osbs: OSBS does not use the cdn to pull images

Signed-off-by: Clement Verna <cverna@tutanota.com>

roles/httpd/reverseproxy/templates/reversepassproxy.registry-generic.conf

@@ -9,6 +9,7 @@ RewriteCond %{HTTP:VIA} !cdn77
 RewriteCond %{HTTP:VIA} !cloudfront
 RewriteCond %{SERVER_NAME} !^registry-no-cdn\.fedoraproject.org$
 RewriteCond %{REQUEST_METHOD} !^(PATCH|POST|PUT|DELETE|HEAD)$
+RewriteCond %{REMOTE_HOST} ^osbs-*$
 RewriteRule ^/v2/(.*)/blobs/([a-zA-Z0-9:]*) https://cdn.registry.fedoraproject.org/v2/$1/blobs/$2 [R]
 {% endif %}