new rake task for generating resized images

lib/tasks/images.rake

@@ -0,0 +1,42 @@
+namespace :images do
+  desc "Generate medium-sized images of posts"
+  task :generate_medium => :environment do
+    Post.where("width > ?", Danbooru.config.medium_image_width).find_each do |post|
+      if post.is_image?
+        puts "resizing medium #{post.id}"
+        Danbooru.resize(post.file_path, post.medium_file_path, Danbooru.config.medium_image_width, nil, 90)
+      end
+    end
+  end
+
+  desc "Generate large-sized images of posts"
+  task :generate_large => :environment do
+    Post.where("width > ?", Danbooru.config.large_image_width).find_each do |post|
+      if post.is_image?
+        puts "resizing large #{post.id}"
+        Danbooru.resize(post.file_path, post.large_file_path, Danbooru.config.large_image_width, nil, 90)
+      end
+    end
+  end
+  
+  desc "Distribute medium posts to other servers"
+  task :distribute_medium => :environment do
+    Post.where("width > ?", Danbooru.config.medium_image_width).find_each do |post|
+      if post.is_image?
+        puts "distributing medium #{post.id}"
+        RemoteFileManager.new(post.medium_file_path).distribute
+      end
+    end
+  end
+
+  desc "Distribute large posts to other servers"
+  task :distribute_large => :environment do
+    Post.where("width > ?", Danbooru.config.large_image_width).find_each do |post|
+      if post.is_image?
+        puts "distributing large #{post.id}"
+        RemoteFileManager.new(post.large_file_path).distribute
+      end
+    end
+  end
+end
+

script/setup_directories.sh

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+#!/usr/bin/env bash
+
+# this should be run after the initial capistrano deployment
+
+mv /var/www/danbooru/public/data/sample /var/www/danbooru/shared/large
+mv /var/www/danbooru/public/data/preview /var/www/danbooru/shared/preview
+mv /var/www/danbooru/public/data /var/www/danbooru/shared/original
+mkdir -p /var/www/danbooru/shared/medium
+