move cap tasks into separate files

lib/capistrano/tasks/delayed_job.rake

@@ -0,0 +1,38 @@
+namespace :delayed_job do
+  desc "Start delayed_job process"
+  task :start do
+    on roles(:app) do
+      within current_path do
+        hostname = capture("hostname").strip
+        execute :bundle, "exec", "script/delayed_job", "--queues=default,#{hostname}", "-n 2", "start"
+      end
+    end
+  end
+
+  desc "Stop delayed_job process"
+  task :stop do
+    on roles(:app) do
+      within current_path do
+        execute :bundle, "exec", "script/delayed_job", "stop"
+      end
+    end
+  end
+
+  desc "Restart delayed_job process"
+  task :restart do
+    on roles(:app) do
+      find_and_execute_task("delayed_job:stop")
+      find_and_execute_task("delayed_job:start")
+    end
+  end
+
+  task :kill do
+    on roles(:app) do
+      procs = capture("ps -A -o pid,command").split(/\r\n|\r|\n/).grep(/delayed_job/).map(&:to_i)
+
+      if procs.any?
+        execute "for i in #{procs.join(' ')} ; do kill -s TERM $i ; done"
+      end
+    end
+  end
+end

lib/capistrano/tasks/nginx.rake

@@ -0,0 +1,28 @@
+namespace :nginx do
+  desc "Shut down Nginx"
+  task :stop do
+    on roles(:web) do
+      as :user => "root" do
+        execute "/etc/init.d/nginx", "stop"
+      end
+    end
+  end
+
+  desc "Start Nginx"
+  task :start do
+    on roles(:web) do
+      as :user => "root" do
+        execute "/etc/init.d/nginx", "start"
+      end
+    end
+  end
+
+  desc "Reload Nginx"
+  task :reload do
+    on roles(:web) do
+      as :user => "root" do
+        execute "/etc/init.d/nginx", "reload"
+      end
+    end
+  end
+end

lib/capistrano/tasks/symlink.rake

@@ -0,0 +1,25 @@
+namespace :symlink do
+  desc "Link the local config files"
+  task :local_files do
+    on roles(:app) do
+      execute :ln, "-s", "#{deploy_to}/shared/config/danbooru_local_config.rb", "#{release_path}/config/danbooru_local_config.rb"
+      execute :ln, "-s", "#{deploy_to}/shared/config/database.yml", "#{release_path}/config/database.yml"
+      execute :ln, "-s", "#{deploy_to}/shared/config/newrelic.yml", "#{release_path}/config/newrelic.yml"
+    end
+  end
+
+  desc "Link the local directories"
+  task :directories do
+    on roles(:app) do
+      execute :rm, "-f", "#{release_path}/public/data"
+      execute :ln, "-s", "#{deploy_to}/shared/data", "#{release_path}/public/data"
+
+      execute :mkdir, "-p", "#{release_path}/public/cache"
+      execute :mkdir, "-p", "#{deploy_to}/shared/system/cache"
+      execute :touch, "#{deploy_to}/shared/system/cache/tags.json"
+      execute :ln, "-s", "#{deploy_to}/shared/system/cache/tags.json", "#{release_path}/public/cache/tags.json"
+      execute :touch, "#{deploy_to}/shared/system/cache/tags.json.gz"
+      execute :ln, "-s", "#{deploy_to}/shared/system/cache/tags.json.gz", "#{release_path}/public/cache/tags.json.gz"
+    end
+  end
+end

lib/capistrano/tasks/web.rake

@@ -0,0 +1,21 @@
+namespace :web do
+  desc "Present a maintenance page to visitors."
+  task :disable do
+    on roles(:app) do
+      maintenance_html_path = "#{current_path}/public/maintenance.html.bak"
+      if test("[ -e #{maintenance_html_path} ]")
+        execute :mv, maintenance_html_path, "#{current_path}/public/maintenance.html"
+      end
+    end
+  end
+
+  desc "Makes the application web-accessible again."
+  task :enable do
+    on roles(:app) do
+      maintenance_html_path = "#{current_path}/public/maintenance.html"
+      if test("[ -e #{maintenance_html_path} ]")
+        execute :mv, maintenance_html_path, "#{current_path}/public/maintenance.html.bak"
+      end
+    end
+  end
+end