Add docs and defaults for multi-master setup

Additionally, add the lb group to contain lb nodes to the
static inventory template. Include the lb group into the
OSEv3 group, in order to apply the cluster group vars to it.

Signed-off-by: Bogdan Dobrelya <bdobreli@redhat.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/roles/static_inventory/templates/inventory.j2 b/roles/static_inventory/templates/inventory.j2
index 24dc9d4a8..987c98ec6 100644
--- a/roles/static_inventory/templates/inventory.j2
+++ b/roles/static_inventory/templates/inventory.j2
@@ -39,6 +39,7 @@ dns
 [OSEv3:children]
 nodes
 etcd
+lb
 
 # Set variables common for all OSEv3 hosts
 #[OSEv3:vars]
@@ -68,6 +69,9 @@ nodes.{{ stack_name }}
 [dns:children]
 dns.{{ stack_name }}
 
+[lb:children]
+lb.{{ stack_name }}
+
 # Empty placeholders for all groups of the cluster nodes
 [masters.{{ stack_name }}]
 [etcd.{{ stack_name }}]
@@ -75,6 +79,7 @@ dns.{{ stack_name }}
 [nodes.{{ stack_name }}]
 [app.{{ stack_name }}]
 [dns.{{ stack_name }}]
+[lb.{{ stack_name }}]
 
 # BEGIN Autogenerated groups
 {% for group in groups %}