Class: ForemanDebian::Initd::Engine

Inherits:
Object
  • Object
show all
Includes:
EngineHelper
Defined in:
lib/foreman_debian/initd/engine.rb

Instance Method Summary collapse

Methods included from EngineHelper

#cleanup, #each_file, #exec_command, #export_file, #get_files, #pidfile, #setup

Constructor Details

#initialize(app, export_path = nil) ⇒ Engine

Returns a new instance of Engine.



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# File 'lib/foreman_debian/initd/engine.rb', line 7

def initialize(app, export_path = nil)
  @app = app
  @export_path = Pathname.new(export_path || '/etc/init.d')
  @system_export_path = Pathname.new('/etc/init.d')
  setup
end

Instance Method Details

#create_script(name, command, user) ⇒ Object 



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# File 'lib/foreman_debian/initd/engine.rb', line 14

def create_script(name, command, user)
  pidfile = pidfile(name)
  args = Shellwords.split(command)
  script = args.shift
  name = "#{@app}-#{name}"
  script_path = @export_path.join(name)
  Script.new(script_path, name, name, user, script, args, pidfile)
end

#disable_start_process_on_boot(path) ⇒ Object 



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# File 'lib/foreman_debian/initd/engine.rb', line 68

def disable_start_process_on_boot(path)
  exec_command("update-rc.d -f #{path.basename} remove") if path.dirname.eql? @system_export_path
end

#enable_start_process_on_boot(path) ⇒ Object 



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# File 'lib/foreman_debian/initd/engine.rb', line 64

def enable_start_process_on_boot(path)
  exec_command("update-rc.d #{path.basename} defaults") if path.dirname.eql? @system_export_path
end

#install(script) ⇒ Object 



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# File 'lib/foreman_debian/initd/engine.rb', line 23

def install(script)
  FileUtils.mkdir_p(script.path.dirname)
  File.open(script.path, 'w') do |file|
    file.puts(script.render)
    file.chmod(0755)
    export_file(script.path)
  end
end

#remove_file(path) ⇒ Object 



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# File 'lib/foreman_debian/initd/engine.rb', line 72

def remove_file(path)
  stop_process(path)
  disable_start_process_on_boot(path)
  super(path)
end

#start ⇒ Object 



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# File 'lib/foreman_debian/initd/engine.rb', line 32

def start
  threads = []
  each_file do |path|
    threads << Thread.new do
      start_process(path)
      @output.info "  start  #{path.to_s}"
    end
    enable_start_process_on_boot(path)
  end
  ThreadsWait.all_waits(*threads)
end

#start_process(path) ⇒ Object 



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# File 'lib/foreman_debian/initd/engine.rb', line 56

def start_process(path)
  exec_command("#{path.to_s} start")
end

#stop ⇒ Object 



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# File 'lib/foreman_debian/initd/engine.rb', line 44

def stop
  threads = []
  each_file do |path|
    @output.info "   stop  #{path.to_s}"
    threads << Thread.new do
      stop_process(path)
    end
    disable_start_process_on_boot(path)
  end
  ThreadsWait.all_waits(*threads)
end

#stop_process(path) ⇒ Object 



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# File 'lib/foreman_debian/initd/engine.rb', line 60

def stop_process(path)
  exec_command("#{path.to_s} stop")
end