Introduce support for RedHat package installation

This provides initial support for installing the relevant MongoDB
packages for a RedHat based OS. This currently only supports RHEL/CentOS
6 in order to keep the initial scope relatively constrained.

.travis.yml

@@ -27,6 +27,30 @@ env:
     DISTRIBUTION=ubuntu-upstart
     DIST_VERSION=12.04
     MONGODB_VERSION=2.6
+  - >
+    DISTRIBUTION=centos
+    DIST_VERSION=6
+    MONGODB_VERSION=2.6
+  - >
+    DISTRIBUTION=centos
+    DIST_VERSION=6
+    MONGODB_VERSION=3.0
+  - >
+    DISTRIBUTION=centos
+    DIST_VERSION=6
+    MONGODB_VERSION=3.2
+  - >
+    DISTRIBUTION=centos
+    DIST_VERSION=7
+    MONGODB_VERSION=2.6
+  - >
+    DISTRIBUTION=centos
+    DIST_VERSION=7
+    MONGODB_VERSION=3.0
+  - >
+    DISTRIBUTION=centos
+    DIST_VERSION=7
+    MONGODB_VERSION=3.2
 #  - >
 #    distribution=ubuntu-upstart
 #    version=12.04

tasks/install.debian.yml

@@ -1,7 +1,5 @@
 ---
 
-- include_vars: "{{ansible_distribution}}.yml"
-
 - name: Check if running on systemd
   command: cat /proc/1/cmdline
   register: systemd

tasks/install.redhat.yml

@@ -0,0 +1,37 @@
+---
+
+- name: Add YUM repository
+  template:
+    src: mongodb.repo.j2
+    dest: /etc/yum.repos.d/mongodb.repo
+    mode: 0644
+  with_items: "{{ mongodb_version[0:3] }}"
+  when: mongodb_package == 'mongodb-org'
+
+- name: Install MongoDB package
+  yum:
+    name: "{{ item }}"
+    state: present
+  with_items:
+    - "{{ mongodb_package }}"
+    - numactl
+
+- name: Install PyMongo package
+  yum:
+    name: python-pymongo
+    state: latest
+  when: not mongodb_pymongo_from_pip
+
+- name: Install PIP
+  yum:
+    name: "{{ item }}"
+  with_items:
+    - python-devel
+    - python-pip
+  when: mongodb_pymongo_from_pip
+
+- name: Install PyMongo from PIP
+  pip:
+    name: pymongo
+    state: latest
+  when: mongodb_pymongo_from_pip

tasks/main.yml

@@ -1,8 +1,13 @@
 ---
 
+- name: Include OS-specific variables
+  include_vars: "{{ item }}"
+  with_first_found:
+    - "{{ ansible_distribution }}.yml"
+    - "{{ ansible_os_family }}.yml"
+
 - name: Include installation on Debian-based OS
-  include: install.deb.yml
-  when: ansible_os_family == 'Debian'
+  include: "install.{{ ansible_os_family | lower }}.yml"
   tags: [mongodb]
 
 - name: Include configuration.yml

templates/mongodb.repo.j2

@@ -0,0 +1,8 @@
+[mongodb-org-{{ mongodb_version }}]
+name=MongoDB {{ mongodb_version }} Repository
+baseurl={{ mongodb_repository[item] }}
+gpgcheck={{ mongodb_repository_gpgkey[item] is defined | ternary(1,0) }}
+{% if mongodb_repository_gpgkey[item] is defined %}
+gpgkey={{ mongodb_repository_gpgkey[item] }}
+{% endif %}
+enabled=1

vars/RedHat.yml

@@ -0,0 +1,9 @@
+---
+
+mongodb_repository:
+  "2.6": "http://downloads-distro.mongodb.org/repo/redhat/os/$basearch/"
+  "3.0": "https://repo.mongodb.org/yum/redhat/$releasever/mongodb-org/3.0/$basearch/"
+  "3.2": "https://repo.mongodb.org/yum/redhat/$releasever/mongodb-org/3.2/$basearch/"
+
+mongodb_repository_gpgkey:
+  "3.2": "https://www.mongodb.org/static/pgp/server-3.2.asc"