Class: Ruboty::ExecCommand::Command

Inherits:
Object
  • Object
show all
Defined in:
lib/ruboty/exec_command/command.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args = {}) ⇒ Command

Returns a new instance of Command.



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# File 'lib/ruboty/exec_command/command.rb', line 35

def initialize(args={})
  args = { absolute_path: nil, command_args: nil }.merge(args)
  @absolute_path = args[:absolute_path]
  @command_args = args[:command_args].split if not args[:command_args].nil?
  @pid = nil
  @start_at = nil
end

Instance Attribute Details

#pid ⇒ Object (readonly)

Returns the value of attribute pid.



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# File 'lib/ruboty/exec_command/command.rb', line 43

def pid
  @pid
end

#start_at ⇒ Object (readonly)

Returns the value of attribute start_at.



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# File 'lib/ruboty/exec_command/command.rb', line 44

def start_at
  @start_at
end

Class Method Details

.all ⇒ Object 



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# File 'lib/ruboty/exec_command/command.rb', line 28

def all
  files.map do |e|
    Command.new(absolute_path: e)
  end
end

.command?(path) ⇒ Boolean

Returns:



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# File 'lib/ruboty/exec_command/command.rb', line 18

def command?(path)
  File.executable?(path) and not File.directory?(path)
end

.command_root ⇒ Object 



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# File 'lib/ruboty/exec_command/command.rb', line 10

def command_root
  "#{ruboty_root}/commands"
end

.files ⇒ Object 



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# File 'lib/ruboty/exec_command/command.rb', line 22

def files
  Dir[command_root+'/**/*'].select do |path|
    command?(path)
  end
end

.log_root ⇒ Object 



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# File 'lib/ruboty/exec_command/command.rb', line 14

def log_root
  "#{ruboty_root}/logs/exec_command"
end

.ruboty_root ⇒ Object 



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# File 'lib/ruboty/exec_command/command.rb', line 6

def ruboty_root
  "#{ENV['RUBOTY_ROOT'] || Dir.pwd}"
end

Instance Method Details

#__command2path(path, args) ⇒ Object 



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# File 'lib/ruboty/exec_command/command.rb', line 58

def __command2path(path, args)
  if self.class.command?(path)
    [path, args]
  else
    if args == []
      # command not found
      return ["", ""]
    else
      __command2path("#{path}/#{args[0]}", args.slice(1, args.length))
    end
  end
end

#absolute_path ⇒ Object 



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# File 'lib/ruboty/exec_command/command.rb', line 46

def absolute_path
  @absolute_path ||= command2path[0]
end

#command2path ⇒ Object 



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# File 'lib/ruboty/exec_command/command.rb', line 71

def command2path
  path = self.class.command_root
  __command2path "#{path}/#{@command_args[0]}",
                @command_args.slice(1, @command_args.length)
end

#command_name ⇒ Object 



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# File 'lib/ruboty/exec_command/command.rb', line 54

def command_name
  @command_name ||= relative_path.gsub('/', ' ')
end

#help ⇒ Object 



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# File 'lib/ruboty/exec_command/command.rb', line 125

def help
  run(args=['-h']).chomp
end

#log_dir ⇒ Object 



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# File 'lib/ruboty/exec_command/command.rb', line 89

def log_dir
  d = "#{self.class.log_root}/#{this_month}"
  FileUtils.mkdir_p(d) if not Dir.exists?(d)
  d
end

#opt_args ⇒ Object 



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# File 'lib/ruboty/exec_command/command.rb', line 77

def opt_args
  @opt_args ||= command2path[1]
end

#output_file_name ⇒ Object 



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# File 'lib/ruboty/exec_command/command.rb', line 95

def output_file_name
  %Q(#{log_dir}/#{command_name.gsub(" ", "_")}-#{this_time})
end

#output_files ⇒ Object 



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# File 'lib/ruboty/exec_command/command.rb', line 99

def output_files
  # return temporary output file IO objects [stdout, stderr]
  ["#{output_file_name}.out", "#{output_file_name}.err"]
end

#relative_path ⇒ Object 



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# File 'lib/ruboty/exec_command/command.rb', line 50

def relative_path
  @relative_path ||= absolute_path.sub(/^#{self.class.command_root}\//,"")
end

#run(args = []) ⇒ Object 



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# File 'lib/ruboty/exec_command/command.rb', line 114

def run(args=[])
  `#{absolute_path} #{args.join(" ")}`
end

#run_bg(args = []) ⇒ Object 



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# File 'lib/ruboty/exec_command/command.rb', line 118

def run_bg(args=[])
  stdout, stderr = output_files
  @start_at = this_time
  @pid = Process.spawn(%Q(#{absolute_path} #{args.join(" ")}),
                  pgroup: true, out: stdout, err: stderr)
end

#stderr_log ⇒ Object 



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# File 'lib/ruboty/exec_command/command.rb', line 109

def stderr_log
  # return contents of stderr
  File.open(output_files[1]).read
end

#stdout_log ⇒ Object 



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# File 'lib/ruboty/exec_command/command.rb', line 104

def stdout_log
  # return contents of stdout
  File.open(output_files[0]).read
end

#this_month ⇒ Object 



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# File 'lib/ruboty/exec_command/command.rb', line 81

def this_month
  Time.now.strftime "%Y-%m"
end

#this_time ⇒ Object 



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# File 'lib/ruboty/exec_command/command.rb', line 85

def this_time
  Time.now.strftime "%Y-%m-%d_%H:%M:%S"
end