Merge pull request #385 from dhjensen/jenkingsfix

Fix pip install for jenkins

Author: geerlingguy

jenkins/provision.yml

@@ -9,6 +9,10 @@
     jenkins_plugins:
       - ansicolor
 
+  pre_tasks:
+    - name: Update apt cache if needed.
+      apt: update_cache=yes cache_valid_time=3600
+
   roles:
     - geerlingguy.firewall
     - geerlingguy.pip