Description of problem: Components of OpenShift that are deployed to enhance the infrastructure of the platform should ship with Liveliness and Readiness probes by default.
The PR to re-enable readiness in master but it needs to be backported to 3.6 since we committed to that change once we resolved the discovery issue (https://trello.com/c/IxWno3R8): https://github.com/openshift/origin-aggregated-logging/pull/609
@jeff, this was backported in August and merged to 3.6 together with merge to master. I added a label 'backports/complete' if we look at it in future. https://github.com/openshift/origin-aggregated-logging/pull/612 https://github.com/openshift/openshift-ansible/pull/5239
The Readiness probes have been add to elasticsearch:v3.6.173.0.117.