tasks: name "vars" file by the matching "{{ ansible_distribution }}"

This fixes the role to run on Fedora and CentOS.

defaults/main.yml

@@ -1,9 +1,3 @@
-network_provider: "{{ network_providers[ansible_os_family][ansible_distribution_major_version] }}"
-
+network_provider: "{{ network_provider_default }}"
 network:
   connections: []
-
-network_providers:
-  RedHat:
-    "6": "initscripts"
-    "7": "nm"

tasks/main.yml

@@ -1,10 +1,15 @@
 - name: Set version specific variables
-  include_vars: "{{ ansible_os_family }}-{{ ansible_distribution_major_version }}.yml"
+  include_vars: "{{ item }}"
+  with_first_found:
+      - "{{ ansible_distribution }}-{{ ansible_distribution_major_version }}.yml"
+      - "{{ ansible_distribution }}.yml"
+      - "{{ ansible_os_family }}.yml"
+      - "default.yml"
 
 - name: Install packages
-  yum:
-    name: "{{ network_packages | default([]) }}"
-    state: present
+  package:
+      name: "{{ network_packages | default([]) }}"
+      state: present
 
 - name: Enable network service
   service:

vars/CentOS-6.yml

@@ -0,0 +1 @@
+default-initscripts.yml

vars/RedHat-6.yml

@@ -1 +0,0 @@
-network_service_name: network

vars/RedHat-6.yml

@@ -0,0 +1 @@
+default-initscripts.yml

vars/default-initscripts.yml

@@ -0,0 +1,2 @@
+network_service_name: network
+network_provider_default: initscripts

vars/default-nm.yml

@@ -1,3 +1,4 @@
 network_service_name: NetworkManager
 network_packages:
   - NetworkManager
+network_provider_default: nm

vars/default.yml

@@ -0,0 +1 @@
+default-nm.yml