【问题标题】:Capistrano gives "/usr/bin/env: ruby: No such file or directory" when performing cap deployCapistrano 在执行 cap deploy 时给出“/usr/bin/env: ruby​​: No such file or directory”
【发布时间】:2016-03-09 21:16:20
【问题描述】:

我正在尝试将带有守护进程和 capistrano 的 mailman 用于我的 rails 应用程序部署到生产中,但我在本地计算机上收到此错误:

SSHKit::Runner::ExecuteError: Exception while executing on host 173.63.11.34: Exception while executing on host 178.62.16.69: script/mailman_daemon.rb exit status: 127
script/mailman_daemon.rb stdout: Nothing written
script/mailman_daemon.rb stderr: /usr/bin/env: ruby: No such file or directory

下面是我的deploy.rb文件:

server '173.63.11.34', 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"

下面是我的gemfile:

source 'https://rubygems.org'

ruby "2.0.0"

gem 'rails', '4.2.3'
gem 'mysql2', '~> 0.3.18'
gem 'sass-rails', '~> 5.0'
gem 'uglifier', '>= 1.3.0'
gem 'coffee-rails', '~> 4.1.0'
gem 'jquery-rails'
gem 'turbolinks'
gem 'jbuilder', '~> 2.0'
gem 'sdoc', '~> 0.4.0', group: :doc

group :development, :test do
  gem 'byebug'
  gem 'web-console', '~> 2.0'
  gem "rails-erd"
  gem 'capistrano',           require: false
  gem 'capistrano-rvm',       require: false
  gem 'capistrano-rails',     require: false
  gem 'capistrano-bundler',   require: false
  gem 'capistrano3-puma',     require: false
  gem 'rvm1-capistrano3', require: false
end

group :production do
  gem 'rails_12factor', '0.0.2'
  gem 'thin'
  gem 'puma', '3.1.0'
end

gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
gem 'bootstrap-sass', '~> 3.3.4.1'
gem "better_errors"
gem "devise"
gem 'rails_admin', '~> 0.6.8'
gem 'jquery-ui-rails'
gem 'execjs'
gem 'therubyracer', :platforms => :ruby
gem "compass-rails", github: "Compass/compass-rails", branch: "master"
gem 'sucker_punch', '~> 2.0', '>= 2.0.1'
gem 'carrierwave'
gem "fog-aws"

# Sending SMS
gem 'twilio-ruby'
gem 'postmark-rails', "~> 0.5.2"
# Cronjob
gem 'whenever', '~> 0.9.4'
gem 'griddler'
gem 'mailman'
gem 'email_reply_parser', '~> 0.5.8'
gem 'mail_extract', '~> 0.1.4'
gem 'daemons', '~> 1.2', '>= 1.2.3'
gem 'delayed_job_active_record'

我正在使用 capistrano (3.4.0) 和 capistrano-rvm (0.1.2)。

我已经尝试按照thread 中的建议使用 rvm1-capistrano3 和 rvm-capistrano gem,但没有运气。

有人可以帮忙吗?

谢谢!

####################### 更新 1 ################### ##

这就是我在本地机器上所做的git grep usr.bin.env

bin/bundle:#!/usr/bin/env ruby.exe
bin/delayed_job:#!/usr/bin/env ruby
bin/rails:#!/usr/bin/env ruby.exe
bin/rake:#!/usr/bin/env ruby.exe
bin/setup:#!/usr/bin/env ruby.exe
script/mailman_daemon.rb:#!/usr/bin/env ruby
script/mailman_server:#!/usr/bin/env ruby

###################### 更新 2 ################### ##

我已经在 ~/.bash_profile 中为我的 rvm 设置了路径:

export PATH="$PATH:$HOME/.rvm/bin" # Add RVM to PATH for scripting

[[ -s "$HOME/.profile" ]] && source "$HOME/.profile" # Load the default .profile

[[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm" # Load RVM into a shell session *as a function*
~   

【问题讨论】:

  • 如果你这样做git grep usr.bin.env你会得到什么?
  • 我在哪里输入这个?无论如何,我在生产服务器的当前目录中输入了这个,我得到了这个:fatal: Not a git repository (or any of the parent directories): .git
  • 在你的开发机器上。 (为什么不先在开发机器上输入呢?)
  • 哦,对不起,我的错..我已将结果放在上面的原始问题上
  • 你找到解决方案了吗?

标签: ruby-on-rails ruby-on-rails-4 capistrano daemon mailman


【解决方案1】:

看起来 173.63.11.34 上的用户 deploy 无权访问 ruby 可执行文件。

确保在 deploy 用户的上下文中或在 173.63.11.34 的全局范围内安装 rubyrvm 等。

一种检查方法是将sshdeploy 用户身份进入173.63.11.34,看看您是否能够执行rubyrvm 等。

【讨论】:

  • 您好,感谢您的回复,但我确实已经在deploy 用户的上下文中安装了 ruby​​ 和 rvm。我已尝试按照您的建议通过 ssh 连接到服务器并测试 ruby​​,它工作正常。我用这样的 irb 命令对其进行了测试:deploy@Myapp:~/apps/myapp/current$ irb
【解决方案2】:

你没有在你的生产服务器中安装你的 rvm 或 rbenv、chruby 或 ruby​​ 二进制文件。

或者您更有可能放错地方忘记添加 PATH 和/或源脚本,例如

用于 rvm

export PATH="$PATH:$HOME/.rvm/bin" # 将 RVM 添加到 PATH 以编写脚本

[[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm"

对于 rbenv

export PATH="$PATH:$HOME/.rbenv/bin"

eval "$(rbenv init - )"

export PATH="$PATH:$HOME/.rbenv/plugins/ruby-build/bin"

对于 chruby

来源 /usr/share/chruby/chruby.sh

来源 /usr/share/chruby/auto.sh

RUBIES+=(/opt/rubies/*)

类似的东西

【讨论】:

  • 嘿,我的生产服务器上肯定安装了 rvm,而且我也已经在我的 ~/.bash_profile 上设置了它的 PATH。请参阅上面的更新 2
  • 在远程 shell 中以 deploy 身份登录时会得到哪个 shell。是 sh bash ssh。尝试命令 echo $SHELL 如果它是 sh 而不是 bash,你的 .bash_profile 将不起作用
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