  • file (String) —

    the file name to be used for this execution



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# File 'lib/uberinstaller/runner.rb', line 22

def initialize(file)
  logger.debug Config.command_path
  logger.debug Config.local_pkg_path
  logger.debug Config.json_path
  logger.info "Processing JSON file: #{file}"
  
  # check if element has already been processed
  @unprocessed = true

  @parser = Parser.new file
  
  @platform = Platform.new

  logger.warn "Platform is not Ubuntu, please report any inconvenient behaviour" unless platform.is_ubuntu?
  
  verify_architecture
  verify_os_version

  # This dummy commander is used to launch before all and after all scripts
  @global_commander = Commander.new("Dummy package", { :cmd => { :after => "all.sh", :before => "all.sh" }})

  @packages = parser.data[:packages]

  get_nested_json
end

Instance Attribute Details

#packages ⇒ Object (readonly)

the list of packages after configuration file is parsed



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# File 'lib/uberinstaller/runner.rb', line 17

def packages
  @packages
end

#parser ⇒ Object (readonly)

the parser class used to parse configuration file



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# File 'lib/uberinstaller/runner.rb', line 17

attr_reader :packages, :parser, :platform, :unprocessed

#platform ⇒ Object (readonly)

the platform on which UberInstaller is running



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# File 'lib/uberinstaller/runner.rb', line 17

attr_reader :packages, :parser, :platform, :unprocessed

#unprocessed ⇒ Object (readonly)

Returns the value of attribute unprocessed.



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# File 'lib/uberinstaller/runner.rb', line 17

attr_reader :packages, :parser, :platform, :unprocessed

Instance Method Details

#install ⇒ Object 



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# File 'lib/uberinstaller/runner.rb', line 48

def install
  logger.info 'Installing packages...'

  @packages.each do |p|
    pkg_name = p[0].to_s
    pkg = p[1]

    installer = Installer.new(pkg_name, pkg)
    commander = Commander.new(pkg_name, pkg)

    logger.info "Installing #{pkg_name}"

    commander.before

    case pkg[:type]
    when 'system'
      begin 
        installer.install 'system'
      rescue Exception => e
        logger.error e.message

        pkg[:errors] = Array.new # add array to store errors
        pkg[:errors] << e.message
      end
    when 'git'
      begin
        installer.install 'git'
      rescue Exception => e
        logger.error e.message
        
        pkg[:errors] = Array.new # add array to store errors
        pkg[:errors] << e.message
      end
    when 'local'
      begin
        installer.install 'local'
      rescue Exception::MultipleLocalFilesNotSupported => e
        logger.error e.message
        
        pkg[:errors] = Array.new # add array to store errors
        pkg[:errors] << e.message
      end
    else
      logger.error "#{pkg_name} :type is not supported"
    end

    commander.after
  end

  logger.info 'Executing after all commands...'
  @global_commander.after
end

#preprocess ⇒ Object

Preprocess all packages performing validation



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# File 'lib/uberinstaller/runner.rb', line 102

def preprocess
  logger.info 'Executing before all commands...'
  @global_commander.before

  logger.info 'Preprocessing packages...'
  @packages.each do |p|
    pkg_name = p[0].to_s
    pkg = p[1]

    logger.info "Package: #{pkg_name}"
    logger.debug "Package content: #{pkg}"

    # set pkg installation type based on existing key in the package definition
    pkg[:type] = get_package_type pkg

    installer = Installer.new(pkg_name, pkg)

    case pkg[:type]
    when 'system'
      begin 
        installer.preprocess 'system'
      rescue Exception::InvalidPackage, Exception::InvalidPpa => e
        logger.error e.message

        pkg[:skip] = true
        pkg[:errors] = Array.new # add array to store errors
        pkg[:errors] << e.message
      end
    when 'git'
      begin
        installer.preprocess 'git'
      rescue Exception::InvalidFolder, Exception::MissingUrl, Exception::InvalidUrl => e
        logger.error e.message
        
        pkg[:skip] = true
        pkg[:errors] = Array.new # add array to store errors
        pkg[:errors] << e.message
      end
    when 'local'
      begin
        installer.preprocess 'local'
      rescue Exception::MissingLocalPackage, Exception::InvalidLocalPackage => e
        logger.error e.message
        
        pkg[:skip] = true
        pkg[:errors] = Array.new # add array to store errors
        pkg[:errors] << e.message
      end
    else
      logger.error "#{pkg_name} :type is not supported"
    end
  end

  PackageManager.new('remote').update
end

#verify_architecture ⇒ Object

Verify that platform architecture match the one specified in the config file

Raises:



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# File 'lib/uberinstaller/runner.rb', line 161

def verify_architecture
  if parser.data[:meta][:arch]
    unless parser.data[:meta][:arch] == 'system'
      logger.debug 'Verifying architecture...'

      unless parser.data[:meta][:arch] == platform.architecture
        raise Exception::WrongArchitecture, parser.data[:meta][:arch]
      else
        logger.info "Architecture match installation file requirements"
      end
    end
  else
    logger.warn "Installation file does not specify a required architecture"
  end
end

#verify_os_version ⇒ Object

Verify that the OS version match the one specified in the config file

Raises:



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# File 'lib/uberinstaller/runner.rb', line 180

def verify_os_version
  raise Exception::WrongVersion, parser.data[:meta][:version] unless parser.data[:meta][:version] == platform.lsb[:codename]
end