Merged client playbook and server playbook

roles/server_native-journalctl-health-check/files/journalctl-health-check.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+echo "Checking journalctl for error messages..."
+journalctl_errors="$(journalctl --since '1 day ago' --no-pager | grep -i 'error')"
+if [ ! -z "$journalctl_errors" ]
+then 
+   echo "Some errors where found: $journalctl_errors"
+   exit 1
+fi
+echo "All docker containers are healthy."
+exit 0