How to customise liveness probe settings for etcd in OCP 3.11.x

Issue

• There is a requirement to customize an etcd liveness probe parameter - 'timeoutSeconds' , in OCP 3.11

NOTE:

• Any changes made to the /etc/origin/node/pods/etcd.yaml file, will NOT survive an OpenShift Container Platform Upgrade.
• It is also worth noting that it is not possible to configure the 'timeoutSeconds' parameter or indeed the 'initialDelaySeconds' in the /etc/etcd/etcd.conf file, as this file is renamed during the upgrade process.
• If wanting to ensure that parameter customization is retained post-upgrade, you will need to make the necessary customization changes to the /usr/share/ansible/openshift-ansible/roles/etcd/files/etcd.yaml' file after updating the 'openshift-ansible-roles' RPM , and prior to running the update.