Centos EPEL options default to global variable

Repository variables lxc_centos_epel_mirror and lxc_centos_epel_key will
default to centos_epel_mirror and centos_epel_key

Change-Id: Icf84a0a55654fa890947bae5b608870eddad7324

defaults/main.yml

@@ -91,12 +91,6 @@ lxc_container_cache_path: "/var/cache/lxc/download"
 #       copy_from_host: []  # List of files to copy into the container
 lxc_cache_map: "{{ _lxc_cache_map }}"
 
-
-## If you want to use a custom epel repo
-# lxc_centos_epel_mirror: http://mirror.myconpany/epel/
-# lxc_centos_epel_gpg_key: http://mirror.myconpany/epel-key/RPM-GPG-KEY-EPEL-7
-
-
 # When using a base container to snapshot from for the overlayfs or LVM
 # copy-on-write backing stored, the base container can be set.
 lxc_container_base_name: "{{ lxc_cache_map.distro }}-{{ lxc_cache_map.release }}-{{ lxc_cache_map.arch }}"
@@ -250,6 +244,10 @@ lxc_cache_download_template_options: >-
 # Locales to populate in the LXC base cache
 lxc_cache_locales: "{{ _lxc_cache_locales | default(['en_US.UTF-8']) }}"
 
+# Centos EPEL repository options
+lxc_centos_epel_mirror: "{{ centos_epel_mirror | default('http://download.fedoraproject.org/pub/epel') }}"
+lxc_centos_epel_key: "{{ centos_epel_key | default('http://download.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-7') }}"
+
 # LXC must be installed from a COPR repository on CentOS 7 since the version
 # provided in EPEL is much too old (1.x).
 lxc_centos_package_baseurl: https://copr-be.cloud.fedoraproject.org/results/thm/lxc2.0/epel-7-x86_64/

releasenotes/notes/centos-private-epel-3fe4c9ff68ec3a18.yaml

@@ -1,6 +1,5 @@
 ---
 features:
   - You can set a private repository for epel, you must use
-    ``lxc_centos_epel_mirror`` for the repo URL and if you need to get the GPG
-    key from intranet or a mirror use ``lxc_centos_epel_gpg_key`` for gpg key
-    location.
+    ``lxc_centos_epel_mirror`` for the repo URL and if you need to get the GPG key
+    from intranet or a mirror use ``lxc_centos_epel_key`` for gpg key location.

tasks/lxc_install_yum.yml

@@ -36,7 +36,7 @@
 
 - name: Install EPEL gpg keys
   rpm_key:
-    key: "{{ lxc_centos_epel_gpg_key | default ('http://download.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-7') }}"
+    key: "{{ lxc_centos_epel_key }}"
     state: present
   register: _add_yum_keys
   until: _add_yum_keys is success
@@ -46,7 +46,7 @@
 - name: Install the EPEL repository
   yum_repository:
     name: epel-lxc_hosts
-    baseurl: "{{ (lxc_centos_epel_mirror | default ('http://download.fedoraproject.org/pub/epel')) ~ '/' ~ ansible_distribution_major_version ~ '/' ~ ansible_architecture }}"
+    baseurl: "{{ lxc_centos_epel_mirror ~ '/' ~ ansible_distribution_major_version ~ '/' ~ ansible_architecture }}"
     description: 'Extra Packages for Enterprise Linux 7 - $basearch'
     gpgcheck: yes
     enabled: yes