Managing packages using rvm, gem, and pip

At the present time, like all other aspects of the operating system, package management is no longer limited to the default system package managers such as yum and apt-get. With the widespread uses of Ruby and Python-based frameworks, the need to manage packages and supporting libraries for them have become an absolute necessity. This is where package managers like rvm, gem, and pip come in. In this recipe, you will learn how to manage packages with these package managers using Salt.

How to do it...

Create two minions called stgdc1app01 and stgdc1app02. Configure a grain called app_type in both the minions and set the value of the grain as rails in stgdc1app01 and as django in stgdc1app02:

1. Create a new state directory called app in the staging environment.

2. Create and edit the /opt/salt-cookbook/staging/app/rails.sls file to have the following entries:

   ruby-2.1.5:
     rvm.installed:
       - default: True
   
   set_ruby:
     cmd.run:
       - name: 'source /etc/profile...