Module: Standup

Defined in:
lib/standup.rb,
lib/standup/node.rb,
lib/standup/version.rb,
lib/standup/ec2/base.rb,
lib/standup/remoting.rb,
lib/standup/settings.rb,
lib/standup/settings.rb,
lib/standup/ec2/volume.rb,
lib/standup/ec2/instance.rb,
lib/standup/scripts/base.rb,
lib/standup/scripts/node.rb,
lib/standup/ec2/elastic_ip.rb,
lib/standup/ec2/security_group.rb

Defined Under Namespace

Modules: EC2, Scripts Classes: Node, Remoting, Settings

Constant Summary collapse

VERSION = 
'0.6.9'

Class Method Summary collapse

Class Method Details

.conf_scripts_path ⇒ Object 



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# File 'lib/standup.rb', line 33

def self.conf_scripts_path
  File.expand_path("#{Settings.conf_scripts_path}/config/standup") rescue nil
end

.gem_scripts_path ⇒ Object 



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# File 'lib/standup.rb', line 25

def self.gem_scripts_path
  File.expand_path('../../scripts',  __FILE__)
end

.local_scripts_path ⇒ Object 



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# File 'lib/standup.rb', line 29

def self.local_scripts_path
  File.expand_path('config/standup') rescue nil
end

.nodes ⇒ Object 



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# File 'lib/standup.rb', line 21

def self.nodes
  Settings.nodes.keys.map{|name| Node.new name}
end

.run_from_command_line ⇒ Object 



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# File 'lib/standup.rb', line 68

def self.run_from_command_line
  if File.exists?('Gemfile') && !ENV['BUNDLE_GEMFILE']
    Kernel.exec "bundle exec standup #{ARGV.join(' ')}"
  end
  
  opt_parser = Trollop::Parser.new do
    version "Standup #{Standup.version} (c) 2010 Ilia Ablamonov, Artem Orlov, Cloud Castle Inc."

    banner 'Standup is an application deployment and infrastructure management tool for Rails and Amazon EC2.'
    banner ''
    banner 'Usage:'
    banner '       standup [options] <script> [script arguments]'
    banner ''
    banner 'where <script> is one of the following:'
    banner ''

    offset = Standup.scripts.keys.map(&:length).max + 2
    Standup.scripts.keys.sort.each do |name|
      banner "#{"%-#{offset}s" % name} #{Standup.scripts[name].description}"
    end

    banner ''
    banner "and [options] are:"
    banner ''

    stop_on Standup.scripts.keys
  end

  Trollop::with_standard_exception_handling opt_parser do
   opt_parser.parse ARGV
   raise Trollop::HelpNeeded if ARGV.empty?
  end

  script_name = ARGV.shift
  script = Standup.scripts[script_name]

  if script
    script.execute
  else
    opt_parser.die "unknown script #{script_name}", nil
  end
end

.script(type = :node, &block) ⇒ Object 



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# File 'lib/standup.rb', line 51

def self.script type = :node, &block
  name = eval("__FILE__", block.binding).match(/([^\/]*)\.rb$/)[1]
  superclass = scripts[name] || case type
    when :node
      Scripts::Node
    when :local
      Scripts::Base
    else
      raise ArgumentError, "Unknown script type #{type}"
  end
  script_class = Class.new(superclass, &block)
  script_class.name = name
  Standup::Scripts.send(:remove_const, name.camelize) if scripts[name]
  Standup::Scripts.const_set name.camelize, script_class
  scripts[name] = script_class
end

.scripts ⇒ Object 



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# File 'lib/standup.rb', line 37

def self.scripts
  unless class_variable_defined? :@@scripts
    @@scripts = {}
    [gem_scripts_path, conf_scripts_path, local_scripts_path].compact.each do |dir|
      Dir.foreach dir do |name|
        next unless File.file? "#{dir}/#{name}"
        next unless name =~ /\.rb$/
        load "#{dir}/#{name}", true
      end if dir && File.exists?(dir)
    end
  end
  @@scripts
end

.version ⇒ Object 



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# File 'lib/standup/version.rb', line 4

def self.version
  VERSION
end