xtrabackup formula

Change-Id: I7733a4cf20dc67c4dc609683abf08c0fbf7520ae
diff --git a/jenkins/client/job/debian/packages/salt.yml b/jenkins/client/job/debian/packages/salt.yml
index ecd7432..0eec086 100644
--- a/jenkins/client/job/debian/packages/salt.yml
+++ b/jenkins/client/job/debian/packages/salt.yml
@@ -189,6 +189,8 @@
               dist: trusty
             - name: varnish
               dist: trusty
+            - name: xtrabackup
+              dist: trusty
             - name: zookeeper
               dist: trusty
             - name: aodh
@@ -375,6 +377,8 @@
               dist: xenial
             - name: varnish
               dist: xenial
+            - name: xtrabackup
+              dist: xenial
             - name: zookeeper
               dist: xenial
           template: