Deploys Schienen App mit Capistrano Rbenv Einhorn

Question

Ich habe Probleme beim Einhorn Einhorn zu starren. Der Stack-Trace ist das gleiche, als ob ich aus "app_name"/current Verzeichnis ausführen:

Bündel exec Schienen c Produktion

deployer@cloud-number-nine:~/qna/current$ bundle exec rails c production 
[DEPRECATION] the dotenv-deployment gem is deprecated. See https://github.com/bkeepers/dotenv-deployment#readme. 
/home/deployer/qna/releases/20160521190207/app/serializers/votable_serializer.rb:5:in `<class:VotableSerializer>': undefined method `root=' for VotableSerializer:Class (NoMethodError) 
    from /home/deployer/qna/releases/20160521190207/app/serializers/votable_serializer.rb:2:in `<top (required)>' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:274:in `require' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:274:in `block in require' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:240:in `load_dependency' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:274:in `require' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:360:in `require_or_load' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:317:in `depend_on' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:233:in `require_dependency' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/railties-4.2.5/lib/rails/engine.rb:472:in `block (2 levels) in eager_load!' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/railties-4.2.5/lib/rails/engine.rb:471:in `each' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/railties-4.2.5/lib/rails/engine.rb:471:in `block in eager_load!' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/railties-4.2.5/lib/rails/engine.rb:469:in `each' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/railties-4.2.5/lib/rails/engine.rb:469:in `eager_load!' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/railties-4.2.5/lib/rails/engine.rb:346:in `eager_load!' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/railties-4.2.5/lib/rails/application/finisher.rb:56:in `each' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/railties-4.2.5/lib/rails/application/finisher.rb:56:in `block in <module:Finisher>' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/railties-4.2.5/lib/rails/initializable.rb:30:in `instance_exec' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/railties-4.2.5/lib/rails/initializable.rb:30:in `run' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/railties-4.2.5/lib/rails/initializable.rb:55:in `block in run_initializers' 
    from /home/deployer/.rbenv/versions/2.3.0/lib/ruby/2.3.0/tsort.rb:228:in `block in tsort_each' 
    from /home/deployer/.rbenv/versions/2.3.0/lib/ruby/2.3.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component' 
    from /home/deployer/.rbenv/versions/2.3.0/lib/ruby/2.3.0/tsort.rb:431:in `each_strongly_connected_component_from' 
    from /home/deployer/.rbenv/versions/2.3.0/lib/ruby/2.3.0/tsort.rb:349:in `block in each_strongly_connected_component' 
    from /home/deployer/.rbenv/versions/2.3.0/lib/ruby/2.3.0/tsort.rb:347:in `each' 
    from /home/deployer/.rbenv/versions/2.3.0/lib/ruby/2.3.0/tsort.rb:347:in `call' 
    from /home/deployer/.rbenv/versions/2.3.0/lib/ruby/2.3.0/tsort.rb:347:in `each_strongly_connected_component' 
    from /home/deployer/.rbenv/versions/2.3.0/lib/ruby/2.3.0/tsort.rb:226:in `tsort_each' 
    from /home/deployer/.rbenv/versions/2.3.0/lib/ruby/2.3.0/tsort.rb:205:in `tsort_each' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/railties-4.2.5/lib/rails/initializable.rb:54:in `run_initializers' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/railties-4.2.5/lib/rails/application.rb:352:in `initialize!' 
    from /home/deployer/qna/releases/20160521190207/config/environment.rb:5:in `<top (required)>' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:274:in `require' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:274:in `block in require' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:240:in `load_dependency' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/activesupport-4.2.5/lib/active_support/dependencies.rb:274:in `require' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/railties-4.2.5/lib/rails/application.rb:328:in `require_environment!' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:142:in `require_application_and_environment!' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:67:in `console' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:39:in `run_command!' 
    from /home/deployer/qna/shared/bundle/ruby/2.3.0/gems/railties-4.2.5/lib/rails/commands.rb:17:in `<top (required)>' 
    from bin/rails:9:in `require' 
    from bin/rails:9:in `<main>' 

Capfile:

# Load DSL and set up stages 
require 'capistrano/setup' 

# Include default deployment tasks 
require 'capistrano/deploy' 
require 'capistrano/rbenv' 
require 'capistrano/bundler' 
require 'capistrano/rails' 
require 'capistrano/sidekiq' 
require 'capistrano3/unicorn' 
require 'whenever/capistrano' 
require 'thinking_sphinx/capistrano' 

Dir.glob('lib/capistrano/tasks/*.rake').each { |r| import r } 

deploy.rb

# config valid only for current version of Capistrano 
lock '3.5.0' 

set :application, 'qna' 
set :repo_url, 'git@github.com:khataev/qna.git' 

# Default deploy_to directory is /var/www/my_app_name 
set :deploy_to, '/home/deployer/qna' 
set :deploy_user, 'deployer' 

# Default value for :linked_files is [] 
set :linked_files, fetch(:linked_files, []).push('config/database.yml', 'config/private_pub.yml', 'config/private_pub_thin.yml', '.env') 

# Default value for linked_dirs is [] 
set :linked_dirs, fetch(:linked_dirs, []).push('log', 'tmp/pids', 'tmp/cache', 'tmp/sockets', 'public/system', 'vendor/bundle', 'public/uploads') 

# rbenv 
set :rbenv_type, :user # or :system, depends on your rbenv setup 
set :rbenv_ruby, '2.3.0' 

set :rbenv_prefix, "RBENV_ROOT=#{fetch(:rbenv_path)} RBENV_VERSION=#{fetch(:rbenv_ruby)} #{fetch(:rbenv_path)}/bin/rbenv exec" 
# set :rbenv_map_bins, %w(rake gem bundle ruby rails) 
set :rbenv_roles, :all # default value 
set :bundle_binstubs, nil 

namespace :deploy do 
    desc 'Restart application' 
    task :restart do 
    on roles(:app), in: :sequence, wait: 5 do 
     # execute :touch, release_path.join('tmp/restart.txt') 
     invoke 'unicorn:restart' 
    end 
    end 

    after :publishing, :restart 
end 

namespace :private_pub do 
    desc 'Start private_pub server' 
    task :start do 
    on roles(:app) do 
     within current_path do 
     with rails_env: fetch(:rails_env) do 
      execute :bundle, 'exec thin -C config/private_pub_thin.yml start' 
     end 
     end 
    end 
    end 

    desc 'Stop private_pub server' 
    task :stop do 
    on roles(:app) do 
     within current_path do 
     with rails_env: fetch(:rails_env) do 
      execute :bundle, 'exec thin -C config/private_pub_thin.yml stop' 
     end 
     end 
    end 
    end 

    desc 'Restart private_pub server' 
    task :restart do 
    on roles(:app) do 
     within current_path do 
     with rails_env: fetch(:rails_env) do 
      execute :bundle, 'exec thin -C config/private_pub_thin.yml restart' 
     end 
     end 
    end 
    end 
end 

after 'deploy:restart', 'private_pub:restart' 
after 'deploy:restart', 'thinking_sphinx:restart' 

Einhorn/production.rb

# paths 
app_path = '/home/deployer/qna' 
working_directory "#{app_path}/current" 
pid    "#{app_path}/current/tmp/pids/unicorn.pid" 

# listen 
listen '/tmp/unicorn.qna.sock', backlog: 64 

# logging 
stderr_path 'log/unicorn.stderr.log' 
stdout_path 'log/unicorn.stdout.log' 

# workers 
worker_processes 2 

# use correct Gemfile on restarts 
before_exec do |_server| 
    ENV['BUNDLE_GEMFILE'] = "#{app_path}/current/Gemfile" 
end 

# preload 
preload_app true 

before_fork do |server, _worker| 
    # the following is highly recomended for Rails + "preload_app true" 
    # as there's no need for the master process to hold a connection 
    ActiveRecord::Base.connection.disconnect! if defined?(ActiveRecord::Base) 

    # Before forking, kill the master process that belongs to the .oldbin PID. 
    # This enables 0 downtime deploys. 
    old_pid = "#{server.config[:pid]}.oldbin" 
    if File.exist?(old_pid) && server.pid != old_pid 
    begin 
     Process.kill('QUIT', File.read(old_pid).to_i) 
    rescue Errno::ENOENT, Errno::ESRCH 
     # someone else did our job for us 
    end 
    end 
end 

after_fork do |_server, _worker| 
    ActiveRecord::Base.establish_connection if defined?(ActiveRecord::Base) 
end 

votable serializer

Meine Meinung, dass Problem zwischen rbenv liegt und Einhorn, aber ich bin shure nicht ...

Answer 1

Ich glaube, dass das Problem tatsächlich ist nicht bezogen auf Einhorn. In einem Kommentar oben sagten Sie, dass "es keine Probleme in der Produktion verursacht, bis ich vom Passagier zum Einhorn migrieren wollte". Aber, die Verpflichtung, zu Unicorn reveals zu wechseln, dass während dieses Schrittes der active_model_serializers Edelstein von Version 0.9.5 zu 0.10.0 verbessert worden ist.

Dies erweist sich für Ihre Serializer bedeutend zu sein, wie es, dass das Verfahren self.root= scheint nicht mehr im Kontextklasse verwendet werden - es ist jetzt ein normales attr_accessor in der ActiveModel::Serializer Klasse, das heißt, wenn überhaupt, dann sollte es sein im Instanzkontext verwendet. Siehe die old version gegen die new version.

Wie auch immer, wenn Sie einfach nicht die Wurzel hinzufügen möchten, wenn Sie das Objekt serialisieren, sollten Sie einfach auf die - jetzt Standard - AttributesAdapter wechseln können. Sie können die adapter: :attributes wenn rendering the objects in Ihrem Controller verwenden.