Class: GoGreen

Inherits:
Object
  • Object
show all
Defined in:
lib/gogreen.rb

Instance Method Summary collapse

Constructor Details

#initialize(alias_file, site = nil, subdomain = nil, shell_execute: true, rsc: nil, keepalive: false) ⇒ GoGreen

Returns a new instance of GoGreen.



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# File 'lib/gogreen.rb', line 31

def initialize(alias_file, site=nil, subdomain=nil, shell_execute: true,
               rsc: nil, keepalive: false)
  super()

  @shell_execute, @rsc, @alias_file = shell_execute, rsc, alias_file
  @keepalive = keepalive

  buffer = RXFReader.read(alias_file).first

  name = case buffer
  when /^<\?dynarex/
    @records = dxread(buffer)
  when /^<\?polyrex/
    @records, @conf = pxread(buffer, site, subdomain)
  else
    raise GoGreenException, 'alias file ' + alias_file + ' not recognised'
  end


end

Instance Method Details

#execute(alias_name, job_args = []) ⇒ Object 



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# File 'lib/gogreen.rb', line 52

def execute(alias_name, job_args=[])

  alias_found = @records[alias_name]
  return 'job not found' unless alias_found

  cmd = alias_found[:body][:command]
  cmd += ' ' + @conf if @conf

  if cmd[/^rcscript/] then

    a = cmd.sub(/^rcscript /,'').split + job_args.map do |x|
      x.sub(/^["'](.*)["']$/,'\1')
    end

    raw_code, args = RScript.new.read a

    begin

      if @shell_execute then

        a = raw_code.strip.lines
        a.unshift 'args = ' + args.inspect + "\n\n"
        lastline = a.pop
        a.push('puts ' + lastline)

        var = '$alias_file = ' + @alias_file.inspect
        code2 = "$0 = 'gogreen'\n" + var +"\n" + a.join.gsub('\"','"')\
            .gsub('\#','#')

        file = Tempfile.new('gogreen')
        code3 = @keepalive ? apply_handler(code2) : code2
        file.write(code3)
        file.close
        puts 'before ruby'
        r = `ruby #{file.path}`
        r.strip
        #pipe = IO.popen("ruby", "w")
        #pipe.write code2
        #pipe.close

      else

        code3 = @keepalive ? apply_handler(raw_code) : raw_code
        result = eval(code3)

      end

    rescue
      ($!).to_s[/^[^\n]+/].to_s
    end

  elsif cmd[/^rsc/] and @rsc

    package, job, args = cmd.sub(/^rsc/,'').split + job_args
    @rsc.send(package.to_sym).send(job.to_sym, *args)

  else
    `#{cmd} #{job_args.join(' ')}`
  end

end