Add whenever and zonefile methods

.gitignore

@@ -12,6 +12,7 @@ capybara-*.html
 config/initializers/secret_token.rb
 config/secrets.yml
 config/database.yml
+/export
 
 ## Environment normalisation:
 /.bundle

Gemfile

@@ -75,6 +75,9 @@ gem 'delayed_job_active_record', '~> 4.0.2'
 # to process delayed jobs
 gem 'daemons'
 
+# cron
+gem 'whenever', '~> 0.9.4', require: false
+
 group :development, :test do
   # for inserting dummy data
   gem 'activerecord-import', '~> 0.6.0'

Gemfile.lock

@@ -69,6 +69,7 @@ GEM
       xpath (~> 2.0)
     celluloid (0.16.0)
       timers (~> 4.0.0)
+    chronic (0.10.2)
     cliver (0.3.2)
     coderay (1.1.0)
     coercible (1.0.0)
@@ -353,6 +354,8 @@ GEM
       railties (~> 4.0)
       sprockets-rails (>= 2.0, < 4.0)
     websocket-driver (0.3.5)
+    whenever (0.9.4)
+      chronic (>= 0.6.3)
     xpath (2.0.0)
       nokogiri (~> 1.3)
 
@@ -412,3 +415,4 @@ DEPENDENCIES
   unicorn
   uuidtools (~> 2.1.4)
   web-console (~> 2.0.0.beta4)
+  whenever (~> 0.9.4)

app/models/zonefile_setting.rb

@@ -1,6 +1,22 @@
 class ZonefileSetting < ActiveRecord::Base
   validates :origin, :ttl, :refresh, :retry, :expire, :minimum_ttl, :email, presence: true
   validates :ttl, :refresh, :retry, :expire, :minimum_ttl, numericality: { only_integer: true }
+
+  def self.generate_zonefiles
+    pluck(:origin).each do |origin|
+      generate_zonefile(origin)
+    end
+  end
+
+  def self.generate_zonefile(origin)
+    zf = ActiveRecord::Base.connection.execute(
+      "select generate_zonefile('#{origin}')"
+    )[0]['generate_zonefile']
+
+    filename = "#{origin}.zone"
+    File.open("#{APP_CONFIG['zonefile_export_dir']}/#{filename}", 'w') { |f| f.write(zf) }
+  end
+
   def to_s
     origin
   end

config/application.yml

@@ -1,5 +1,6 @@
 defaults: &defaults
   app_name: .EE Registry
+  zonefile_export_dir: 'export/zonefiles'
 
 development:
   <<: *defaults

config/deploy.rb

@@ -1,6 +1,7 @@
 require 'mina/bundler'
 require 'mina/rails'
 require 'mina/git'
+require 'mina/whenever'
 # require 'mina/rbenv'  # for rbenv support. (http://rbenv.org)
 # require 'mina/rvm'    # for rvm support. (http://rvm.io)
 
@@ -31,7 +32,8 @@ set :shared_paths, [
   'config/database.yml',
   'config/secrets.yml',
   'log',
-  'public/system'
+  'public/system',
+  'export/zonefiles'
 ]
 
 # Optional settings:
@@ -68,6 +70,9 @@ task setup: :environment do
   queue! %(mkdir -p "#{deploy_to}/shared/public/system")
   queue! %(chmod g+rx,u+rwx "#{deploy_to}/shared/public/system")
 
+  queue! %(mkdir -p "#{deploy_to}/shared/export/zonefiles")
+  queue! %(chmod g+rx,u+rwx "#{deploy_to}/shared/export/zonefiles")
+
   queue! %(touch "#{deploy_to}/shared/config/database.yml")
   queue %(echo '-----> Be sure to edit 'shared/config/database.yml'.')
 end
@@ -82,6 +87,7 @@ task deploy: :environment do
     invoke :'bundle:install'
     invoke :'rails:db_migrate'
     invoke :'rails:assets_precompile'
+    invoke :'whenever:update'
 
     to :launch do
       queue "mkdir -p #{deploy_to}/current/tmp; touch #{deploy_to}/current/tmp/restart.txt"

config/schedule.rb

@@ -0,0 +1,24 @@
+# Use this file to easily define all of your cron jobs.
+#
+# It's helpful, but not entirely necessary to understand cron before proceeding.
+# http://en.wikipedia.org/wiki/Cron
+
+# Example:
+#
+# set :output, "/path/to/my/cron_log.log"
+#
+# every 2.hours do
+#   command "/usr/bin/some_great_command"
+#   runner "MyModel.some_method"
+#   rake "some:great:rake:task"
+# end
+#
+# every 4.days do
+#   runner "AnotherModel.prune_old_records"
+# end
+
+every 10.minutes do
+  runner 'ZonefileSetting.generate_zonefiles'
+end
+
+# Learn more: http://github.com/javan/whenever