Method: VMC::App::Files#tail

Defined in:
lib/vmc/cli/app/files.rb

#tailObject



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# File 'lib/vmc/cli/app/files.rb', line 69

def tail
  app = input[:app]

  lines = Queue.new
  max_len = 0

  if path = input[:path]
    max_len = path.size
    app.instances.each do |i|
      Thread.new do
        stream_path(lines, i, path.split("/"))
      end
    end
  else
    app.instances.each do |i|
      i.files("logs").each do |path|
        len = path.join("/").size
        max_len = len if len > max_len

        Thread.new do
          stream_path(lines, i, path)
        end
      end
    end
  end

  while line = lines.pop
    instance, path, log = line

    unless log.end_with?("\n")
      log += i("%") if color?
      log += "\n"
    end

    print "\##{c(instance.id, :instance)}  "
    print "#{c(path.join("/").ljust(max_len), :name)}  "
    print log
  end
rescue CFoundry::NotFound
  fail "Invalid path #{b(path)} for app #{b(app.name)}"
rescue CFoundry::FileError => e
  fail e.description
end