OpenShift Bot c5f4a60fdd Merge pull request #4234 from vshn/feature/oreg_url_masternode		%!s(int64=7) %!d(string=hai) anos
..
adhoc	fcef48b82d Uninstall: restart docker when container-engine restart hasn't changed.	%!s(int64=8) %!d(string=hai) anos
aws	5ab7826e43 Fix cluster creation with `bin/cluster` when there’s no glusterfs node	%!s(int64=8) %!d(string=hai) anos
byo	1d5d13308b health checks: configure failure output in playbooks	%!s(int64=7) %!d(string=hai) anos
common	c5f4a60fdd Merge pull request #4234 from vshn/feature/oreg_url_masternode	%!s(int64=7) %!d(string=hai) anos
gce	5ab7826e43 Fix cluster creation with `bin/cluster` when there’s no glusterfs node	%!s(int64=8) %!d(string=hai) anos
libvirt	717c36fde2 Don't double quote when conditions	%!s(int64=8) %!d(string=hai) anos
openstack	5ab7826e43 Fix cluster creation with `bin/cluster` when there’s no glusterfs node	%!s(int64=8) %!d(string=hai) anos
README.md	a0732616fc Document playbook directories	%!s(int64=8) %!d(string=hai) anos
certificate_expiry	a1228a7c4a health check playbooks: relocate and expand	%!s(int64=7) %!d(string=hai) anos

openshift-ansible playbooks

In summary:

byo (Bring Your Own hosts) has the most actively maintained playbooks for installing, upgrading and performing others tasks on OpenShift clusters.
common has a set of playbooks that are included by playbooks in byo and others.

And:

adhoc is a generic home for playbooks and tasks that are community supported and not officially maintained.
aws, gce, libvirt and openstack are related to the bin/cluster tool and its usage is deprecated.

Refer to the README.md file in each playbook directory for more information about them.