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OpenShift masters

The OpenShift master node backup procedure can be performed on all master nodes, and consists of the following steps:

1. Back up master certs and keys: cd /etc/origin/master; tar cf /tmp/certs-and-keys-$(hostname).tar *.key *.crt
2. Back up registry certificates: cd /etc/docker/certs.d/; tar cf /tmp/docker-registry-certs-$(hostname).tar *

The master node recovery procedure can be performed on all master nodes and consists of the following step:

1. Restore the previously saved data on every master node to /etc/sysconfig/ , /etc/origin/, and /etc/docker/ directories.
2. Restart OpenShift all services