Add daemon_spawn

rpi/.gitignore

@@ -1,2 +1,5 @@
 .bundle
-.env
+.env
+tmp/
+log/
+

rpi/Gemfile

@@ -8,3 +8,5 @@ gem 'aws-sdk'
 gem 'whenever'
 gem 'rake'
 gem 'iremocon'
+gem 'daemon-spawn'
+

rpi/Gemfile.lock

@@ -19,6 +19,7 @@ GEM
       uuidtools (~> 2.1)
     chronic (0.10.2)
     coderay (1.1.0)
+    daemon-spawn (0.4.2)
     dotenv (0.9.0)
     extlib (0.9.16)
     faraday (0.9.0)
@@ -74,6 +75,7 @@ PLATFORMS
 DEPENDENCIES
   activesupport
   aws-sdk
+  daemon-spawn
   dotenv
   google-api-client
   iremocon

rpi/Rakefile

@@ -8,9 +8,3 @@ namespace :calendar do
   end
 end
 
-namespace :manager do
-  desc 'start manager'
-  task :start do
-    ElectronicsManager.new.start
-  end
-end

rpi/electronics_manager.rb

@@ -1,15 +1,16 @@
 require 'yaml'
 require 'iremocon'
+require 'daemon_spawn'
+require 'aws-sdk'
+require 'dotenv'; Dotenv.load!
+require 'active_support/all'
 
-class ElectronicsManager
-  def initialize
+class ElectronicsManager < DaemonSpawn::Base
+  def start(args)
     @settings = YAML.load_file('settings.yml')
     @iremocon = Iremocon.new(@settings['iremocon']['address'])
-  end
 
-  def start
     puts 'start manager'
-    Process.daemon
     loop do
       queue.poll(idle_timeout: 60) do |message|
         ray_number = commands[message.body]
@@ -24,6 +25,9 @@ def start
     end
   end
 
+  def stop
+  end 
+
 private
 
   def commands
@@ -38,3 +42,11 @@ def queue
     ).queues[ENV['SQS_URL']]
   end
 end
+
+ElectronicsManager.spawn!({
+  working_dir: __dir__, 
+  pid_file:    File.expand_path(__dir__ + '/tmp/manager.pid'),
+  log_file:    File.expand_path(__dir__ + '/log/manager.log'),
+  sync_log:    true,
+  singleton:   true 
+})