Vendor the external cookbooks

Knife-Zero doesn't include Berkshelf support, so vendoring everything in
the repo is convenient again

cookbooks/yum-epel/attributes/epel.rb

@@ -0,0 +1,28 @@
+default['yum']['epel']['repositoryid'] = 'epel'
+default['yum']['epel']['description'] = "Extra Packages for #{node['platform_version'].to_i} - $basearch"
+default['yum']['epel']['gpgcheck'] = true
+case node['kernel']['machine']
+when 'armv7l', 'armv7hl'
+  default['yum']['epel']['baseurl'] = 'https://armv7.dev.centos.org/repodir/epel-pass-1/'
+  default['yum']['epel']['gpgcheck'] = false
+when 's390x'
+  default['yum']['epel']['baseurl'] = 'https://kojipkgs.fedoraproject.org/rhel/rc/7/Server/s390x/os/'
+  default['yum']['epel']['gpgkey'] = 'https://kojipkgs.fedoraproject.org/rhel/rc/7/Server/s390x/os/RPM-GPG-KEY-redhat-release'
+else
+  if platform?('amazon')
+    if node['platform_version'].to_i > 2010
+      default['yum']['epel']['mirrorlist'] = 'http://mirrors.fedoraproject.org/mirrorlist?repo=epel-6&arch=$basearch'
+      default['yum']['epel']['gpgkey'] = 'http://download.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-6'
+    else
+      default['yum']['epel']['mirrorlist'] = 'http://mirrors.fedoraproject.org/mirrorlist?repo=epel-7&arch=$basearch'
+      default['yum']['epel']['gpgkey'] = 'http://download.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-7'
+    end
+  else
+    default['yum']['epel']['mirrorlist'] = "http://mirrors.fedoraproject.org/mirrorlist?repo=epel-#{node['platform_version'].to_i}&arch=$basearch"
+    default['yum']['epel']['gpgkey'] = "https://download.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-#{node['platform_version'].to_i}"
+  end
+end
+default['yum']['epel']['failovermethod'] = 'priority'
+default['yum']['epel']['enabled'] = true
+default['yum']['epel']['managed'] = true
+default['yum']['epel']['make_cache'] = true