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ruby-on-rails – 在我的’生产’服务器上运行时,Bundler无视MyS

发布时间：2020-12-17 03:53:41 所属栏目：百科 来源：网络整理
导读：我正在尝试使用Capistrano在我的生产服务器上安装’ mysql2’gem. 我想在开发中使用SQLite,在生产中使用MySQL. 我在Windows 7机器上开发,生产使用Ubuntu. 当我在我的开发机器上运行bundle install时,它会安装MySQL2. 当Capistrano在我的生产机器上运行它时,
我正在尝试使用Capistrano在我的生产服务器上安装’ mysql2’gem.

我想在开发中使用SQLite,在生产中使用MySQL.

我在Windows 7机器上开发,生产使用Ubuntu.

当我在我的开发机器上运行bundle install时,它会安装MySQL2.

当Capistrano在我的生产机器上运行它时,它甚至在输出中都没有提到.

当我直接在shell上的生产机器上运行相同的命令时,它也没有提到gem.

我也发现了宝石’therubyracer’,：platforms => ：没有安装ruby.我在mysql2条目之后添加了这个.我希望这两者是相关的.在添加therubyracer之前,mysql2无法正常工作.

由于以上所有原因,我在尝试查看我的网站时收到以下错误：

Please install the mysql2 adapter: gem install activerecord-mysql2-adapter (mysql2 is not part of the bundle. Add it to Gemfile.)

附加信息

我希望下面包含的信息量比痛苦更有用.

的Gemfile

我很欣赏我可以将mysql2置于’生产’中,但这不起作用.

source 'http://rubygems.org'

gem 'rails','3.1.1'
gem 'nokogiri'
gem 'bcrypt-ruby'
gem 'faker'
gem 'will_paginate'
gem 'capistrano'
gem 'capistrano-ext'
gem 'mysql2',"~> 0.3"
gem 'therubyracer',:platforms => :ruby
gem 'sqlite3'

# Gems used only for assets and not required
# in production environments by default.
group :assets do
  gem 'sass-rails','~> 3.1.4'
  gem 'coffee-rails','~> 3.1.1'
  gem 'uglifier','>= 1.0.3'
end

gem 'jquery-rails'

group :test do
  # Pretty printed test output
  gem 'turn',:require => false
end

输出Capistrano Bundle Install命令

* executing "cd /home/gannicott.co.uk/production/listen/www/releases/20120223225131 && bundle install --gemfile /home/gannicott.co.uk/prod
uction/listen/www/releases/20120223225131/Gemfile --path /home/gannicott.co.uk/production/listen/www/shared/bundle --deployment --without de
velopment test"
    servers: ["homer.gannicott.co.uk"]
    [homer.gannicott.co.uk] executing command
    [homer.gannicott.co.uk] sh -c 'cd /home/gannicott.co.uk/production/listen/www/releases/20120223225131 && bundle install --gemfile /home/
gannicott.co.uk/production/listen/www/releases/20120223225131/Gemfile --path /home/gannicott.co.uk/production/listen/www/shared/bundle --dep
loyment --without development test'
 ** [out :: homer.gannicott.co.uk] Installing rake (0.9.2.2)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing multi_json (1.1.0)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing activesupport (3.1.1)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing builder (3.0.0)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing i18n (0.6.0)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing activemodel (3.1.1)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing erubis (2.7.0)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing rack (1.3.6)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing rack-cache (1.1)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing rack-mount (0.8.3)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing rack-test (0.6.1)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing hike (1.2.1)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing tilt (1.3.3)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing sprockets (2.0.3)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing actionpack (3.1.1)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing mime-types (1.17.2)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing polyglot (0.3.3)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing treetop (1.4.10)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing mail (2.3.0)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing actionmailer (3.1.1)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing arel (2.2.3)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing tzinfo (0.3.31)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing activerecord (3.1.1)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing activeresource (3.1.1)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing highline (1.6.11)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing net-ssh (2.3.0)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing net-scp (1.0.4)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing net-sftp (2.0.5)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing net-ssh-gateway (1.1.0)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing capistrano (2.11.2)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing capistrano-ext (1.2.1)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing coffee-script-source (1.2.0)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing execjs (1.3.0)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing coffee-script (2.2.0)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing rack-ssl (1.3.2)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing json (1.6.5)
 ** [out :: homer.gannicott.co.uk] with native extensions
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing rdoc (3.12)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing thor (0.14.6)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing railties (3.1.1)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing coffee-rails (3.1.1)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing faker (1.0.1)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing jquery-rails (1.0.19)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Using bundler (1.0.21)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing rails (3.1.1)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing sass (3.1.15)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing sass-rails (3.1.5)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing uglifier (1.2.3)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Installing will_paginate (3.0.3)
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Updating .gem files in vendor/cache
 ** [out :: homer.gannicott.co.uk]
 ** [out :: homer.gannicott.co.uk] Your bundle is complete! It was installed into /home/gannicott.co.uk/production/listen/www/shared/bundle
 ** [out :: homer.gannicott.co.uk]
    command finished in 12924ms

capistrano的deploy.rb

require 'bundler/capistrano'
require 'capistrano/ext/multistage'
# Based on: http://guides.beanstalkapp.com/deployments/deploy-with-capistrano.html
set :application,"listen_later"

set :scm,:git
set :repository,"repos location"
set :scm_passphrase,"passphrase"

set :user,"username"

set :stages,["staging","production"]
set :default_stage,"staging"

# The following needs to be added to avoid a failure (http://discuss.joyent.com/viewtopic.php?id=27326)
default_run_options[:pty] = true

namespace :deploy do
  desc "Tell Passenger to restart the app."
  task :restart do
    run "touch #{current_path}/tmp/restart.txt"
  end
end

# Removed --silent so I can see what's going on
set :bundle_flags,"--deployment"

capistrano的生产部署文件

server "homer.gannicott.co.uk",:app,:web,:db,:primary => true
set :deploy_to,"/home/gannicott.co.uk/production/listen/www"

数据库配置文件

# SQLite version 3.x
#   gem install sqlite3
#
#   Ensure the SQLite 3 gem is defined in your Gemfile
#   gem 'sqlite3'
development:
  adapter: sqlite3
  database: db/development.sqlite3
  pool: 5
  timeout: 5000

# Warning: The database defined as "test" will be erased and
# re-generated from your development database when you run "rake".
# Do not set this db to the same as development or production.
test:
  adapter: sqlite3
  database: db/test.sqlite3
  pool: 5
  timeout: 5000

production:
  adapter: mysql2
  encoding: utf8
  reconnect: false
  database: databasename
  pool: 5
  username: username
  password: password
  #socket: **/opt/local/var/run/mysql5/mysqld.sock**

#  adapter: sqlite3
#  database: db/production.sqlite3
#  pool: 5
#  timeout: 5000

干杯!

解决方法

全部排序.虽然这是一个解决方案,但我并不完全满意.

这个调查

更多Google搜索引导我访问此页面：

http://redmine.autotelik.co.uk/blogs(搜索’mysql2′,它会找到相关部分)

这导致我… Stack Overflow(当然！)：

Make bundler use different gems for different platforms

这反过来又让我：

https://github.com/carlhuda/bundler/issues/646

问题

在Windows上运行Bundler时,它包含Windows版本mysql2的条目.但是,这与Linux上的要求不同.因此,Gemfile.lock文件不适合在Linux上使用.

解决方案

目标是在生产服务器上生成Bundler生成的Gemfile.lock文件.从我读过的内容来看,通常不建议这样做.那说,要实现这个……

我不再在我的git存储库中包含Gemfile.lock文件：

echo 'Gemfile.lock' >> .gitignore

我从git中删除了该文件：

git rm Gemfile.lock
git commit -am "Removing Gemfile.lock to cope with Windows and Linux differences"
git push

我告诉Capistrano不要在部署模式下运行,只需在config / deploy.rb中添加以下行：

set :bundle_flags,""

您可能希望在引号中包含–quiet标志,但在此经验之后,我很想知道在部署时安装了什么.

现在,当我运行cap生产部署时,它每次都会重新生成Gemfile.lock文件.这意味着我的生产服务器现在使用了正确版本的mysql2.

我想这可以改进,但现在它对我有用.

希望有一天能帮助某人.

（编辑：李大同）

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