Updated ansible config to increase ControlPersist (fix timeouts on long running…

Updated ansible config to increase ControlPersist (fix timeouts on long running tasks for remote hosts)

playbooks/continuous_delivery/ansible.cfg

@@ -8,4 +8,9 @@ jinja2_extensions=jinja2.ext.do
 host_key_checking=False
 roles_path=../../../ansible-roles/roles:../../../ansible-private/roles:../../../ansible-roles/
 library=../library/
+
+# ControlPersist keeps the socket ssh creates open to the target. Increasing this timeout decreases
+# some of the ssh overhead with all the ssh connections ansible makes by allowing it to just reuse the
+# socket for each ssh session. This should improve performance since we are now running ansible remotely.
+ssh_args = -o ControlMaster=auto -o ControlPersist=30m -o StrictHostKeyChecking=no
 ansible_managed=This file is created and updated by ansible, edit at your peril