在 AWS EC2 上安装 Ruby 2.0 和 Rails 4.0.0beta

Question

在默认的 Amazon EC2 Linux 安装 (Amazon Linux AMI 2012.09.1) 上安装 Ruby 2.0.0 和 Rails 4.0.0beta1 非常顺利。 但是 openssl 阻碍了（例如 http://railsapps.github.com/openssl-certificate-verify-failed.html）并且奇怪的是阻止 openssl 安装或导致 RubyGem 包管理器安装 rails。

如何解决这些问题？

Answer 1

这是一个带有 rbenv 的变体。

SSH 进入您的全新实例：

   __|  __|_  )
   _|  (     /   Amazon Linux AMI
  ___|\___|___|

https://aws.amazon.com/amazon-linux-ami/2012.09-release-notes/
There are 16 security update(s) out of 57 total update(s) available
Run "sudo yum update" to apply all updates.
Amazon Linux version 2013.03 is available.
[jimjh ~]$ ruby --version
ruby 1.9.3p286 (2012-10-12 revision 37165) [x86_64-linux]

模拟根并应用服务器更新：

$> sudo su -
$> yum update

安装几个包：

$> yum install git pcre pcre-devel

克隆rbenv:

$> git clone git://github.com/sstephenson/rbenv.git /usr/local/rbenv

创建以下文件：

# /etc/profile.d/rbenv.sh
export RBENV_ROOT=/usr/local/rbenv
export PATH="${RBENV_ROOT}/bin:$PATH"
eval "$(rbenv init -)"

安装ruby-build:

$> . /etc/profile
$> git clone https://github.com/sstephenson/ruby-build.git /usr/local/rbenv/plugins/ruby-build

安装红宝石：

$> rbenv install 2.0.0-p195  # wait ...
$> rbenv global 2.0.0-p195
$> rbenv rehash

更新 ruby​​gems 并安装乘客：

$> gem update --system
$> gem install bundler     
$> gem install passenger

通过passenger安装nginx：

$> passenger start

在撰写本文时，乘客的最新版本是 4.0.0，它适用于 ruby​​ 2.0.0。

弹性豆茎 如果您使用的是 Elastic Beanstalk，请停止乘客

$> sudo service passenger stop

通过将以下内容添加到 /opt/elasticbeanstalk/support/envvars.d/appenv 来初始化 rbenv

. /etc/profile.d/rbenv.sh

开始乘客

$> sudo service passenger start

Answer 2

登录您的全新实例：

[19:59:22] paul:~ $ ssh -i ~/.ssh/server.pem ec2-user@your.ip

   __|  __|_  )
   _|  (     /   Amazon Linux AMI
  ___|\___|___|

  https://aws.amazon.com/amazon-linux-ami/2012.09-release-notes/

并模拟根：

$ sudo su -

您从这里以 root 身份登录。应用服务器更新：

[root@ip-xx ~]# yum update
...
Complete!
[root@ip-xx ~]# yum groupinstall "Development Tools"
...
Install      72 Package(s)
...
Complete!

现在，这就是它与标准解决方案的不同之处。安装 RVM 但没有 ruby​​ 的分发：

[root@ip-xx ~]# \curl -L https://get.rvm.io | bash -s stable

  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   184  100   184    0     0    135      0  0:00:01  0:00:01 --:--:--   183
100 11861  100 11861    0     0   7180      0  0:00:01  0:00:01 --:--:-- 64113
Downloading RVM from wayneeseguin branch stable
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   124  100   124    0     0    161      0 --:--:-- --:--:-- --:--:--   185
100 1615k  100 1615k    0     0   258k      0  0:00:06  0:00:06 --:--:--  401k

Installing RVM to /usr/local/rvm/
    Creating group 'rvm'

# RVM:  Shell scripts enabling management of multiple ruby environments.
# RTFM: https://rvm.io/
# HELP: http://webchat.freenode.net/?channels=rvm (#rvm on irc.freenode.net)
# Cheatsheet: http://cheat.errtheblog.com/s/rvm/
# Screencast: http://screencasts.org/episodes/how-to-use-rvm

# In case of any issues read output of 'rvm requirements' and/or 'rvm notes'

Installation of RVM in /usr/local/rvm/ is almost complete:

  * First you need to add all users that will be using rvm to 'rvm' group,
    and logout - login again, anyone using rvm will be operating with `umask u=rwx,g=rwx,o=rx`.

  * To start using RVM you need to run `source /etc/profile.d/rvm.sh`
    in all your open shell windows, in rare cases you need to reopen all shell windows.

# root,
#
#   Thank you for using RVM!
#   I sincerely hope that RVM helps to make your life easier and
#   more enjoyable!!!
#
# ~Wayne

让我们检查一下没有安装 ruby​​ 版本：

[root@ip-xx ~]# rvm list

rvm rubies


# No rvm rubies installed yet. Try 'rvm help install'.

现在，openssl 已经安装在系统上，但与 setup 不兼容：

[root@ip-xx ~]# openssl version
OpenSSL 1.0.0k-fips 5 Feb 2013

[root@ip-xx ~]# openssl version -d
OPENSSLDIR: "/etc/pki/tls"

尝试使用此版本安装 ruby​​2 将导致以下错误：

[root@ip-xx ~]# rvm install 2.0.0 -- --with-openssl-dir=/etc/pki/tls
Fetching yaml-0.1.4.tar.gz to /usr/local/rvm/archives
######################################################################## 100.0%
Extracting yaml to /usr/local/rvm/src/yaml-0.1.4
Prepare yaml in /usr/local/rvm/src/yaml-0.1.4.
Configuring yaml in /usr/local/rvm/src/yaml-0.1.4.
Compiling yaml in /usr/local/rvm/src/yaml-0.1.4.
Installing yaml to /usr/local/rvm/usr
Installing Ruby from source to: /usr/local/rvm/rubies/ruby-2.0.0-p0, this may take a while depending on your cpu(s)...
ruby-2.0.0-p0 - #downloading ruby-2.0.0-p0, this may take a while depending on your connection...
######################################################################## 100.0%
ruby-2.0.0-p0 - #extracting ruby-2.0.0-p0 to /usr/local/rvm/src/ruby-2.0.0-p0
ruby-2.0.0-p0 - #extracted to /usr/local/rvm/src/ruby-2.0.0-p0
ruby-2.0.0-p0 - #configuring
ruby-2.0.0-p0 - #compiling
ruby-2.0.0-p0 - #installing 
Retrieving rubygems-2.0.3
######################################################################## 100.0%
Extracting rubygems-2.0.3 ...
Removing old Rubygems files...
Installing rubygems-2.0.3 for ruby-2.0.0-p0 ...
Error running 'env GEM_PATH=/usr/local/rvm/gems/ruby-2.0.0-p0:/usr/local/rvm/gems/ruby-2.0.0-p0@global:/usr/local/rvm/gems/ruby-2.0.0-p0:/usr/local/rvm/gems/ruby-2.0.0-p0@global GEM_HOME=/usr/local/rvm/gems/ruby-2.0.0-p0 /usr/local/rvm/rubies/ruby-2.0.0-p0/bin/ruby /usr/local/rvm/src/rubygems-2.0.3/setup.rb', please read /usr/local/rvm/log/ruby-2.0.0-p0/rubygems.install.log
Installation of rubygems did not complete successfully.
Saving wrappers to '/usr/local/rvm/bin'.
ruby-2.0.0-p0 - #adjusting #shebangs for (gem irb erb ri rdoc testrb rake).
cp: overwrite `/usr/local/rvm/rubies/ruby-2.0.0-p0/bin/gem'? y
cp: overwrite `/usr/local/rvm/rubies/ruby-2.0.0-p0/bin/irb'? y
cp: overwrite `/usr/local/rvm/rubies/ruby-2.0.0-p0/bin/erb'? y
cp: overwrite `/usr/local/rvm/rubies/ruby-2.0.0-p0/bin/ri'? y
cp: overwrite `/usr/local/rvm/rubies/ruby-2.0.0-p0/bin/rdoc'? y
cp: overwrite `/usr/local/rvm/rubies/ruby-2.0.0-p0/bin/testrb'? y
cp: overwrite `/usr/local/rvm/rubies/ruby-2.0.0-p0/bin/rake'? y
ruby-2.0.0-p0 - #importing default gemsets, this may take time ...
Install of ruby-2.0.0-p0 - #complete

虽然您将获得 ruby​​2，但“rubygems 的安装未成功完成” - 请注意警告：“Error running 'env GEM_PATH=...”

相反，我们将让 RVM 为我们安装一个 openssl 副本（请参阅 https://rvm.io/packages/openssl/）。需要 zlib-devel 包：

[root@ip-xx ~]# yum install zlib-devel
...
Installed:
  zlib-devel.x86_64 0:1.2.5-7.11.amzn1                                                                                  

Complete!
[root@ip-xx ~]# rvm pkg install openssl
Fetching openssl-1.0.1c.tar.gz to /usr/local/rvm/archives
Extracting openssl to /usr/local/rvm/src/openssl-1.0.1c
Configuring openssl in /usr/local/rvm/src/openssl-1.0.1c.
Compiling openssl in /usr/local/rvm/src/openssl-1.0.1c.
Installing openssl to /usr/local/rvm/usr

Please note that it's required to reinstall all rubies:

    rvm reinstall all --force

Updating openssl certificates

我们现在可以安装 ruby​​2：

[root@ip-xx ~]# rvm reinstall 2.0.0 --with-openssl-dir=/usr/local/rvm/usr
Removing /usr/local/rvm/src/ruby-2.0.0-p0...
Removing /usr/local/rvm/rubies/ruby-2.0.0-p0...
Installing Ruby from source to: /usr/local/rvm/rubies/ruby-2.0.0-p0, this may take a while depending on your cpu(s)...
ruby-2.0.0-p0 - #downloading ruby-2.0.0-p0, this may take a while depending on your connection...
ruby-2.0.0-p0 - #extracting ruby-2.0.0-p0 to /usr/local/rvm/src/ruby-2.0.0-p0
ruby-2.0.0-p0 - #extracted to /usr/local/rvm/src/ruby-2.0.0-p0
ruby-2.0.0-p0 - #configuring
ruby-2.0.0-p0 - #compiling
ruby-2.0.0-p0 - #installing 
Removing old Rubygems files...
Installing rubygems-2.0.3 for ruby-2.0.0-p0 ...
Installation of rubygems completed successfully.
Saving wrappers to '/usr/local/rvm/bin'.
ruby-2.0.0-p0 - #adjusting #shebangs for (gem irb erb ri rdoc testrb rake).
cp: overwrite `/usr/local/rvm/rubies/ruby-2.0.0-p0/bin/gem'? y
cp: overwrite `/usr/local/rvm/rubies/ruby-2.0.0-p0/bin/irb'? y
cp: overwrite `/usr/local/rvm/rubies/ruby-2.0.0-p0/bin/erb'? y
cp: overwrite `/usr/local/rvm/rubies/ruby-2.0.0-p0/bin/ri'? y
cp: overwrite `/usr/local/rvm/rubies/ruby-2.0.0-p0/bin/rdoc'? y
cp: overwrite `/usr/local/rvm/rubies/ruby-2.0.0-p0/bin/testrb'? y
cp: overwrite `/usr/local/rvm/rubies/ruby-2.0.0-p0/bin/rake'? y
ruby-2.0.0-p0 - #importing default gemsets, this may take time ...
Install of ruby-2.0.0-p0 - #complete 
Making gemset ruby-2.0.0-p0 pristine.
Making gemset ruby-2.0.0-p0@global pristine.

[root@ip-xx ~]# ruby -v
ruby 2.0.0p0 (2013-02-24 revision 39474) [x86_64-linux]

还有 rails4：

[root@ip-xx ~]# gem install rails -v 4.0.0beta1
...
28 gems installed
[root@ip-xx ~]# gem list

*** LOCAL GEMS ***

actionmailer (4.0.0.beta1)
actionpack (4.0.0.beta1)
activemodel (4.0.0.beta1)
activerecord (4.0.0.beta1)
activerecord-deprecated_finders (0.0.3)
activesupport (4.0.0.beta1)
arel (4.0.0.beta2)
atomic (1.0.1)
bigdecimal (1.2.0)
builder (3.1.4)
bundler (1.3.4)
erubis (2.7.0)
hike (1.2.1)
i18n (0.6.4)
io-console (0.4.2)
json (1.7.7)
mail (2.5.3)
mime-types (1.21)
minitest (4.3.2)
multi_json (1.7.1)
polyglot (0.3.3)
psych (2.0.0)
rack (1.5.2)
rack-test (0.6.2)
rails (4.0.0.beta1)
railties (4.0.0.beta1)
rake (10.0.3, 0.9.6)
rdoc (4.0.0, 3.12.2)
rubygems-bundler (1.1.1)
rvm (1.11.3.6)
sprockets (2.9.0)
sprockets-rails (2.0.0.rc3)
test-unit (2.0.0.0)
thor (0.17.0)
thread_safe (0.1.0)
tilt (1.3.6)
treetop (1.4.12)
tzinfo (0.3.37)

就是这样！