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NoMethodError: undefined method `map' for :roles:Symbol in Capistrano 3

I'm trying to upgrade some of my Ruby on Rails projects from Capistrano 2.x to Capistrano 3.x.

I followed this great tutorial to setup configuration files. My configuration files looks like this:

Capfile

require 'capistrano/setup'
require 'capistrano/deploy'

require 'capistrano/rails'

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

deploy.rb

lock '3.4.0'

set :scm, :git
set :deploy_user, "deploy"
set :repo_url, "git_url"

set :application, "app_name"
set :local_app, "193/#{application}"
set :deploy_to, "/home/#{deploy_user}/rails/#{application}"

set :pty, true
set :ssh_options, {:forward_agent => true}

set :linked_files, %w{config/database.yml config/secrets.yml}
set :linked_dirs, %w{log tmp/pids tmp/cache tmp/sockets vendor/bundle public/system}


###
# BBDD settings
#

set :db_passwd, "db_password"
set :db_name, "db_name_production"

deploy/production.rb

set :stage, :production
set :rails_env, :production

set :server_ip, "xxx.xxx.xxx.xxx"

server server_ip, user: 'deploy', roles: %w{web app db}

role :app, server_ip
role :web, server_ip
role :db,  server_ip, :primary => true

Now, when I try to show my Capistrano tasks or when I try to deploy my project, Capistrano throws me an error.

(Backtrace restricted to imported tasks) cap aborted! NoMethodError: undefined method `map' for :roles:Symbol

(See full trace by running task with --trace)

enter image description here

I spent one day Googling with no results. Any idea?

EDIT

cap production deploy:setup --trace

cap aborted!
NoMethodError: undefined method `map' for :roles:Symbol
/Users/carro/.rvm/gems/ruby-1.9.3-p547/gems/rake-10.4.2/lib/rake/task.rb:309:in `set_arg_names'
/Users/carro/.rvm/gems/ruby-1.9.3-p547/gems/rake-10.4.2/lib/rake/task_manager.rb:40:in `define_task'
/Users/carro/.rvm/gems/ruby-1.9.3-p547/gems/rake-10.4.2/lib/rake/task.rb:365:in `define_task'
/Users/carro/.rvm/gems/ruby-1.9.3-p547/gems/rake-10.4.2/lib/rake/dsl_definition.rb:66:in `task'
/Users/carro/Sites/193/capistrano/lib/capistrano/tasks/deploy.rake:4:in `block in <top (required)>'
/Users/carro/.rvm/gems/ruby-1.9.3-p547/gems/rake-10.4.2/lib/rake/task_manager.rb:209:in `in_namespace'
/Users/carro/.rvm/gems/ruby-1.9.3-p547/gems/rake-10.4.2/lib/rake/dsl_definition.rb:147:in `namespace'
/Users/carro/Sites/193/capistrano/lib/capistrano/tasks/deploy.rake:1:in `<top (required)>'
/Users/carro/.rvm/gems/ruby-1.9.3-p547/gems/rake-10.4.2/lib/rake/rake_module.rb:28:in `load'
/Users/carro/.rvm/gems/ruby-1.9.3-p547/gems/rake-10.4.2/lib/rake/rake_module.rb:28:in `load_rakefile'
/Users/carro/.rvm/gems/ruby-1.9.3-p547/gems/rake-10.4.2/lib/rake/default_loader.rb:10:in `load'
/Users/carro/.rvm/gems/ruby-1.9.3-p547/gems/rake-10.4.2/lib/rake/application.rb:767:in `load_imports'
/Users/carro/.rvm/gems/ruby-1.9.3-p547/gems/capistrano-3.4.0/lib/capistrano/application.rb:93:in `load_imports'
/Users/carro/.rvm/gems/ruby-1.9.3-p547/gems/rake-10.4.2/lib/rake/application.rb:697:in `raw_load_rakefile'
/Users/carro/.rvm/gems/ruby-1.9.3-p547/gems/rake-10.4.2/lib/rake/application.rb:94:in `block in load_rakefile'
/Users/carro/.rvm/gems/ruby-1.9.3-p547/gems/rake-10.4.2/lib/rake/application.rb:176:in `standard_exception_handling'
/Users/carro/.rvm/gems/ruby-1.9.3-p547/gems/rake-10.4.2/lib/rake/application.rb:93:in `load_rakefile'
/Users/carro/.rvm/gems/ruby-1.9.3-p547/gems/rake-10.4.2/lib/rake/application.rb:77:in `block in run'
/Users/carro/.rvm/gems/ruby-1.9.3-p547/gems/rake-10.4.2/lib/rake/application.rb:176:in `standard_exception_handling'
/Users/carro/.rvm/gems/ruby-1.9.3-p547/gems/rake-10.4.2/lib/rake/application.rb:75:in `run'
/Users/carro/.rvm/gems/ruby-1.9.3-p547/gems/capistrano-3.4.0/lib/capistrano/application.rb:15:in `run'
/Users/carro/.rvm/gems/ruby-1.9.3-p547/gems/capistrano-3.4.0/bin/cap:3:in `<top (required)>'
/Users/carro/.rvm/gems/ruby-1.9.3-p547/bin/cap:23:in `load'
/Users/carro/.rvm/gems/ruby-1.9.3-p547/bin/cap:23:in `<main>'
/Users/carro/.rvm/gems/ruby-1.9.3-p547/bin/ruby_executable_hooks:15:in `eval'
/Users/carro/.rvm/gems/ruby-1.9.3-p547/bin/ruby_executable_hooks:15:in `<main>'
like image 978
Adrià Carro Avatar asked May 04 '15 12:05

Adrià Carro


1 Answers

This is happening because Capistrano tasks are now Rake tasks and Rake expects a construct like this:

task :name, [:arg, :arg] => :dependency do
  ...
end

Judging from your stack trace you have custom Capistrano tasks defined in /Users/carro/Sites/193/capistrano/lib/capistrano/tasks/. You need to convert those to the Capistrano 3 on ... roles syntax to make them work.

For example, you would change a Capistrano 2 task like this:

task :dump, :roles => :db do
  ...
end

to this for Capistrano 3:

task :dump do
  on primary roles :db do
    ...
  end
end

See here for more details.

like image 99
jwadsack Avatar answered Nov 02 '22 14:11

jwadsack