Playbook updates for clustered etcd

- Add support to bin/cluster for specifying etcd hosts
  - defaults to 0, if no etcd hosts are selected, then configures embedded
    etcd
- Updates for the byo inventory file for etcd and master as node by default
- Consolidation of cluster logic more centrally into common playbook
- Added etcd config support to playbooks
- Restructured byo playbooks to leverage the common openshift-cluster playbook
- Added support to common master playbook to generate and apply external etcd
  client certs from the etcd ca
- start of refactor for better handling of master certs in a multi-master
  environment.
  - added the openshift_master_ca and openshift_master_certificates roles to
    manage master certs instead of generating them in the openshift_master
    role
- added etcd host groups to the cluster update playbooks
- aded better handling of host groups when they are either not present or are
  empty.
- Update AWS readme

1 files changed, 3 insertions, 1 deletions

diff --git a/playbooks/gce/openshift-cluster/update.yml b/playbooks/gce/openshift-cluster/update.yml
index 9ebf39a13..8096aa654 100644
--- a/playbooks/gce/openshift-cluster/update.yml
+++ b/playbooks/gce/openshift-cluster/update.yml
@@ -11,7 +11,9 @@
       groups: oo_hosts_to_update
       ansible_ssh_user: "{{ deployment_vars[deployment_type].ssh_user | default(ansible_ssh_user, true) }}"
       ansible_sudo: "{{ deployment_vars[deployment_type].sudo }}"
-    with_items: groups["tag_env-host-type-{{ cluster_id }}-openshift-master"] | union(groups["tag_env-host-type-{{ cluster_id }}-openshift-node"]) | default([])
+    with_items: (groups["tag_env-host-type-{{ cluster_id }}-openshift-master"] | default([]))
+                | union(groups["tag_env-host-type-{{ cluster_id }}-openshift-node"] | default([]))
+                | union(groups["tag_env-host-type-{{ cluster_id }}-openshift-etcd"] | default([]))
 
 - include: ../../common/openshift-cluster/update_repos_and_packages.yml