使用错误的rbenv路径来跟踪Capstrano？

问题描述

我尝试在Rails应用程序上使用Capstrano。但我遇到了一些问题：当我运行cap production deploy:check时，似乎还可以

只有错误消息：重要吗？

DEBUG [a8c55ce2] Command: /usr/bin/env which passenger
DEBUG [a8c55ce2] Finished in 0.004 seconds with exit status 1 (failed).)

但当我运行cap production deploy时，收到消息：

我搜索我的服务器，没有/usr/local/rbenv/bin/rbenv。但是我有/usr/local/rbenv，而且我可以使用Rails并为Rails应用部署网站，我如何在/usr/local/rbenv/bin/rbenv上找到正确的路径？还是另一个问题？

这是我的设置：

lock '3.4.0'

`ssh-add` # need this to make key-forwarding work

set :application, 'myapp'
set :repo_url, 'my ssh'

set :deploy_to, '/home/john/projects/myapp'
set :log_level, :debug
set :keep_releases, 5
set :linked_files, %w(config/database.yml config/secrets.yml)
set :linked_dirs, fetch(:linked_dirs, []).push("bin", "log", "tmp/pids", "tmp/cache", "tmp/sockets", "vendor/bundle", "public/system") 

set :rbenv_type, :user 
set :rbenv_ruby, "2.2.2"
set :rbenv_path, "/usr/local/rbenv"
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 

namespace :deploy do
  after :restart, :clear_cache do
    on roles(:web), in: :groups, limit: 3, wait: 10 do
        execute :rake, 'cache:clear'
    end
  end
end

我的文件夹

john@ip:/usr/local/rbenv$ ls -l
total 12
drwxr-xr-x 2 john admin 4096 Aug  5 16:44 shims
-rw-r--r-- 1 john admin    6 Aug  4 15:40 version
drwxr-xr-x 3 john admin 4096 Aug  4 15:33 versions

我用我的插件找到了3种可能的路径：

/home/john/.rbenv/plugins/ruby-build/bin
/home/john/.rbenv/versions/2.2.2/bin
/home/john/.rbenv/bin

我认为是我的本能rbenv问题导致了此路径问题。

推荐答案

确保包含并正确配置capistrano-rbenvgem

在您的Gemfile中：

group :development do
  gem 'capistrano-rbenv'
end

在Capfile中：

require 'capistrano/rbenv'

在您的配置/ploy.rb：

中设置rbenv相关变量

# I assume your plugins directory is at /usr/local/rbenv/plugins
#    shims directory at /usr/local/rbenv/shims
#    and so on ... Adapt the following to your situation

set :default_env, {
    path: '/usr/local/rbenv/plugins/ruby-build/bin:/usr/local/rbenv/shims:/usr/local/rbenv/bin:$PATH',
    rbenv_root: '/usr/local/rbenv'
}
set :rbenv_roles, :all
set :rbenv_ruby, '2.2.2'
set :rbenv_ruby_dir, '/usr/local/rbenv/versions/2.2.2'
set :rbenv_custom_path, '/usr/local/rbenv'

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