make var for the script to make it less horrible to specify

fix path

playbooks/hosts/jenkins.cloud.fedoraproject.org.yml

@@ -23,7 +23,7 @@
   tasks:
   - include: $tasks/cloud_setup_basic.yml
   - name: add root keys for other allowed users
-    action: authorized_key user=root key=$PIPE(/srv/web/ansible/scripts/auth-keys-from-fas ${root_auth_users})
+    action: authorized_key user=root key=$PIPE(${auth-keys-from-fas} ${root_auth_users})
   
   handlers:
   - include: $handlers/restart_services.yml

vars/global.yml

@@ -7,3 +7,4 @@ vars:  /srv/web/infra/ansible/vars
 is_fedora: "'$ansible_distribution' == 'Fedora'"                      
 is_rhel:   "'$ansible_distribution' == 'RedHat'"
 dist_tag: unknown
+auth-keys-from-fas: /srv/web/infra/ansible/scripts/auth-keys-from-fas