test ssh the stage

.gitlab-ci.yml

@@ -36,6 +36,7 @@ deploy to stage:
   before_script:
   # install ssh-agent 
   - 'which ssh-agent || ( apt-get update -y && apt-get install openssh-client -y )'
+  - 'which rsync || ( apt-get update -y && apt-get install rsync -y )'
   # run ssh-agent
   - eval $(ssh-agent -s)
   # add ssh key stored in SSH_PRIVATE_KEY variable to the agent store