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-rw-r--r--playbooks/provisioning/openstack/README.md13
-rw-r--r--playbooks/provisioning/openstack/sample-inventory/group_vars/OSEv3.yml4
2 files changed, 17 insertions, 0 deletions
diff --git a/playbooks/provisioning/openstack/README.md b/playbooks/provisioning/openstack/README.md
index 099b017bb..358ed182b 100644
--- a/playbooks/provisioning/openstack/README.md
+++ b/playbooks/provisioning/openstack/README.md
@@ -162,6 +162,19 @@ The `openstack_inventory_path` points the directory to host the generated static
It should point to the copied example inventory directory, otherwise ti creates
a new one for you.
+#### Multi-master configuration
+
+Please refer to the official documentation for the
+[multi-master setup](https://docs.openshift.com/container-platform/3.6/install_config/install/advanced_install.html#multiple-masters)
+and define the corresponding [inventory
+variables](https://docs.openshift.com/container-platform/3.6/install_config/install/advanced_install.html#configuring-cluster-variables)
+in `inventory/group_vars/OSEv3.yml`. For example, given a load balancer node
+under the ansible group named `ext_lb`:
+
+ openshift_master_cluster_method: native
+ openshift_master_cluster_hostname: "{{ groups.ext_lb.0 }}"
+ openshift_master_cluster_public_hostname: "{{ groups.ext_lb.0 }}"
+
#### Security notes
Configure required `*_ingress_cidr` variables to restrict public access
diff --git a/playbooks/provisioning/openstack/sample-inventory/group_vars/OSEv3.yml b/playbooks/provisioning/openstack/sample-inventory/group_vars/OSEv3.yml
index 6ceeff827..9d47815ec 100644
--- a/playbooks/provisioning/openstack/sample-inventory/group_vars/OSEv3.yml
+++ b/playbooks/provisioning/openstack/sample-inventory/group_vars/OSEv3.yml
@@ -4,6 +4,10 @@ openshift_deployment_type: origin
#openshift_release: v3.5
openshift_master_default_subdomain: "apps.{{ env_id }}.{{ public_dns_domain }}"
+openshift_master_cluster_method: native
+openshift_master_cluster_hostname: "{{ groups.lb.0|default(groups.masters.0) }}"
+openshift_master_cluster_public_hostname: "{{ groups.lb.0|default(groups.masters.0) }}"
+
#openshift_cluster_node_labels:
# app:
# region: primary