Class: Autumn::Tool::Bin::Cmd

Inherits:
Object
  • Object
show all
Includes:
Helpers
Defined in:
lib/autumn/tool/bin.rb

Overview

End helper methods }}}

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Helpers

#check_running?, #default_pidfile, #find_pid, #is_running?, #is_windows?

Constructor Details

#initialize(args = nil) ⇒ Cmd

Returns a new instance of Cmd.



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# File 'lib/autumn/tool/bin.rb', line 66

def initialize(args = nil)
  args ||= ARGV
  raise "arguments must be an array!" unless args.respond_to?(:detect)
  @ourargs = args.dup
  @command = args.detect { |arg| arg.match(/^(?:--?)?(?:start|stop|restart|create|h(?:elp)?|v(?:ersion)?|console|status)/) }
  if command.nil?
    @command = ""
  else
    args.delete(@command)
  end
  ARGV.replace(args)
end

Instance Attribute Details

#command ⇒ Object

Returns the value of attribute command.



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# File 'lib/autumn/tool/bin.rb', line 64

def command
  @command
end

Class Method Details

.run(args = nil) ⇒ Object

{{{ #run is called when we’re interactive ($0 == __FILE__)



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# File 'lib/autumn/tool/bin.rb', line 80

def self.run(args = nil)
  cmd = new(args)
  case cmd.command
  when /^(?:--?)?status$/
    cmd.status(cmd.command)
  when /^(?:--?)?restart$/
    cmd.stop(cmd.command)
    cmd.start
  when /^(?:--?)?start$/
    cmd.start
  when /^(?:--?)?create$/
    cmd.create(cmd.command)
  when /^(?:--?)?stop$/
    if cmd.stop(cmd.command)
      puts "Autumn session has ended."
      $stdout.flush
    else
      puts "Autumn failed to stop (or was not running)"
    end
  when /^(?:--?)?console$/
    require "irb"
    require "irb/completion"
    cmd.include_autumn
    require "lib/genesis"
    IRB.start
    puts "Autumn session has ended."
  when /^(?:--?)?h(elp)?$/
    puts cmd.usage
  when /^(?:--?)?v(ersion)?$/
    cmd.include_autumn
    puts Autumn::VERSION
    exit
  when /^$/
    puts "Must supply a valid command"
    puts cmd.usage
    exit 1
  else
    puts "#{command} not implemented"
    puts cmd.usage
    exit 1
  end
end

Instance Method Details

#al_root ⇒ Object 



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# File 'lib/autumn/tool/bin.rb', line 172

def al_root
  require "pathname"
  dir = nil
  if ARGV.size == 1
    dir = Pathname.new(ARGV.shift)
  elsif ARGV.size > 1
    $stderr.puts "Unknown options given #{ARGV.join(" ")}"
    puts usage
    exit 1
  end
  if dir.nil? or not dir.directory?
    dir = Pathname.new(ENV["PWD"]).expand_path
    $stderr.puts "Path to autumn tree not given or invalid, using #{dir}"
  end
  Object.const_set("AL_ROOT", dir.expand_path.to_s)
  Dir.chdir(AL_ROOT)
end

#create(command) ⇒ Object

{{{



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# File 'lib/autumn/tool/bin.rb', line 222

def create(command) # {{{
  create_options(opts = {}).parse!(ARGV)
  unless ARGV.size == 1
    $stderr.puts "Invalid options given: #{ARGV.join(" ")}"
    exit 1
  end
  project_name = ARGV.shift
  if project_name.nil?
    $stderr.puts "Must supply a valid project name, you gave none."
    puts usage
    exit 1
  end
  include_autumn
  require 'autumn/tool/create'
  Autumn::Tool::Create.create(project_name, opts)
end

#create_options(opts = {}) ⇒ Object 



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# File 'lib/autumn/tool/bin.rb', line 214

def create_options(opts = {})
  @create_opts ||= OptionParser.new do |o|
    o.banner = "Create Options"
    o.on("-f", "--force", "Force creation if dir already exists") { |yn| opts[:force] = true }
    o.on("-a", "--amend", "Update a tree") { |yn| opts[:amend] = true }
  end
end

#include_autumn ⇒ Object

}}}



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# File 'lib/autumn/tool/bin.rb', line 123

def include_autumn # {{{
  begin
    $LOAD_PATH.unshift File.join(File.dirname(__FILE__), '/../lib')
    require 'autumn'
  rescue LoadError
    $LOAD_PATH.shift

    begin
      require 'rubygems'
    rescue LoadError
    end
    require 'autumn'
  end
end

#start ⇒ Object

Methods for commands {{{



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# File 'lib/autumn/tool/bin.rb', line 191

def start # {{{
  start_options.parse!(ARGV)
  al_root
  
  # Find the name of this app
  puts "starting autumn"
  if @daemonize
    require "daemons"
    Daemons.run_proc(Pathname.new(AL_ROOT).basename, :ARGV => ["start"], :dir_mode => :normal, :dir => "tmp", :multiple => false) do
      start_autumn
    end
    puts "Autumn started in the background"
  else
    start_autumn
  end
end

#start_autumn ⇒ Object

}}}



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# File 'lib/autumn/tool/bin.rb', line 208

def start_autumn
  require "autumn/genesis"
  puts "Loading Autumn #{Autumn::VERSION}"
  Autumn::Genesis.new.boot!
end

#start_options ⇒ Object

}}}



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# File 'lib/autumn/tool/bin.rb', line 165

def start_options
  @start_opts ||= OptionParser.new do |o|
    o.banner = "Start/Restart Options"
    o.on("-D", "--daemonize", "Daemonize the process") { |daem| @daemonize = true }
  end
end

#status(command) ⇒ Object

}}}



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# File 'lib/autumn/tool/bin.rb', line 247

def status(command) # {{{
  al_root
  pn = Pathname.new(AL_ROOT)
  unless pid_file = find_pid(pn.join("tmp", pn.basename.to_s + ".pid"))
    $stderr.puts "No pid_file found! Autumn may not be started."
    exit 1
  end
  puts "Pid file #{pid_file} found, PID is #{pid = File.read(pid_file).chomp}"
  unless is_running?(pid.to_i)
    $stderr.puts "PID #{pid} is not running"
    exit 1
  end
  if is_windows?
    wmi = WIN32OLE.connect("winmgmts://")
    processes, ours = wmi.ExecQuery("select * from win32_process where ProcessId = #{pid}"), []
    processes.each { |p| ours << [p.Name, p.CommandLine, p.VirtualSize, p.CreationDate, p.ExecutablePath, p.Status ] }
    puts "Autumn is running!\n\tName: %s\n\tCommand Line: %s\n\tVirtual Size: %s\n\tStarted: %s\n\tExec Path: %s\n\tStatus: %s" % ours.first
  else
    require "pathname"
    # Check for /proc
    if File.directory?(proc_dir = Pathname.new("/proc"))
      proc_dir = proc_dir.join(pid)
      # If we have a "stat" file, we'll assume linux and get as much info
      # as we can
      if stat_file = proc_dir.join("stat") and stat_file.file?
        stats = File.read(stat_file).split
        puts "Autumn is running!\n\tCommand Line: %s\n\tVirtual Size: %s\n\tStarted: %s\n\tExec Path: %s\n\tStatus: %s" % [
          File.read(proc_dir.join("cmdline")).split("\000").join(" "),
          "%s k" % (stats[22].to_f / 1024),
          File.mtime(proc_dir),
          File.readlink(proc_dir.join("exe")),
          stats[2]
        ]
        exit
      end
    end
    # Fallthrough status, just print a ps
    puts "Autumn process #{pid} is running!"
    begin
      puts %x{ps l #{pid}}
    rescue
      puts "No further information available"
    end
  end
end

#stop(command) ⇒ Object

}}}



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# File 'lib/autumn/tool/bin.rb', line 239

def stop(command) # {{{
  al_root
  require "daemons"
  Daemons.run_proc(Pathname.new(AL_ROOT).basename, :ARGV => ["stop"], :dir_mode => :normal, :dir => "tmp", :multiple => false) do
    start_autumn
  end
end

#usage ⇒ Object

}}}



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# File 'lib/autumn/tool/bin.rb', line 138

def usage # {{{
  txt = [
    "\n  Usage:", 
    "autumn <start|stop|restart|status|create|console> PROJECT [options]\n",
    "Commands:\n",
    " start   - Starts an instance of this application.\n",
    " stop    - Stops a running instance of this application.\n",
    " restart - Stops running instance of this application, then starts it back up.  Pidfile",
    "           (if supplied) is used for both stop and start.\n",
    " status  - Gives status of a running autumn instance\n",
    " create  - Creates a new prototype Autumn application in a directory named PROJECT in",
    "           the current directory.  autumn create foo would make ./foo containing an",
    "           application prototype.\n",
    " console - Starts an irb console with autumn (and irb completion) loaded.",
    "           ARGV is passed on to IRB.\n\n"
  ].join("\n\t")

  txt <<  "* All commands take PROJECT as the directory the autumn bot lives in.\n\n"
  txt << start_options.to_s << "\n"
  txt << create_options.to_s << "\n"
  #if is_windows?
    #txt << %x{ruby #{rackup_path} --help}.split("\n").reject { |line| line.match(/^Usage:/) }.join("\n\t")
  #else
    #txt << %x{#{rackup_path} --help}.split("\n").reject { |line| line.match(/^Usage:/) }.join("\n\t")
  #end
end