[英]How to rewrite this Capistrano 2 code to use Capistrano 3 syntax? (Rails)
我需要為我的rails應用程序部署帶有守護進程和capistrano的mailman。 我碰到了這篇文章 ,只是遵循了他所寫的步驟。
但是當我嘗試部署它時,本地計算機給了我這個錯誤:
The deploy has failed with an error: undefined local variable or method `mailman'.
我知道失敗的原因是因為我使用的是最新版本的capistrano(版本3.4.0),而代碼則是針對該版本的較早版本(可能是2+版本)的
下面是代碼:
# Mailman configuration
namespace :mailman do
desc "Mailman::Start"
task :start, :roles => [:app] do
run "cd #{current_path};RAILS_ENV=#{rails_env} script/mailman_daemon.rb start"
end
desc "Mailman::Stop"
task :stop, :roles => [:app] do
run "cd #{current_path};RAILS_ENV=#{rails_env} script/mailman_daemon.rb stop"
end
desc "Mailman::Restart"
task :restart, :roles => [:app] do
mailman.stop mailman.start
end
end
before "deploy:cleanup", "mailman:restart"
因此,請問我該如何重寫以上代碼以遵循最新版本的capistrano?
謝謝!
############################# UPDATE #################### #####
以下是我的deploy.rb
文件:
server '178.62.16.69', port: 22, roles: [:web, :app, :db], primary: true
set :repo_url, 'git@github.com:ryzalyusoff/xxxx.git'
set :application, 'xxxx'
set :user, 'deploy'
set :puma_threads, [4, 16]
set :puma_workers, 0
set :pty, false
set :use_sudo, false
set :stage, :production
set :deploy_via, :remote_cache
set :deploy_to, "/home/#{fetch(:user)}/apps/#{fetch(:application)}"
set :puma_bind, "unix://#{shared_path}/tmp/sockets/#{fetch(:application)}-puma.sock"
set :puma_state, "#{shared_path}/tmp/pids/puma.state"
set :puma_pid, "#{shared_path}/tmp/pids/puma.pid"
set :puma_access_log, "#{release_path}/log/puma.error.log"
set :puma_error_log, "#{release_path}/log/puma.access.log"
set :ssh_options, { forward_agent: true, user: fetch(:user), keys: %w(~/.ssh/id_rsa.pub) }
set :puma_preload_app, true
set :puma_worker_timeout, nil
set :puma_init_active_record, true # Change to false when not using ActiveRecord
set :whenever_identifier, ->{ "myapp_#{fetch(:stage)}" }
namespace :puma do
desc 'Create Directories for Puma Pids and Socket'
task :make_dirs do
on roles(:app) do
execute "mkdir #{shared_path}/tmp/sockets -p"
execute "mkdir #{shared_path}/tmp/pids -p"
end
end
before :start, :make_dirs
end
namespace :deploy do
desc "Make sure local git is in sync with remote."
task :check_revision do
on roles(:app) do
unless `git rev-parse HEAD` == `git rev-parse origin/master`
puts "WARNING: HEAD is not the same as origin/master"
puts "Run `git push` to sync changes."
exit
end
end
end
desc 'Initial Deploy'
task :initial do
on roles(:app) do
before 'deploy:restart', 'puma:start'
invoke 'deploy'
end
end
desc 'Restart application'
task :restart do
on roles(:app), in: :sequence, wait: 5 do
invoke 'puma:restart'
end
end
before :starting, :check_revision
after :finishing, :compile_assets
after :finishing, :cleanup
after :finishing, :restart
end
# Mailman configuration
namespace :mailman do
desc "Mailman::Start"
task :start do
on roles(:app) do
within release_path do
with default_env: fetch(:default_env) do
execute "script/mailman_daemon.rb", "start"
end
end
end
end
desc "Mailman::Stop"
task :stop do
on roles(:app) do
within release_path do
with default_env: fetch(:default_env) do
execute "script/mailman_daemon.rb", "stop"
end
end
end
end
desc "Mailman::Restart"
task :restart do
on roles(:app) do
invoke("mailman:stop")
invoke("mailman:start")
end
end
end
before "deploy:cleanup", "mailman:restart"
Capistrano 3語法發生了很大變化,請嘗試以下操作:
# Mailman configuration
namespace :mailman do
desc "Mailman::Start"
task :start do
on roles(:app) do
within release_path do
with rails_env: fetch(:rails_env) do
execute "script/mailman_daemon.rb", "start"
end
end
end
end
desc "Mailman::Stop"
task :stop do
on roles(:app) do
within release_path do
with rails_env: fetch(:rails_env) do
execute "script/mailman_daemon.rb", "stop"
end
end
end
end
desc "Mailman::Restart"
task :restart do
on roles(:app) do
invoke("mailman:stop")
invoke("mailman:start")
end
end
end
before "deploy:cleanup", "mailman:restart"
有關更多選項,請參見Capistrano升級指南 。
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