install ruby via rbenv

rbenv_installer.yml

---
- hosts: ruby
  name: install ruby require packages for actioning server 
  become: yes
  vars:
    RBENV_ROOT: /usr/local/rbenv
    user: hogehoge
    group: fugafuga
  tasks: 
        - name: groupadd docker hogehoge
          user: name={{ user }} groups={{ user }},{{ group }} append=yes

        - name: install require packages for rbenv
          yum: name={{ item }} state=present
          with_items:
          - git 
          - zlib 
          - zlib-devel 
          - openssl 
          - openssl-devel 
          - readline 
          - readline-devel 
          - sqlite-devel

        - name: download rbenv repository
          git: repo=https://github.com/sstephenson/rbenv.git dest={{ RBENV_ROOT }} 

- hosts: ruby
  name: install ruby via rbenv
  vars: 
    RBENV_ROOT: /usr/local/rbenv
    ruby_version: 2.0.0-p598
  tasks:
        - name: add rbenv path 
          lineinfile: >
            dest=/home/hogehoge/.bashrc
            line='RBENV_ROOT="/usr/local/rbenv"'
            create=yes

        - name: add ruby path 
          lineinfile: >
            dest=/home/hogehoge/.bashrc
            line='PATH="${RBENV_ROOT}/bin:/sbin/:${PATH}"'
            create=yes

        - name: set rbenv's path
          lineinfile: >
            dest=/home/hogehoge/.bashrc
            line='eval "$(rbenv init -)"' 
            create=yes

        - name: download ruby-build repository
          git: repo=https://github.com/sstephenson/ruby-build.git dest=/home/hogehoge/.rbenv/plugins/ruby-build 

        - name: check ruby installed version
          shell: bash -lc "rbenv versions"
          register: ruby_installed_version

        - name: install ruby via rbenv 
          shell: bash -lc "rbenv install 2.0.0-p598"
          when: ruby_installed_version.stdout_lines.count("{{ ruby_version }}")

        - name: set global rbenv
          shell: bash -lc "rbenv global 2.0.0-p598"
          when: ruby_installed_version.stdout_lines.count("{{ ruby_version }}")