Enable unbuffered output for ansible

This will allow ansible to output to the console log in realtime.

Closes-Bug: #1569769

Change-Id: If4e4ccd9911d9fa9031eed8419bb5a1367c99e49
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

tools/setup_gate.sh

@@ -3,6 +3,9 @@
 set -o xtrace
 set -o errexit
 
+# Enable unbuffered output for Ansible in Jenkins.
+export PYTHONUNBUFFERED=1
+
 # Just for mandre :)
 if [[ ! -f /etc/sudoers.d/jenkins ]]; then
     echo "jenkins ALL=(:docker) NOPASSWD: ALL" | sudo tee /etc/sudoers.d/jenkins