From 07d49f54067cfb8666f650323c7ffefe1e860b24 Mon Sep 17 00:00:00 2001
From: Stefan Wintermeyer <stefan.wintermeyer@amooma.de>
Date: Wed, 6 Feb 2013 16:03:43 +0100
Subject: Use CarrierWave to store the backup file.

---
 app/models/backup_job.rb              | 27 ++++++++++++-----
 app/uploaders/backup_file_uploader.rb | 55 +++++++++++++++++++++++++++++++++++
 2 files changed, 74 insertions(+), 8 deletions(-)
 create mode 100644 app/uploaders/backup_file_uploader.rb

(limited to 'app')

diff --git a/app/models/backup_job.rb b/app/models/backup_job.rb
index c9bde2b..c1f12e4 100644
--- a/app/models/backup_job.rb
+++ b/app/models/backup_job.rb
@@ -1,6 +1,8 @@
 class BackupJob < ActiveRecord::Base
   attr_accessible :started_at, :finished_at, :state, :directory, :size_of_the_backup
 
+  mount_uploader :backup_file, BackupFileUploader
+
   before_create :set_state_to_queued
   after_create :initiate_backup
   after_destroy :delete_the_backup_directory
@@ -16,17 +18,26 @@ class BackupJob < ActiveRecord::Base
   end
 
   def make_a_backup
+    backup_directory = '/var/backups/GS5'
+    backup_name_prefix = 'GS5-backup-'
     if self.finished_at.nil? && self.state == 'queued'
       self.state = 'running'
       self.save
-      original_directories = Dir.glob('/var/backups/GS5/*')
+      original_directories = Dir.glob("#{backup_directory}/*")
       system "backup perform --trigger GS5 --config_file #{Rails.root.join('config','backup.rb')}"
-      self.directory = (Dir.glob('/var/backups/GS5/*') - original_directories).first
-      if self.directory.blank?
+      tmp_backup_directory = (Dir.glob("#{backup_directory}/*") - original_directories).first
+      if tmp_backup_directory.blank?
         self.state = 'failed'
       else
-        file = File::Stat.new(self.directory)
+        system "cd #{backup_directory} && tar czf #{backup_name_prefix}#{tmp_backup_directory}.tar.gz #{tmp_backup_directory}"
+        require 'fileutils'
+        FileUtils.rm_rf tmp_backup_directory
+        file = File::Stat.new("#{backup_directory}/#{backup_name_prefix}#{tmp_backup_directory}.tar.gz")
+
         self.size_of_the_backup = file.size
+
+        self.backup_file = File.open("#{backup_directory}/#{backup_name_prefix}#{tmp_backup_directory}.tar.gz")
+
         self.finished_at = Time.now
         self.state = 'successful'
       end
@@ -35,9 +46,9 @@ class BackupJob < ActiveRecord::Base
   end
 
   def delete_the_backup_directory
-    if !self.directory.blank?
-      require 'fileutils'
-      FileUtils.rm_rf self.directory
-    end
+    # if !tmp_backup_directory.blank?
+    #   require 'fileutils'
+    #   FileUtils.rm_rf tmp_backup_directory
+    # end
   end
 end
diff --git a/app/uploaders/backup_file_uploader.rb b/app/uploaders/backup_file_uploader.rb
new file mode 100644
index 0000000..8b126a9
--- /dev/null
+++ b/app/uploaders/backup_file_uploader.rb
@@ -0,0 +1,55 @@
+# encoding: utf-8
+
+class BackupFileUploader < CarrierWave::Uploader::Base
+
+  # Include RMagick or MiniMagick support:
+  # include CarrierWave::RMagick
+  # include CarrierWave::MiniMagick
+
+  # Include the Sprockets helpers for Rails 3.1+ asset pipeline compatibility:
+  # include Sprockets::Helpers::RailsHelper
+  # include Sprockets::Helpers::IsolatedHelper
+
+  # Choose what kind of storage to use for this uploader:
+  storage :file
+  # storage :fog
+
+  # Override the directory where uploaded files will be stored.
+  # This is a sensible default for uploaders that are meant to be mounted:
+  def store_dir
+    "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
+  end
+
+  # Provide a default URL as a default if there hasn't been a file uploaded:
+  # def default_url
+  #   # For Rails 3.1+ asset pipeline compatibility:
+  #   # asset_path("fallback/" + [version_name, "default.png"].compact.join('_'))
+  #
+  #   "/images/fallback/" + [version_name, "default.png"].compact.join('_')
+  # end
+
+  # Process files as they are uploaded:
+  # process :scale => [200, 300]
+  #
+  # def scale(width, height)
+  #   # do something
+  # end
+
+  # Create different versions of your uploaded files:
+  # version :thumb do
+  #   process :scale => [50, 50]
+  # end
+
+  # Add a white list of extensions which are allowed to be uploaded.
+  # For images you might use something like this:
+  # def extension_white_list
+  #   %w(jpg jpeg gif png)
+  # end
+
+  # Override the filename of the uploaded files:
+  # Avoid using model.id or version_name here, see uploader/store.rb for details.
+  # def filename
+  #   "something.jpg" if original_filename
+  # end
+
+end
-- 
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