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tag-icon • tag-icon bash ruby node.js gem
暴发户

我构建了一个监听 webhook 的 node.js 应用程序。目前它用于构建jekyll网站。

我已经在我的服务器上配置了它，并且jekyll build当我在 jekyll 网站的根目录（正在发送钩子）中运行它时，它可以完美地工作。当我在 shell 中通过 ssh 运行 node.js 应用程序时，当触发 git hook 时，一切都工作正常。

然而，当 Node.js 应用程序从一个新贵脚本运行时（如下所示），它似乎找不到 gem。它不断询问我确信我已经安装的依赖项（全局以及我的用户）。

在我放入的脚本中echo`which jekyll`，这表明它确实指向本地安装的jekyllbin: /home/christophe/.gem/ruby/2.0.0/bin/jekyll。但在我执行 jekyll 命令的正下方，它失败了：

/usr/lib/ruby/2.0.0/rubygems/dependency.rb:296:in `to_specs': Could not find 'jekyll' (>= 0) among 31 total gem(s) (Gem::LoadError)
    from /usr/lib/ruby/2.0.0/rubygems/dependency.rb:307:in `to_spec'
    from /usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_gem.rb:47:in `gem'
    from /home/christophe/.gem/ruby/2.0.0/bin/jekyll:22:in `<main>'

如何执行这个 bash 脚本才能正确执行 jekyll？

暴发户

# /etc/init/libservice.conf
# Task to automatically start the library service.

author "Christophe De Troyer"
description "Run the githook for the blog."

# Path of the configuration files
env PROJ="/home/christophe/jekyll-builder"

# Configure to run as `christophe`
setuid christophe
setgid christophe

script
    export PATH=/home/christophe/.gem/ruby/2.0.0/bin:$PATH
    cd $PROJ
    gulp run
end script    

start on startup
#Respawn the process if it crashes
#If it respawns more than 10 times in 5 seconds stop
respawn limit 10 5

构建脚本

#!/bin/bash                                            

########################                               
# Parameters from Node #                               
########################                               

giturl=$1                                              
reponame=$2                                            
branch=$3                                              
ownermail=$4                                           
reporoot=$5                                            
htmlsink=$6                                            
www=$7                                                 

##########                                             
# Script #                                             
##########                                             

# Check to see if reponame exists. If not, git clone it
if [ ! -d $reporoot ]; then                            
    mkdir -p $reporoot                                 
    git clone $giturl $reporoot                        
fi                                                     

# Checkout and pull branch.                            
cd $reporoot                                           
git checkout $branch                                   
git pull origin $branch                                
cd -                                                   


echo `which jekyll` 
jekyll # fails                                   
# Run jekyll                                           
jekyll build -s $reporoot -d $htmlsink    # fails too

更新：

gem env以用户身份登录时：

    RubyGems Environment:
  - RUBYGEMS VERSION: 2.0.14
  - RUBY VERSION: 2.0.0 (2014-01-12 patchlevel 384) [x86_64-linux-gnu]
  - INSTALLATION DIRECTORY: /var/lib/gems/2.0.0
  - RUBY EXECUTABLE: /usr/bin/ruby2.0
  - EXECUTABLE DIRECTORY: /usr/local/bin
  - RUBYGEMS PLATFORMS:
    - ruby
    - x86_64-linux
  - GEM PATHS:
     - /var/lib/gems/2.0.0
     - /home/christophe/.gem/ruby/2.0.0
     - /usr/share/rubygems-integration/2.0.0
     - /usr/share/rubygems-integration/all
  - GEM CONFIGURATION:
     - :update_sources => true
     - :verbose => true
     - :backtrace => false
     - :bulk_threshold => 1000
  - REMOTE SOURCES:
     - https://rubygems.org/

gem env从通过 upstart 运行的 node.js 应用程序执行的脚本中给出：

RubyGems Environment:
  - RUBYGEMS VERSION: 2.0.14
  - RUBY VERSION: 2.0.0 (2014-01-12 patchlevel 384) [x86_64-linux-gnu]
  - INSTALLATION DIRECTORY: /var/lib/gems/2.0.0
  - RUBY EXECUTABLE: /usr/bin/ruby2.0
  - EXECUTABLE DIRECTORY: /usr/local/bin
  - RUBYGEMS PLATFORMS:
    - ruby
    - x86_64-linux
  - GEM PATHS:
     - /var/lib/gems/2.0.0
     - /.gem/ruby/2.0.0
     - /usr/share/rubygems-integration/2.0.0
     - /usr/share/rubygems-integration/all
  - GEM CONFIGURATION:
     - :update_sources => true
     - :verbose => true
     - :backtrace => false
     - :bulk_threshold => 1000
  - REMOTE SOURCES:
     - https://rubygems.org/

请注意，GEM_PATHS第二个条目中缺少主目录前缀。我尝试通过放入env GEM_PATH="/home/christophe/.gem/ruby/2.0.0"新贵脚本来解决这个问题，但这并没有改变任何东西。

与此同时，我通过以 root 身份手动安装 deps 列表来解决这个问题。但是，我认为这不是一个好方法，因为暴发户明确以我的用户身份运行。其次，这个软件需要在我没有root权限的服务器上运行。所以我还是想知道解决办法。

sudo gem install jekyll
sudo gem install jekyll-gist
sudo gem install jekyll-cite
sudo gem install jekyll-scholar
sudo gem install addressable -v 2.3.5
sudo gem install yajl-ruby -v 1.2.0
sudo gem install pygments.rb
sudo gem install posix-spawn

答案1

你尝试过设置GEM_HOME环境吗？我至少能够通过以下方式获得列出自定义安装目录的新贵服务：

cd
gem install rake --install-dir grepable

然后使用/etc/init/footest.conf以下服务：

author "Nobody"
description "Echo some details"

env GEM_HOME="/home/jdoe/grepable"

setuid jdoe
setgid jdoe

script
    /usr/bin/gem environment
end script    

start on startup
respawn limit 10 5

重新启动后，

# fgrep -1 grep /var/log/upstart/footest.log
  - RUBY VERSION: 1.9.3 (2013-11-22 patchlevel 484) [x86_64-linux]
  - INSTALLATION DIRECTORY: /home/jdoe/grepable
  - RUBY EXECUTABLE: /usr/bin/ruby1.9.1
  - EXECUTABLE DIRECTORY: /home/jdoe/grepable/bin
  - RUBYGEMS PLATFORMS:
--
  - GEM PATHS:
     - /home/jdoe/grepable
     - /.gem/ruby/1.9.1

对于生产服务，人们可能会在不适合供应商空间或主目录的地方使用--install-dir/ 。GEM_HOME

答案2

经过几个小时的痛苦，我终于修好了。

诀窍是将 设为PATH：/home/cdetroye/.rbenv/shims:/home/cdetroye/.rbenv/bin:/usr/local/bin:/usr/bin:/bin。

# /etc/init/libservice.conf
# Task to automatically start the library service.

author "Christophe De Troyer"
description "Run the githook for the blog."

# Path of the configuration files

env PATH=/home/cdetroye/.rbenv/shims:/home/cdetroye/.rbenv/bin:/usr/local/bin:/usr/bin:/bin

# Configure to run as `christophe`
setuid cdetroye
setgid cdetroye

script
    cd $PROJ
    gulp run
end script    

start on startup
#Respawn the process if it crashes
#If it respawns more than 10 times in 5 seconds stop
respawn limit 10 5

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