Class: FPM::Fry::Detector::Container

Inherits:
Struct
  • Object
show all
Defined in:
lib/fpm/fry/detector.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#client ⇒ Object

Returns the value of attribute client

Returns:

  • (Object) —

    the current value of client



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# File 'lib/fpm/fry/detector.rb', line 17

def client
  @client
end

#container ⇒ Object

Returns the value of attribute container

Returns:

  • (Object) —

    the current value of container



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# File 'lib/fpm/fry/detector.rb', line 17

def container
  @container
end

#distribution ⇒ Object (readonly)

Returns the value of attribute distribution.



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# File 'lib/fpm/fry/detector.rb', line 18

def distribution
  @distribution
end

#version ⇒ Object (readonly)

Returns the value of attribute version.



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# File 'lib/fpm/fry/detector.rb', line 19

def version
  @version
end

Instance Method Details

#detect! ⇒ Object 



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# File 'lib/fpm/fry/detector.rb', line 21

def detect!
  begin
    client.read(container,'/etc/lsb-release') do |file|
      file.read.each_line do |line|
        case(line)
        when /\ADISTRIB_ID=/ then
          @distribution = $'.strip.downcase
        when /\ADISTRIB_RELEASE=/ then
          @version = $'.strip
        end
      end
    end
    return !!(@distribution and @version)
  rescue Client::FileNotFound
  end
  begin
    client.read(container,'/etc/debian_version') do |file|
      content = file.read
      if /\A\d+(?:\.\d+)+\Z/ =~ content
        @distribution = 'debian'
        @version = content.strip
      end
    end
    return !!(@distribution and @version)
  rescue Client::FileNotFound
  end
  begin
    client.read(container,'/etc/redhat-release') do |file|
      if file.header.typeflag == "2" # centos links this file
        client.read(container,File.absolute_path(file.header.linkname,'/etc')) do |file|
          detect_redhat_release(file)
        end
      else
        detect_redhat_release(file)
      end
    end
    return !!(@distribution and @version)
  rescue Client::FileNotFound
  end
  return false
end