OpenNebula

When running the install_gems script on CentOS7, nokogiri causes the script to fail because it is not compatible with the default ruby version on centos7 (see output below).

I've attached a possible patch to force the version to lower than 1.7.0 if ruby is < 2.1.0.

[root@onemgmt ~]# /usr/share/one/install_gems 
lsb_release command not found. If you are using a RedHat based
distribution install redhat-lsb

Select your distribution or press enter to continue without
installing dependencies.

0. Ubuntu/Debian
1. CentOS/RedHat/Scientific

1
Distribution "redhat" detected.
About to install these dependencies:
* gcc-c++
* ruby-devel
* make

Press enter to continue...

yum install gcc-c++ ruby-devel make
Failed to set locale, defaulting to C
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: centos.mirror.triple-it.nl
 * epel: epel.check-update.co.uk
 * extras: mirrors.noction.com
 * updates: mirror.prolocation.net
Package gcc-c++-4.8.5-11.el7.x86_64 already installed and latest version
Package ruby-devel-2.0.0.648-29.el7.x86_64 already installed and latest version
Package 1:make-3.82-23.el7.x86_64 already installed and latest version
Nothing to do
Don't run Bundler as root. Bundler can ask for sudo if it is needed, and
installing your bundle as root will break this application for all non-root
users on this machine.
Fetching gem metadata from https://rubygems.org/............
Fetching version metadata from https://rubygems.org/..
Fetching dependency metadata from https://rubygems.org/.
Resolving dependencies...
nokogiri-1.7.0.1 requires ruby version >= 2.1.0, which is incompatible with the
current version, ruby 2.0.0p648
Error installing gems
[root@onemgmt ~]#