Add a scroll for deployment with AppScrolls

[#27824317]

depends on drnic/appscrolls#14 drnic/appscrolls#12

Author: grk

scrolls/shellycloud.rb

@@ -0,0 +1,82 @@
+@name = File.basename(File.expand_path("."))
+
+gem_group :development do
+  gem 'shelly', '>= 0.0.62'
+end
+
+# check if user has account on shelly
+`shelly list`
+if $? != 0
+  say_custom "shellycloud", "Please log in or register with Shelly Cloud."
+  say_custom "shellycloud", "You can do that by running `shelly login` or `shelly register`"
+  exit 1
+end
+
+required_dbs = %w[postgresql mongodb redis]
+required_app_servers = %w[thin]
+
+selected_db = required_dbs.find { |db| scroll? db }
+unless selected_db
+  say_custom "shellycloud", "Please include a DB choice from: #{required_dbs.join ", "}"
+  exit_now = true
+end
+
+selected_app_server = required_app_servers.find { |app| scroll? app }
+unless selected_app_server
+  say_custom "shellycloud", "Please include an App Server choice from: #{required_app_servers.join ", "}"
+  exit_now = true
+end
+
+exit 1 if exit_now
+
+after_everything do
+  framework_env = multiple_choice "Which framework environment?", [
+    ['Production', 'production'],
+    ['Staging', 'staging']
+  ]
+
+  app_name = (@repo_name && @repo_name.size > 0) ? @repo_name : @name
+  app_name.gsub!(/\W/, '') # only letters and numbers
+  app_name.gsub!("_", "-")
+
+  instance_size = "large"
+  if framework_env == "production"
+    say_custom "shellycloud", "Using large instances for production environment"
+  else
+    say_custom "shellycloud", "Using small instances for staging environment"
+    instance_size = "small"
+  end
+
+  code_name = "#{app_name}-#{framework_env}"
+
+  name = File.basename(".")
+  command =  "bundle exec shelly add --code_name #{code_name} "
+  command += "--databases=#{selected_db} " if selected_db
+  command += "--size=#{instance_size}"
+
+  run command
+
+  say_custom "shellycloud", "Adding Cloudfile to your repo"
+  run "git add Cloudfile"
+  run "git commit -m 'Added Cloudfile'"
+
+  say_custom "shellycloud", "Pushing code to Shelly Cloud"
+  sleep(5) # sleep for ssh key to generate on shelly
+  run "git push #{code_name} master"
+
+  say_custom "shellycloud", "Your application in now configured for Shelly Cloud"
+  say_custom "shellycloud", "You can start it by running `shelly start`."
+  say_custom "shellycloud", "For more information, check https://shellycloud.com/documentation"
+end
+
+__END__
+
+name: Shelly Cloud
+description: Ruby Cloud Hosting in Europe
+author: grk
+
+category: deployment
+exclusive: deployment
+
+requires: [compile_assets, serve_static_assets, git, thin]
+run_after: [git]