Class: Smartguard::Applications::Smartkiosk

Inherits:
Smartguard::Application show all
Defined in:
lib/smartguard/applications/smartkiosk.rb,
lib/smartguard/applications/smartkiosk/web.rb,
lib/smartguard/applications/smartkiosk/sidekiq.rb,
lib/smartguard/applications/smartkiosk/scheduler.rb,
lib/smartguard/applications/smartkiosk/smartware.rb

Defined Under Namespace

Classes: Scheduler, Sidekiq, Smartware, Web

Instance Attribute Summary

Attributes inherited from Smartguard::Application

#active_path, #current_path, #releases_path, #shared_path

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Smartkiosk

Returns a new instance of Smartkiosk.



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# File 'lib/smartguard/applications/smartkiosk.rb', line 4

def initialize(*args)
  super

  if Smartguard.environment == :production
    @head_path = @base_path.join('head')
  else
    @head_path = @base_path
  end

  @services = {
    smartware: Smartware.new(wrap_path),
    sidekiq: Sidekiq.new(wrap_path),
    web: Web.new(wrap_path),
    scheduler: Scheduler.new(wrap_path),
  }
end

Instance Method Details

#reboot ⇒ Object 



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# File 'lib/smartguard/applications/smartkiosk.rb', line 45

def reboot
  stop_services
  ::Process.spawn 'reboot'
end

#reboot_async ⇒ Object 



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# File 'lib/smartguard/applications/smartkiosk.rb', line 50

def reboot_async
  Thread.new{ self.reboot }
  true
end

#restart(path = nil) ⇒ Object 



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# File 'lib/smartguard/applications/smartkiosk.rb', line 35

def restart(path=nil)
  stop_services(path)
  start_services(path)
end

#restart_async(path = nil) ⇒ Object 



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# File 'lib/smartguard/applications/smartkiosk.rb', line 40

def restart_async(path=nil)
  Thread.new{ self.restart(path) }
  true
end

#services ⇒ Object 



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# File 'lib/smartguard/applications/smartkiosk.rb', line 21

def services
  @services.keys
end

#start_services(path = nil, &block) ⇒ Object 



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# File 'lib/smartguard/applications/smartkiosk.rb', line 114

def start_services(path=nil, &block)
  @services.each do |key, service|
    service.path = wrap_path path

    if !service.active?
      if !service.start && block_given?
        Logging.logger.debug "Startup of #{key} failed: running safety block"
        yield
        return false
      end
    end
  end
end

#status ⇒ Object 



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# File 'lib/smartguard/applications/smartkiosk.rb', line 25

def status
  data = {}

  @services.each do |key, service|
    data[key] = [ service.pid, service.active? ]
  end

  data
end

#stop_services(path = nil) ⇒ Object 



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# File 'lib/smartguard/applications/smartkiosk.rb', line 128

def stop_services(path=nil)
  @services.each do |key, service|
    service.path = wrap_path path

    service.stop if service.active?
  end
end

#switch_release(release) ⇒ Object 



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# File 'lib/smartguard/applications/smartkiosk.rb', line 55

def switch_release(release)
  if Smartguard.environment != :production
    raise "Release switching is only supported in the production environment."
  end

  release = release.is_a?(Symbol) ? @releases_path.join(release.to_s)
                                  : @base_path.join(release)

  raise "Release doesn't exist: #{release.to_s}" unless File.exist? release

  FileUtils.mkdir_p "#{release}/tmp/pids"
  FileUtils.mkdir_p "#{release}/log"

  FileUtils.cd(release) do
    Logging.logger.info "Symlinking"
    FileUtils.rm_rf "config/services"
    FileUtils.rm_rf "public/uploads"
    FileUtils.ln_s "#{@shared_path.join 'config'}", "config/services"
    FileUtils.ln_s "#{@shared_path.join 'uploads'}", "public/uploads"

    FileUtils.rm_f "config/database.yml"
    FileUtils.ln_s "services/database.yml", "config/database.yml"

    Logging.logger.info "Installing release gems"
    if !system("bundle", "install")
      raise "bundle failed"
    end

    Logging.logger.info "Migrating database"
    if !system("bundle", "exec", "rake", "db:migrate", "--trace", "RACK_ENV=production")
      raise "migration failed"
    end
  end

  self.stop_services

  Logging.logger.info "Switching symlink from `#{@active_path}` to `#{release}`"
  File.delete @current_path if File.symlink? @current_path
  FileUtils.ln_s(release, @current_path)

  @active_path = release if self.start_services do
    Logging.logger.warn "New release `#{release}` did not start!"
    self.stop_services

    Logging.logger.info "Switching symlink back to `#{@active_path}`"
    File.delete @current_path
    FileUtils.ln_s @active_path, @current_path

    self.start_services

    raise "startup failed"
  end
end

#switch_release_async(release) ⇒ Object 



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# File 'lib/smartguard/applications/smartkiosk.rb', line 109

def switch_release_async(release)
  Thread.new{ switch_release(release) }
  true
end