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, 6 insertions, 0 deletions

diff --git a/roles/openshift_master_certificates/vars/main.yml b/roles/openshift_master_certificates/vars/main.yml
new file mode 100644
index 000000000..6e577b13b
--- /dev/null
+++ b/roles/openshift_master_certificates/vars/main.yml
@@ -0,0 +1,6 @@
+---
+openshift_generated_configs_dir: /etc/openshift/generated-configs
+openshift_master_config_dir: /etc/openshift/master
+openshift_master_ca_cert: "{{ openshift_master_config_dir }}/ca.crt"
+openshift_master_ca_key: "{{ openshift_master_config_dir }}/ca.key"
+openshift_master_ca_serial: "{{ openshift_master_config_dir }}/ca.serial.txt"