diff --git a/ansible/roles/yum/defaults/main.yml b/ansible/roles/yum/defaults/main.yml
index 6594cab68..e9e4c8611 100644
--- a/ansible/roles/yum/defaults/main.yml
+++ b/ansible/roles/yum/defaults/main.yml
@@ -1,6 +1,12 @@
 ---
 
-use_local_mirror: false
-centos_mirror_host: 'mirror.centos.org'
-epel_mirror_host: 'download.fedoraproject.org'
-epel_mirror_directory: 'pub/epel'
+# Whether or not to use a local Yum mirror.
+yum_use_local_mirror: false
+# Mirror FQDN for Yum repos.
+yum_centos_mirror_host: 'mirror.centos.org'
+# Mirror directory for Yum CentOS repos.
+yum_centos_mirror_directory: 'centos'
+# Mirror FQDN for Yum EPEL repos.
+yum_epel_mirror_host: 'download.fedoraproject.org'
+# Mirror directory for Yum EPEL repos.
+yum_epel_mirror_directory: 'pub/epel'
diff --git a/ansible/roles/yum/templates/CentOS-Base.repo.j2 b/ansible/roles/yum/templates/CentOS-Base.repo.j2
index 2c00ceada..361e19ff0 100644
--- a/ansible/roles/yum/templates/CentOS-Base.repo.j2
+++ b/ansible/roles/yum/templates/CentOS-Base.repo.j2
@@ -13,7 +13,7 @@
 [base]
 name=CentOS-$releasever - Base
 #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os&infra=$infra
-baseurl=http://{{ centos_mirror_host }}/centos/$releasever/os/$basearch/
+baseurl=http://{{ yum_centos_mirror_host }}/{{ yum_centos_mirror_directory }}/$releasever/os/$basearch/
 gpgcheck=1
 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
 
@@ -21,7 +21,7 @@ gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
 [updates]
 name=CentOS-$releasever - Updates
 #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates&infra=$infra
-baseurl=http://{{ centos_mirror_host }}/centos/$releasever/updates/$basearch/
+baseurl=http://{{ yum_centos_mirror_host }}/{{ yum_centos_mirror_directory }}/$releasever/updates/$basearch/
 gpgcheck=1
 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
 
@@ -29,7 +29,7 @@ gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
 [extras]
 name=CentOS-$releasever - Extras
 #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras&infra=$infra
-baseurl=http://{{ centos_mirror_host }}/centos/$releasever/extras/$basearch/
+baseurl=http://{{ yum_centos_mirror_host }}/{{ yum_centos_mirror_directory }}/$releasever/extras/$basearch/
 gpgcheck=1
 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
 
@@ -37,7 +37,7 @@ gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
 [centosplus]
 name=CentOS-$releasever - Plus
 #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus&infra=$infra
-baseurl=http://{{ centos_mirror_host }}/centos/$releasever/centosplus/$basearch/
+baseurl=http://{{ yum_centos_mirror_host }}/{{ yum_centos_mirror_directory }}/$releasever/centosplus/$basearch/
 gpgcheck=1
 enabled=0
 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
diff --git a/ansible/roles/yum/templates/epel.repo.j2 b/ansible/roles/yum/templates/epel.repo.j2
index 7cbe42f2c..0dbf48aaf 100644
--- a/ansible/roles/yum/templates/epel.repo.j2
+++ b/ansible/roles/yum/templates/epel.repo.j2
@@ -1,6 +1,6 @@
 [epel]
 name=Extra Packages for Enterprise Linux 7 - $basearch
-baseurl=http://{{ epel_mirror_host }}/{{ epel_mirror_directory }}/7/$basearch
+baseurl=http://{{ yum_epel_mirror_host }}/{{ yum_epel_mirror_directory }}/7/$basearch
 #mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-7&arch=$basearch
 failovermethod=priority
 enabled=1
@@ -9,7 +9,7 @@ gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7
 
 [epel-debuginfo]
 name=Extra Packages for Enterprise Linux 7 - $basearch - Debug
-baseurl=http://{{ epel_mirror_host }}/{{ epel_mirror_directory }}/7/$basearch/debug
+baseurl=http://{{ yum_epel_mirror_host }}/{{ yum_epel_mirror_directory }}/7/$basearch/debug
 #mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-debug-7&arch=$basearch
 failovermethod=priority
 enabled=0
@@ -18,7 +18,7 @@ gpgcheck=1
 
 [epel-source]
 name=Extra Packages for Enterprise Linux 7 - $basearch - Source
-baseurl=http://{{ epel_mirror_host }}/{{ epel_mirror_directory }}/7/SRPMS
+baseurl=http://{{ yum_epel_mirror_host }}/{{ yum_epel_mirror_directory }}/7/SRPMS
 #mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-source-7&arch=$basearch
 failovermethod=priority
 enabled=0