Class: Ramaze::Bin::Stop

Inherits:
Object show all
Includes:
Helper
Defined in:
lib/ramaze/bin/stop.rb

Overview

Stops a running instance of Ramaze by killing it's process. The PID of this process can be supplied via the command line. If no PID is given this command tries to find it in the current directory. If the latter is the case this command tries to find a file of which the name matches the name of the current directory.

Usage

ramaze stop
ramaze stop /home/foobar/projects/ramaze/ramaze.pid

Author:

Since:

Constant Summary

Description =

The description of this command, shown when the global help menu is displayed.

Since:

  • 21-07-2011

'Stops a running instance of Ramaze'
<<-TXT.strip
Stops a running instance of Ramaze by killing it's process using a PID. If no
PID is given this command tries to look for it in the current directory.

Usage:
  ramaze stop [PID] [OPTIONS]

Example:
  ramaze stop /home/foobar/projects/ramaze/ramaze.pid
TXT

Instance Method Summary (collapse)

Methods included from Helper

#is_running?, #is_windows?, #rackup_path

Constructor Details

- (Stop) initialize

Creates a new instance of the command and sets all the OptionParser options.

Author:

  • Yorick Peterse

Since:

  • 21-07-2011



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# File 'lib/ramaze/bin/stop.rb', line 46

def initialize
  @options = OptionParser.new do |opt|
    opt.banner         = Banner
    opt.summary_indent = '  '

    opt.separator "\nOptions:\n"

    opt.on('-h', '--help', 'Shows this help message') do
      puts @options
      exit
    end
  end
end

Instance Method Details

- (Object) run(argv = [])

Runs the command based on the specified command line arguments.

Parameters:

  • argv (Array) (defaults to: []) —

    Array containing all the command line arguments.

Author:

  • Yorick Peterse

  • TJ Vanderpoel

Since:

  • 21-07-2011



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# File 'lib/ramaze/bin/stop.rb', line 68

def run(argv = [])
  @options.parse!(argv)

  pid_path = argv.delete_at(0)
  dirname  = Pathname.new('.').expand_path.basename.to_s
  pid_path = File.join(Dir.pwd, dirname + '.pid') if pid_path.nil?

  if File.directory?(pid_path)
    pid_path = File.join(pid_path, File.basename(pid_path) + '.pid')
  end

  pid_path = Pathname.new(pid_path).expand_path.to_s

  if !File.exist?(pid_path)
    abort "The PID #{pid_path} does not exist"
  end

  pid = File.read(pid_path).to_i
  puts 'Stopping the process using SIGINT'

  begin
    Process.kill('INT', pid)
  rescue => e
    abort "Failed to kill the process: #{e.message}"
  end

  sleep(2)

  # Verify that the process has been killed
  if is_running?(pid_path)
    $stderr.puts "The process is still running, let's kill it with -9"

    begin
      Process.kill(9, pid)
    rescue => e
      abort "Failed to kill the process: #{e.message}"
    end
  end

  File.unlink(pid_path) if File.exist?(pid_path)
  puts 'Ramazement has ended, go in peace.'
end