Class: Capistrano::JDKInstaller::JDKInstaller

Inherits:
Object
  • Object
show all
Defined in:
lib/capistrano-jdk-installer/jdk-installer.rb

Constant Summary collapse

JDK_INSTALLER_URI = 
"http://updates.jenkins-ci.org/updates/hudson.tools.JDKInstaller.json"
JDK_INSTALLER_TTL = 
259200

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ JDKInstaller

Returns a new instance of JDKInstaller.



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# File 'lib/capistrano-jdk-installer/jdk-installer.rb', line 386

def initialize(options={})
  @uri = ( options.delete(:uri) || JDK_INSTALLER_URI )
  @ttl = ( options.delete(:ttl) || JDK_INSTALLER_TTL )
  @file = if options.key?(:file)
            options.delete(:file)
          else
            Tempfile.new("jdk-installer")
          end
  @keep_stale = options.fetch(:keep_stale, false)
  @options = options.dup
  @logger = @options[:logger]
  update
end

Class Method Details

.major_version(version_name) ⇒ Object 



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# File 'lib/capistrano-jdk-installer/jdk-installer.rb', line 347

def major_version(version_name)
  case version_name
  when /^1_4_\d+(?:_[0-9]+)?$/ then "1.4"
  when /^1_5_\d+(?:_[0-9]+)?$/ then "5"
  when /^(\d+)(?:u\d+)?$/      then $1
  else
    raise(JDKInstallerParseError.new("Could not parse JDK version name: #{version_name}"))
  end
end

.platform_string(version_name, ostype, arch, options = {}) ⇒ Object 



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# File 'lib/capistrano-jdk-installer/jdk-installer.rb', line 357

def platform_string(version_name, ostype, arch, options={})
  major_version = major_version(version_name)
  ostype = ostype.to_s.strip.downcase
  arch = arch.to_s.strip.downcase
  case major_version
  when /^(?:1\.4|5)$/
    arch = case arch
           when /^(?:i[3-7]86)$/i     then "i586"
           when /^(?:amd64|x86_64)$/i then "amd64"
           else
             arch
           end
  else
    ostype = case ostype
             when /^Darwin$/i then "macosx"
             else
               ostype
             end
    arch = case arch
           when /^(?:i[3-7]86)$/i     then ostype == "macosx" ? "x64" : "i586"
           when /^(?:amd64|x86_64)$/i then "x64"
           else
             arch
           end
  end
  "#{ostype}-#{arch}"
end

Instance Method Details

#[](regex) ⇒ Object 



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# File 'lib/capistrano-jdk-installer/jdk-installer.rb', line 464

def [](regex)
  files.find { |file| regex === file.to_s }
end

#expired?(t = Time.now) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/capistrano-jdk-installer/jdk-installer.rb', line 410

def expired?(t=Time.now)
  not(File.file?(@file)) or ( File.mtime(@file) + @ttl < t )
end

#files ⇒ Object 



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# File 'lib/capistrano-jdk-installer/jdk-installer.rb', line 460

def files
  @files ||= releases.map { |release| release.files }.flatten
end

#logger ⇒ Object 



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# File 'lib/capistrano-jdk-installer/jdk-installer.rb', line 400

def logger
  @logger ||= Logger.new(STDOUT)
end

#mechanize ⇒ Object 



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# File 'lib/capistrano-jdk-installer/jdk-installer.rb', line 404

def mechanize
  @mechanize ||= ::Mechanize.new { |agent|
    agent.ssl_version = :TLSv1 # we have to declare TLS version explicitly to avoid problems on LP:965371
  }
end

#read ⇒ Object 



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# File 'lib/capistrano-jdk-installer/jdk-installer.rb', line 444

def read()
  if @file.respond_to?(:read)
    @file.read
  else
    File.read(@file)
  end
end

#releases ⇒ Object 



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# File 'lib/capistrano-jdk-installer/jdk-installer.rb', line 456

def releases
  @releases ||= versions.map { |version| version.releases }.flatten
end

#update ⇒ Object 



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# File 'lib/capistrano-jdk-installer/jdk-installer.rb', line 414

def update
  if expired?
    logger.info("The cache of JDKInstaller.json has been expired. (ttl=#{@ttl})")
    update!
  end
end

#update! ⇒ Object 



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# File 'lib/capistrano-jdk-installer/jdk-installer.rb', line 421

def update!
  begin
    page = mechanize.get(@uri)
    write(page.body)
  rescue ::Mechanize::Error => error
    logger.info("Could not update JDKInstaller.json from #{@uri}. (#{error})")
    if @keep_stale
      logger.info("Try to use stale JDKInstaller.json at #{@file}.")
    else
      raise
    end
  end
end

#versions ⇒ Object 



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# File 'lib/capistrano-jdk-installer/jdk-installer.rb', line 452

def versions
  @versions ||= JDKInstallerVersions.parse(read, @options)
end

#write(s) ⇒ Object 



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# File 'lib/capistrano-jdk-installer/jdk-installer.rb', line 435

def write(s)
  if @file.respond_to?(:write)
    @file.write(s)
  else
    FileUtils.mkdir_p(File.dirname(@file))
    File.write(@file, s)
  end
end